Mesenchymal stem cell-glioblastoma interactions mediated via kinin receptors unveiled by cytometry.

Glioblastoma (GBM) is one of the most malignant and devastating brain tumors. The presence of highly therapy-resistant GBM cell subpopulations within the tumor mass, rapid invasion into brain tissues and reciprocal interactions with stromal cells in the tumor microenvironment contributes to an inevitable fatal prognosis for the patients. We highlight the most recent evidence of GBM cell crosstalk with mesenchymal stem cells (MSCs), which occurs either by direct cell-cell interactions via gap junctions and microtubules or cell fusion. MSCs and GBM paracrine interactions are commonly observed and involve cytokine signaling, regulating MSC tropism toward GBM, their intra-tumoral distribution, and immune system responses. MSC-promoted effects depending on their cytokine and receptor expression patterns are considered critical for GBM progression. MSC origin, tumor heterogeneity and plasticity may also determine the outcome of such interactions. Kinins and kinin-B1 and -B2 receptors play important roles in information flow between MSCs and GBM cells. Kinin-B1 receptor activity favors tumor migration and fusion of MSCs and GBM cells. Flow and image (tissue) cytometry are powerful tools to investigate GBM cell and MSC crosstalk and are applied to analyze and characterize several other cancer types. © 2020 International Society for Advancement of Cytometry.

Citation

Micheli Mainardi Pillat, Ágatha Oliveira-Giacomelli, Mona das Neves Oliveira, Roberta Andrejew, Natalia Turrini, Juliana Baranova, Tamara Lah Turnšek, Henning Ulrich. Mesenchymal stem cell-glioblastoma interactions mediated via kinin receptors unveiled by cytometry. Cytometry. Part A : the journal of the International Society for Analytical Cytology. 2021 Feb;99(2):152-163

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PMID: 33438373

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