Using RT-qPCR, the levels of mRNA expression of the following genes were assessed in mice hearts: LTBP2, ASPN, ISLR, MFAP4, FNDC1, PODN, HTRA1, and FAP (DCM group, n = 5; control group, n = 5). The gene discussed is LTBP2; the disease is familial dilated cardiomyopathy.