eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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2/2014
vol. 39
 
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abstract:

Clinical immunology
Possible role of complement factors and their inhibitors in the myocardial infarction: an immunohistochemical study

Tomasz Ilczuk
,
Aleksander Wasiutynski
,
Ewa Wilczek
,
Barbara Gornicka

(Centr Eur J Immunol 2014; 39 (2): 253–259)
Online publish date: 2014/06/27
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Ongoing development of our civilization is accompanied by a marked increase of incidence of cardiovascular diseases and cardiovascular mortality. Ischemic heart disease with its extreme form – myocardial infarction – is one of the main problems of modern medicine. Despite much research devoted to this disease entity, its pathomechanism remains incompletely understood. Basing on research reports, more and more emphasis is put on immune reactions in the myocardium. Available literature lacks detailed studies examining the role of complement system and its inhibitors in the development and pathogenesis of myocardial infarction. Cells of ischemic myocardium were proven to become foreign antigens for the immune system of the patient’s body. This results in complement activation of formation of so called membrane attacking complex that injures myocardial cells. By binding to its surface, it extends the myocardial destruction caused by the infarction itself.

Results of immunochemistry studies presented in this paper have demonstrated the existence colocalization of complement components (C4d, C9) and membrane inhibitors (CD55, CD59) as well as soluble inhibitors (factor H) of the complement in the examined muscle tissue that underwent ischemic necrosis. Positive immunohistochemical reaction was found in the myocardial cells, intercellular matrix and blood vessels.
keywords:

complement system, complement inhibitors, myocardial infarction

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