酸敏感离子通道1a在大鼠椎体终板软骨细胞的表达及其意义

doi:10.3969/j.issn.0529-1356.2013.04.006

解剖学报 ›› 2013, Vol. 44 ›› Issue (4 ): 475-478.doi: 10.3969/j.issn.0529-1356.2013.04.006

酸敏感离子通道1a在大鼠椎体终板软骨细胞的表达及其意义

李霞¹ 赵懿清¹周路遥¹贺春晖¹ 吕卫群¹袁凤来^{2 *}

1.南通大学第三附属医院药剂科，江苏无锡 214041; 2.南通大学第三附属医院中西医结合研究所，江苏无锡 214041

收稿日期:2012-12-03 修回日期:2013-03-08 出版日期:2013-08-06 发布日期:2013-09-04
通讯作者: 袁凤来 E-mail:bjjq88@163.com
基金资助:
国家自然科学基金资助项目

Expression of acid-sensing ion channel 1a in endplate chondrocytes of the vertebral body in rats

LI Xia¹ZHAO Yi-qing¹ ZHOU Lu-yao¹ HE Chun-hui¹ Lü Wei-qun¹ YUAN Feng-lai ^{2 *}

1.Department of Phamacy, 2. Institute of Combined Traditional Chinese and Western Medicine, the Third Hospital Affiliated to Nantong University, Jiangsu Wuxi 214041, China

Received:2012-12-03 Revised:2013-03-08 Online:2013-08-06 Published:2013-09-04

摘要/Abstract

摘要：

目的探讨大鼠椎体终板软骨细胞酸敏感离子通道 1a (ASIC1a)的表达及其意义。方法选用成年SD大鼠10只。分离、培养椎体终板软骨细胞以及传代培养, 倒置显微镜下观察细胞形态, 甲苯胺蓝染色对终板软骨细胞进行鉴定。利用PT-PCR和Western blotting检测ASIC1a在大鼠椎体终板软骨细胞mRNA及其蛋白的表达，免疫荧光双标观察ASIC1a在终板软骨细胞的细胞定位。结果形态学及甲苯胺蓝染色阳性显示，培养的细胞为软骨细胞，PT-PCR和Western blotting显示，大鼠椎体终板软骨细胞存在ASIC1a mRNA及其蛋白的表达，免疫荧光显示，ASIC1a在终板软骨细胞膜有阳性表达。结论 ASIC1a在大鼠椎体终板软骨细胞的表达，对认识ASIC1a功能及寻找新抗椎间盘退变靶点有重要意义。

关键词: 酸敏感离子通道, 软骨细胞, 椎体终板, 椎间盘退变, 大鼠

Abstract:

Objective To explore the expression of acid-sensing ion channels 1a(ASIC1a) in endplate chondrocytes of the vertebral body in rat. Methods Endplate chondrocytes were isolated from the 10 adult SD rats, and their phenotypes were determined by an inverted microscope and toluidine blue staining. RT-PCR and Western blotting were used to detect ASIC1a in endplate chondrocytes of the rat vertebral body. Fluorescence immunocytochemistry double marker was used to the location of ASIC1a in the cells. Results Positive staining for glycosaminoglycan was seen in endplate chondrocytes. RT-PCR analysis showed that ASIC1a mRNA were presentin endplate chondrocytes of the vertebral body. The total RNA, and the corresponding protein were detected. Conclusion The ASIC1a expresses in endplate chondrocytes of the vertebral body, which may be regarded as a new target of intervertebral disc degeneration (IVDD).

Key words: Acid-sensing ion channel, Chondrocyte, Terminal plate of vertebral body, Intervertebral disc degeneration, Rat

李霞赵懿清周路遥贺春晖吕卫群袁凤来*. 酸敏感离子通道1a在大鼠椎体终板软骨细胞的表达及其意义[J]. 解剖学报, 2013, 44(4 ): 475-478.

LI Xia ZHAO Yi-qing ZHOU Lu-yao HE Chun-hui Lü Wei-qun YUAN Feng-lai* . Expression of acid-sensing ion channel 1a in endplate chondrocytes of the vertebral body in rats[J]. AAS, 2013, 44(4 ): 475-478.

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酸敏感离子通道1a在大鼠椎体终板软骨细胞的表达及其意义

Expression of acid-sensing ion channel 1a in endplate chondrocytes of the vertebral body in rats

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