Targeted cardiac expression of soluble Fas prevents the development of heart failure in mice with cardiac-specific expression of MCP-1

Jianli Niu, Asim Azfer, Michael F. Deucher, Pascal Goldschmidt-Clermont, Pappachan E. Kolattukudy

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Monocyte chemoattractant protein-1 (MCP-1) plays a crucial role in initiating coronary heart disease by recruiting monocytes/macrophages to the vessel wall. Transgenic mice with cardiac-specific expression of MCP-1 manifest cardiac inflammation and develop heart failure. The pathways mediating the detrimental effects of MCP-1 expression have not been defined. We postulate that the Fas ligand (FasL) derived from the infiltrating mononuclear cells causes death of cardiac cells resulting in the development of heart failure. Here, we tested this hypothesis by determining whether inhibition of FasL function through cardiac-specific expression of soluble Fas (sFas) would rescue the MCP-1 transgenic mice from developing heart failure. We generated mice with cardiac-specific expression of sFas and double homozygous transgenic mice that express both MCP-1 and sFas. Cardiac-specific expression of sFas in MCP mice, in fact, inhibited apoptosis of infiltrating mononuclear cells, normalized circulating C-reactive protein (CRP) levels, and prevented macrophage activation as well as production of proinflammatory cytokines, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 in the hearts. sFas expression resulted in restoration of cardiac structure, preservation of cardiac function, and a significant prolongation of survival of MCP mice. These results demonstrate that FasL released from infiltrating mononuclear cells plays a critical role in the detrimental effects of MCP-1 expression, and suggest that Fas/FasL signaling represents a novel therapeutic target for heart failure.

Original languageEnglish
Pages (from-to)810-820
Number of pages11
JournalJournal of Molecular and Cellular Cardiology
Volume40
Issue number6
DOIs
StatePublished - Jun 1 2006
Externally publishedYes

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Chemokine CCL2
Fas Ligand Protein
Heart Failure
Transgenic Mice
Macrophage Activation
Interleukin-1
C-Reactive Protein
Coronary Disease
Monocytes
Cause of Death
Interleukin-6
Cell Death
Tumor Necrosis Factor-alpha
Macrophages
Apoptosis
Cytokines
Inflammation

Keywords

  • Apoptosis
  • Cardiomyopathy
  • Chemokines
  • Fas ligand
  • Gene therapy
  • Heart failure
  • Inflammation
  • Soluble Fas

ASJC Scopus subject areas

  • Molecular Biology
  • Cardiology and Cardiovascular Medicine

Cite this

Targeted cardiac expression of soluble Fas prevents the development of heart failure in mice with cardiac-specific expression of MCP-1. / Niu, Jianli; Azfer, Asim; Deucher, Michael F.; Goldschmidt-Clermont, Pascal; Kolattukudy, Pappachan E.

In: Journal of Molecular and Cellular Cardiology, Vol. 40, No. 6, 01.06.2006, p. 810-820.

Research output: Contribution to journalArticle

Niu, Jianli ; Azfer, Asim ; Deucher, Michael F. ; Goldschmidt-Clermont, Pascal ; Kolattukudy, Pappachan E. / Targeted cardiac expression of soluble Fas prevents the development of heart failure in mice with cardiac-specific expression of MCP-1. In: Journal of Molecular and Cellular Cardiology. 2006 ; Vol. 40, No. 6. pp. 810-820.
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