Hypoxia and autophagic response of obese adult rat adipocytes which differ in nutritional state during childhood

Research output: Contribution to journalArticle

Abstract

The prevalence of obesity in adults is increasing worldwide, which is problematic since obesity is associated with degenerative diseases. Nowadays Indonesia is facing an interesting phenomenon since there are adults who have been obese since childhood and others who conversely were undernourished while young. The biological differences of these two types of obesities are not well understood. This study aims to analyse the difference in the size and number of visceral adipocytes, HIF-1α, HIF-2α and MAP1LC3A/ LC3 in obese adult rat groups that were undernourished at a young age compared to groups who were normal or even already fat from childhood. We analyzed Hif-1α, Hif-2α, Lc3 mRNA by RT-qPCR; HIF-1α, HIF-2α, MAP1LC3A/LC3 protein level by ELISA. The HIF-1α and HIF-2α protein level of visceral adipocytes derived from the group of rat which were undernourished while young increased significantly compared to the group which was overnourished. The visceral adipocytes of the group which was overnourished since childhood showed an increase in Hif-2α mRNA level. The Lc3 mRNA of the rat group which were undernourished since young increased significantly compared to rat group which was obese since childhood.

Original languageEnglish
Pages (from-to)132-138
Number of pages7
JournalJournal of Clinical Biochemistry and Nutrition
Volume66
Issue number2
DOIs
Publication statusPublished - 1 Jan 2020

Keywords

  • Adipocyte hypertrophy
  • HIF-α
  • High-fat diet
  • LC3
  • Low-caloric diet

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