スイギュウの閉鎖卵胞におけるvon Willebrand factorおよびvascular endothelial growth factorの分布
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概要
- 論文の詳細を見る
The aim of this study was to investigate the distribution pattern of von Willebrand factor (vWF) and vascular endothelial growth factor (VEGF) in the healthy antral and atretic follicles of Philippine swamp buffaloes (SB) in comparison with Holstein-Friesian cows (HF). Paraffin sections of healthy follicles and atretic follicles at various stages were immunostained with vWF antibody and VEGF antibody. The density of vWF-positive capillary vessels in the theca interna significantly increased as atresia progressed in SB, whereas the density significantly decreased in late atretic follicles compared with advanced ones in HF. On the other hand, the area of vWF-positive capillary vessels in the theca interna significantly increased as atresia progressed in both SB and HF. Immunoreactions of VEGF in the granulosa cells (in all follicle types) were observed in both SB and HF. In the granulosa layer, a reduction in the VEGF immunoreaction was noted as follicles progressed from healthy to advanced atretic follicles in both animals. Granulosa cells (in both SB and HF) showed a higher immunopositive staining than theca cells. In the theca interna, VEGF immunostaining diminished as follicles progressed to the late atretic follicles in both animals. These results indicate that during atresia, changes of vWF expression are the opposite of VEGF expression in SB. Both vWF and VEGF are suggested to be associated with follicular atresia in SB.
- 日本繁殖生物学会の論文
著者
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磯部 直樹
広島大学大学院生物圏科学研究科
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Feranil Jun
Laboratory of Animal Science, Graduate School for International Development and Cooperation, Hiroshi
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磯部 直樹
Graduate School of Biosphere Science, Hiroshima University
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中尾 敏彦
Laboratory of Theriogenology, Department of Veterinary Medicine, Faculty of Agriculture, Yamaguchi U
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NAKAO Toshihiko
Laboratory of Theriogenology, Department of Veterinary Medicine, Faculty of Agriculture, Yamaguchi U
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中尾 敏彦
山口大学農学部
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Isobe Naoki
Graduate School Of Biosphere Sci. Hiroshima Univ. Jpn
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Isobe Naoki
Graduate School For International Development And Cooperation Hiroshima University
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中尾 敏彦
山口大学 農学部獣医学科
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Feranil Jun
Laboratory Of Animal Science Graduate School For International Development And Cooperation Hiroshima
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Nakao Toshihiko
Laboratory Of Animal Science Graduate School For International Development And Cooperation Hiroshima
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FERANIL Jun
Laboratory of Animal Science, Graduate School for International Development and Cooperation, Hiroshima University
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