Mesenchymal stem cell-derived microRNAs: Friends or foes of tumor cells?

Harrell, Carl Randall; Djonov, Valentin; Volarevic, Vladislav (2023). Mesenchymal stem cell-derived microRNAs: Friends or foes of tumor cells? Histology and histopathology, 38(12), pp. 1373-1379. Universidad de Murcia 10.14670/HH-18-633

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Mesenchymal stem cell (MSC)-dependent biological effects in the tumor microenvironment mainly rely on the activity of MSC-sourced microRNAs (MSC-miRNAs) which modulate protein synthesis in target tumor cells, endothelial cells and tumor-infiltrated immune cells, regulating their phenotype and function. Several MSC-sourced miRNAs (miR-221, miR-23b, miR-21-5p, miR-222/223, miR-15a miR-424, miR-30b, miR-30c) possess tumor-promoting properties and are able to enhance viability, invasiveness and metastatic potential of malignant cells, induce proliferation and sprouting of tumor endothelial cells and suppress effector functions of cytotoxic tumor-infiltrated immune cells, crucially contributing to the rapid growth and progression of tumor tissue. On the contrary, MSCs also produce "anti-tumorigenic" miRNAs (miR-100, miR-222-3p, miR-146b miR-302a, miR-338-5p, miR-100-5p and miR-1246) which suppress tumor growth and progression by: Up-regulating expression of chemoresistance-related genes in tumor cells, by suppressing neo-angiogenesis and by inducing generation of tumorotoxic phenotypes in tumor-infiltrated lymphocytes. In this review article, we summarize the current knowledge about molecular mechanisms that are responsible for MSC-miRNA-dependent alterations of intracellular signaling in tumor and immune cells and we discuss different insights regarding the therapeutic potential of MSC-derived miRNAs in cancer treatment.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Anatomy

UniBE Contributor:

Djonov, Valentin Georgiev

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1699-5848

Publisher:

Universidad de Murcia

Language:

English

Submitter:

Pubmed Import

Date Deposited:

13 Jun 2023 09:21

Last Modified:

12 Dec 2023 00:12

Publisher DOI:

10.14670/HH-18-633

PubMed ID:

37306386

BORIS DOI:

10.48350/183361

URI:

https://boris.unibe.ch/id/eprint/183361

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