I Genetically Engineered *MYSELF* to Fix Lactose Intolerance

The Thought Emporium
12 Feb 201818:33

Summary

TLDRThis video documents a personal journey to combat lactose intolerance through DIY gene therapy. The creator, once severely affected by lactose, explains the science behind lactose digestion and the enzyme lactase. They detail the process of using an adeno-associated virus (AAV) to deliver a lactase gene to the intestinal tract, successfully restoring their lactose tolerance. The video provides a transparent look into the lab work, the challenges faced, and the successful consumption of dairy products post-treatment, promising a future of enjoying pizza without fear.

Takeaways

  • 😷 The speaker became lactose intolerant at 15, leading to severe illness from consuming lactose.
  • 🌐 Up to 65% of the world's population may lose the ability to digest lactose, causing various symptoms.
  • 🍽️ Lactose is prevalent in many foods, often as a filler or sweetener, due to the dairy industry's by-products.
  • 🔬 The speaker's personal struggle with lactose intolerance inspired a career in biology, aiming to restore their own lactose tolerance.
  • 🧬 Lactose intolerance occurs when the body stops producing lactase, the enzyme that breaks down lactose into glucose and galactose.
  • 🐁 A study mentioned used a virus to deliver a working copy of the lactase gene to lactose-intolerant rats, successfully restoring their lactose digestion.
  • 🌟 Adeno-associated viruses (AAVs) are preferred for gene therapy due to their safety and reliability.
  • 🧪 The process of creating a virus for gene therapy involves using plasmids and cells in a lab, with careful handling to ensure sterility.
  • 💊 The speaker's DIY gene therapy project aimed to create a treatment in pill form to restore lactose tolerance.
  • 🍕 After testing the treatment, the speaker was able to consume dairy products without symptoms, marking a successful initial result.

Q & A

  • What is the main issue the speaker discusses in the script?

    -The speaker discusses their personal struggle with lactose intolerance and their journey to develop a DIY gene therapy to restore their lactose tolerance.

  • What is the percentage of the human population that may become lactose intolerant at some point?

    -Up to 65% of the human population may become lactose intolerant at some point.

  • What is lactose and why is it problematic for lactose intolerant individuals?

    -Lactose is a disaccharide composed of glucose and galactose subunits. It is problematic for lactose intolerant individuals because they lack the lactase enzyme to break it down, leading to gastrointestinal issues when consuming lactose-containing foods.

  • What is the role of the lactase enzyme in digestion?

    -The lactase enzyme, also known as beta-galactosidase, breaks down lactose into its subunits, glucose and galactose, which can then be absorbed by the body for energy.

  • Why is the adeno-associated virus (AAV) considered the gold standard for gene therapy?

    -The AAV is considered the gold standard for gene therapy due to its reliability, long history of safety, and its ability to merge with human DNA in very safe and well-known locations.

  • What is the purpose of the ITRs in the context of the virus production?

    -ITRs, or inverted terminal repeats, are DNA sequences that signal the virus to package the DNA sequence between them into its shell during virus particle formation.

  • What are plasmids and how are they used in this project?

    -Plasmids are small circles of DNA engineered by biologists to contain useful features. In this project, they are used to hold the DNA sequences for the virus shell proteins and the Lac Z gene, which is the target gene for restoring lactose tolerance.

  • How does the speaker plan to test the effectiveness of the gene therapy?

    -The speaker plans to test the effectiveness of the gene therapy by using a color-changing dye called X-Gal, which turns blue in the presence of the lactase enzyme, indicating that the cells are producing the enzyme.

  • What is the significance of the speaker's successful consumption of pizza after the treatment?

    -The successful consumption of pizza, which is high in lactose, without experiencing symptoms of lactose intolerance, signifies that the DIY gene therapy may have successfully restored the speaker's lactose tolerance.

  • What is the next step for the speaker in terms of this project?

    -The next step for the speaker is to continue testing and refining the treatment, monitoring its long-term effects, and potentially sharing updates on the project's progress.

