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Articles 1 - 3 of 3
Full-Text Articles in Medicine and Health Sciences
Epigenetics And The Estrogen Receptor, Jennifer E. Leader, Chenuang Wang, Vladimir M. Popov, Maofu Fu, Richard G. Pestell
Epigenetics And The Estrogen Receptor, Jennifer E. Leader, Chenuang Wang, Vladimir M. Popov, Maofu Fu, Richard G. Pestell
Department of Cancer Biology Faculty Papers
The position effect variegation in Drosophila and Schizosaccharomyces pombe, and higher-order chromatin structure regulation in yeast, is orchestrated by modifier genes of the Su(var) group, (e.g., histone deacetylases ([HDACs]), protein phosphatases) and enhancer E(Var) group (e.g., ATP [adenosine 5'-triphosphate]-dependent nucleosome remodeling proteins). Higher-order chromatin structure is regulated in part by covalent modification of the N-terminal histone tails of chromatin, and histone tails in turn serve as platforms for recruitment of signaling modules that include nonhistone proteins such as heterochromatin protein (HP1) and NuRD. Because the enzymes governing chromatin structure through covalent modifications of histones (acetylation, methylation, phosphorylation, ubiquitination) can also …
Cyclin D1 Repression Of Nuclear Respiratory Factor 1 Integrates Nuclear Dna Synthesis And Mitochondrial Function., Chenguang Wang, Zhiping Li, Yinan Lu, Runlei Du, Sanjay Katiyar, Jianguo Yang, Maofu Fu, Jennifer E Leader, Andrew Quong, Phyllis M Novikoff, Richard Pestell
Cyclin D1 Repression Of Nuclear Respiratory Factor 1 Integrates Nuclear Dna Synthesis And Mitochondrial Function., Chenguang Wang, Zhiping Li, Yinan Lu, Runlei Du, Sanjay Katiyar, Jianguo Yang, Maofu Fu, Jennifer E Leader, Andrew Quong, Phyllis M Novikoff, Richard Pestell
Department of Cancer Biology Faculty Papers
Cyclin D1 promotes nuclear DNA synthesis through phosphorylation and inactivation of the pRb tumor suppressor. Herein, cyclin D1 deficiency increased mitochondrial size and activity that was rescued by cyclin D1 in a Cdk-dependent manner. Nuclear respiratory factor 1 (NRF-1), which induces nuclear-encoded mitochondrial genes, was repressed in expression and activity by cyclin D1. Cyclin D1-dependent kinase phosphorylates NRF-1 at S47. Cyclin D1 abundance thus coordinates nuclear DNA synthesis and mitochondrial function.
Role Of Caveolin-1 In The Regulation Of The Vascular Shear Stress Response, Philippe G. Frank, Michael P. Lisanti
Role Of Caveolin-1 In The Regulation Of The Vascular Shear Stress Response, Philippe G. Frank, Michael P. Lisanti
Department of Cancer Biology Faculty Papers
In blood vessels, endothelia are submitted to constant shear effects and are, under normal conditions, capable of responding to any variation in hemodynamic forces. Caveolae — 50- to 100-nm plasma membrane invaginations present at the surface of terminally differentiated cells and particularly enriched in ECs — are composed of a high sphingolipid and cholesterol content and the protein caveolin-1 (Cav-1). Previous studies have suggested that caveolae and endothelial Cav-1 may regulate the vascular response to altered shear stress. In this issue of the JCI, Yu et al. have examined the role of Cav-1/caveolae in the regulation of flow-induced alterations (i.e., …