Decrease in Irisin in Patients with Chronic Kidney Disease

Ming Shien Wen*, Chao Yung Wang, Shuei Liong Lin, Kuo Chun Hung

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

159 Scopus citations

Abstract

Patients with chronic kidney disease have abnormal energy expenditure and metabolism. The mechanisms underlying altered energy expenditure in uremia are unknown and remain to be elucidated. Irisin is a peroxisome proliferator-activated receptor γ coactivator 1-α-dependent myokine, and it increases energy expenditure in the absence of changes in food intake or activity. We hypothesize that chronic kidney disease patients have altered irisin levels. We measured resting irisin levels in 38 patients with stage 5 chronic kidney disease and in 19 age- and sex-matched normal subjects. Plasma irisin levels were significantly decreased in chronic kidney disease patients (58.59%; 95% CI 47.9%-69.2%, p<0.0001). The decrease in irisin levels was inversely correlated with the levels of blood urea nitrogen and creatinine. Further association analysis revealed that irisin level is independently associated with high-density lipoprotein cholesterol level. Our results suggest that chronic kidney disease patients have lower than normal irisin levels at rest. Furthermore, irisin may play a major role in affecting high-density lipoprotein cholesterol levels and abnormal energy expenditure in chronic kidney disease patients.

Original languageEnglish
Article numbere64025
JournalPLoS ONE
Volume8
Issue number5
DOIs
StatePublished - 07 05 2013

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