Outlines

00:00

🥶 Lactose Intolerance Struggles and DIY Gene Therapy

The speaker shares their personal journey with lactose intolerance, which began at the age of 15, causing frequent illness. They explain how lactose, a sugar found in milk products, affects those who cannot produce lactase, the enzyme required to break it down. The lack of lactase results in symptoms like bloating and diarrhea when consuming dairy products. The speaker discusses the prevalence of lactose in various food items due to its use as a filler and sweetener. They also delve into their motivation to study biology to find a solution to their lactose intolerance, aiming to restore their ability to consume dairy without repercussions. The narrative culminates in their pursuit of DIY gene therapy as a means to treat their condition, with a focus on transparency and education about the process.

05:01

🧬 Understanding Lactose and Gene Therapy

This section delves into the science behind lactose intolerance and the proposed gene therapy treatment. Lactose is described as a disaccharide composed of glucose and galactose, which is broken down by the lactase enzyme. When lactase is absent, lactose reaches the colon, causing gastrointestinal issues. The speaker outlines a method using a virus to deliver a functional lactase gene to the intestinal tract, as demonstrated in a study on rats. The video aims to demystify DIY gene therapy, emphasizing safety and clarity in the process. It also introduces adeno-associated virus (AAV) as a preferred vector for gene therapy due to its safety and efficiency. The process of creating the virus involves using specific DNA sequences and cellular machinery to package the therapeutic gene into the viral shell.

10:02

🔬 Lab Work: Cultivating Cells and Preparing for Gene Therapy

The speaker describes the laboratory procedures involved in preparing for gene therapy. This includes the cultivation of human embryonic kidney (HEK) and Chinese hamster ovary (CHO) cells, which are used for producing viral particles. The cells are grown in a sterile environment using specialized media and equipment. The process involves the use of lip effect amine to facilitate the transfer of DNA into the cells, which is a critical step in the production of the viral vector. The speaker also details the steps for transducing the cells with the viral particles carrying the lactase gene, including the use of a color-changing dye (X-gal) to confirm successful gene expression. The video provides a behind-the-scenes look at the lab work and the challenges faced during the experiment.

15:04

🍕 Testing the DIY Gene Therapy: A Personal Trial

In the final paragraph, the speaker recounts their personal experience testing the DIY gene therapy. After a period of allowing the virus to deliver the lactase gene, the speaker consumes dairy products to test the effectiveness of the treatment. They report a successful outcome, with no adverse reactions to lactose after taking the gene therapy. The speaker expresses their excitement and relief at being able to enjoy dairy products without the previous symptoms of intolerance. They acknowledge that the project is ongoing and that further testing and refinement are necessary. The video concludes with a call to action for viewers to support future videos and a note of gratitude to patrons who have contributed to the project.

Mindmap

Keywords

💡Lactose intolerance

Lactose intolerance is a condition where an individual's body lacks the enzyme lactase, which is necessary for breaking down lactose, a sugar found in milk and dairy products. This leads to gastrointestinal symptoms like bloating, gas, and diarrhea after consuming lactose-containing foods. In the video, the creator discusses their personal experience with lactose intolerance, which has significantly impacted their diet and led to their interest in biology and gene therapy.

💡Lactase

Lactase, also known as beta-galactosidase, is the enzyme responsible for breaking down lactose into glucose and galactose, which can then be absorbed by the body. The video script describes how a lack of lactase production in the small intestine leads to lactose intolerance. The creator's project aims to induce lactase production in the body to treat lactose intolerance.

💡Adenoviral-associated virus (AAV)

Adenoviral-associated virus (AAV) is a type of virus used in gene therapy due to its safety and reliability. It is often used as a vector to deliver functional copies of genes into target cells. In the script, the creator mentions using an AAV to deliver a working copy of the lactase gene to the intestinal tract, which is a key part of their DIY gene therapy project.

💡Gene therapy

Gene therapy involves introducing, altering, or manipulating genes to treat or prevent disease. The video's central theme revolves around DIY gene therapy, where the creator attempts to develop a treatment for lactose intolerance by introducing the lactase gene into their body to restore their ability to digest lactose.

💡Lactose

Lactose is a disaccharide sugar found in milk and dairy products, composed of glucose and galactose subunits. The video explains that lactose intolerance occurs when the body cannot break down lactose due to a lack of lactase enzyme, leading to symptoms when lactose reaches the colon and is fermented by bacteria.

💡Lac Z gene

The Lac Z gene, derived from E. coli, encodes the lactase enzyme. In the video, the creator uses this gene in their gene therapy project to enable the production of lactase in the body. The script describes how this gene is packaged into a virus for delivery into cells.

