IR@PKUHSC  > 北京大学基础医学院  > 免疫学系
学科主题基础医学
Aberrant high expression of immunoglobulin G in epithelial stem/progenitor-like cells contributes to tumor initiation and metastasis
Liao, Qinyuan1,2; Liu, Wei1,2; Liu, Yang1,2; Wang, Fulin4; Wang, Chong1,2; Zhang, Jingxuan3; Chu, Ming1,2; Jiang, Dongyang1,2; Xiao, Lin1,2; Shao, Wenwei1,2; Sheng, Zhengzuo1; Tao, Xia5; Huo, Lei6; Yin, C. Cameron7; Zhang, Youhui8; Lee, Gregory9; Huang, Jing1,2; Li, Zihai10; Qiu, Xiaoyan1,2,3
关键词nanIgG RP215 epithelial stem/progenitor-like cells tumor metastasis
刊名ONCOTARGET
2015-11-24
6期:37页:40081-40094
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Oncology ; Cell Biology
研究领域[WOS]Oncology ; Cell Biology
关键词[WOS]PAN CANCER MARKER ; BREAST-CANCER ; STEM-CELLS ; MONOCLONAL-ANTIBODY ; POOR-PROGNOSIS ; CHAIN GENE ; CARCINOMAS ; SUBTYPE ; REARRANGEMENT ; MECHANISMS
英文摘要

High expression of immunoglobulin G (IgG) in many non-B cell malignancies and its non-conventional roles in promoting proliferation and survival of cancer cells have been demonstrated. However, the precise function of non-B IgG remains incompletely understood. Here we define the antigen specificity of RP215, a monoclonal antibody that specifically recognizes the IgG in cancer cells. Using RP215, our study shows that IgG is overexpressed in cancer cells of epithelial lineage, especially cells with cancer stem/progenitor cell-like features. The RP215-recognized IgG is primarily localized on the cell surface, particularly lamellipodia-like structures. Cells with high IgG display higher migration, increased invasiveness and metastasis, and enhanced self-renewal and tumorgenecity ability in vitro and in vivo. Importantly, depletion of IgG in breast cancer leads to reduced adhesion, invasion and self-renewal and increased apoptosis of cancer cells. We conclude that high expression of IgG is a novel biomarker of tumor progression, metastasis and cancer stem cell maintenance and demonstrate the potential therapeutic benefits of RP215-recognized IgG targeted strategy.

语种英语
WOS记录号WOS:000366114400055
项目编号81272237 ; 91229102 ; 81320108020 ; 7112082
资助机构National Nature Science Foundation of China ; Natural Science Foundation of Beijing
引用统计
被引频次:11[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/400002259/54831
专题北京大学基础医学院_免疫学系
北京大学基础医学院
北京大学第一临床医学院_妇产科
作者单位1.Minist Hlth, Key Lab Med Immunol, Beijing 100191, Peoples R China
2.Peking Univ, Sch Basic Med Sci, Dept Immunol, Beijing 100191, Peoples R China
3.Peking Univ, Ctr Human Dis Genom, Beijing 100191, Peoples R China
4.Chinese Peoples Liberat Army Gen Hosp, Dept Pathol, Beijing 100853, Peoples R China
5.Peking Univ, Hosp 1, Dept Gynecol, Beijing 100034, Peoples R China
6.Univ Texas MD Anderson Canc Ctr, Div Pathol & Lab Med, Houston, TX 77030 USA
7.Univ Texas MD Anderson Canc Ctr, Dept Hematopathol, Houston, TX 77030 USA
8.Chinese Acad Med Sci, Canc Inst & Hosp, Dept Immunol, Beijing 100021, Peoples R China
9.Univ British Columbia, Ctr Reprod Hlth, Androl Lab, Vancouver, BC V5Z 4H4, Canada
10.Med Univ S Carolina, Dept Microbiol & Immunol, Charleston, SC 29425 USA
推荐引用方式
GB/T 7714
Liao, Qinyuan,Liu, Wei,Liu, Yang,et al. Aberrant high expression of immunoglobulin G in epithelial stem/progenitor-like cells contributes to tumor initiation and metastasis[J]. ONCOTARGET,2015,6(37):40081-40094.
APA Liao, Qinyuan.,Liu, Wei.,Liu, Yang.,Wang, Fulin.,Wang, Chong.,...&Qiu, Xiaoyan.(2015).Aberrant high expression of immunoglobulin G in epithelial stem/progenitor-like cells contributes to tumor initiation and metastasis.ONCOTARGET,6(37),40081-40094.
MLA Liao, Qinyuan,et al."Aberrant high expression of immunoglobulin G in epithelial stem/progenitor-like cells contributes to tumor initiation and metastasis".ONCOTARGET 6.37(2015):40081-40094.
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