黄淮白山羊冠状动脉、心肌组织结构及CX-43蛋白分布观察

来源 :中国畜牧兽医学会动物解剖及组织胚胎学分会第十九次学术研讨会 | 被引量 : 0次 | 上传用户:hexiaole632
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  为观察黄淮白山羊冠状动脉、心肌组织结构及其CX-43蛋白分布特点,将10只健康成年黄淮白山羊经麻醉后颈动脉放血致死后取其心脏标本, 一部分通过冠状动脉血管铸型标本制备,心肌及冠状动脉标本常规石蜡切片,经MASSON三色、VVG和免疫组化染色后显微观察并摄影;另一部分冠状动脉标本通过戊二醛磷酸盐缓冲液固定后,于60℃300 g/L的KOH溶液中浸泡、0.1 M磷酸盐缓冲液冲洗、37℃胶原纤维酶Ⅱ溶液处理6h后通过20 g/L鞣酸浸泡2.5 h,10 g/L四氧化锇浸泡、梯度酒精脱水,喷镀氯化金,扫描电子显微镜观察并摄影.
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