💡X-Gal

X-Gal, or 5-bromo-4-chloro-3-indolyl beta-D-galactopyranoside, is a color-changing dye used to detect the presence of beta-galactosidase (lactase) activity. In the script, the creator uses X-Gal to test whether the Lac Z gene has been successfully expressed in cells, as the presence of lactase will cause the dye to turn blue.

💡Lipid-mediated transfection

Lipid-mediated transfection is a technique used to introduce DNA into cells using lipids, which form a protective bubble around the DNA, allowing it to cross the cell membrane. In the video, the creator uses lipofectamine, a lipid-based reagent, to facilitate the transfer of the Lac Z gene into cells to produce the virus particles.

💡Plasmids

Plasmids are circular DNA molecules used as vectors in genetic engineering to carry a DNA sequence of interest into a host cell. The video script describes how the creator uses plasmids to carry the necessary DNA sequences for the virus shell and the Lac Z gene into cells to produce the gene therapy virus.

💡Inverted terminal repeats (ITRs)

Inverted terminal repeats are specific DNA sequences found at both ends of a virus genome that play a crucial role in the replication and packaging of the viral genome. In the context of the video, ITRs are used to mark the DNA sequence that should be packaged into the virus particle, ensuring that the Lac Z gene is included in the virus for gene therapy.

💡Biosafety

Biosafety refers to the practices and measures taken to prevent harm from biological materials and processes. The video script mentions the use of a biosafety hood to maintain sterility during the process of handling cells and DNA, which is crucial to prevent contamination and ensure the safety of the gene therapy experiment.

Highlights

Individual developed lactose intolerance at 15, experiencing severe symptoms from consuming lactose.

Up to 65% of the human population may lose the ability to digest lactose, leading to various symptoms.

Lactose is a disaccharide found in many food products, including those using lactose as a filler or sweetener.

Lactase enzyme is crucial for breaking down lactose; without it, lactose intolerance symptoms occur.

Individual pursued biology to find a solution to restore lactose tolerance, aiming for personal dietary freedom.

DIY gene therapy is used to develop a treatment to restore lactose tolerance, using adeno-associated virus (AAV).

AAV is a safe and reliable vector for gene therapy, commonly found in humans without causing illness.

Plasmids are used to carry the DNA sequences for virus shell proteins and the Lac Z gene for lactase production.

Lipid-based transfection agents, like Lipofectamine, are used to deliver DNA into cells for virus production.

Two types of cells, HEK and CHO, are used for virus production, with different growth characteristics.

X-Gal assay is used to test for the presence of the Lac Z gene, indicating successful gene delivery and expression.

Virus harvesting involves pelleting cellular debris and precipitating the virus with ammonium sulfate.

Initial testing of the DIY gene therapy involved consuming lactose-rich food to test for restored tolerance.

Individual successfully consumed pizza and milk without symptoms, indicating potential success of the treatment.

The project is ongoing, with plans for further testing and refinement to ensure long-term effectiveness.

Individual encourages viewers to subscribe for updates on the project's progress and success.

Transcripts

play00:16

[Music]

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and in media and all these my stomach

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release the virus into the virus and go

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into my intestinal lining

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when I was 15 I started getting sick all

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the time at first it was pretty

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infrequent but I remember the day that

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it started I didn't know at the time

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that I'd suddenly become

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lactose-intolerant so all the food I was

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eating was hurting me

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laugh it off but in my case it wasn't

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just a bit of gas I was getting

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violently ill if I ate even a minut

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amount of lactose and symptoms would

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start in less than an hour and I'm not

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alone this happens to up to 65% of the

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human population at some point your

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ability to eat milk just vanishes and

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you start getting sick symptoms severity

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varies but the extreme cases like mine

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can really get in your way

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most people don't actually think about

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how much lactose is in the food we eat

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as a society we actually produce so much

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milk for you some cheese making that

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it's literally a waste product so all

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the components are separated out and

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used and resold for a variety of

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purposes the sugars specifically lactose

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are refined and used as filler in flavor

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in an enormous amount of products most

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pharmaceutical manufacturers uses to

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bulk up drugs used to make pills so the

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tiny amount of drug that they need to

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carry can be pressed into a

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comparatively large pill whey is used as

