{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T08:05:51Z","timestamp":1789805151773,"version":"4.0.1"},"reference-count":47,"publisher":"American Society of Hematology","issue":"10","license":[{"start":{"date-parts":[[2022,12,21]],"date-time":"2022-12-21T00:00:00Z","timestamp":1671580800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["ashpublications.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,3,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The hematopoietic stem cell (HSC) cycle responds to inflammatory and other proliferative stressors; however, these cells must quickly return to quiescence to avoid exhaustion and maintain their functional integrity. The mechanisms that regulate this return to quiescence are not well understood. Here, we show that tetraspanin CD53 is markedly upregulated in HSCs in response to a variety of inflammatory and proliferative stimuli and that the loss of CD53 is associated with prolonged cycling and reduced HSC function in the context of inflammatory stress. Mechanistically, CD53 promotes the activity of the dimerization partner, RB-like, E2F, and multi-vulva class B (DREAM) transcriptional repressor complex, which downregulates genes associated with cycling and division. Proximity labeling and confocal fluorescence microscopy studies showed that CD53 interacts with DREAM-associated proteins, specifically promoting the interaction between Rbl2\/p130 and its phosphatase protein phosphatase 2A (PP2A), effectively stabilizing p130 protein availability for DREAM binding. Together, these data identified a novel mechanism by which stressed HSCs resist cycling.<\/jats:p>","DOI":"10.1182\/blood.2022016929","type":"journal-article","created":{"date-parts":[[2022,12,21]],"date-time":"2022-12-21T21:06:15Z","timestamp":1671656775000},"page":"1180-1193","update-policy":"https:\/\/doi.org\/10.1182\/blood.2019cm0000","source":"Crossref","is-referenced-by-count":20,"title":["The tetraspanin CD53 protects stressed hematopoietic stem cells via promotion of DREAM complex\u2013mediated quiescence"],"prefix":"10.1182","volume":"141","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6234-7005","authenticated-orcid":false,"given":"Zev J.","family":"Greenberg","sequence":"first","affiliation":[{"name":"1Department of Pediatrics, Washington University School of Medicine, St. Louis, MO"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luana Chiquetto","family":"Paracatu","sequence":"additional","affiliation":[{"name":"1Department of Pediatrics, Washington 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