2 resultados para Core Sets

em WestminsterResearch - UK


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In the build up to general elections there is invariably a wealth of discourse on constitutional and transitional issues and even on the efficiency and cost-effectiveness of the civil service, but rarely is there any debate on the manner in which politicians manage the government machine. This article seeks to address this deficiency. It examines the operational factors common to the core executive, assesses the problems usually associated with the government as an organization and reviews alternative solutions. Finally, it offers managerially oriented advice, reasoning that it is the role of policy analysts to prescribe and that it is irresponsible to ignore this function. it is clearly emphasized that management solutions are not synonymous with business solutions. The article draws on universal principles of management, seeking to avoid normative suggestions and concentrating instead on practical considerations. Those considerations include personnel selection, collective responsibility, leadership style, organizational structure and team mentality. The conclusion is that strong managerially based leadership should not be dismissed as incompatible with the political constraints placed upon Prime Ministers but rather it should e the predominant impulse.

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The human ZFP36 zinc finger protein family consists of ZFP36, ZFP36L1, and ZFP36L2. These proteins regulate various cellular processes, including cell apoptosis, by binding to adenine uridine rich elements in the 3′ untranslated regions of sets of target mRNAs to promote their degradation. The pro-apoptotic and other functions of ZFP36 family members have been implicated in the pathogenesis of lymphoid malignancies. To identify candidate mRNAs that are targeted in the pro-apoptotic response by ZFP36L1, we reverse-engineered a gene regulatory network for all three ZFP36 family members using the ‘maximum information coefficient’ (MIC) for target gene inference on a large microarray gene expression dataset representing cells of diverse histological origin. Of the three inferred ZFP36L1 mRNA targets that were identified, we focussed on experimental validation of mRNA for the pro-survival protein, BCL2, as a target for ZFP36L1. RNA electrophoretic mobility shift assay experiments revealed that ZFP36L1 interacted with the BCL2 adenine uridine rich element. In murine BCL1 leukemia cells stably transduced with a ZFP36L1 ShRNA lentiviral construct, BCL2 mRNA degradation was significantly delayed compared to control lentiviral expressing cells and ZFP36L1 knockdown in different cell types (BCL1, ACHN, Ramos), resulted in increased levels of BCL2 mRNA levels compared to control cells. 3′ untranslated region luciferase reporter assays in HEK293T cells showed that wild type but not zinc finger mutant ZFP36L1 protein was able to downregulate a BCL2 construct containing the BCL2 adenine uridine rich element and removal of the adenine uridine rich core from the BCL2 3′ untranslated region in the reporter construct significantly reduced the ability of ZFP36L1 to mediate this effect. Taken together, our data are consistent with ZFP36L1 interacting with and mediating degradation of BCL2 mRNA as an important target through which ZFP36L1 mediates its pro-apoptotic effects in malignant B-cells.