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CD95L and Anti-Tumor Immune Response: Current Understanding and New Evidence

Authors Richards DM, Merz C, Gieffers C, Krendyukov A

Received 18 December 2020

Accepted for publication 14 February 2021

Published 16 March 2021 Volume 2021:13 Pages 2477—2482


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Eileen O'Reilly

David M Richards, Christian Merz, Christian Gieffers, Andriy Krendyukov

Apogenix AG, Heidelberg, Germany

Correspondence: Andriy Krendyukov Tel +49 6221 5860877
Email [email protected]

Abstract: The ability of FasL/CD95L to induce apoptosis in various Fas/CD95-expressing cells has been described in the context of hematopoiesis or thymic elimination of self-reactive T cells and resolution of an acute immune response under physiological conditions. At the same time, non-apoptotic CD95 activation is widely described in cancer and shown to stimulate invasiveness of cancer cells, promote cancer progression as well as stemness of cancer cells. This paper puts emphasis on the evolving understanding of expression and the non-apoptotic activities of the CD95/CD95L signaling pathway on the function of tumor cells, tumor microenvironment and immune cells. The emerging evidence to support the role of CD95/CD95L signaling in the anti-tumor immune response will be presented in the context of various malignancies and the modalities of potential therapeutic interventions via selective CD95L inhibition in combination with traditional interventions such as RT, chemotherapy and immune checkpoint inhibitors.

Keywords: FasL/CD95L, anti-tumor immune response, immune checkpoint, tumor microenvironment, novel therapeutic target

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