Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer

Growing evidence suggests that the immune component of the tumor microenvironment (TME) may be highly involved in the progression of high-grade serous ovarian cancer (HGSOC), as an immunosuppressive TME is associated with worse patient outcomes. Due to the poor prognosis of HGSOC, new therapeutic st...

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Main Authors: Faye K. Tsogas, Daniel Majerczyk, Peter C. Hart
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/22/2/867
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author Faye K. Tsogas
Daniel Majerczyk
Peter C. Hart
author_facet Faye K. Tsogas
Daniel Majerczyk
Peter C. Hart
author_sort Faye K. Tsogas
collection DOAJ
description Growing evidence suggests that the immune component of the tumor microenvironment (TME) may be highly involved in the progression of high-grade serous ovarian cancer (HGSOC), as an immunosuppressive TME is associated with worse patient outcomes. Due to the poor prognosis of HGSOC, new therapeutic strategies targeting the TME may provide a potential path forward for preventing disease progression to improve patient survival. One such postulated approach is the repurposing of the type 2 diabetes medication, metformin, which has shown promise in reducing HGSOC tumor progression in retrospective epidemiological analyses and through numerous preclinical studies. Despite its potential utility in treating HGSOC, and that the immune TME is considered as a key factor in the disease’s progression, little data has definitively shown the ability of metformin to target this component of the TME. In this brief review, we provide a summary of the current understanding of the effects of metformin on leukocyte function in ovarian cancer and, coupled with data from other related disease states, posit the potential mechanisms by which the drug may enhance the anti-tumorigenic effects of immune cells to improve HGSOC patient survival.
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spelling doaj.art-3c7dcb75808f45c19db2852e038d21ea2023-12-03T13:30:50ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-01-0122286710.3390/ijms22020867Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian CancerFaye K. Tsogas0Daniel Majerczyk1Peter C. Hart2College of Science, Health and Pharmacy, Roosevelt University, Schaumburg, IL 60173, USACollege of Science, Health and Pharmacy, Roosevelt University, Schaumburg, IL 60173, USACollege of Science, Health and Pharmacy, Roosevelt University, Schaumburg, IL 60173, USAGrowing evidence suggests that the immune component of the tumor microenvironment (TME) may be highly involved in the progression of high-grade serous ovarian cancer (HGSOC), as an immunosuppressive TME is associated with worse patient outcomes. Due to the poor prognosis of HGSOC, new therapeutic strategies targeting the TME may provide a potential path forward for preventing disease progression to improve patient survival. One such postulated approach is the repurposing of the type 2 diabetes medication, metformin, which has shown promise in reducing HGSOC tumor progression in retrospective epidemiological analyses and through numerous preclinical studies. Despite its potential utility in treating HGSOC, and that the immune TME is considered as a key factor in the disease’s progression, little data has definitively shown the ability of metformin to target this component of the TME. In this brief review, we provide a summary of the current understanding of the effects of metformin on leukocyte function in ovarian cancer and, coupled with data from other related disease states, posit the potential mechanisms by which the drug may enhance the anti-tumorigenic effects of immune cells to improve HGSOC patient survival.https://www.mdpi.com/1422-0067/22/2/867ovarian cancermetforminomentumtumor microenvironmentT cellmyeloid-derived suppressor cell
spellingShingle Faye K. Tsogas
Daniel Majerczyk
Peter C. Hart
Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer
International Journal of Molecular Sciences
ovarian cancer
metformin
omentum
tumor microenvironment
T cell
myeloid-derived suppressor cell
title Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer
title_full Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer
title_fullStr Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer
title_full_unstemmed Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer
title_short Possible Role of Metformin as an Immune Modulator in the Tumor Microenvironment of Ovarian Cancer
title_sort possible role of metformin as an immune modulator in the tumor microenvironment of ovarian cancer
topic ovarian cancer
metformin
omentum
tumor microenvironment
T cell
myeloid-derived suppressor cell
url https://www.mdpi.com/1422-0067/22/2/867
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