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华西医学  2013 

生长激素释放激素受体与肾上腺肿瘤关系的初步研究

DOI: 10.7507/1002-0179.20130061, PP. 187-191

Keywords: 肾上腺肿瘤,生长激素释放激素受体,生长激素释放激素,免疫组织化学

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Abstract:

目的 初步探讨生长激素释放激素受体(GHRHR)在肾上腺肿瘤组织中的表达及其在临床中的实际应用价值。方法 应用免疫组织化学方法检测2001年1月-2009年10月间187例肾上腺肿瘤和20例正常肾上腺组织标本中GHRHR的表达。结果 肾上腺皮质肿瘤与肾上腺髓质肿瘤、正常肾上腺组织比较,GHRHR表达明显增高(阳性率分别为99%、45%、55%),GHRHR在肾上腺皮质醇瘤和醛固酮瘤中表达的差异有统计学意义,在肾上腺皮质腺瘤、皮质腺癌、皮质增生中表达的差异有统计学意义。结论 GHRHR在人正常肾上腺及肾上腺肿瘤组织中的表达,为在垂体外组织及人类肿瘤组织存在GHRHR的表达提供了直接证据;GHRHR可能会用于肾上腺皮质肿瘤和髓质肿瘤的鉴别诊断,但GHRHR尚不能用于良性和恶性肾上腺皮质肿瘤的鉴别诊断。GHRHR在肾上腺皮质相关肿瘤的高表达,可能与肾上腺皮质肿瘤的发病机制有关。

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