Article
The inactive X chromosome as a female protector in autism and beyond.
Nature genetics - 1 Apr 2026
Talukdar Maya, Page David C
Abstract excerpt
Female individuals require greater autosomal genetic risk than male individuals to manifest autism, yet the biological basis of this 'female protective effect' (FPE) remains unknown. Based on insights into the human sex chromosomes, we propose that the FPE arises from higher expression of a subset of X-linked genes in females due to transcription from both the active (Xa) and inactive (Xi) X chromosomes. These...
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