{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T08:28:46Z","timestamp":1769156926667,"version":"3.49.0"},"reference-count":81,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2022,3,14]],"date-time":"2022-03-14T00:00:00Z","timestamp":1647216000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":["rep.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,5,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Sperm capacitation in mammals is a fundamental requirement to acquire their fertilizing capacity. Little is known about the action mechanism of the molecules that prevent capacitation from occurring prematurely. These molecules are known as decapacitation factors (DFs) and they must be removed from the sperm surface for capacitation to occur successfully. Serine protease inhibitor Kazal type 3 (SPINK3) has been proposed as one of these DFs. Here, we evaluate how this protein binds to mouse sperm and its removal kinetics. We describe that SPINK3 is capable of binding to the membrane of mature epididymal sperm through protein\u2013lipid interactions, specifically to lipid rafts subcellular fraction. Moreover, cholera toxin subunit b (CTB) avoids SPINK3 binding. We observe that SPINK3 is removed from the sperm under in vitro capacitating conditions and by the uterine fluid from estrus females. Our ex vivo studies show the removal kinetics of this protein within the female tract, losing SPINK3 formerly from the apical region of the sperm in the uterus and later from the flagellar region within the oviduct. The presence of acrosome-reacted sperm in the female duct concurs with the absence of SPINK3 over its surface.<\/jats:p>","DOI":"10.1530\/rep-21-0195","type":"journal-article","created":{"date-parts":[[2022,2,22]],"date-time":"2022-02-22T12:32:04Z","timestamp":1645533124000},"page":"251-266","update-policy":"https:\/\/doi.org\/10.1530\/crossmarkpolicy-11","source":"Crossref","is-referenced-by-count":6,"title":["How, where and when is SPINK3 bound and removed from mouse sperm?"],"prefix":"10.1093","volume":"163","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8485-127X","authenticated-orcid":false,"given":"Anabella R","family":"Nicolli","sequence":"first","affiliation":[{"name":"Instituto de Investigaciones Biol\u00f3gicas (IIB-FCEyN\/CONICET) , Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Mar del Plata, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos A I","family":"Alonso","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Therapeutics , McGill University, Montr\u00e9al, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Catalina","family":"Otamendi","sequence":"additional","affiliation":[{"name":"Instituto de Investigaciones Biol\u00f3gicas (IIB-FCEyN\/CONICET) , Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Mar del Plata, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Micaela","family":"Cerletti","sequence":"additional","affiliation":[{"name":"Instituto de Investigaciones Biol\u00f3gicas (IIB-FCEyN\/CONICET) , Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Mar del Plata, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ansgar","family":"Poetsch","sequence":"additional","affiliation":[{"name":"Plant Biochemistry , Ruhr University Bochum, Bochum, Germany"},{"name":"Queen Mary School , Medical College, Nanchang University, Nanchang, China"},{"name":"College of Marine Life Sciences , Ocean University of China, Qingdao, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vikram","family":"Sharma","sequence":"additional","affiliation":[{"name":"School of Biomedical Science , University of Plymouth, Plymouth, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lucia","family":"Zalazar","sequence":"additional","affiliation":[{"name":"Instituto de Investigaciones Biol\u00f3gicas (IIB-FCEyN\/CONICET) , Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Mar del Plata, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Silvina","family":"Perez-Martinez","sequence":"additional","affiliation":[{"name":"Centro de Estudios Farmacol\u00f3gicos y Bot\u00e1nicos (CEFYBO-UBA\/CONICET) , Facultad de Medicina, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Cient\u00edficas T\u00e9cnicas, Buenos Aires, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreina","family":"Cesari","sequence":"additional","affiliation":[{"name":"Instituto de Investigaciones Biol\u00f3gicas (IIB-FCEyN\/CONICET) , Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Mar del Plata, 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