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Recent studies highlight a prominent role of human lung pericytes in lung diseases. However, human lung pericytes usually stop growth within ten passages. This study successfully established an immortalized human lung pericyte cell line, which exhibited sustained proliferation, retained pericyte characteristics and function, is a promising tool for in vitro pericyte studies.
In this study, the authors reveal that the hypoxic microenvironment stimulates glioma to generate miR-1246- and miR-10b-5p-rich exosomes, which are delivered to normoxic glioma cells to promote their migration and invasion by targeting FRK and TFAP2A respectively. Treatment targeting the exosomes and microRNAs may impair the motility of gliomas, providing a novel direction for the development of antitumor therapy.
The abnormal differentiation of Th17 cells is a vital promoter of immune thrombocytopenia (ITP) progression. In this study, the authors found that miR-199a-5p is downregulated during ITP. Supplementation of extracellular vesicles (EVs) derived from miR-199a-5p-modified ADSCs markedly repress Th17 differentiation by transferring miR-199a-5p to CD4+T cells, thus ameliorating experimental ITP.