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当前位置: 首页 > 文章 > TNF-α基因表达量对大围山微型鸡及武定鸡股骨强度的影响 中国家禽 2015,37 (5) 10-13
Position: Home > Articles > Effect of TNF-α Gene mRNA Expression on Femoral Bone Strength in Daweishan Mini Chicken and Wuding Chicken China Poultry 2015,37 (5) 10-13

TNF-α基因表达量对大围山微型鸡及武定鸡股骨强度的影响

作  者：
豆腾飞;荣华;张丽春;李丽红;万全书;何昌明;葛长荣;刘丽仙;赵素梅;李琦华;贾俊静
单  位：
云南农业大学动物科学技术学院
关键词：
TNF-α基因;大围山微型鸡;武定鸡;股骨强度
摘  要：
家禽骨质特性是家禽重要的经济性状指标,研究显示肿瘤坏死因子α(TNF-α)对人类及动物骨代谢有显著影响。为了揭示影响家禽骨强度的主效基因,研究以体重较轻、体型较小的大围山微型鸡以及大型鸡种武定鸡为研究对象,和艾维因肉鸡作对比,通过检测骨强度以及骨骼中TNF-α基因的表达量,研究TNF-α基因的表达量对大围山微型鸡和武定鸡股骨强度的影响。结果显示,4~16周龄大围山微型鸡股骨强度均显著高于武定鸡和肉鸡(P<0.05),且武定鸡股骨强度高于肉鸡;每一阶段大围山微型鸡股骨软骨中TNF-α基因m RNA表达量显著低于其它两个鸡种(P<0.05);相关分析显示TNF-α基因的表达水平与股骨强度指标呈负相关。可见,TNF-α基因对家禽的骨强度有重要影响,是影响家禽骨强度的重要候选基因。
译  名：
Effect of TNF-α Gene mRNA Expression on Femoral Bone Strength in Daweishan Mini Chicken and Wuding Chicken
作  者：
DOU Tengfei;RONG Hua;ZHANG Lichun;LI Lihong;WAN Quanshu;HE Changming;GE Changrong;LIU Lixian;ZHAO Sumei;LI Qihua;JIA Junjing;Yunnan Provincial Key Laboratory of Animal Nutrition and Feed,College of Animal Science and Technology,Yunnan Agricultural University;Animal Husbandry Technology Extending Stations of Honghe Prefecture,Yunnan Province;Animal Health Supervision of Honghe Prefecture,Yunnan Province;Animal Husbandry Bureau of Pingbian County;
关键词：
TNF-α gene;;Daweishan Mini chicken;;Wuding chicken;;femoral bone strength
摘  要：
The bone property is an important economic indicators of poultry. It has been reported that tumor necrosis factor-α(TNF-α)is closely related to the growth and development of skeletal in animals and human. The objective of this study was to investigate the effect of TNF-α m RNA expression on the bone strength of Daweishan Mini chicken which is a small-size local chicken breed,and Wuding chicken which is a big-size local chicken breed and Avian broiler as control. The results showed that femoral bone strength of Daweishan Mini chickens from 4 to 16 weeks of age was higher than Wuding chicken and Avian broiler,and femoral bone strength of Wuding chicken was higher than Avian broiler. In contract,the expression of TNF-α m RNA in femoral cartilage from 4 to 16 weeks of age in Daweishan Mini chickens were significantly lower than the other two breeds(P<0.05). In addition,correlation analysis revealed that TNF-α m RNA expression in femoral cartilage was negative correlation with femoral bone strength. It was obvious that TNF-α gene played an important role in regulating bone growth and strength in chickens,and could be selected as a candidate gene of bone strength for molecular breeding in chicken.

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