The varying faces of IL-6: From cardiac protection to cardiac failure

Jillian A. Fontes, Noel R. Rose, Daniela Cihakova

Research output: Contribution to journalArticle

Abstract

IL6 is a pleiotropic cytokine that is made in response to perturbations in homeostasis. IL6 becomes elevated in the acute response to host injury and can activate immune cells, direct immune cell trafficking, signal protective responses in local tissue, initial the acute phase response or initiate wound healing. In the short term this proinflammatory response is protective and limits host damage. It is when this acute response remains chronically activated that IL6 becomes pathogenic to the host. Chronically elevated IL6 levels lead to chronic inflammation and fibrotic disorders. The heart is a tissue where this temporal regulation of IL6 is very apparent. Studies from myocardial infarction show how short-term IL6 signaling can protect and preserve the heart tissue in response to acute damage, where long term IL6 signaling or an over-production of IL6R protein plays a causal role in cardiovascular disease. Thus, IL6 can be both protective and pathogenic, depending on the kinetics of the host response.

Original languageEnglish (US)
Pages (from-to)62-68
Number of pages7
JournalCytokine
Volume74
Issue number1
DOIs
StatePublished - Jul 1 2015

Fingerprint

Interleukin-6
Heart Failure
Tissue
Acute-Phase Reaction
Wound Healing
Homeostasis
Cardiovascular Diseases
Myocardial Infarction
Cytokines
Inflammation
Kinetics
Wounds and Injuries
Proteins

Keywords

  • Gp130
  • Heart failure
  • IL6
  • Myocarditis
  • Trans-signaling

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Hematology
  • Biochemistry
  • Molecular Biology

Cite this

The varying faces of IL-6 : From cardiac protection to cardiac failure. / Fontes, Jillian A.; Rose, Noel R.; Cihakova, Daniela.

In: Cytokine, Vol. 74, No. 1, 01.07.2015, p. 62-68.

Research output: Contribution to journalArticle

Fontes, Jillian A. ; Rose, Noel R. ; Cihakova, Daniela. / The varying faces of IL-6 : From cardiac protection to cardiac failure. In: Cytokine. 2015 ; Vol. 74, No. 1. pp. 62-68.
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