| pubmed-article:9166726 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C0162638 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C0007589 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C0085262 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C0031678 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C0033640 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C0205615 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C1707391 | lld:lifeskim |
| pubmed-article:9166726 | lifeskim:mentions | umls-concept:C1515926 | lld:lifeskim |
| pubmed-article:9166726 | pubmed:issue | 6 | lld:pubmed |
| pubmed-article:9166726 | pubmed:dateCreated | 1997-6-17 | lld:pubmed |
| pubmed-article:9166726 | pubmed:abstractText | The involvement of cell cycle-regulatory proteins in apoptosis of neuronally differentiated PC12 cells induced by the removal of nerve growth factor and serum was examined. Three major findings are presented. (1) Cdc2 kinase protein levels increased fivefold in apoptotic PC12 cells by day 3 of serum and nerve growth factor deprivation. Histone H1 kinase activity was increased significantly in p13(suc1) precipitates of apoptotic PC12 cells, which was due to increased activation and/or expression of cdc2 kinase. (2) The protein levels of cyclin-dependent kinase 4, cyclin D, and proliferating cell nuclear antigen that are normally expressed in the cell cycle were increased during neuronal PC12 cell apoptosis. (3) The levels of the catalytic subunit, but not the regulatory subunit of the calcium/calmodulin-dependent protein phosphatase 2B, decreased significantly concomitant with a significant decrease in protein phosphatase 2B activity early in the apoptotic process. Protein phosphatase 2A activity decreased slightly but significantly after 3 days of serum and nerve growth factor deprivation, and no alterations in protein phosphatase 1 were observed during the apoptotic process. These data demonstrate that certain cell cycle-regulatory proteins are inappropriately expressed and that alterations in specific phosphorylation events, as indicated by the increase in histone H1 kinase activity and the decrease in protein phosphatase 2B activity, are most likely occurring during apoptosis of PC12 cells. These observations support the hypothesis that apoptosis may be due in part to a nondividing cell's uncoordinated attempt to reenter and progress through the cell cycle. | lld:pubmed |
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| pubmed-article:9166726 | pubmed:language | eng | lld:pubmed |
| pubmed-article:9166726 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9166726 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:9166726 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:9166726 | pubmed:month | Jun | lld:pubmed |
| pubmed-article:9166726 | pubmed:issn | 0022-3042 | lld:pubmed |
| pubmed-article:9166726 | pubmed:author | pubmed-author:DudekS MSM | lld:pubmed |
| pubmed-article:9166726 | pubmed:author | pubmed-author:JohnsonG VGV | lld:pubmed |
| pubmed-article:9166726 | pubmed:author | pubmed-author:DavisP KPK | lld:pubmed |
| pubmed-article:9166726 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:9166726 | pubmed:volume | 68 | lld:pubmed |
| pubmed-article:9166726 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:9166726 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:9166726 | pubmed:pagination | 2338-47 | lld:pubmed |
| pubmed-article:9166726 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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| pubmed-article:9166726 | pubmed:year | 1997 | lld:pubmed |
| pubmed-article:9166726 | pubmed:articleTitle | Select alterations in protein kinases and phosphatases during apoptosis of differentiated PC12 cells. | lld:pubmed |
| pubmed-article:9166726 | pubmed:affiliation | Department of Pharmacology, University of Alabama at Birmingham, U.S.A. | lld:pubmed |
| pubmed-article:9166726 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:9166726 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
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