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How Does Complement Affect Hematological Malignancies: From Basic Mechanisms to Clinical Application.


ABSTRACT: Complement, as a central immune surveillance system, can be activated within seconds upon stimulation, thereby displaying multiple immune effector functions. However, in pathologic scenarios (like in tumor progression), activated complement can both display protective effects to control tumor development and passively promotes the tumor growth. Clinical investigations show that patients with several hematological malignancies often display abnormal level of specific complement components, which in turn modulates complement activation or deregulated cascade. In the past decades, complement-dependent cytotoxicity and complement-dependent cell-mediated phagocytosis were fully approved to display vital roles in monoclonal antibody-based immunotherapies, especially in therapies against hematological malignancies. However, tumor-mediated complement evasion presents a big challenge for such a therapy. This review aims to provide an integrative overview on the roles of the complement in tumor promotion, highlights complement mediated effects on antibody-based immunotherapy against distinct hematological tumors, hopefully provides a theoretical basis for the development of complement-based cancer targeted therapies.

SUBMITTER: Luo S 

PROVIDER: S-EPMC7658260 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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How Does Complement Affect Hematological Malignancies: From Basic Mechanisms to Clinical Application.

Luo Shanshan S   Wang Moran M   Wang Huafang H   Hu Desheng D   Zipfel Peter F PF   Hu Yu Y  

Frontiers in immunology 20201029


Complement, as a central immune surveillance system, can be activated within seconds upon stimulation, thereby displaying multiple immune effector functions. However, in pathologic scenarios (like in tumor progression), activated complement can both display protective effects to control tumor development and passively promotes the tumor growth. Clinical investigations show that patients with several hematological malignancies often display abnormal level of specific complement components, which  ...[more]

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