Immunohistochemistry of advanced glycation end product Nε-(carboxymethyl)lysine in coronary arteries in relation to cardiac fibrosis and serum N-terminal-pro basic natriuretic peptide in forensic autopsy cases.
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| Abstract | OBJECTIVE:
Advanced glycation end products (AGEs) are known to play important roles in the development of diabetes mellitus and atherosclerosis. Nε-(carboxymethyl)lysine (CML) is the major AGE, and is found in the arterial walls in the heart. The CML involvement in myocardial ischemia has been reported. We studied the immunohistochemical localization of CML in the hearts from forensic autopsies in relation to the age, serum N-terminal-pro basic natriuretic peptide (NT-proBNP), heart weights, and the degree of peri-myocardial fibrous tissues reflecting coronary microvascular infarction and myocardial remodeling. RESULTS: The CML immunoreactivity in the endothelial cells and intima of arterial walls in the interstitium of ventricular muscles was significantly stronger in the aged group, compatible with the progression of atherosclerosis. The blood level of NT-proBNP, a known useful marker for heart failure, had the positive correlation with the CML immunoreactivity. The degree of fibrosis, heart weights and the histories of hypertension and hyperlipidemia showed positive correlations with the CML immunoreactivity. Our results show the novel positive correlation between the CML immunohistochemistry in the heart vessels and heart conditions, and its future usefulness in the cardiovascular evaluation in histopathology.
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| Authors | Makoto Nogami, Tomoaki Hoshi, Yoko Toukairin, Tomomi Arai, Tadashi Nishio |
| Journal | BMC research notes (BMC Res Notes) Vol. 13 Issue 1 Pg. 239 (May 12 2020) ISSN: 1756-0500 [Electronic] England |
| PMID | 32398121 (Publication Type: Journal Article) |
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