Mmastodon ScienceScience first seen 5 d ago, last 1 h ago, peak #1

Study: Developing Brain Purges Neurons With Altered Genomes

Original: A peer-reviewed Nature study of 2,357 human neurons finds widespread genomic copy-number changes are common before birth

A peer-reviewed Nature study analysed 2,357 human neurons and found that widespread genomic copy-number changes are common before birth but become far rarer afterward. Researchers interpret this as evidence of a perinatal quality-control process in which the developing brain removes neurons carrying heavily altered genomes, offering new insight into how genomic integrity is maintained during human brain development.

Why now: A high-profile Nature publication with implications for understanding neurodevelopment and genomic stability has just drawn scientific and public attention

Naturehuman neuronsdeveloping brain

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Evidence

• A peer-reviewed Nature study of 2,357 human neurons finds widespread genomic copy-number changes are common before birth but far rarer afterward, pointing to a perinatal quality-control process. The Developing Brain Appears to Remove Neurons With Heavily Altered Genomes · news@newtqnia.com · 2

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