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• W4294884697 startingPage "e1010385" @default.
• W4294884697 abstract "Stem cells are essential for the development and long-term maintenance of tissues and organisms. Preserving tissue homeostasis requires exquisite control of all aspects of stem cell function: cell potency, proliferation, fate decision and differentiation. RNA binding proteins (RBPs) are essential components of the regulatory network that control gene expression in stem cells to maintain self-renewal and long-term homeostasis in adult tissues. While the function of many RBPs may have been characterized in various stem cell populations, how these interact and are organized in genetic networks remains largely elusive. In this report, we show that the conserved RNA binding protein IGF2 mRNA binding protein (Imp) is expressed in intestinal stem cells (ISCs) and progenitors in the adult Drosophila midgut. We demonstrate that Imp is required cell autonomously to maintain stem cell proliferative activity under normal epithelial turnover and in response to tissue damage. Mechanistically, we show that Imp cooperates and directly interacts with Lin28, another highly conserved RBP, to regulate ISC proliferation. We found that both proteins bind to and control the InR mRNA, a critical regulator of ISC self-renewal. Altogether, our data suggests that Imp and Lin28 are part of a larger gene regulatory network controlling gene expression in ISCs and required to maintain epithelial homeostasis." @default.
• W4294884697 created "2022-09-07" @default.
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• W4294884697 date "2022-09-07" @default.
• W4294884697 modified "2023-10-14" @default.
• W4294884697 title "Imp interacts with Lin28 to regulate adult stem cell proliferation in the Drosophila intestine" @default.
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• W4294884697 doi "https://doi.org/10.1371/journal.pgen.1010385" @default.
• W4294884697 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36070313" @default.
• W4294884697 hasPublicationYear "2022" @default.
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