What if the presence of two X chromosomes confers functional specificities on female cells and contributes to the different susceptibilites of men and women to certain diseases? One of the X chromosomes is randomly silenced in each female cell from the embryonic stage, theoretically making the sexes equal. This silencing of the X chromosome is a unique epigenetic process, affecting an entire chromosome and resulting in mosaic expression of X-linked genes throughout the body. However, some genes escape this process and X-inactivation appears to be somewhat labile in certain cell types. What are the physiological implications of these observations? This question is beginning to be explored, particularly in the immune and nervous systems, where several pathologies have sexual bias.
https://www.medecinesciences.org/fr/articles/medsci/full_html/2024/11/msc240158/msc240158.html

Medecine Sciences ©
À lire aussi

Congratulations to Delphine and Julia for their research funding
Congratulations to Delphine Burlet on getting a postdoctoral grant from the Fondation de France and to Julia Roche Dupuy who obtained a fellowship from the HOB doctoral school to finance her PhD thesis. Delphine Burlet, Julia Roche Dupuy À lire aussi

Welcome to Annabelle, new post-doc in the team!
Annabelle joins the lab as a post-doctoral fellow. She completed her PhD at the University of Oxford under the supervision of Prof. Monika Gullerova. Her doctoral work focused on the role of small non-coding Y RNAs and the RNA-binding protein, YBX1, in intracellular...

Welcome to Orlane
Today, we welcome a new member to the team: Orlane. She's a student from the first year of the Brevet de Technicien Supérieur Biotechnologies en Recherche et Production (Two-year technical degree - Biotechnologies in Research and Production).Orlane will be working...

4th year PhD fellowships for Anaëlle
Congratulations to Anaëlle Azogui for obtaining a 4th year PhD fellowships from the "Fondation pour la recherche sur le cancer" (Fondation ARC). Read more