| Mesotocin increases the sensitivity of the hen oviduct uterus to arginine vasotocin. | |
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MedLine Citation:
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PMID: 18809873 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The present study was performed to elucidate whether mesotocin (MT), one of avian neurohypophysial hormones, relates to the action of arginine vasotocin (AVT) on oviposition of hens. The ratio of AVT-induced oviposition was increased when 1 microg/hen of MT was injected together with AVT. An intravenous injection of 1 microg/hen of MT caused an increase in the binding affinity of the uterine AVT receptor and a decrease in the binding capacity. Blood MT concentrations measured by RIA increased approximately 1 min before oviposition during the period of the bearing-down behavior, but the AVT concentration did not change at this time. The blood AVT concentration dramatically increased within 1 min just after oviposition. The results suggest that MT may have an effect of enhancing the inducing oviposition by AVT through the increase in the sensitivity of the uterus to AVT at oviposition in hens. |
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Authors:
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T Takahashi; M Kawashima |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Poultry science Volume: 87 ISSN: 0032-5791 ISO Abbreviation: Poult. Sci. Publication Date: 2008 Oct |
Date Detail:
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Created Date: 2008-09-23 Completed Date: 2008-11-24 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401150 Medline TA: Poult Sci Country: United States |
Other Details:
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Languages: eng Pagination: 2107-11 Citation Subset: IM |
Affiliation:
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Department of Avian Endocrinology, Gifu University, Yanagido, Gifu 501-1193, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Body Weight Chickens Female Oviducts / drug effects, physiology* Oviposition / drug effects, physiology* Oxytocin / analogs & derivatives*, blood, pharmacology Receptors, Vasopressin / drug effects, physiology* Uterus / drug effects, physiology* Vasotocin / physiology* |
| Chemical | |
Reg. No./Substance:
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0/Receptors, Vasopressin; 0/vasotocin receptor; 362-39-0/mesotocin; 50-56-6/Oxytocin; 9034-50-8/Vasotocin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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