期刊论文详细信息
International Journal of Clinical and Experimental Pathology
Alpha B-crystallin correlates with poor survival in colorectal cancer
Chuanbing Shi1 
关键词: CRYAB;    CRC;    qPCR;    TMA;    IHC;   
DOI  :  
学科分类:生理学与病理学
来源: e-Century Publishing Corporation
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【 摘 要 】

Alpha B-crystallin (CRYAB) is primarily found as major structural proteins of the ocular lens and is a principal member of the small heat shock protein (HSP) family. So far, CRYAB has been suggested to play critical roles in the development of several kinds of human cancers. However, the association between CRYAB expression and clinicopathological characteristics of colorectal cancer (CRC) has not been elucidated yet. In the present study, one-step quantitative PCR reverse transcription-polymerase chain reaction (qPCR) analysis of 18 samples of CRC and immunohistochemistry (IHC) analysis with 100 cases of CRC sample in tissue microarrays (TMA) were employed to evaluate the expression of CRYAB in CRC. The results suggested that CRYAB expression in the mRNA and protein levels was significantly higher in CRC tissues than in corresponding non-cancerous tissues (P < 0.05 and P = 0.014, respectively). The expression of CRYAB protein in CRC was significantly associated with distant metastasis (P = 0.040) and overall survival (P = 0.003). Kaplan-Meier method and multivariate survival analysis indicated that high expression of CRYAB (P = 0.040) and distant metastasis (P = 0.005) showed significant correlations with poor prognosis of CRC patients. The data imply that CRYAB expression is correlated with substantial clinical characteristics of CRC, and it may be identified as an unfavorable prognostic factor for CRC.

【 授权许可】

CC BY-NC   

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