Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells

Cannabinoid (CB) receptors (CB1 and CB2) are expressed on cancer cells and their expression influences carcinogenesis in various tumor entities. Cells of the tumor microenvironment (TME) also express CB receptors, however, their role in tumor development is still unclear. We, therefore, investigated...

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Main Authors: Arailym Sarsembayeva, Melanie Kienzl, Eva Gruden, Dusica Ristic, Kathrin Maitz, Paulina Valadez-Cosmes, Ana Santiso, Carina Hasenoehrl, Luka Brcic, Jörg Lindenmann, Julia Kargl, Rudolf Schicho
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-01-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2022.997115/full
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author Arailym Sarsembayeva
Melanie Kienzl
Eva Gruden
Dusica Ristic
Kathrin Maitz
Paulina Valadez-Cosmes
Ana Santiso
Carina Hasenoehrl
Luka Brcic
Jörg Lindenmann
Julia Kargl
Rudolf Schicho
Rudolf Schicho
author_facet Arailym Sarsembayeva
Melanie Kienzl
Eva Gruden
Dusica Ristic
Kathrin Maitz
Paulina Valadez-Cosmes
Ana Santiso
Carina Hasenoehrl
Luka Brcic
Jörg Lindenmann
Julia Kargl
Rudolf Schicho
Rudolf Schicho
author_sort Arailym Sarsembayeva
collection DOAJ
description Cannabinoid (CB) receptors (CB1 and CB2) are expressed on cancer cells and their expression influences carcinogenesis in various tumor entities. Cells of the tumor microenvironment (TME) also express CB receptors, however, their role in tumor development is still unclear. We, therefore, investigated the role of TME-derived CB1 and CB2 receptors in a model of non-small cell lung cancer (NSCLC). Leukocytes in the TME of mouse and human NSCLC express CB receptors, with CB2 showing higher expression than CB1. In the tumor model, using CB1- (CB1-/-) and CB2-knockout (CB2-/-) mice, only deficiency of CB2, but not of CB1, resulted in reduction of tumor burden vs. wild type (WT) littermates. This was accompanied by increased accumulation and tumoricidal activity of CD8+ T and natural killer cells, as well as increased expression of programmed death-1 (PD-1) and its ligand on lymphoid and myeloid cells, respectively. CB2-/- mice responded significantly better to anti-PD-1 therapy than WT mice. The treatment further increased infiltration of cytotoxic lymphocytes into the TME of CB2-/- mice. Our findings demonstrate that TME-derived CB2 dictates the immune cell recruitment into tumors and the responsiveness to anti-PD-1 therapy in a model of NSCLC. CB2 could serve as an adjuvant target for immunotherapy.
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spelling doaj.art-8fc695dd4a07458a91b2e4e48bd4b41a2023-01-09T11:39:46ZengFrontiers Media S.A.Frontiers in Immunology1664-32242023-01-011310.3389/fimmu.2022.997115997115Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cellsArailym Sarsembayeva0Melanie Kienzl1Eva Gruden2Dusica Ristic3Kathrin Maitz4Paulina Valadez-Cosmes5Ana Santiso6Carina Hasenoehrl7Luka Brcic8Jörg Lindenmann9Julia Kargl10Rudolf Schicho11Rudolf Schicho12Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDiagnostic and Research Institute of Pathology, Medical University of Graz, Graz, AustriaDivision of Thoracic and Hyperbaric Surgery, Department of Surgery, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaDivision of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, AustriaBioTechMed, Graz, AustriaCannabinoid (CB) receptors (CB1 and CB2) are expressed on cancer cells and their expression influences carcinogenesis in various tumor entities. Cells of the tumor microenvironment (TME) also express CB receptors, however, their role in tumor development is still unclear. We, therefore, investigated the role of TME-derived CB1 and CB2 receptors in a model of non-small cell lung cancer (NSCLC). Leukocytes in the TME of mouse and human NSCLC express CB receptors, with CB2 showing higher expression than CB1. In the tumor model, using CB1- (CB1-/-) and CB2-knockout (CB2-/-) mice, only deficiency of CB2, but not of CB1, resulted in reduction of tumor burden vs. wild type (WT) littermates. This was accompanied by increased accumulation and tumoricidal activity of CD8+ T and natural killer cells, as well as increased expression of programmed death-1 (PD-1) and its ligand on lymphoid and myeloid cells, respectively. CB2-/- mice responded significantly better to anti-PD-1 therapy than WT mice. The treatment further increased infiltration of cytotoxic lymphocytes into the TME of CB2-/- mice. Our findings demonstrate that TME-derived CB2 dictates the immune cell recruitment into tumors and the responsiveness to anti-PD-1 therapy in a model of NSCLC. CB2 could serve as an adjuvant target for immunotherapy.https://www.frontiersin.org/articles/10.3389/fimmu.2022.997115/fullCB1CB2cannabinoid receptorsnon-small cell lung cancertumor microenvironmentCD8+ T cells
spellingShingle Arailym Sarsembayeva
Melanie Kienzl
Eva Gruden
Dusica Ristic
Kathrin Maitz
Paulina Valadez-Cosmes
Ana Santiso
Carina Hasenoehrl
Luka Brcic
Jörg Lindenmann
Julia Kargl
Rudolf Schicho
Rudolf Schicho
Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells
Frontiers in Immunology
CB1
CB2
cannabinoid receptors
non-small cell lung cancer
tumor microenvironment
CD8+ T cells
title Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells
title_full Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells
title_fullStr Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells
title_full_unstemmed Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells
title_short Cannabinoid receptor 2 plays a pro-tumorigenic role in non-small cell lung cancer by limiting anti-tumor activity of CD8+ T and NK cells
title_sort cannabinoid receptor 2 plays a pro tumorigenic role in non small cell lung cancer by limiting anti tumor activity of cd8 t and nk cells
topic CB1
CB2
cannabinoid receptors
non-small cell lung cancer
tumor microenvironment
CD8+ T cells
url https://www.frontiersin.org/articles/10.3389/fimmu.2022.997115/full
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