Linked Life Data

17369104

Source:http://linkedlifedata.com/resource/pubmed/id/17369104

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pubmed-article:17369104pubmed:abstractTextD-beta-hydroxybutyrate (DbetaHB) is a predominant member of ketone bodies produced by hepatocytes and, to a lesser extent, by astrocytes. It is an alternative source of energy in the brain when glucose supply is depleted such as during starvation. It has been reported that ketone bodies could protect dopaminergic culture. However, the biological function of DbetaHB in Parkinson disease (PD) is still unclear. In the present work, we investigated the role of DbetaHB in protecting rat pheochromocytoma (PC12) cells from apoptosis induced by 6-Hydroxydopamine (6-OHDA). DbetaHB rescued PC12 cells from apoptotic death induced by 6-OHDA by MTT assay, acridine orange (AO) staining, terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) staining and the activity of caspase-3. DbetaHB prevented the decrease of cell viability and the increase of caspase-3 activity induced by 6-OHDA in a dose-dependent manner in PC12 cells. AO and TUNEL staining showed that DbetaHB prevented the apoptosis of PC12 cells induced by 6-OHDA. The ratio of Bcl-2/Bax at mRNA levels, which regulates the apoptosis of PC12 cells when exposed to 6-OHDA, increased when DbetaHB was preincubated. The data showed that DbetaHB inhibited the apoptosis of PC12 cells induced by 6-OHDA in relation to up-regulating the ratio of Bcl-2/Bax mRNA.lld:pubmed
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pubmed-article:17369104pubmed:authorpubmed-author:YangXinxinXlld:pubmed
pubmed-article:17369104pubmed:authorpubmed-author:LiZhenpingZlld:pubmed
pubmed-article:17369104pubmed:authorpubmed-author:LiuShuweiSlld:pubmed
pubmed-article:17369104pubmed:authorpubmed-author:ChengBaohuaBlld:pubmed
pubmed-article:17369104pubmed:authorpubmed-author:HouZhongyuZlld:pubmed
pubmed-article:17369104pubmed:authorpubmed-author:LinXiangtaoXlld:pubmed
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pubmed-article:17369104pubmed:pagination38-44lld:pubmed
pubmed-article:17369104pubmed:dateRevised2009-8-12lld:pubmed
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pubmed-article:17369104pubmed:year2007lld:pubmed
pubmed-article:17369104pubmed:articleTitleD-beta-hydroxybutyrate inhibits the apoptosis of PC12 cells induced by 6-OHDA in relation to up-regulating the ratio of Bcl-2/Bax mRNA.lld:pubmed
pubmed-article:17369104pubmed:affiliationShandong University, Jinan, China. chengbh1979@163.comlld:pubmed
pubmed-article:17369104pubmed:publicationTypeJournal Articlelld:pubmed
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