Mesenchymal stromal cells derived from cervical cancer tumors induce TGF-β1 expression and IL-10 expression and secretion in the cervical cancer cells, resulting in protection from cytotoxic T cell activity

Cytokine
Rosario García-RochaAlberto Monroy-García

Abstract

Cervical cancer (CeCa) tumors are characterized by increased expression of TGF-β1 and IL-10, which are correlated with downregulated expression of major histocompatibility complex class I antigens (HLA-I) on cancer cells and a reduced immune response mediated by cytotoxic T lymphocytes (CTLs). Mesenchymal stromal cells (MSCs) are important components in the tumor microenvironment that have been suggested to contribute to cancer progression through the induction of TGF-β1 and IL-10. In this study, we provided evidence that MSCs derived from cervical tumors (CeCa-MSCs) cocultured with CeCa cells induced significant expression of TGF-β1 and secretion of IL-10 by CeCa cells compared to MSCs derived from the normal cervix (NCx-MSCs) and normal bone marrow (BM-MSCs; gold standard). This increase in expression was associated with a significant downregulation of HLA-I molecules and protection of the cells against specific CTL lysis. Interestingly, the addition of the neutralizing antibody anti-TGF-β to the CeCa/CeCa-MSCs coculture strongly inhibited the expression and production of IL-10 by CeCa cells. Anti-TGF-β as well as anti-IL-10 also abolished HLA-I downregulation, and reversed the inhibition of CTL cytotoxicity. These results pr...Continue Reading

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Citations

Oct 27, 2016·Journal of Translational Medicine·María de Lourdes Mora-GarcíaAlberto Monroy-García
Nov 22, 2017·Journal of Functional Biomaterials·Bipin GaihreAmbalangodage C Jayasuriya
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Mar 2, 2021·Medicinal Research Reviews·Bruna C GalgaroMárcia R Wink
Apr 19, 2019·Pharmacology & Therapeutics·Ilio VitaleLorenzo Galluzzi

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