THE INCREASED OF CARBONIC ANHYDRASE IN LIVER TISSUE OF RAT INDUCED BY CHRONIC SYSTEMIC HYPOXIA

Rahmawati Ridwan, Febriana Catur Iswanti, Mohamad Sadikin

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Carbonic anhydrases (CAs) are metalloenzymes which catalyze the reversible hydration/dehydration reaction of CO2, in order to maintain the cell homeostasis. These enzymes are found in various tissues and involve in a number of different physiological processes, including ion transport, acid-base balance, bone formation, gluconeogenesis and so on. Objective: To examine the specific activity of CA and to observe the liver tissue respond to oxidative stress by measured the malondialdehyde (MDA) concentration, in rat liver tissue induced by chronic systemic hypoxia for 1, 3, 5, 7 and 14 days of hypoxia. Results: The study showed that the activity of CA which induced by chronic systemic hypoxia significantly increasing at early exposure to the hypoxic condition, at day 1 and days 3 of hypoxia (0.281 and 0.262 nmol/mg protein/minute compared to control 0.155 nmol/mg protein/minute) (p<0.05). No statistically difference at treatments of hypoxia 5, 7 and 14 days. The concentration of MDA also increased significantly in day 3 of liver tissue hypoxia (0.013 nmol/mg compared to control 0.009 nmol/mg liver tissue) (p<0.05), and no statistically differences at day 1, 5, 7, and 14 days of hypoxia. Conclusion : There was damage of membrane cells affected by oxidative stress in liver tissue of rat induced by chronic systemic hypoxia.
Original languageEnglish
Pages (from-to)1-6
JournalActa Biochimica Indonesiana
Volume1
Issue number1
DOIs
Publication statusPublished - 2018

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