Which gene editing approach seems more promising?
Chapter 1

The biology of a shape-shifting virus

Chapter 2

The genetic shield of natural resistance

Chapter 3

Molecular scissors and cellular factories

Chapter 4

The hiding spots and the latent reservoir

Ch 3 · Molecular scissors and cellular factories
007skaty

007skaty Scientists prevent accidental DNA damage during CRISPR gene editing

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007skaty Gene Editing Off-Target Safety

We target only viral DNA, yeah! (Zero human cuts, oh-oh!)

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007skaty

007skaty Cutting the HIV genome out of infected human cells

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Programming molecular scissors to find DNA

007skaty CRISPR-Cas9 uses guide RNA to find viral code and a Cas9 enzyme to snip it, letting cells repair themselves.

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Cutting the viral code out of cells

007skaty Investigational EBT-101 therapy uses harmless AAV9 viruses to deliver CRISPR tools into cells.

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Cell Block Buddy
BETA

007skaty Block HIV from invading healthy cells to discover how scientists reverse engineer a cure.

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Fun Fact

Bacterial origin: Bacteria have been using the CRISPR system to remember and cut up viral invaders for millions of years before humans discovered it.

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Glossary
crispr (noun)
A genetic engineering tool that allows researchers to make precise, targeted changes to a genome. In 2024, Amsterdam scientists successfully used this tool to eliminate the virus from infected human cells.

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Gossip

Which gene editing approach seems more promising?

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Quiz

From which type of organism did scientists originally adapt the CRISPR-Cas9 gene-editing technology?

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007skaty

007skaty Scientists rebuild the human immune system to block HIV entry.

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Quiz

What component of the CRISPR-Cas9 system acts like a GPS to guide the molecular scissors to the correct DNA sequence?

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Quiz

Why does the EBT-101 therapy target multiple sites on the HIV genome instead of just one?

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Quiz

What is the name of the CRISPR-based investigational therapy that entered human clinical trials to excise HIV DNA?

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Quiz

Which alternative gene-editing tool, popular before CRISPR, was first used to edit the CCR5 gene in clinical trials?

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Quiz

What is the primary benefit of editing a patient's own stem cells to disable CCR5, rather than using a donor?

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Quiz

How do researchers ensure that CRISPR therapies do not accidentally cut essential human genes?

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Quiz

What is the term for unintended genetic edits made by CRISPR at sites other than the programmed target?

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