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机构地区:[1]第一军医大学中医系,广东广州510515 [2]香港浸会大学中医药学院 [3]香港浸会大学生物学系
出 处:《第一军医大学学报》2004年第9期984-986,共3页Journal of First Military Medical University
基 金:国家自然科学基金(30271610)~~
摘 要:目的探讨新生鼠下丘脑结节乳头核(TM)组胺能神经细胞的体外培养方法.方法从新生鼠(24 h内)下丘脑后部分离出TM神经细胞,采用含有B27的Neurobasal Medium培养液进行体外原代培养.应用免疫细胞化学染色对培养的细胞进行鉴定.结果从新生鼠下丘脑中分离的TM神经细胞,在本实验条件下生长良好.原代培养7~9 d的神经细胞在形态上趋向成熟.免疫细胞化学染色结果表明培养的神经细胞呈组胺免疫反应阳性,为组胺能神经细胞.结论新生鼠下丘脑TM神经细胞可进行体外原代培养,它可作为研究中枢组胺神经系统的体外细胞模型.Objective To establish primary cell culture conditions for tuberomammillary nucleus (TM) histaminergic neurons of neonatal rats. Methods The tuberomammillary nucleus was dissected from the posterior part of the hypothalamus of neonatal rats, and Neurobasal medium supplemented with B27 was used for the primary cell culture. The cultured neurons were identified by immunocytochemical method (ICC). Results TM neurons from the hypothalamus of neonatal rats were successfully cultured under the experimental condition and tended to mature morphologically on the days 7 to 9 of culture. The cultured neurons were stained by ICC and the green immunoreaction product was seen in the neurons under the fluorescence microscope, indicating that the cultured neurons were histamine-positive. Conclusion TM neurons in the hypothalamus of neonatal rats can be cultured in vitro, and the primary cultured ones may serve as a cell model in vitro for the researches of central histaminergic system.
关 键 词:结节乳头核 组胺能神经元 免疫细胞化学 原代细胞培养 新生鼠
分 类 号:R329[医药卫生—人体解剖和组织胚胎学]
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