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Cardiopulmonary alterations in mRNA expression for interleukin‐1β, the interleukin‐6 superfamily and CXC‐chemokines during development of postischaemic heart failure in the rat by Theis Tønnessen; Geir Florholmen; Unni Lie Henriksen; Geir Christensen is a Medicine article available to read on EtoBox.

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## Summary Cytokines and chemokines are believed to play a pathogenic role in heart failure (HF). Although some cytokines and chemokines have been examined in HF, information about others is still lacking. We aimed to examine the expression of cytokines belonging to the interleukin (IL)‐6 superfamily [IL‐6 and ciliary neurotrophic factor (CNTF)], as well as IL‐1__β__ and the CXC‐chemokines monocyte chemoattractant protein‐1 (MCP‐1) and IL‐8. We examined their expression in the heart, lung and spleen during development of postischaemic HF 1 and 6 weeks following left coronary artery ligation. Rats, which after myocardial infarction had a left ventricular end‐diastolic pressure above 15 mmHg, were considered to be in HF. Sham‐operated rats served as controls. A substantial upregulation of cardiac IL‐1__β__ was measured in HF at 1 week, whereas a downregulation was measured in the lungs. At 6 weeks no altered regulation was seen. CNTF was only upregulated in the viable left ventricle at 6 weeks and IL‐6 was upregulated in the infarcted region at 1 week. Cardiac MCP‐1 was upregulated in the viable and the infarcted region of the failing left ventricle at 1 week, with the highest expres

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Author

Theis Tønnessen; Geir Florholmen; Unni Lie Henriksen; Geir Christensen

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0144-5979)

Published

2003

Language

EN

Field

Medicine (Health Sciences)