[Cytokine networks and their endogenous modulators in patients with congestive heart failure]

L Yang1, S Zhu, X Wang

  • 1Department of Cardiology, Kunming General Hospital, Chengdu Military Area, Kunming 650032, China.

Zhonghua Nei Ke Za Zhi
|January 5, 2002
PubMed

Insights

Cytokine network imbalance, with increased inflammatory markers like tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6), is linked to severe congestive heart failure (CHF). This suggests a role in CHF development and progression.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Molecular Medicine

Context:

  • Congestive heart failure (CHF) is a complex syndrome with poorly understood pathophysiological mechanisms.
  • Cytokines, key mediators of inflammation and immune response, are increasingly recognized for their role in cardiovascular diseases.

Purpose:

  • To investigate the pathophysiological role of the cytokine network and its modulators in the development of congestive heart failure (CHF).
  • To quantify plasma levels of specific cytokines and their receptors in CHF patients compared to healthy controls.

Summary:

  • Patients with CHF exhibited elevated plasma levels of tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), and soluble TNF receptor I (sTNF-RI), alongside decreased transforming growth factor-beta (TGF-beta).
  • Ratios of TNF-alpha/sTNF-RI and TNF-alpha/TGF-beta were higher in CHF patients, particularly those with advanced heart failure (functional class IV).
  • TNF-alpha levels positively correlated with IL-6 and sTNF-RI, and negatively with TGF-beta, indicating a pro-inflammatory cytokine shift.

Impact:

  • The findings highlight a significant imbalance in the cytokine network in severe CHF, characterized by increased pro-inflammatory and inadequately regulated anti-inflammatory cytokines.
  • This dysregulation of the cytokine network may be a critical factor in the development and progression of congestive heart failure.
  • Understanding these cytokine interactions provides potential targets for novel therapeutic strategies in managing CHF.
Abstract

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