Reversibility of brain glucose kinetics in type 2 diabetic subjects

2 型糖尿病受试者脑葡萄糖动力学的可逆性

基本信息

  • 批准号:
    10664102
  • 负责人:
  • 金额:
    $ 19.62万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2023
  • 资助国家:
    美国
  • 起止时间:
    2023-07-15 至 2027-05-31
  • 项目状态:
    未结题

项目摘要

Project summary/abstract The prevalence of type 2 diabetes mellitus continues to rise worldwide and despite different treatment options, many patients fail to achieve glycemic target, which leads to increased morbidity and mortality. Chronic exposure to hyperglycemia has been shown in both animal and human studies to decrease glucose transport into the brain, presumably through down-regulation of GLUT1 at the blood brain barrier, which has been postulated to be a protective adaptation of the central nervous system against the harmful consequences of hyperglycemia. However, GLUT1 down regulation may lead to reduced brain glucose metabolism leading to neuronal damage, neurodegeneration and cognitive decline. Whether these changes in cerebral glucose transport seen in patients with poorly controlled diabetes can be reversed is unknown. The main goal of this study is to determine whether improvement of glucose control in poorly controlled T2DM patient will restore brain glucose transport kinetics and rigorously assess which factors (i.e. duration DM and glycemic control) contribute to the observed improvements by using classic metabolic studies as well as state-of-the-art brain nuclear magnetic resonance spectroscopy (MRS) techniques. The findings obtained from this study will help elucidate if intensive diabetes therapy may be associated with reduced brain dysfunction from hyperglycemia.
项目总结/文摘

项目成果

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