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Reduced kidney lipo...
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Li, Shenyang
(författare)
Reduced kidney lipoprotein lipase and renal tubule triglyceride accumulation in cisplatin-mediated acute kidney injury
- Artikel/kapitelEngelska2012
Förlag, utgivningsår, omfång ...
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American Physiological Society,2012
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:umu-61217
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-61217URI
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https://doi.org/10.1152/ajprenal.00111.2012DOI
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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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Peroxisome proliferator-activated receptor-alpha (PPAR alpha) activation attenuates cisplatin (CP)-mediated acute kidney injury by increasing fatty acid oxidation, but mechanisms leading to reduced renal triglyceride (TG) accumulation could also contribute. Here, we investigated the effects of PPAR alpha and CP on expression and enzyme activity of kidney lipoprotein lipase (LPL) as well as on expression of angiopoietin protein-like 4 (Angptl4), glycosylphosphatidylinositol-anchored-HDL-binding protein (GPIHBP1), and lipase maturation factor 1 (Lmf1), which are recognized as important proteins that modulate LPL activity. CP caused a 40% reduction in epididymal white adipose tissue (WAT) mass, with a reduction of LPL expression and activity. CP also reduced kidney LPL expression and activity. Angptl4 mRNA levels were increased by ninefold in liver and kidney tissue and by twofold in adipose tissue of CP-treated mice. Western blots of two-dimensional gel electrophoresis identified increased expression of a neutral pI Angptl4 protein in kidney tissue of CP-treated mice. Immunolocalization studies showed reduced staining of LPL and increased staining of Angptl4 primarily in proximal tubules of CP-treated mice. CP also increased TG accumulation in kidney tissue, which was ameliorated by PPAR alpha ligand. In summary, a PPAR alpha ligand ameliorates CP-mediated nephrotoxicity by increasing LPL activity via increased expression of GPHBP1 and Lmf1 and by reducing expression of Angptl4 protein in the proximal tubule.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Nagothu, Kiran
(författare)
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Ranganathan, Gouri
(författare)
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Ali, Syed M.
(författare)
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Shank, Brian
(författare)
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Gokden, Neriman
(författare)
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Ayyadevara, Srinivas
(författare)
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Megyesi, Judit
(författare)
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Olivecrona, GunillaUmeå universitet,Fysiologisk kemi(Swepub:umu)guol0002
(författare)
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Chugh, Sumant S.
(författare)
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Kersten, Sander
(författare)
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Portilla, Didier
(författare)
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Umeå universitetFysiologisk kemi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:American Journal of Physiology - Renal Physiology: American Physiological Society303:3, s. F437-F4480363-61271522-14661931-857X
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- Av författaren/redakt...
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Li, Shenyang
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Nagothu, Kiran
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Ranganathan, Gou ...
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Ali, Syed M.
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Shank, Brian
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Gokden, Neriman
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visa fler...
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Ayyadevara, Srin ...
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Megyesi, Judit
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Olivecrona, Guni ...
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Chugh, Sumant S.
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Kersten, Sander
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Portilla, Didier
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visa färre...
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och Medicinska och f ...
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Umeå universitet