IR@PKUHSC  > 北京大学基础医学院  > 病理学系
学科主题基础医学
IgG gene expression and its possible significance in prostate cancers
Liu, Yuxuan1; Chen, Zhengshan2; Niu, Na1; Chang, Qing1; Deng, Ruishu1; Korteweg, Christine2; Gu, Jiang1,2
关键词immunoglobulin G prostate cancer biomarker Gleason score anti-IgG antibody
刊名PROSTATE
2012-05-01
DOI10.1002/pros.21476
72期:6页:690-701
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Endocrinology & Metabolism ; Urology & Nephrology
研究领域[WOS]Endocrinology & Metabolism ; Urology & Nephrology
关键词[WOS]LINKED OLIGOSACCHARIDE CHAINS ; IMMUNOGLOBULIN BINDING-FACTOR ; HUMAN SEMINAL PLASMA ; ALPHA HEAVY-CHAIN ; ALPHA-2-MACROGLOBULIN DEFICIENCY ; CELL-LINES ; SERA ; CARCINOGENESIS ; ADENOCARCINOMA ; IDENTIFICATION
英文摘要

BACKGROUND In spite of recent advances in treatment strategies, prostate cancer (PCa) remains the second leading cause of cancer death in men with its genetic and biologic behaviors still poorly understood. Recently, accumulating evidence indicates that cancer cells, as well as some normal cells can secret IgG. This study was designed to evaluate IgG gene expression and its possible significance in PCa tissue samples and cell lines.

METHODS. IgG expression was assessed by immunohistochemistry, in situ hybridization, immunofluorescence, RT-PCR, and Western blot. The possible significance of IgG was evaluated on tissue array and cell lines. To assess cell viability and proliferation, MTS assay was carried out. Apoptosis was evaluated with propidium iodide and annexin-V staining.

RESULTS. Expressions of IgG and its related genes were detected in cell lines. Abundant gene expressions of Igg and Igk chain were detected in PCa tissue samples, but not in normal prostate tissues. In addition, IgG expression was significantly higher in PCa tissues than in the benign prostate hyperplasia tissues (P < 0.001). Igg expression was positively correlated to Gleason score and histological grade (P < 0.05). Furthermore, in vitro experiments showed that anti-human monoclonal IgG antibody suppressed cell proliferation and increased apoptosis in cultured PCa cells.

CONCLUSION. IgG gene expression in PCa is related to cell differentiation and clinical status. PCa cell produced IgG is involved in the biological behavior of this cancer and may serve as a useful marker for cancer cell differentiation and prognosis. Locally produced IgG could be a potential target for therapy. Prostate 72:690-701, 2012. (C) 2011 Wiley Periodicals, Inc.

语种英语
WOS记录号WOS:000301712500012
项目编号B 07001 ; 30971150 ; 81001199 ; 30950110335
资助机构International Collaboration Project (111 Project) ; National Natural Science Foundation of China
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.bjmu.edu.cn/handle/400002259/50758
专题北京大学基础医学院_病理学系
作者单位1.Shantou Univ Med Coll, Dept Pathol, Shantou, Peoples R China
2.Peking Univ, Dept Pathol, Sch Basic Med Sci, Beijing 100871, Peoples R China
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GB/T 7714
Liu, Yuxuan,Chen, Zhengshan,Niu, Na,et al. IgG gene expression and its possible significance in prostate cancers[J]. PROSTATE,2012,72(6):690-701.
APA Liu, Yuxuan.,Chen, Zhengshan.,Niu, Na.,Chang, Qing.,Deng, Ruishu.,...&Gu, Jiang.(2012).IgG gene expression and its possible significance in prostate cancers.PROSTATE,72(6),690-701.
MLA Liu, Yuxuan,et al."IgG gene expression and its possible significance in prostate cancers".PROSTATE 72.6(2012):690-701.
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