Hepatic apoptosis and ROS pathway proteins

The term "hepatic apoptosis and ROS pathway proteins" encompasses a collection of proteins involved in programmed cell death and oxidative stress signaling in liver cells. ROS, including free radicals like superoxide and hydrogen peroxide, are generated in hepatocytes by cellular metabolism and external insults (e.g., drugs, viruses, alcohol, ischemia/reperfusion). Excess ROS can damage lipids, DNA, and proteins, triggering mitochondrial dysfunction, endoplasmic reticulum stress, and apoptotic cascades involving cytochrome c, caspases (especially caspase-3 and -9), and Bcl-2 family proteins. Apoptosis may be modulated by various factors including p53, NF-κB, and NLRP3 inflammasome, linking oxidative stress to inflammation and fibrosis. These proteins play critical roles in the etiology and progression of liver diseases such as fibrosis, cirrhosis, steatosis, and hepatocellular carcinoma. Therapeutic interventions targeting this composite pathway aim to reduce oxidative injury, inhibit excessive apoptosis, or modulate the inflammatory response, but face challenges due to the interconnectedness and diversity of these molecular processes.

Inhibition of ROS generation; Scavenging of ROS; Blocking or modulating caspase-mediated apoptosis; Blocking inflammasome activation (e.g., NLRP3 inhibition); Inhibiting or activating specific transcription factors (e.g., NRF2 activators)