GLP1R and metabolic dysfunction-associated steatohepatitis: In terms of apoptosis inhibition, GLP-1 activates the PI3K/Akt signaling pathway, enhances the expression of the anti-apoptotic protein Bcl-2, and inhibits the activation of caspase family proteins, reducing cell apoptosis.206 This helps prevent the progression of NASH to liver fibrosis and cirrhosis.