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Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
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Cooperative Allosteric Transitions01:58

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Cooperative Binding of Transcription Regulators02:13

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Transcriptional regulators bind to specific cis-regulatory sequences in the DNA to regulate gene transcription. These cis-regulatory sequences are very short, usually less than ten nucleotide pairs in length. The short length means that there is a high probability of the exact same sequence randomly occurring throughout the genome.  Since regulators can also bind to groups of similar sequences, this further increases the chances of random binding. Transcriptional regulators form...
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Initiation of Translation02:33

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Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
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心脏健康俄俄州倡议:一个全州合作社改善心血管风险.

Shari D Bolen1,2, Douglas Einstadter3,4, Jordan Fiegl3

  • 1MetroHealth Population Health Research Institute, Cleveland, OH, USA. sdb73@case.edu.

Journal of general internal medicine
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概括

心脏健康俄俄州倡议改善了成年人的血压控制,特别是在农村和没有保险的人群中. 这种质量改进模型对全州高血压管理具有前景.

关键词:
心血管疾病心血管疾病这种高血压,高血压.主要护理是一级医疗保健.质量改善 质量改善

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科学领域:

  • 公共卫生 公共卫生
  • 预防心血管疾病 预防心血管疾病
  • 医疗保健服务研究 医疗服务研究

背景情况:

  • 俄俄州面临高心血管疾病 (CVD) 发病率和死亡率.
  • 在初级保健机构中,对心血管疾病风险因素管理干预措施的采用有限.
  • 由医疗保健研究和质量局资助的全州举措旨在改善基于证据的实践实施.

研究的目的:

  • 评估心脏健康俄俄州倡议 (HHOI) 的有效性,这是一个质量改进 (QI) 计划.
  • 评估HHOI对改善成人初级保健患者血压 (BP) 控制的影响.
  • 分析过程措施和二次结果,如戒烟.

主要方法:

  • 使用电子健康记录 (EHR) 数据进行前后,重复的横截面QI研究.
  • 包括来自俄俄州21个县的48个初级保健诊所的293638名成年患者.
  • 为高血压管理策略提供结构化QI支持,指导,同行学习和数据反.

主要成果:

  • 干预后血压控制从67.7%提高到70.7%.
  • 在农村和没有保险的患者中,血压控制的改善更大.
  • 过程措施 (血压测量,随访,药物强化) 与改善的血压控制显著相关.

结论:

  • 心脏健康俄俄州倡议 (HHOI) 展示了一个可行且成功的全州QI基础设施,以改善血压控制.
  • HHOI模型为解决高血压控制的可扩展策略提供了见解.
  • 该倡议的成功表明,该计划在面临类似心血管疾病挑战的其他州有潜在的可复制性.