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WFRF:(Halayko Andrew J.)
 

Sökning: WFRF:(Halayko Andrew J.) > Statin-triggered ce...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004410naa a22007333a 4500
00122103638
003SE-LIBR
00520171211175336.0
007cr||||||||||||
008171211s2010 sw |||| o |||| ||eng c
024a http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-868612 uri
024a urn:nbn:se:liu:diva-868612 urn
024a 10.1016/j.bbamcr.2009.12.0052 doi
040 a S
041a eng
042 9 EPLK
100a Ghavami, Saeid4 aut
2451 0a Statin-triggered cell death in primary human lung mesenchyrnal cells involves p53-PUMA and release of Smac and Omi but not cytochrome ch [Elektronisk resurs]
260 b Elsevierc 2010
500 a Published
506a gratis
520 a Statins inhibit 3-hydroxy-3-methyl-glutarylcoenzyme CoA (HMG-CoA) reductase, the proximal enzyme forcholesterol biosynthesis. They exhibit pleiotropic effects and are linked to health benefits for diseasesincluding cancer and lung disease. Understanding their mechanism of action could point to new therapies,thus we investigated the response of primary cultured human airway mesenchymal cells, which play aneffector role in asthma and chronic obstructive lung disease (COPD), to simvastatin exposure. Simvastatininduced apoptosis involving caspase-9, -3 and -7, but not caspase-8 in airway smooth muscle cells andfibroblasts. HMG-CoA inhibition did not alter cellular cholesterol content but did abrogate de novocholesterol synthesis. Pro-apoptotic effects were prevented by exogenous mevalonate, geranylgeranylpyrophosphate and farnesyl pyrophosphate, downstream products of HMG-CoA. Simvastatin increasedexpression of Bax, oligomerization of Bax and Bak, and expression of BH3-only p53-dependent genes, PUMAand NOXA. Inhibition of p53 and silencing of p53 unregulated modulator of apoptosis (PUMA) expressionpartly counteracted simvastatin-induced cell death, suggesting a role for p53-independent mechanisms.Simvastatin did not induce mitochondrial release of cytochrome c, but did promote release of inhibitor ofapoptosis (IAP) proteins, Smac and Omi. Simvastatin also inhibited mitochondrial fission with the loss ofmitochondrial Drp1, an essential component of mitochondrial fission machinery. Thus, simvastatin activatesnovel apoptosis pathways in lung mesenchymal cells involving p53, IAP inhibitor release, and disruption ofmitochondrial fission.
650 7a Natural Sciences2 hsv
650 7a Biological Sciences2 hsv
650 7a Biochemistry and Molecular Biology2 hsv
650 7a Naturvetenskap2 hsv0 264446
650 7a Biologiska vetenskaper2 hsv
650 7a Biokemi och molekylärbiologi2 hsv
650 7a Cell Biology2 hsv
650 7a Cellbiologi2 hsv
653 0a Apoptosis Statin Caspase Airway smooth muscle Fibroblast Mitochondria
700a Mutawe, Mark M.4 aut
700a Hauff, Kristin4 aut
700a Stelmack, Gerald L.4 aut
700a Schaafsma, Dedmer4 aut
700a Sharma, Pawan4 aut
700a McNeill, Karol D.4 aut
700a Hynes, Tyler S.4 aut
700a Kung, Sam K.4 aut
700a Unruh, Helmut4 aut
700a Klonisch, Thomas4 aut
700a Hatch, Grant M.4 aut
700a Los, Marek Jan4 aut
700a Halayko, Andrew J.4 aut
7721 8i channel recordw 18478042
7730 8i Värdpublikationt Biochimica et Biophysica Actag 1803:4, 452-467x 0006-3002
8564 0u http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86861
8564 0u http://dx.doi.org/10.1016/j.bbamcr.2009.12.005
8564 0u http://liu.diva-portal.org/smash/get/diva2:582963/FULLTEXT01
950 k6 650a Atomerw hu Naturvetenskap
950 k6 650a Experimentw hu Naturvetenskap
950 k6 650a Fysikw hu Naturvetenskap
950 k6 650a Kemiw hu Naturvetenskap
950 k6 650a Kloningw hu Naturvetenskap
950 k6 650a Laboratorierw hu Naturvetenskap
950 k6 650a Marinbiologiw hu Naturvetenskap
950 k6 650a Matematikw hu Naturvetenskap
950 k6 650a Medicinska experimentw hu Naturvetenskap
950 k6 650a Tyngdlagenw hu Naturvetenskap
950 k6 650a Utvecklingsläraw hu Naturvetenskap
841 5 APISa x ab 171211||0000|||||001||||||000000e 1
0245 APISa urn:nbn:se:liu:diva-868612 urn
852 5 APISb APIS
8564 05 APISu http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86861

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