Cellular endotoxin desensitization in patients with severe chronic heart failure

Rakesh Sharma; Aidan P. Bolger; Mathias Rauchhaus; Stephan Von Haehling; Wolfram Doehner; Ian M. Adcock; Peter J. Barnes; Philip A. Poole-Wilson; Hans Dieter Volk; Andrew J S Coats; Sam Lim; Stefan D. Anker

doi:10.1016/j.ejheart.2004.09.014

Cellular endotoxin desensitization in patients with severe chronic heart failure

Rakesh Sharma, Aidan P. Bolger, Mathias Rauchhaus, Stephan Von Haehling, Wolfram Doehner, Ian M. Adcock, Peter J. Barnes, Philip A. Poole-Wilson, Hans Dieter Volk, Andrew J S Coats, Sam Lim, Stefan D. Anker

Istituto San Raffaele Pisana

Research output: Contribution to journal › Article › peer-review

Abstract

Background: Increased levels of bacterial lipopolysaccharide (LPS) have been demonstrated in chronic heart failure (CHF). LPS can induce cellular desensitization, with specific down-regulation of LPS-mediated cellular tumor necrosis factor (TNF-α) production which does not affect other cytokine parameters. It is not known if LPS desensitization occurs in CHF. Methods and results: Mononuclear cells from 24 CHF patients (mean age 70±2 years, age range 58 to 78 years, NYHA class 3.0±0.2) and 11 healthy controls (mean age 53±3 years, age range 39 to 75 years) were separated from venous blood and cultured for 24 h with LPS (E. coli, 0-10 ng/mL). Culture supernatants were tested for TNF-α and interleukin-1 receptor antagonist (IL-1RA). Patients were subgrouped into mild (n=10), moderate (n=5), and severe (n=9) CHF. Independently of age, mononuclear cells from patients with severe heart failure produced less TNF-α than controls (p

Original language	English
Pages (from-to)	865-868
Number of pages	4
Journal	European Journal of Heart Failure
Volume	7
Issue number	5
DOIs	https://doi.org/10.1016/j.ejheart.2004.09.014
Publication status	Published - Aug 2005

Keywords

Cytokines
Heart failure
Lipopolysaccharide

ASJC Scopus subject areas

Cardiology and Cardiovascular Medicine

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10.1016/j.ejheart.2004.09.014

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Cellular endotoxin desensitization in patients with severe chronic heart failure. / Sharma, Rakesh; Bolger, Aidan P.; Rauchhaus, Mathias; Von Haehling, Stephan; Doehner, Wolfram; Adcock, Ian M.; Barnes, Peter J.; Poole-Wilson, Philip A.; Volk, Hans Dieter; Coats, Andrew J S; Lim, Sam; Anker, Stefan D.

In: European Journal of Heart Failure, Vol. 7, No. 5, 08.2005, p. 865-868.

Research output: Contribution to journal › Article › peer-review

Sharma, Rakesh ; Bolger, Aidan P. ; Rauchhaus, Mathias ; Von Haehling, Stephan ; Doehner, Wolfram ; Adcock, Ian M. ; Barnes, Peter J. ; Poole-Wilson, Philip A. ; Volk, Hans Dieter ; Coats, Andrew J S ; Lim, Sam ; Anker, Stefan D. / Cellular endotoxin desensitization in patients with severe chronic heart failure. In: European Journal of Heart Failure. 2005 ; Vol. 7, No. 5. pp. 865-868.

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abstract = "Background: Increased levels of bacterial lipopolysaccharide (LPS) have been demonstrated in chronic heart failure (CHF). LPS can induce cellular desensitization, with specific down-regulation of LPS-mediated cellular tumor necrosis factor (TNF-α) production which does not affect other cytokine parameters. It is not known if LPS desensitization occurs in CHF. Methods and results: Mononuclear cells from 24 CHF patients (mean age 70±2 years, age range 58 to 78 years, NYHA class 3.0±0.2) and 11 healthy controls (mean age 53±3 years, age range 39 to 75 years) were separated from venous blood and cultured for 24 h with LPS (E. coli, 0-10 ng/mL). Culture supernatants were tested for TNF-α and interleukin-1 receptor antagonist (IL-1RA). Patients were subgrouped into mild (n=10), moderate (n=5), and severe (n=9) CHF. Independently of age, mononuclear cells from patients with severe heart failure produced less TNF-α than controls (p",

keywords = "Cytokines, Heart failure, Lipopolysaccharide",

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year = "2005",

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doi = "10.1016/j.ejheart.2004.09.014",

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AU - Bolger, Aidan P.

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AU - Doehner, Wolfram

AU - Adcock, Ian M.

AU - Barnes, Peter J.

AU - Poole-Wilson, Philip A.

AU - Volk, Hans Dieter

AU - Coats, Andrew J S

AU - Lim, Sam

AU - Anker, Stefan D.

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N2 - Background: Increased levels of bacterial lipopolysaccharide (LPS) have been demonstrated in chronic heart failure (CHF). LPS can induce cellular desensitization, with specific down-regulation of LPS-mediated cellular tumor necrosis factor (TNF-α) production which does not affect other cytokine parameters. It is not known if LPS desensitization occurs in CHF. Methods and results: Mononuclear cells from 24 CHF patients (mean age 70±2 years, age range 58 to 78 years, NYHA class 3.0±0.2) and 11 healthy controls (mean age 53±3 years, age range 39 to 75 years) were separated from venous blood and cultured for 24 h with LPS (E. coli, 0-10 ng/mL). Culture supernatants were tested for TNF-α and interleukin-1 receptor antagonist (IL-1RA). Patients were subgrouped into mild (n=10), moderate (n=5), and severe (n=9) CHF. Independently of age, mononuclear cells from patients with severe heart failure produced less TNF-α than controls (p

AB - Background: Increased levels of bacterial lipopolysaccharide (LPS) have been demonstrated in chronic heart failure (CHF). LPS can induce cellular desensitization, with specific down-regulation of LPS-mediated cellular tumor necrosis factor (TNF-α) production which does not affect other cytokine parameters. It is not known if LPS desensitization occurs in CHF. Methods and results: Mononuclear cells from 24 CHF patients (mean age 70±2 years, age range 58 to 78 years, NYHA class 3.0±0.2) and 11 healthy controls (mean age 53±3 years, age range 39 to 75 years) were separated from venous blood and cultured for 24 h with LPS (E. coli, 0-10 ng/mL). Culture supernatants were tested for TNF-α and interleukin-1 receptor antagonist (IL-1RA). Patients were subgrouped into mild (n=10), moderate (n=5), and severe (n=9) CHF. Independently of age, mononuclear cells from patients with severe heart failure produced less TNF-α than controls (p

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Cellular endotoxin desensitization in patients with severe chronic heart failure

Abstract

Keywords

ASJC Scopus subject areas

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