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Juni, Rio P.; Kocken, Jordy M.M.; Abreu, Ricardo C.; Ottaviani, Lara; Davalan, Tim; Duygu, Burcu; Poels, Ella M.; Vasilevich, Aliaksei; Hegenbarth, Jana C.; Appari, Mahesh; Bitsch, Nicole; Olieslagers, Serve; Schrijvers, Dorien M.; Stoll, Monika; Heineke, Joerg; de Boer, Jan; de Windt, Leon J.; da Costa Martins, Paula A.
Molecular therapy, 06/2023, Letnik: 31, Številka: 6Journal Article
While it is experimentally supported that impaired myocardial vascularization contributes to a mismatch between myocardial oxygen demand and supply, a mechanistic basis for disruption of coordinated tissue growth and angiogenesis in heart failure remains poorly understood. Silencing strategies that impair microRNA biogenesis have firmly implicated microRNAs in the regulation of angiogenesis, and individual microRNAs prove to be crucial in developmental or tumor angiogenesis. A high-throughput functional screening for the analysis of a whole-genome microRNA silencing library with regard to their phenotypic effect on endothelial cell proliferation as a key parameter, revealed several anti- and pro-proliferative microRNAs. Among those was miR-216a, a pro-angiogenic microRNA which is enriched in cardiac microvascular endothelial cells and reduced in expression under cardiac stress conditions. miR-216a null mice display dramatic cardiac phenotypes related to impaired myocardial vascularization and unbalanced autophagy and inflammation, supporting a model where microRNA regulation of microvascularization impacts the cardiac response to stress. Display omitted Da Costa Martins and colleagues identified miR-216a as a pro-angiogenic microRNA, enriched in cardiac microvascular endothelial cells and downregulated under cardiac stress conditions. miR-216a null mice display dramatic cardiac phenotypes related to impaired myocardial vascularization due to unbalanced autophagy and inflammation, supporting a model where microRNA regulation of microvascularization impacts the cardiac response to stress.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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