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Mutations from Venus, mutations from Mars
Date:7/28/2014

ion; and damage to them leads, in many cases, to male sterility.

The researchers then looked at these 95 genes in people whose genomes had been made available through the 1000 Genomes Project, which gave them a broad cross-section of human populations. Their analysis revealed that genes that are active only in the testes have double the harmful mutation rate of those that are active in both sexes right in line with the mathematical model. Pietrokovski and his team are now conducting follow-up experiments to see whether the mutations they identified do, indeed, play a role in these problems and whether the "sex-difference" approach can explain their survival.

This new understanding of the persistence of genetic mutations could yield insights into other diseases with genetic components, especially those that affect the sexes asymmetrically, including schizophrenia and Parkinson's, which are more likely to affect men, and depression and autoimmune diseases, which affect more women. And, say Gershoni and Pietrokovski, these findings highlight the need to fit even common medical treatments to the gender of the patient.


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Contact: Yivsam Azgad
news@weizmann.ac.il
972-893-43856
Weizmann Institute of Science
Source:Eurekalert

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