(i,j) Mcip1.4 (i) and atrogin-1 (j) mRNA levels in WT and miR-212/132 null (KO) mice 3 weeks after transaortic constriction (TAC) or Sham operation (n=5-7 per group). All values represent mean±s.e.m. *P0.05; **P0.01; ***P0.005. #P0.05 compared with WT TAC. FC, fold change. 