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a sweetener butter is in everything as

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his cheese and cream I basically had to

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build a whole skill set around making

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sure food was safe to eat Irie taught

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myself to cook and learn how to bake so

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that I didn't have to miss out on too

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much good food but all of this is also

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the reason I went into biology from the

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day I decided on the university program

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I was going to apply for I've said the

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same thing

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one day I'll fix this when I was asked

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if I was going to biology to end world

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hunger or some other grand gesture my

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response has always been now dude I just

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want to eat pizza again and not need to

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check every label on everything and I

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can happily say that that day is finally

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here after six years I finally have

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access to the tools and know-how to

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build a permanent treatment that should

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restore my lactose tolerance and fix

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this once and for all now I know the

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idea of the DIY gene therapy can seem

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intimidating or scary so let me set the

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record straight

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while some users make the application of

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DIY gene therapy looks sloppy and

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sketchy I'm hoping to change that with

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this video I'm going to be as

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transparent and make sure everything is

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as clear as possible so you know exactly

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what I'm doing how the thing works and

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why it's not scary also this project is

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still in the process of being developed

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this video is just the first

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demonstration of the process I'll be

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continuing to refine it over the next

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little while also

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is going to be a long ish video so if

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you'd like to skip to the testing and

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results go to the time you see on screen

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before we get into the lab and get

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working let's go over how this is going

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to work first we need to understand both

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lactose and the enzyme that breaks it

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down lactose is a disaccharide or simple

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sugar that has two subunits one glucose

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and one galactose subunit lactase also

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known as beta galactosidase the enzyme

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that breaks it down splits the two

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subunits apart and then the individual

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pieces can actually be absorbed by your

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body and used for energy if you don't

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produce the lactase enzyme the sugar

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will make it all the way through your

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small intestine and into your colon your

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colon is full of a lot more bacteria

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especially gas producing bacteria and so

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they feed on the influx of extra

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available food because the lactose

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wasn't broken down and absorbed also

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lactose attracts and holds on to water

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so a lot less water is absorbed in your

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colon that is supposed to be a DIN

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irritation you've got all the classic

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symptoms of lactose intolerance so what

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do we do about it

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well we need to make my small intestine

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produce the lactase enzyme again

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specifically in what's called the brush

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border the brush border is a layer of

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cells covered in tiny hairlike

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protrusions these increase the surface

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area of the small intestine

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significantly these protrusions are also

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packed full of enzymes that interact

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with the material passing through and

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helps break them down we could use the

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human gene for lactase but it's actually

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standard practice to use lactase enzyme

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from E coli called Lac z lac c is used

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all throughout biology and in

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combination with a color changing dye

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can be used as a marker to indicate if

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cells are doing what they're supposed to

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be doing when I was looking into this I

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found a paper that uses a special virus

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to deliver a working copy of lac z to

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the intestinal tract of rats a week

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after the researchers applied the virus

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they challenged two sets of rats that

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had previously been completely lactose

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intolerant with a lactose only diet the

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rats that have been given the virus

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maintained their weight and their blood

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glucose levels went up after they ate

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the lactose indicating that they had

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started to produce the lactase enzyme

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and was able to use it for calories the

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virus they used is called an AAV or

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adeno-associated virus this virus is the

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gold standard for gene therapy because

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its reliability and long history of

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safety the wild virus can be found in

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almost everyone and in most tissue

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samples that have ever been tested so

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it's extremely common but it doesn't

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cause any sort of illness it just kind

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of hangs out it can't even replicate on

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its own for it to spread you need to be

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infected with its second actual

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adenovirus hence why it's called an

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Deno associated virus it just sort of

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hitches a ride also it has the useful

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property that the DNA that gets packaged

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inside of it often merges with your DNA

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but it does so only in a couple of very

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well-known locations that have been

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shown to be very very safe so how do you

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make the virus and how do you choose

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what DNA ends up on the inside well it

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all works on a very clever system to

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make a virus particle you need all of

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the sequences of DNA that code for all

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the proteins that make the shell of the

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virus to be transcribed in the same cell

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the various pieces will float around

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until they bump into the rest of the

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pieces and then they sort of snap

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together to form the virus particle in

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order for the virus to know which DNA is

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owned and what to package into the shell

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it uses two DNA sequences called ITRs or

