2.3. Compounds Involved in Fatty Acid Metabolism i.e., β-HAD, CS, COX4/1, FAS, SREBP-1c, GPAT1, FAT/CD36, LPL, and FABP4 at the Transcript (mRNA) and Protein Levels in Myocardium and Perivascular Adipose Tissue of CAD and NCAD Patients. The gene discussed is COX4I1; the disease is coronary artery disorder.