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The pro-inflammator...
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Pedersen, Tanja X.
(författare)
The pro-inflammatory effect of uraemia overrules the anti-atherogenic potential of immunization with oxidized LDL in apoE-/- mice
- Artikel/kapitelEngelska2010
Förlag, utgivningsår, omfång ...
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2010-02-17
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Oxford University Press (OUP),2010
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:8f30d81d-62e2-494d-93c1-2adb003ded16
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https://lup.lub.lu.se/record/1672295URI
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https://doi.org/10.1093/ndt/gfq059DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-4919URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Background. Uraemia increases oxidative stress, plasma titres of antibodies recognizing oxidized low-density lipoprotein (oxLDL) and development of atherosclerosis. Immunization with oxLDL prevents classical, non-uraemic atherosclerosis. We have investigated whether immunization with oxLDL might also prevent uraemia-induced atherosclerosis in apolipoprotein E knockout (apoE-/-) mice. Methods. ApoE-/- mice were immunized with either native LDL (n = 25), Cu2+-oxidized LDL (n = 25), PBS (n = 25), the apolipoprotein B-derived peptide P45 (apoB-peptide P45) conjugated to bovine serum albumin (BSA) (n = 25) or BSA (n = 25) prior to induction of uraemia by 5/6 nephrectomy (NX). Results. Immunization with oxLDL increased plasma titres of immunoglobulin G (IgG) recognizing Cu2+-oxLDL and malondialdehyde-modified LDL (MDA-LDL). However, 5/6 NX induced a marked increase in plasma concentrations of anti-oxLDL antibodies as well as pro-atherogenic cytokines [interleukin (IL)-2 (IL-2), IL-4, IL-6 and IL-12)] in native mouse LDL (nLDL)-, oxLDL- and PBS-immunized mice. Even though nLDL- and oxLDL-immunized mice displayed higher anti-MDA-LDL IgG titres than the PBS group, aortic atherosclerosis lesion size was not affected by immunization. Immunization with the apoB-peptide P45, which consistently reduces classical atherosclerosis in non-uraemic mice, also did not reduce lesion size in uraemic apoE-/- mice. Conclusion. The results suggest that the pro-inflammatory and pro-atherogenic effect of uraemia overrules the anti-atherogenic potential of oxLDL immunization in apoE-/- mice.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Binder, Christoph J.
(författare)
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Nordin Fredrikson, GunillaMalmö högskola,Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups,Fakulteten för hälsa och samhälle (HS)(Swepub:mau)hsguno
(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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Bro, Susanne
(författare)
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Nielsen, Lars B.
(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:Nephrology Dialysis Transplantation: Oxford University Press (OUP)25:8, s. 2486-24911460-23850931-0509
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