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inverted terminal repeats if you put

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these on either side of some other DNA

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sequence everything between the ITRs get

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packaged normally this would be in the

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virus packages DNA that contains all of

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the information to make all of its own

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pieces but what biologists did is break

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their DNA into three separate pieces the

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first to contain all of the sequences to

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make all of the proteins but lack the

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ITR sequences the last contains the ITRs

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and whatever DNA we want a package by

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the way these three pieces of DNA are

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just called plasmids they're basically

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just small circles of DNA that

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biologists have engineered to have some

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useful features I like to think of them

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like CDs for a computer they hold a bit

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of code that contain the instructions

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for a piece of software when you run it

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the program executes and something

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happens in this case when the plasmid

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makes it to the nucleus of a cell it

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starts being translated into RNA and

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then that gets translated into protein

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let's take a closer look at the plasmids

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to see what's actually going on on the

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first two plasmids you can see that

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proteins that make up the shell of the

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virus and the rest of the proteins that

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help it move and copy its DNA and

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package everything you'll notice that

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both have something called an Ori and a

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gene that codes for ampicillin

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resistance that's how you can put this

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DNA into bacteria and use them as tiny

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copying machines to make a literal

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bucket worth of DNA to be used in future

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experiments we'll be exploring that

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process in a future video

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the last plasmid is where all of the

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important parts are here you can see the

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ITR as I mentioned before this part is

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called a promoter

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it's a sequence that encourages certain

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proteins to bind to that spot and start

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transcribing the DNA

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to RNA to get the process started then

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right after it we have the Lac Z gene

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that we want and finally something

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called a poly a signal this is just a

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part that's necessary for when the

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protein is actually being made for both

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the promoter and poly a signal there are

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a ton of options to choose from but this

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particular plasmid uses the CMV promoter

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and an sv40 poly a signal the CMV

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promoter is really good for when you

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want lots of protein to be produced

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wherever the DNA happens to be running

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to actually make the virus particles you

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take all three pieces of DNA and using a

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special agent to help it enter cells you

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apply it to a flask of mammalian cells

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the cells will start producing the virus

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particles and filling them with the DNA

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and then they exit the cell all we need

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to do is harvest the virus purify it

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into a safe to consume form and package

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it into a pill okay now that we know how

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this works let's get to work

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I'm here in my friend's genetics lab and

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he's letting me use his equipment and

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materials so I can do this project for

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this we'll need a few things first is

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the three pieces of DNA the two virus

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plasmids come as a kit and I bought the

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lac C plasmid separately we'll be using

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two kinds of cells HEC or human

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embryonic kidney and Cho or Chinese

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hamster ovary heck are the standard for

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making things like viruses and proteins

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but Cho are equally good

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HEC cells or at least the kind that we

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use our suspension cells and like to

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float around whereas Cho cells are

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adherent and actually stick to the

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culture flask to feed the cells and keep

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them happy we'll need special media I

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won't show you how to prepare the media

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as well save that for a future video and

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finally to get the DNA into the cells

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we'll be using a special chemical called

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lip effect amine first things first we

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need to start some cells all of our work

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will be taking place in a biosafety to

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laminar flow hood this keeps everything

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super sterile and prevents ourselves

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from getting contaminated or other

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viruses getting in also we use

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antibiotics in the media to further

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limit contamination specifically we use

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a mixture of penicillin and streptomycin

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before entering the hood to spray down

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the surface with alcohol put on gloves

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and then spray your arms up to the elbow

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with the alcohol before bringing any

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materials into the hood they must be

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sterile and the container needs to be

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sprayed with alcohol before we can use

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the media we need to warm it up to body

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temperature to keep the cells happy

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we're using a water bath for this and

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check the temperature until the media is

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at least 32 degrees

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but no warmer than 37 degrees Celsius

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when it's a temp we can dry it off

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sterilize the bottle and bring it into

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the hood to move the media around we're

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using special serological pipettes that

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have the wide opening and come pre

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sterilized and individually wrapped

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we're also using an auto pipettor that

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makes it easy to draw and release

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liquids we'll be growing ourselves in a

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special tissue culture flask that comes

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pre sterilized in this case we'll be

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using a small 25 centimeter flask that

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holds a maximum of 5 milliliters of

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liquid the first step is always to label

