Hajjar RJ, Akar FG. Regression of Cardiac Hypertrophy by Cyclic Guanosine Monophosphate-Dependent Protein Kinase Signaling Are Myocytes Active Sources or Mere Beneficiaries?⁎⁎Editorials published in the Journal of the American College of Cardiology reflect the views of the authors and do not necessarily represent the views of JACC or the American College of Cardiology. Journal Of The American College Of Cardiology 2010, 56: 2031-2032. PMID: 20970281, DOI: 10.1016/j.jacc.2010.09.005.Commentaries, Editorials and Letters