Inside-Out of Complement in Cancer

The role of complement in cancer has received increasing attention over the last decade. Recent studies provide compelling evidence that complement accelerates cancer progression. Despite the pivotal role of complement in fighting microbes, complement seems to suppress antitumor immunity via regulat...

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Vydáno v:Frontiers in immunology Ročník 13; s. 931273
Hlavní autoři: Kolev, Martin, Das, Madhumita, Gerber, Monica, Baver, Scott, Deschatelets, Pascal, Markiewski, Maciej M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Frontiers Media S.A 01.07.2022
Témata:
biomarkers
cancer
extracellular complement
Immunology
intracellular complement
therapy
tumor microenvironment
ISSN:1664-3224, 1664-3224
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Shrnutí:The role of complement in cancer has received increasing attention over the last decade. Recent studies provide compelling evidence that complement accelerates cancer progression. Despite the pivotal role of complement in fighting microbes, complement seems to suppress antitumor immunity via regulation of host cell in the tumor microenvironment. Although most studies link complement in cancer to complement activation in the extracellular space, the discovery of intracellular activation of complement, raises the question: what is the relevance of this process for malignancy? Intracellular activation is pivotal for the survival of immune cells. Therefore, complement can be important for tumor cell survival and growth regardless of the role in immunosuppression. On the other hand, because intracellular complement (the complosome) is indispensable for activation of T cells, these functions will be essential for priming antitumor T cell responses. Here, we review functions of complement in cancer with the consideration of extra and intracellular pathways of complement activation and spatial distribution of complement proteins in tumors and periphery and provide our take on potential significance of complement as biomarker and target for cancer therapy.
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Reviewed by: Lubka T. Roumenina, U1138 Centre de Recherche des Cordeliers (CRC) (INSERM), France; Maciej Cedzynski, Institute for Medical Biology (PAN), Poland
Edited by: Katy Rezvani, University of Texas MD Anderson Cancer Center, United States
This article was submitted to Cancer Immunity and Immunotherapy, a section of the journal Frontiers in Immunology
ISSN:1664-3224
1664-3224
DOI:10.3389/fimmu.2022.931273