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转化生长因子-β(TGF-β)与免疫细胞:肿瘤微环境和进展中的重要调节轴。

TGF-beta and immune cells: an important regulatory axis in the tumor microenvironment and progression.

机构信息

Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20876, USA.

出版信息

Trends Immunol. 2010 Jun;31(6):220-7. doi: 10.1016/j.it.2010.04.002. Epub 2010 Jun 1.

Abstract

Transforming growth factor beta (TGF-beta) plays an important role in tumor initiation and progression, functioning as both a suppressor and a promoter. The mechanisms underlying this dual role of TGF-beta remain unclear. TGF-beta exerts systemic immune suppression and inhibits host immunosurveillance. Neutralizing TGF-beta enhances CD8+ T-cell- and NK-cell-mediated anti-tumor immune responses. It also increases neutrophil-attracting chemokines resulting in recruitment and activation of neutrophils with an antitumor phenotype. In addition to its systemic effects, TGF-beta regulates infiltration of inflammatory/immune cells and cancer-associated fibroblasts in the tumor microenvironment causing direct changes in tumor cells. Understanding TGF-beta regulation at the interface of tumor and host immunity should provide insights into developing effective TGF-beta antagonists and biomarkers for patient selection and efficacy of TGF-beta antagonist treatment.

摘要

转化生长因子β(TGF-β)在肿瘤的发生和发展中起着重要作用,既是抑制因子又是促进因子。TGF-β这种双重作用的机制尚不清楚。TGF-β发挥全身免疫抑制作用,抑制宿主免疫监视。中和 TGF-β可增强 CD8+T 细胞和 NK 细胞介导的抗肿瘤免疫反应。它还增加了吸引中性粒细胞的趋化因子,导致具有抗肿瘤表型的中性粒细胞募集和激活。除了全身作用外,TGF-β还调节肿瘤微环境中炎症/免疫细胞和癌相关成纤维细胞的浸润,导致肿瘤细胞的直接变化。了解肿瘤与宿主免疫界面的 TGF-β调节,应可为开发有效的 TGF-β拮抗剂和生物标志物,用于患者选择和 TGF-β拮抗剂治疗的疗效提供思路。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f841/2891151/ef332e743d13/nihms210060f1.jpg

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