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your flask with the cell type the

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experiment and the date first let's look

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at what we do for the cho cells we can

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remove the lid of the flask and their

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lid of the media placing the lids

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facedown on the work surface then set up

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the auto pipette or with a fresh pipette

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and draw up four mils of media for cho

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cells that means F 12 K media

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supplemented with 10% fetal bovine serum

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pick up the flask tilt it and dispense

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the liquid it's good practice to limit

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things touching as much as physically

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possible then disposes the pipette and

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then tilt the dish back and forth until

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the media covers the bottom with the

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flask prepared we can add ourselves I'm

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using a regular P 1000 micropipette and

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I'm adding the cells that we grew and

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prepared in advance I'll show how we did

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that in a future video for the HEC cells

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we did basically the same thing but

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because their suspension cells we just

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grew them to the density we wanted in a

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larger flask and then pulled off 5

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milliliters worth of suspension and

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transfer that to a new flask to be used

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immediately the cho cells need more time

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to grow though so those get transferred

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to a co2 humidified incubator set at 37

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degrees Celsius and 5% co2 since the HEC

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cells are already ready we can go

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through the transduction procedure for

play11:34

this we'll need the lip effect amine

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which comes in two parts the media for

play11:37

the HEC cells and the three DNA

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solutions to set this up we first put

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500 microliters of HEC media into two

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sterile DNA free EPI tubes we want five

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micrograms of DNA total which works out

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to 1.6 micrograms of each type of DNA or

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6.8 microliters of each DNA solution add

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that to one of the tubes and to the same

play11:58

tube add 5 microliters of lip effect

play12:00

amine plus reagent to the other tube we

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add 5 microliters of regular lip effect

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amine give those mix then mix the DNA

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solution into the lip effect amine not

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the other

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way around allow that to incubate for

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five minutes lip effect Amin is sort of

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an oil that forms a bubble called lipids

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ohms around the DNA that allows it to

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get across the cell membrane it takes a

play12:21

few minutes for the lipids ohms to form

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hence the incubation time after the

play12:24

incubation all that we have do is add

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the solution to the flask of cells with

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that done the flask can be transferred

play12:29

to the incubator the reason we're using

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two cell types is because I actually

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tried this experiment twice the first

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time was with the HEC cells but the

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cells died because the live effect Amin

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is kind of aggressive and can damage the

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cells the second time the procedure was

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the same but i use the cho cells which

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because they're adhered to the dish have

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the added benefit that 12 hours after

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the transfection I can change the media

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to fresh lip effect amine free media

play12:51

this keeps the cells much healthier the

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cho cells work so we let them sit and

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produce as much virus as possible for

play12:57

three whole days did you have to see if

play12:59

this worked we'll be using a

play13:00

color-changing guy called ex Cal ex

play13:02

Cal's a dye molecule fused to a

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galactose molecule so that if lactase is

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present the two gets split the dye

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becomes active and turns blue and we

play13:10

know that the thing is working I made a

play13:12

solution of two milligrams of X Cal in

play13:14

five milliliters of DMSO this has the

play13:17

benefit that DMSO will carry the X gal

play13:19

into cells that we exposed to it also

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DMSO is one of the only things that can

play13:24

actually dissolve ex Cal because the cho

play13:26

cells were adhered before we do the

play13:27

tests we can collect all the media which

play13:29

is where most of the virus is going to

play13:30

be save this in a separate sterile

play13:32

Falcon tube then we can test the cells

play13:34

themselves first we need to make them

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let go of the dish so that we can take a

play13:38

sample and test them to do that we'll be

play13:40

using two milliliters of pre-made

play13:41

trypsin solution allow the trypsin to

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sit in the dish until the solution

play13:45

starts to get a bit cloudy this is

play13:47

evidence that the cells have let go and

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are floating around when this happens I

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use a pipette to collect all of the

play13:52

cells and transfer them to a falcon tube

play13:53

these then get loaded into a centrifuge

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and spun down at 5000 rpm for five

