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- Edston, ErikLinköpings universitet,Filosofiska fakulteten,Institutionen för hälsa och miljö (author)
TUNEL : A useful screening method in sudden cardiac death
- Article/chapterEnglish2002
Publisher, publication year, extent ...
- Springer Science and Business Media LLC,2002
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-46819
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-46819URI
- https://doi.org/10.1007/s004140100254DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- The primary objective of this study was to investigate if detection of apoptosis in the heart can be used to diagnose early myocardial ischaemia. The material consisted of myocardial tissue from autopsy cases: 10 cases with occlusive, thrombotic coronary artery disease and acute myocardial infarction, 10 cases of sudden cardiac death without coronary artery disease (CAD) and 8 controls without cardiovascular disease and with known causes of death. Necrotic changes in the myocardium were detected with hematoxylin-erythrosin-saffron, Mallory's PTAH stain and with antibodies against complement 9. Apoptotic nuclei were visualised with two different kits using the terminal deoxynucleotidyl transferase-mediated desoxyuridinetriphosphate nick end-labeling (TUNEL) method on histological sections. In the patients with CAD, early myocardial infarction was found in one defined area of the ventricular wall, apoptotic myocyte nuclei were observed not in the necrotic lesions, but evenly spread usually without a gradient, all over the myocardium with a mean number per high power field of 29% (range 3-56%) of the total number of myocyte nuclei. In the sudden cardiac deaths without CAD, necrosis was scarce and distributed both focally and irregularly in both the left and right ventricular walls. With few exceptions, the percentage of apoptotic myocyte nuclei exceeded 20% in all sections (mean 24%, range 0-68%). No difference was seen between patients with CAD and those without CAD (p > 0.05). With the TUNEL method, positively stained nuclei were seen very early and extensively all over the myocardium. It is not certain that they represent true apoptosis induced by ischemia, but TUNEL appears to be a useful screening method in cases where sudden cardiac death is suspected.
Subject headings and genre
- Apoptosis
- Immunohistochemistry
- Myocardial infarction
- Sudden death
- TUNEL
- SOCIAL SCIENCES
- SAMHÄLLSVETENSKAP
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- Grontoft, L. (author)
- Johnsson, J. (author)
- Linköpings universitetFilosofiska fakulteten (creator_code:org_t)
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- In:International journal of legal medicine: Springer Science and Business Media LLC116:1, s. 22-260937-98271437-1596
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