Hepatoprotective and neuroprotective effect of taxifolin on hepatic encephalopathy in rats

Okkay U., Okkay I., Çiçek B., Aydın İ. Ç., Özkaraca M.

METABOLIC BRAIN DISEASE, cilt.37, sa.5, ss.1541-1556, 2022 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 37 Sayı: 5
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1007/s11011-022-00952-3
  • Dergi Adı: METABOLIC BRAIN DISEASE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Agricultural & Environmental Science Database, BIOSIS, EMBASE, MEDLINE
  • Sayfa Sayıları: ss.1541-1556
  • Anahtar Kelimeler: Thioacetamide, Taxifolin, Inflammation, Apoptosis, Oxidative stress, Hepatic encephalopathy, INDUCED LIVER-INJURY, OXIDATIVE STRESS, INHIBITION, HYPERAMMONEMIA, INFLAMMATION, ANTIOXIDANT, IMPAIRMENT, MODULATION, APOPTOSIS
  • Atatürk Üniversitesi Adresli: Evet

Özet

This study was planned to assess the potential protective effects of taxifolin against thioacetamide-induced hepatic encephalopathy and subsequently to portray its behavioural results. The experimental model was induced with three doses of (200 mg/kg i.p.) thioacetamide and taxifolin (50 and 100 mg/kg, p.o.) was administered for fourteen days. Taxifolin effectively attenuated hepatic encephalopathy through decrease in AST, ALT, ALP and LDH concentrations and improvement of hyperammonemia, and increase in antioxidant capacity by decreasing MDA, ROS, and increasing CAT and GSH. In addition, the expressions of NF-kappa B, TNF-alpha, IL-1 beta, caspase-3 and Bax was down-regulated while IL-10 and Bcl-2 expressions were up-regulated with taxifolin treatment. The recovery was confirmed by downregulation of iNOS and 8-OHdG expressions in our immunohistochemical analysis. Taxifolin treatment reduced the disrupting role of thioacetamide as seen by corrected hyperammonemia as well as preservation of astrocyte and hepatocyte structure. Elevated plus maze and locomotor activity tests also proved that taxifolin might repeal the neurobehavioral disabilities. In conclusion, taxifolin has shown hepatoprotective and neuroprotective roles with antioxidant and anti-inflammatory effects, as well as suppressing the excessive release of ammonia, and it eventually reversed neurobehavioral impairments.