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Serum and mucosal cytokine profiles in patients with active Helicobacter pylori and ischemic heart disease: is there a relationship?

Abstract：

:This study is designed to investigate, for the first time, circulating and gastric mucosal levels of IL1-alpha, IL-6, IL-8 and TNF-alpha in patients with ischemic heart disease (IHD) and matched controls, according to the presence or absence of active Helicobacter pylori infection. Furthermore, in order to evaluate whether modified lipid profile was associated to an increased cardiovascular risk, this was determined in the same groups. Cytokine levels were measured using ELISA in 58 patients with IHD and 52 controls. Active H. pylori infection was assessed if either culture of H. pylori or rapid urease test gave a positive result. Our findings indicate increasing cytokine mucosal levels in H. pylori-positive patients compared to H. pylori-negative subjects. However, the increase was statistically significant only for IL-6 and TNF-alpha in the gastric mucosa of IHD patients. In H. pylori-positive controls, IL-8 mucosal levels positively correlated with both IL1-alpha (r = 0.98; P = 0.0003) and IL-6 (r = 0.83; P = 0.03) levels. Circulating cytokine levels were comparable in IHD and healthy subjects, regardless of H. pylori status. There were no correlations between mucosal and circulating cytokine levels. Active H. pylori infection was not associated with a modified lipid profile in either controls or IHD patients, although ApoAI levels were significantly higher in H. pylori-positive controls compared to those H. pylori-negative. Taken together, the results of the present study provide evidence that active H. pylori infection may play a role as a trigger factor in the pathophysiology of IHD by inducing an inflammatory cascade concentrated on gastric mucosa.

journal_name

Int J Immunopathol Pharmacol

journal_title

International journal of immunopathology and pharmacology

authors

Di Bonaventura G,Piccolomini R,Pompilio A,Zappacosta R,Piccolomini M,Neri M

doi

10.1177/039463200702000119

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

163-72

issue

eissn

0394-6320

issn

2058-7384

pii

journal_volume

pub_type

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Serum and mucosal cytokine profiles in patients with active Helicobacter pylori and ischemic heart disease: is there a relationship?