Novel HIF2A mutations disrupt oxygen sensing, leading to polycythemia, paragangliomas, and somatostatinomas Blood, Mar 2013; 121: 2563 - 2566.
[anti-HA]
Regulation of the PI3-K/Akt Survival Pathway in the Rat Endometrium Biol Reprod, Mar 2013; 88: 79.
[Akt3]
RNA elements directing in vivo assembly of the 7SK/MePCE/Larp7 transcriptional regulatory snRNP Nucleic Acids Res., Mar 2013; 10.1093/nar/gkt159.
[LA]
Ruxolitinib as potential targeted therapy for patients with JAK2 rearrangements Haematologica, Mar 2013; 98: 404 - 408.
[JAK2]
Cyclin dependent kinases (CDK's) are kinases that interact with cyclins and regulate cell division. There is evidence that phosphorylation of the C-terminal region of Rb by Cdk4/6 initiates successive intramolecular interactions between the C-terminal region and the central pocket. The initial interaction displaces histone deacetylase from the pocket, blocking active transcriptional repression by Rb. These intramolecular interactions provide a molecular basis for sequential phosphorylation of Rb by Cdk4/6 and Cdk2. Cdk4/6 is activated early in G1, blocking active repression by Rb (1). In primary epidermal cells, it has been found that oncogenic Ras transiently decreases cyclin-dependent kinase (CDK) 4 expression in association with cell cycle arrest in G1 phase. CDK4 co-expression circumvents Ras growth suppression and induces invasive human neoplasia resembling squamous cell carcinoma. Tumorigenesis is dependent on CDK4 kinase function, with cyclin D1 required but not sufficient for this process. These data identify a new role for oncogenic Ras in CDK4 regulation and highlight the functional importance of CDK4 suppression in preventing uncontrolled growth (2).
Related Pathway
Cell cycle
TGF Beta Signaling Pathway
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