Researchers Develop an Engineered ‘Mini’ CRISPR Genome Editing System
An anonymous reader quotes a report from Phys.Org: In a paper published Sept. 3 in Molecular Cell, [Stanley Qi, assistant professor of bioengineering at Stanford University] and his collaborators announce what they believe is a major step forward for CRISPR: An efficient, multi-purpose, mini CRISPR system. Whereas the commonly used CRISPR systems — with names like Cas9 and Cas12a denoting various versions of CRISPR-associated (Cas) proteins — are made of about 1000 to 1500 amino acids, their “CasMINI” has 529. The researchers confirmed in experiments that CasMINI could delete, activate and edit genetic code just like its beefier counterparts. Its smaller size means it should be easier to deliver into human cells and the human body, making it a potential tool for treating diverse ailments, including eye disease, organ degeneration and genetic diseases generally. The findings have been published in the journal Molecular Cell.

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