| Changes in the expression of the miu-opioid receptor in the mare oviduct during oestrus and anoestrus. | |
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MedLine Citation:
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PMID: 20036785 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The presence of the mu-opioid receptor (MOR) was investigated in the mare oviduct during oestrus and anoestrus, by means of immunoblotting and immunohistochemistry. Immunoblotting analysis showed that the MOR protein is expressed as 65, 50 and 30 kDa forms in the infundibulum and ampulla both in oestrus and anoestrus, while the 30 kDa form is absent in the isthmus. Moreover, different levels of expression were observed along the ampulla in the two periods examined. Immunohistochemistry revealed MOR in the mucosal epithelium, stromal cells, myocytes and blood vessels. Ciliated cells expressed MOR in the apical cytoplasm and, except for the isthmus of oestrous mares, also in the nucleus. Non-ciliated cells showed MOR only in the isthmus segment during oestrus. Stromal cells showed different immunoreactivity along the oviduct segments and during the oestrous and anoestrous phases. The myosalpinx displayed immunostained myocytes in the intrinsic musculature of the ampulla and in the extrinsic and intrinsic musculature of the isthmus without significant differences between anoestrus and oestrus. Blood vessels expressed MOR in endothelial cells and smooth muscle cells in the isthmus myosalpinx of oestrous mares only. In conclusion, these findings show diverse MOR expression in the three segments constituting the oviduct, as well as changes in MOR expression linked to the mare's physiological condition. |
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Authors:
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S Desantis; G Ventriglia; S Zizza; A C Guaricci; M Losurdo; A Zarrilli; M Albrizio |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-12-28 |
Journal Detail:
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Title: Animal reproduction science Volume: 119 ISSN: 1873-2232 ISO Abbreviation: Anim. Reprod. Sci. Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-02-22 Completed Date: 2010-07-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7807205 Medline TA: Anim Reprod Sci Country: Netherlands |
Other Details:
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Languages: eng Pagination: 40-9 Citation Subset: IM |
Copyright Information:
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Copyright 2009 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Animal Health and Well-being, Faculty of Veterinary Medicine, University of Bari, I-70010 Valenzano (BA), Italy. s.desantis@veterinaria.uniba.it |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Anestrus
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metabolism* Animals Epithelium / metabolism Estrus Female Histocytochemistry Horses / metabolism*, physiology Mucous Membrane / metabolism Oviducts / cytology, metabolism* Receptors, Opioid, mu / metabolism* |
| Chemical | |
Reg. No./Substance:
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0/Receptors, Opioid, mu |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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