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minutes two pellet them onto the bottom

play13:59

so that we can remove the trypsin when

play14:02

that's done we need to reach sterilize

play14:03

everything and bring it back into the

play14:05

hood so that we can take our sample I

play14:06

removed the trypsin solution and

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resuspended the cells in two milliliters

play14:10

of media and then took a two hundred

play14:12

microliters sample and transferred it to

play14:13

a small tube I added an equal volume of

play14:16

x-gal and then let everything sit for a

play14:18

while to give it time for the reaction

play14:19

to occur if any lactase is present after

play14:21

the incubation I took everything to the

play14:23

micro

play14:23

scope so that we can see what actually

play14:25

happened it was really hard to capture

play14:27

with my camera but the cells were

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definitely blue and with that I knew

play14:30

that everything had worked and that we

play14:31

can finally harvest the virus for this

play14:34

very first round of testing we'll

play14:35

actually be using a really

play14:36

straightforward method to harvest our

play14:37

virus first things first the media full

play14:40

of virus were that we saved has to be

play14:41

spun down at 2,000 rpm to pellet any

play14:44

cellular debris the virus is super light

play14:47

so it'll just stay floating around

play14:48

collect the supernatant and leave any

play14:50

salts behind to get the virus out of the

play14:53

solution we can add ammonium sulfate

play14:54

solution this is what's known as salting

play14:56

out ideally you'd do this in two steps

play14:59

to first remove the residual protein and

play15:01

then pellet the virus but I'm just going

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to be doing this all in one step I'm

play15:05

adding an equal volume of 4 molar

play15:07

ammonium sulfate solution this sudden

play15:10

influx of salt makes the virus

play15:11

precipitate out so that we can actually

play15:12

collect it let that sit for an hour and

play15:15

then spin it down at 4,000 rpm to

play15:17

collect the product now I know this will

play15:19

be contaminated with other proteins but

play15:20

for this test I judged that to be an

play15:22

acceptable risk based on all of the

play15:24

possible protein contamination in the

play15:26

future this will be refined much further

play15:28

and more purification steps will be in

play15:29

place to make sure the virus is truly

play15:31

the only thing in here remove the

play15:34

supernatant and discard it then Reda's

play15:35

all've the viral pellet in 800

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microliters of sterile phosphate

play15:39

buffered saline and that's most of it

play15:41

done all that's left is to package this

play15:43

into a pill to do that and mix the

play15:45

solution with a minimal amount of micro

play15:47

crystalline cellulose and then put that

play15:49

into gel caps using this handy gel cap

play15:51

jig machine thing ideally I should have

play15:54

freeze-dried the powder before packaging

play15:56

but again for the initial test I decided

play15:57

I didn't want to wait after taking the

play16:08

pills I waited three days to give the

play16:10

virus time to deliver the DNA and give

play16:12

my cells time to start producing lactase

play16:13

and then it was time to test it we

play16:16

ordered the milk iasts cheesiest pizza

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we could

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try to be less scary here is the mind

play16:36

killer is it good can you not tell now

play17:00

I'll be honest this was maybe one of the

play17:02

most stressful moments in recent memory

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willingly eating something that would

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normally make me extremely sick scared

play17:08

the hell out of me

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but I had ate several pieces and then

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settled into a movie after an hour I

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felt fine after a whole night's sleep I

play17:16

still felt fine and after 48 hours I was

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completely fine I couldn't believe it

play17:20

but the therapy seemed to have actually

play17:22

worked in two weeks as you can see got

play17:29

more pizza I've enjoying just the most

play17:34

copious amounts of lactose filled foods

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for last two weeks it's been wonderful I

play17:39

feel better than I have in eight years

play17:56

at first when I was testing this I would

play17:59

still get a little bit of gas but that's

play18:00

completely gone away now I think it just

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took a while for more protein to be

play18:04

expressed and for my microbiome to

play18:06

readjust to the radical change in diet

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as I said this project is still in the

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development stage and more testing will

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need to be done I'll be taking notes to

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see if the effect wears off after some

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time and I'll be sure to keep you

play18:16

updated if this project interested you

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and you want to see more I'd really

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appreciate if you'd leave a rating and

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subscribe to see when I post new videos

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I post a new video every Monday so be

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sure to click the bell icon to get

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updates as always a big thank you to my

play18:28

patrons who helped make these videos

play18:29

possible that's all for now and I'll see

play18:31

you next time

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Gene TherapyLactose IntoleranceDIY ScienceBiologyHealth InnovationFood AllergiesScience ExperimentSelf-HealingMolecular BiologyLactase Enzyme
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