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CRISPR tech finds key genes behind Parkinson’s disease

IANS by IANS
April 12, 2025
in Health
CRISPR tech finds key genes behind Parkinson’s disease
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New Delhi, April 12 (IANS) US researchers have used modern technology CRISPR interference to identify a new set of genes that contribute to the risk of Parkinson’s disease.

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More than 10 million people worldwide are living with Parkinson’s disease. It is the second-most common neurodegenerative disease after Alzheimer’s disease.

Researchers have long been investigating why some people carrying pathogenic variants go on to develop Parkinson’s, while others who also carry such variants do not. The prevailing theory has suggested additional genetic factors may play a role.

The study, published in the journal Science, identifies a new set of genes and cellular pathway that play a role in the risk of developing Parkinson’s disease.

The scientists from Northwestern University searched the entire human genome using CRISPR interference technology.

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They discovered that a group of 16 proteins, called Commander, comes together to play a previously unrecognised role in delivering specific proteins to the lysosome — a part of the cell that acts like a recycling centre — breaking down waste materials, old cell parts and other unwanted substances.

“Our study reveals that a combination of genetic factors plays a role in the manifestation of diseases like Parkinson’s disease, which means that therapeutic targeting of several key pathways will have to be considered for such disorders,” said Dr. Dimitri Krainc, chair of Davee department of neurology and director of the Feinberg Neuroscience Institute at the varsity.

Instead of studying tens of thousands of patients, which could be challenging and costly, the team resorted to CRISPR.

“We used a genome-wide CRISPR interference screen to silence each of the protein-coding human genes in cells and identified those important for PD pathogenesis,” Krainc said.

By examining the genomes from two independent cohorts the scientists found loss-of-function variants in Commander genes in people with Parkinson’s compared to those without it.

“This suggests that loss-of-function variants in these genes increase Parkinson’s disease risk,” Krainc said.

–IANS

rvt/

*Except for the headings & sub-headings, this story has not been edited by The enewstime.in and has been published from IANS feed.

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