| http://purl.uniprot.org/citations/15543941 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/15543941 | http://www.w3.org/2000/01/rdf-schema#comment | "alphaA- and alphaB-crystallins are small heat shock proteins and molecular chaperones that are known to prevent non-specific aggregation of denaturing proteins. Recent work indicates that alphaA-/-lens epithelial cells grow at a slower rate than wild-type cells, and cultured alphaB-/-cells demonstrate increased hyperproliferation and genomic instability, suggesting that these proteins may exert a direct effect on the cell cycle kinetics, and influence cell proliferation. However, the cell cycle parameters of alphaA/alphaBKO (double knockout) cells have not been analyzed. Here we investigate the cell cycle kinetics of synchronized mouse lens epithelial cultures derived from wild-type and alphaA/alphaB double knockout (alphaA/alphaBKO) mice using BrdU labeling of proliferating cells, and flow cytometric analysis. We also provide data on the changing pattern of expression of HSP25, a small heat shock protein in alphaA/alphaBKO and wild-type cells during the cell cycle. Using serum starvation to synchronize cells in the quiescent G0 phase, and restimulation with serum followed by BrdU labeling and flow cytometry, the data indicated that as compared to wild-type cells, a <50% smaller fraction of the alphaA/alphaBKO cells entered the DNA synthetic S phase of the cell cycle. Furthermore, there was a delay in cell cycle transit through S phase in alphaA/alphaBKO cells, suggesting that although capable of entering S phase, the alphaA/alphaBKO cells are blocked in G1 phase, and are delayed in their cell cycle progression. Immunoblot analysis with antibodies to the small heat shock protein HSP25 indicated that although HSP25 increased in G1 phase of wild-type cells, and remained elevated on further progression through the cell cycle, HSP25 accumulation was delayed to S phase in alphaA/alphaBKO cells. These data can be interpreted to indicate that mouse lens epithelial cell progression through the cell cycle is significantly affected by expression of alphaA and alphaB-crystallin."xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.org/dc/terms/identifier | "doi:10.1023/b:mcbi.0000044365.48900.82"xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/author | "Bai F."xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/author | "Xi J."xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/author | "Andley U.P."xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/author | "Higashikubo R."xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/date | "2004"xsd:gYear |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/name | "Mol Cell Biochem"xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/pages | "115-122"xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/title | "Cell kinetic status of mouse lens epithelial cells lacking alphaA- and alphaB-crystallin."xsd:string |
| http://purl.uniprot.org/citations/15543941 | http://purl.uniprot.org/core/volume | "265"xsd:string |
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