1. Hepatoprotective effects of Nigella sativa seed extract against acetaminophen-induced oxidative stress
Gareeballa Osman ADAM ; Gareeballa Osman ADAM ; Md. Mahbubur RAHMAN ; Gi-Beum KIM ; Hyung-Sub KANG ; Jin-Shang KIM ; Shang-Jin KIM ; Sei-Jin LEE
Asian Pacific Journal of Tropical Medicine 2016;9(3):221-227
Objective: To investigate the protective effects of Nigella sativa seed extract (NSSE) against acetaminophen (APAP)-induced hepatotoxicity in TIB-73 cells and rats. Methods: Toxicity in TIB-73 cells was induced with 10 μmol/L APAP and the protective effects of NSSE were evaluated at 25, 50, 75, 100 μg/mL. For in vivo examination, a total of 30 rats were equally divided into five experimental groups; normal control (vehicle), APAP (800 mg/kg body weight single IP injection) as a hepatotoxic control, and three APAP and NS pretreated (2 weeks) groups (APAP + NSSE 100 mg; APAP + NSSE 300 mg and APAP + NSSE 900 mg/kg). Results: TIB-73 cell viability was drastically decreased by (49.0 ± 1.9)% after the 10 μmol/LAPAP treatment, which also increased reactive oxygen species production. Co-treatment with NSSE at 25, 50, 75, and 100 μg/mL significantly improved cell viability and suppressed reactive oxygen species generation. In vivo, the APAP induced alterations in blood lactate levels, pH, anionic gap, and ion levels (HCO
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