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Researchers engineer in vivo delivery system for prime editing, partially restoring vision in mice

Broad Institute

A team of researchers at the Broad Institute of MIT and Harvard has engineered virus-like particles to deliver prime editors to cells in mice at a high enough efficiency to rescue a genetic disorder. Prime editing, described in 2019 by Liu’s group, can make longer and more diverse types of DNA changes than other types of editing.

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The role of CRISPR in microbiome engineering breakthroughs

Drug Target Review

When faced with a viral threat, bacterial cells developed an immune response by capturing and copying DNA fragments of viruses. This allowed bacteria to recognise subsequent attacks and cleave the viral DNA to stop the viral infection. It was also discovered that the Cas enzyme was responsible for DNA cleavage.

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Researchers uncover new CRISPR-like system in animals that can edit the human genome

Broad Institute

By Leah Eisenstadt June 28, 2023 Credit: Courtesy of the Zhang lab Cryo-EM map of a Fanzor protein in complex with ωRNA and its target DNA. They showed that Fanzor proteins use RNA as a guide to target DNA precisely, and that Fanzors can be reprogrammed to edit the genome of human cells. said Zhang.

RNA 139
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Evolved prime editors are smaller and more efficient for therapeutic applications

Broad Institute

Now researchers at the Broad Institute of MIT and Harvard have used cutting-edge continuous laboratory evolution and engineering methods to develop improved versions of the gene-editing tool. Reverse transcriptase proteins that copy RNA templates into strands of DNA are found naturally in all plant and animal cells and in many viruses.

DNA 145
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Search algorithm reveals nearly 200 new kinds of CRISPR systems

Broad Institute

The scientists found a surprising number and diversity of CRISPR systems, including ones that could make edits to DNA in human cells, others that can target RNA, and many with a variety of other functions. Zhang’s team showed that two of these systems could make short edits in the DNA of human cells.

RNA 135
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Messenger RNAs with multiple “tails” could lead to more effective therapeutics

Broad Institute

Messenger RNAs with multiple “tails” could lead to more effective therapeutics By Corie Lok March 22, 2024 Breadcrumb Home Messenger RNAs with multiple “tails” could lead to more effective therapeutics Scientists have engineered long lasting mRNAs that increased therapeutic protein production in cells and animals.

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RNA interference and its role in Alzheimer’s disease

Drug Target Review

Scientists from Northwestern Medicine have demonstrated that RNA interference could have a crucial role in the onset and development of Alzheimer’s disease (AD). sRNAs Cellular functions rely on numerous protein-coding and noncoding RNAs and the RNA-binding proteins associated with them, which form ribonucleoprotein complexes (RNPs).

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