Levels of Serum Interleukin (IL)-6, IL-1beta, Tumour Necrosis Factor-alpha and Leptin and Their Correlation in Depression

Overview

Journal Aust N Z J Psychiatry

Specialty Psychiatry

Date 2007 Apr 28

PMID 17464708

Citations 35

Authors

Kun Yang

Guangrong Xie

Zhongxing Zhang

Changhong Wang

Wenbo Li

Weiqiang Zhou

Yanqing Tang

Affiliations

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Abstract

Objective: To investigate the relationship between leptin and cytokines in depressed patients.

Methods: Thirty-three unmedicated patients (24 female, nine male) with depressive disorder and 23 healthy controls (16 female, seven male) were assessed for serum levels of interleukin (IL)-6, IL-1beta, tumour necrosis factor-alpha (TNF-alpha) and leptin.

Results: Levels of IL-6 and TNF-alpha in depressed patients were higher than in normal controls. There were significantly lower leptin levels in depressed patients than in normal controls. There were also significant differences in the leptin levels, being higher in female than in male patients, and in female than in male controls.

Conclusions: IL-6 and TNF-alpha cytokines and leptin are important in the psychoimmunology of depressed patients. There were gender differences in leptin levels in depression.

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