... 24:920-925.26. Lee SD, Kuo WW, Lin DY, Chen TH, Kuo WH, Hsu HH, Chen JZ, Liu JY,Yeh YL, Huang CY: Role of calcineurin in Porphyromonas gingivalis-induced myocardial cell hypertrophy and apoptosis. J Biomed ... the HO-1 inhibitor zinc-protoporph yrin(ZnPP, Porphyrin Products, Logan, UT, USA) at a con-centration of 50 μmol/kg/day, starting two days before and continuing until 7 days after the HO-1-MSCs ... respectively injected into rat hearts intramyoc ardially at 1 h post-myocardial infarction. The results showed thatHO-1-MSCs were able to induce stable expression of HO-1 in vitro and in vivo....