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《Journal of Southern Agriculture》 2011-01
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Immuno-histochemical localization of gonadotropin-releasing hormone in ovaries of different buffalo varieties

QIN Jin1, LI Rui-ming1, LING Ze-ji1, XIE Ying-xue1, SONG Xiao-bai1 *, YANG Bing-zhuang 2, XU Dian-xin3 (1 College of Animal Science and Technology, Guangxi University, Nanning 530005, China; 2 Guangxi Buffalo Research Institute, Nanning 530001, China; 3 Guangxi Livestock and Poultry Variety Improvement Station, Nanning 530001, China)  
[Objective]The present experiment was conducted to investigate the similarities and differences in localization and expression of gonadotropin-releasing hormone (GnRH) in ovaries of two different buffalo varieties, viz. Guangxi swamp buffalo and Murrah hybrid buffalo, for studying the mechanism of ovary function regulation by GnRH. [Methods]The distribution and expression of GnRH and its receptors in ovaries of buffaloes were compared using immuno-histochemical SP staining. [Results]Results showed the existence of many GnRH positive cells in ovaries of both buffalo varieties, which were mainly located in cytoplasm of stratum granulosum and corpus luteum cells. The quantity of GnRH positive cells in ovaries of different buffalo varieties differed significantly, while the size and average optical density of GnRH positive cells did not show significant differences between two varieties. [Conclusion]Besides stimulating the pituitary secretions of FSH (Follicle stimulation hormome) and LH (Luteinizing hormone) in hypophysis during reproduction, GnRH might play an important role in reproductive organs to regulate the secretion of proteins, production of peptide and steroid hormone by paracrine, self-secretion and neurosecretion, and the regulation of functional activities of these cells and organs. The difference in distribution of GnRH amongst different buffalo varieties might be related with the reproductivity.
【Fund】: 广西自然科学基金项目(桂科自0991042 桂科自0832043);; 广西教育基金项目(桂教科研200709LX075);; 广西大学硕士研究生科研创新项目(105930903014)
【CateGory Index】: S823
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【References】
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1 WANG Qiu-hua,TAO Chun-ai,LI Rui-ming,XIE Ying-xue,QIN Jin,Ling Ze-ji,SONG Xiao-bai(College of Animal Science and Technology,Guangxi University,Nanning 530005,China);Immuno-histochemical Localization of GnRH and Its Receptor Gene Expression in the Mammary Gland of Guangxi Hybrid Murrah Buffalo[J];湖北农业科学;2012-11
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1 Wang Qiu-hua,Tao Chun-ai,Li Rui-ming,Xie Ying-xue,Qin Jin,Ling Ze-ji,Song Xiao-bai~* (College ofAnimal Science and Technology,Guangxi University,Nanning 530005,China);Immuno-histochemical Localization and its Receptor Gene Expression of GnRH in the Mammary Gland of Guangxi Hybrid Murrah Buffalo[A];[C];2012
【Citations】
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1 WEI Jia-zhou1,JIANG Qin-yang2,JIANG He-sheng2,WEI Jing-wei2,WEI Zhi-jian1,ZHANG Yu1,ZHANG Shi-xin1,WEI Ying-ming2(1 Jinguang Dairy Co.Ltd of Guangxi State Farm,Nanning 530041,China;2 College of Animal Science and Technology,Guangxi University,Nanning 530005,China);A study on multiple ovulation and embryo transfer (MOET) technology in Australian Holstein cow[J];广西农业科学;2010-08
2 LING Ze-ji1,LI Rui-ming1,QIN Jin1,XIE Ying-xue1,SONG Xiao-bai1,YANG Bing-zhuang2,XU Dian-xin3(1 College of Animal Science and Technology,Guangxi University,Nanning 530005,China;2 Guangxi Buffalo Research Institute,Nanning 530001,China;3 Guangxi Livestock and Poultry Variety Improved Station,Nanning 530001,China);Immuno-histochemical localization of gonadotropin-releasing hormone in pituitary gland of different cow varieties[J];广西农业科学;2010-08
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3 WANG Li-qin1,2,LIN Jia-peng 2,CHEN Tong 2,TANG Sen2,HUANG Jun-cheng 2,HUANG Xi-xia1(1 Xinjiang Agricultural University,Urumqi 830000,China;2 Key Laboratory of Livestock Reproduction & Breed Biotechnology,Ministry of Agriculture,Urumqi 830000,China);Experiment on super-ovulation in Xinjiang fine-wool sheep[J];南方农业学报;2012-04
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5 QIN Jin1,LI Rui-ming1,LING Ze-ji1,XIE Ying-xue1,SONG Xiao-bai1,YANG Bing-zhuang2,XU Dian-xin3(1 College of Animal Science and Technology,Guangxi University,Nanning 530005,China;2 Guangxi Buffalo Research Institute,Nanning 530001,China;3 Guangxi Livestock and Poultry Variety Improvement Station,Nanning 530001,China);Immuno-histochemical localization of gonadotropin-releasing hormone in testis of different bull varieties[J];广西农业科学;2010-10
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1 QIN Jin1, LI Rui-ming1, LING Ze-ji1, XIE Ying-xue1, SONG Xiao-bai1 *, YANG Bing-zhuang 2, XU Dian-xin3 (1 College of Animal Science and Technology, Guangxi University, Nanning 530005, China; 2 Guangxi Buffalo Research Institute, Nanning 530001, China; 3 Guangxi Livestock and Poultry Variety Improvement Station, Nanning 530001, China);Immuno-histochemical localization of gonadotropin-releasing hormone in ovaries of different buffalo varieties[J];南方农业学报;2011-01
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