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Activator protein-1...
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Goncalves, IsabelLund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Kardiovaskulär forskning - translationella studier,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups,Cardiovascular Research - Translational Studies
(författare)
Activator protein-1 in carotid plaques is related to cerebrovascular symptoms and cholesteryl ester content
- Artikel/kapitelEngelska2011
Förlag, utgivningsår, omfång ...
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Elsevier,2011
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:mau-4832
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https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-4832URI
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https://doi.org/10.1016/j.carpath.2009.09.003DOI
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https://lup.lub.lu.se/record/1511862URI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Transcription factor activator protein-1 regulates genes involved in inflammation and repair. The aim of this study was to determine whether transcription factor activator protein-1 activity in carotid plaques is related to symptoms, lipid accumulation, or extracellular matrix composition. Methods: Twenty-eight atherosclerotic carotid plaques were removed by endarterectomy and divided into two groups based on the presence or absence of ipsilateral symptoms (b1 month ago). Activator protein-1 DNA binding activity was assessed, and subunit (c-Jun, JunD, JunB, c-Fos, FosB, Fra-1, Fra-2) protein levels analyzed by immunoblotting. Distribution of c-Jun in plaques was analyzed by immunohistochemistry. Results: Plaques associated with symptoms had increased activator protein-1 activity and increased expression of c-Jun and JunD, as compared to asymptomatic plaques. Fra-1 and Fra-2 were present in equal amounts in both groups, whereas JunB, FosB, and c-Fos were undetectable. Activator protein-1 activity correlated with cholesteryl ester and elastin in plaques and decreased with age. Activator protein-1 activity did not correlate with collagen, calcified tissue, or proteoglycan content. Conclusions: Activator protein-1 is increased in plaques associated with symptoms. The correlation between activator protein-1 and cholesteryl esters suggests that high activator protein-1 is a marker of plaque vulnerability. Activator protein-1 expression can also reflect the activation of repair processes.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Stollenwerk, Maria M,1959-Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups(Swepub:lu)medf-mst
(författare)
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Lindholm, MarieLund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups(Swepub:lu)medf-mli
(författare)
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Dias, NunoLund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine(Swepub:lu)ront-ndi
(författare)
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Pedro, Luis M
(författare)
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Fernandes e Fernandes, José
(författare)
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Moses, Jonatan
(författare)
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Nordin Fredrikson, GunillaLund University,Lunds universitet,Malmö högskola,Institutionen för biomedicinsk vetenskap (BMV),Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups(Swepub:lu)medf-gno
(författare)
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Nilsson, JanLund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups(Swepub:lu)medf-jni
(författare)
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Ares, MikkoLund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups(Swepub:lu)medf-mar
(författare)
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Kardiovaskulär forskning - immunitet och aterosklerosForskargrupper vid Lunds universitet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Cardiovascular pathology: Elsevier20:1, s. 36-431054-88071879-1336
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