{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T10:39:10Z","timestamp":1789987150198,"version":"4.0.1"},"reference-count":119,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2022,5,12]],"date-time":"2022-05-12T00:00:00Z","timestamp":1652313600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000199","name":"USDA","doi-asserted-by":"publisher","award":["2015-67015-23231"],"award-info":[{"award-number":["2015-67015-23231"]}],"id":[{"id":"10.13039\/100000199","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000199","name":"USDA","doi-asserted-by":"publisher","award":["RO1HD095841"],"award-info":[{"award-number":["RO1HD095841"]}],"id":[{"id":"10.13039\/100000199","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development of the National Institutes of Health","doi-asserted-by":"publisher","award":["2015-67015-23231"],"award-info":[{"award-number":["2015-67015-23231"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development of the National Institutes of Health","doi-asserted-by":"publisher","award":["RO1HD095841"],"award-info":[{"award-number":["RO1HD095841"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cells"],"abstract":"<jats:p>In mammalian females, after sperm are deposited in the reproductive tract, a fraction of sperm migrates to the lower oviduct (isthmus) and forms a sperm storage site known as the functional sperm reservoir. The interactions between sperm membrane proteins and oviduct epithelial cells facilitate sperm binding to the oviductal epithelium and retention in the reservoir. Sperm are bound by glycans that contain specific motifs present on isthmic epithelial cells. Capacitated sperm are released from the reservoir and travel further in the oviduct to the ampulla where fertilization occurs. For decades, researchers have been studying the molecules and mechanisms of sperm release from the oviductal sperm reservoir. However, it is still not clear if the release of sperm is triggered by changes in sperm, oviduct cells, oviduct fluid, or a combination of these. While there is a possibility that more than one of these events are involved in the release of sperm from the reservoir, one activator of sperm release has the largest accumulation of supporting evidence. This mechanism involves the steroid hormone, progesterone, as a signal that induces the release of sperm from the reservoir. This review gathers and synthesizes evidence for the role of progesterone in inducing sperm release from the oviduct functional sperm reservoir.<\/jats:p>","DOI":"10.3390\/cells11101622","type":"journal-article","created":{"date-parts":[[2022,5,12]],"date-time":"2022-05-12T21:46:53Z","timestamp":1652392013000},"page":"1622","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Progesterone-Induced Sperm Release from the Oviduct Sperm Reservoir"],"prefix":"10.3390","volume":"11","author":[{"given":"Supipi","family":"Mirihagalle","sequence":"first","affiliation":[{"name":"Department of Animal Sciences, Institute for Genomic Biology, University of Illinois, Urbana, IL 61801, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer Rose","family":"Hughes","sequence":"additional","affiliation":[{"name":"Department of Animal Sciences, Institute for Genomic Biology, University of Illinois, Urbana, IL 61801, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David Joel","family":"Miller","sequence":"additional","affiliation":[{"name":"Department of Animal Sciences, Institute for Genomic Biology, University of Illinois, Urbana, IL 61801, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1869","DOI":"10.1051\/rnd:19801013","article-title":"Transport of Spermatozoa in the Ewe: Timing of the Establishment of a Functional Population in the Oviduct","volume":"20","author":"Hunter","year":"1980","journal-title":"Reprod. 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