Intracardiac injection of Cyclin helix B peptide (CHBP) protects against Myocardial infarction: Cyclin helix B peptide (CHBP) inhibits DNA damage responses, induces telomerase expression, inhibits telomere shortening, and promotes cardiomyocyte survival after myocardial infarction, via up-regulation of PNUTS, 9/April/2019, 11.56 pm