期刊
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH
卷 33, 期 2, 页码 236-244出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/147323000503300212
关键词
myocardial infarction; dilated cardiomyopathy; adiponectin; T-cadherin; tumour necrosis factor-alpha
This study determined the presence of adiponectin, T-cadherin (an adiponectin receptor) and tumour necrosis factor-alpha (TNF-alpha) in damaged myocytes from autopsied patients with acute or old myocardial infarction (MI) or dilated cardiomyopathy (DCM), using immunohistochemical staining. The enrolled patients included eight with acute MI, six with old MI and seven with DCM. Four autopsied individuals with no cardiac lesions were also enrolled as controls. Adiponectin and TNF-alpha were not observed in normal myocytes from control subjects, but T-cadherin was weakly detected. Immunoreactivity for adiponectin and T-cadherin was observed at the periphery of damaged myocytes from MI and DCM patients; intracellular reactivity for TNF-alpha was also seen. There were no statistically significant differences in the degree of reactivity for each molecule in the myocytes between the MI and DCM patients. These results suggest that the presence of adiponectin and TNF-alpha in damaged myocytes may contribute to the processes of myocardial injury occurring in MI and DCM.
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