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The ubiquitous hyaluronan: Functionally implicated in the oviduct?
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0002-5194-2124
Chulalongkorn University, Thailand.
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0001-8425-7505
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0002-0256-1958
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2016 (English)In: Theriogenology, ISSN 0093-691X, E-ISSN 1879-3231, Vol. 86, no 1, 182-186 p.Article, review/survey (Refereed) PublishedText
Abstract [en]

Hyaluronan (hyaluronic acid) is a simple, nonantigenic, nonsulfated glycosaminoglycan present everywhere in the extracellular compartments of the body. Noteworthy, it is highly conserved phylogenetically, from sauropsida to mammals; and plays a plethora of roles from embryonic/fetal development to adult physiological and pathological events, including tumor development. In reproduction, hyaluronan has proven related to initial events as sperm survival, buildup of the sperm reservoir in the oviduct, regulation of sperm capacitation, and prefertilization to later participate in embryo, fetal, and placental development. Synthesis, binding (via the CD44 membrane receptor), and degradation of hyaluronan occur in male and female genital organs, the oviduct being no exception. This review discusses our current knowledge on roles of this ubiquitous glycosaminoglycan on the survival of immunologically foreign spermatozoa in the pig oviduct, a relevant event for fertility. During preovulatory storage in the functional tubal sperm reservoir, spermatozoa are entrapped in a mucus-like tubal fluid. This fluid contains fluctuating levels of hyaluronan, which is synthesized by the lining epithelium by hyaluronan synthase 3. Both hyaluronan and its CD44 receptor are particularly evident in the deep mucosal furrows of the sperm reservoir, in which most spermatozoa are embedded in; kept alive, uncapacitated but also undetected by the immune system of the female. Hyaluronan is also present in the seminal plasma, and evidence points toward an involvement of hyaluronan and its receptor in the local (tubal and possibly uterine) production of antiinflammatory cytokines, such as interleulcin-10, pertaining maternal immune tolerance of these foreign cells. (C) 2015 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE INC , 2016. Vol. 86, no 1, 182-186 p.
Keyword [en]
Hyaluronan; Sperm oviduct reservoir; Sperm survival; Capacitation; Immunity; Pig
National Category
Obstetrics, Gynecology and Reproductive Medicine
Identifiers
URN: urn:nbn:se:liu:diva-130123DOI: 10.1016/j.theriogenology.2015.11.025ISI: 000377643700020PubMedID: 26768539OAI: oai:DiVA.org:liu-130123DiVA: diva2:948603
Note

Funding Agencies|Swedish Research Council VR (Vetenskapsradet) [521-2011-6353]; Swedish Research Council Formas, Stockholm, Sweden [221-2011-512]

Available from: 2016-07-12 Created: 2016-07-11 Last updated: 2016-08-21

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The full text will be freely available from 2016-12-08 17:44
Available from 2016-12-08 17:44

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Rodriguez-Martinez, HeribertoAtikuzzaman, MohammadVicente Carrillo, AlejandroRubér, MarieAlvarez-Rodriguez, Manuel
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Theriogenology
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