The novel effect of propranolol in glibenclamide induced hepatotoxicity.
2020
Glibenclamide (GBC) has been associated with hepatotoxicity in humans. This study conducted on rabbits to evaluate the hepatotoxicity of GBC alone and in combination therapy with propranolol (PPL). Liver enzymes like alanine transaminase (ALT), alkaline phosphatase (ALP) and gamma-glutamyltransferase (γ-GT) and bilirubin (BRB) are used to evaluate hepatotoxicity associated with GBC. Histological findings, micrometry and scanning electron microscopy (SEM) used to find hepatotoxicity by GBC and with PPL. GBC caused significant elevation of liver functions as compared to control (p<0.005). PPL reduced the level of serum ALT, ALP, γGT and BRB when administered with GBC (p<0.005). The results prevailed that there is a significant change in hepatic cells structure and significant change in its diameter of nucleus (p<0.05). The necrosis and granuloma with decreased in number of hepatic cells were observed in GBC treated rabbits. However, the combination of GBC with PPL has shown healthy and nearly similar structure as that of controlled group and confirmed by SEM microscopy. PPL reduced the blood flow to hepatic portal system and thus, avoid the noxious substances to liver. It is affirmed that the use of PPL offered beneficial effect on hepatotoxic drugs.
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