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Objective To investigate the effect of siRNA against PTP-1B on neonatal rat cardiac myocyte apoptosis induced by hypoxia-reoxygenation (H/R) and its molecular mechanisms. Methods Isolated neonatal and adult rat cardiac myocytes were cultured for 24 h after PTP-1B siRNA transfection, and with 2, 4 and 6 h of hypoxia followed by 6 h of reoxygenation (H/R). The cardiac myocyte apoptosis induced by...
The TNF-related apoptosis-inducing ligand (TRAIL) has recently been implicated in the death of hepatocytes under infectious but not normal conditions. Infectious agents, such as hepatitis B virus (HBV), may play important roles in regulating the sensitivity of hepatocytes to TRAIL. Our previous studies showed that HBx, a protein encoded by the HBV genome, enhanced TRAIL-induced apoptosis through upregulating...
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