Ubiquitin E3 Ligase FBXO9 Regulates Pluripotency by Targeting DPPA5 for Ubiquitylation and Degradation.

ABSTRACT: Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have unique characteristics where they can both contribute to all three germ layers in vivo and self-renewal indefinitely in vitro. Post-translational modifications of proteins, particularly by the ubiquitin proteasome system (UPS), control cell pluripotency, self-renewal, and differentiation. A significant number of UPS members (mainly ubiquitin ligases) regulate pluripotency and influence ESC differentiation with key elements of the ESC pluripotency network (including the "master" regulators NANOG and OCT4) being controlled by ubiquitination. To further understand the role of the UPS in pluripotency, we performed an RNAi screen during induction of cellular reprogramming and have identified FBXO9 as a novel regulator o

SUBMITTER: Swenson SA 

PROVIDER: S-EPMC11016844 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature