Stress National Center for Biotechnology Information NCBI NLM MEDLINE animals pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't male Cells Cultured Myocytes Cardiac / physiology Rats Sprague-Dawley physiological cyclic amp / metabolism heart rate* rna-binding proteins / metabolism* pmid:32212953 doi:10.1161/circresaha.119.316322 duanyang xie li geng yi-han chen adrenergic beta-agonists / pharmacology cold shock proteins and peptides / genetics cold shock proteins and peptides / metabolism* cyclic nucleotide phosphodiesterases type 4 / genetics type 4 / metabolism* isoproterenol / pharmacology cardiac / drug effects cardiac / metabolism* phosphodiesterase inhibitors / pharmacology rna stability rna-binding proteins / genetics rolipram / pharmacology sinoatrial node / cytology sinoatrial node / metabolism sinoatrial node / physiology