pubmed-article:19604372 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0012655 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0206745 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0012155 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0015677 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0004153 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0288472 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C0205263 | lld:lifeskim |
pubmed-article:19604372 | lifeskim:mentions | umls-concept:C2349975 | lld:lifeskim |
pubmed-article:19604372 | pubmed:dateCreated | 2009-8-5 | lld:pubmed |
pubmed-article:19604372 | pubmed:abstractText | Cyclin kinase inhibitor p21 is one of the most potent inhibitors of aortic smooth muscle cell proliferation, a key mediator of atherosclerosis. This study tests if p2l deficiency will result in severe atherosclerosis in a mouse model. p21-/- and strain matched wild type mice were fed with high fat diet for 21 weeks. Analysis for biochemical parameters (cholesterol, triglycerides) in serum and mRNA expression of CD36, HO-1, TGF-beta, IFN-gamma, TNF-alpha, PPAR-gamma and NADPH oxidase components (p22phox, NOX-1 and Rac-1) was performed in aortic tissues by Real Time PCR. p21-/- mice gained significantly (p < 0.01) more weight than wild type mice, triglycerides (p < 0.05) and cholesterol levels (p < 0.01) were more pronounced in the sera of p21-/- compared to wild type mice fed with high fat diet. High fat diet resulted in significantly decreased TGF-beta (p < 0.02), HO-l (p < 0.02) and increased CD36 (p < 0.03) mRNA expression in aortic tissues of p21-/- mice compared to animal fed with regular diet. IFN-gamma mRNA expression (235 +/- 11 folds) increased significantly in high fat diet fed p21-/- mice and a multifold modulation of PPAR-gamma(136 +/- 7), p22phox, NOX-1 and Rac-1 (15-35-folds) mRNA in aortic tissues from p21-/- mice compared to the wild type mice. Severity of atherosclerotic lesions was significantly higher in p21-/- compared to wild type mice. The results demonstrate that the deficiency of p21 leads to altered expression of pro-atherogenic genes, and severe atherosclerosis in mice fed with high fat diet. This opens the possibility of p21 protein as a therapeutic tool to control progression of atherosclerosis. | lld:pubmed |
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pubmed-article:19604372 | pubmed:language | eng | lld:pubmed |
pubmed-article:19604372 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:19604372 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:19604372 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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pubmed-article:19604372 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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pubmed-article:19604372 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:19604372 | pubmed:issn | 1423-0127 | lld:pubmed |
pubmed-article:19604372 | pubmed:author | pubmed-author:KhannaAshwani... | lld:pubmed |
pubmed-article:19604372 | pubmed:issnType | Electronic | lld:pubmed |
pubmed-article:19604372 | pubmed:volume | 16 | lld:pubmed |
pubmed-article:19604372 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:19604372 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:19604372 | pubmed:pagination | 66 | lld:pubmed |
pubmed-article:19604372 | pubmed:dateRevised | 2010-5-10 | lld:pubmed |
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