Role of the complement system in the tumor microenvironment

Abstract The complement system has traditionally been considered a component of innate immunity against invading pathogens and “nonself” cells. Recent studies have demonstrated the immunoregulatory functions of complement activation in the tumor microenvironment (TME). The TME plays crucial roles in...

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Main Authors: Ronghua Zhang, Qiaofei Liu, Tong Li, Quan Liao, Yupei Zhao
Format: Article
Language:English
Published: BMC 2019-11-01
Series:Cancer Cell International
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12935-019-1027-3
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author Ronghua Zhang
Qiaofei Liu
Tong Li
Quan Liao
Yupei Zhao
author_facet Ronghua Zhang
Qiaofei Liu
Tong Li
Quan Liao
Yupei Zhao
author_sort Ronghua Zhang
collection DOAJ
description Abstract The complement system has traditionally been considered a component of innate immunity against invading pathogens and “nonself” cells. Recent studies have demonstrated the immunoregulatory functions of complement activation in the tumor microenvironment (TME). The TME plays crucial roles in tumorigenesis, progression, metastasis and recurrence. Imbalanced complement activation and the deposition of complement proteins have been demonstrated in many types of tumors. Plasma proteins, receptors, and regulators of complement activation regulate several biological functions of stromal cells in the TME and promote the malignant biological properties of tumors. Interactions between the complement system and cancer cells contribute to the proliferation, epithelial-mesenchymal transition, migration and invasion of tumor cells. In this review, we summarize recent advances related to the function of the complement system in the TME and discuss the therapeutic potential of targeting complement-mediated immunoregulation in cancer immunotherapy.
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spelling doaj.art-9d410bfe9a1d4147a3929688f5e37fef2022-12-21T17:58:03ZengBMCCancer Cell International1475-28672019-11-0119111210.1186/s12935-019-1027-3Role of the complement system in the tumor microenvironmentRonghua Zhang0Qiaofei Liu1Tong Li2Quan Liao3Yupei Zhao4Department of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDepartment of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDepartment of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDepartment of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesDepartment of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical SciencesAbstract The complement system has traditionally been considered a component of innate immunity against invading pathogens and “nonself” cells. Recent studies have demonstrated the immunoregulatory functions of complement activation in the tumor microenvironment (TME). The TME plays crucial roles in tumorigenesis, progression, metastasis and recurrence. Imbalanced complement activation and the deposition of complement proteins have been demonstrated in many types of tumors. Plasma proteins, receptors, and regulators of complement activation regulate several biological functions of stromal cells in the TME and promote the malignant biological properties of tumors. Interactions between the complement system and cancer cells contribute to the proliferation, epithelial-mesenchymal transition, migration and invasion of tumor cells. In this review, we summarize recent advances related to the function of the complement system in the TME and discuss the therapeutic potential of targeting complement-mediated immunoregulation in cancer immunotherapy.http://link.springer.com/article/10.1186/s12935-019-1027-3Complement systemTumor microenvironmentImmunoregulationImmunotherapy
spellingShingle Ronghua Zhang
Qiaofei Liu
Tong Li
Quan Liao
Yupei Zhao
Role of the complement system in the tumor microenvironment
Cancer Cell International
Complement system
Tumor microenvironment
Immunoregulation
Immunotherapy
title Role of the complement system in the tumor microenvironment
title_full Role of the complement system in the tumor microenvironment
title_fullStr Role of the complement system in the tumor microenvironment
title_full_unstemmed Role of the complement system in the tumor microenvironment
title_short Role of the complement system in the tumor microenvironment
title_sort role of the complement system in the tumor microenvironment
topic Complement system
Tumor microenvironment
Immunoregulation
Immunotherapy
url http://link.springer.com/article/10.1186/s12935-019-1027-3
work_keys_str_mv AT ronghuazhang roleofthecomplementsysteminthetumormicroenvironment
AT qiaofeiliu roleofthecomplementsysteminthetumormicroenvironment
AT tongli roleofthecomplementsysteminthetumormicroenvironment
AT quanliao roleofthecomplementsysteminthetumormicroenvironment
AT yupeizhao roleofthecomplementsysteminthetumormicroenvironment