Mitochondrial Genomics and Peripheral Neuropathy during HIV Therapy

HIV 治疗期间的线粒体基因组学和周围神经病变

基本信息

  • 批准号:
    7383762
  • 负责人:
  • 金额:
    $ 15.35万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2007
  • 资助国家:
    美国
  • 起止时间:
    2007-03-15 至 2010-06-30
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Potent antiretroviral therapy (ART) including nucleoside reverse transcriptase inhibitors (NRTI) substantially reduces morbidity and mortality due to human immunodeficiency virus type 1 (HIV) infection and acquired immunodeficiency syndrome (AIDS), but is frequently limited by mitochondrial toxicity. Peripheral neuropathy (PN) is a common, debilitating toxicity that is often irreversible. Variation in the onset, character, and severity of NRTI-associated PN strongly suggests host genetics play a role, but an understanding of this role has been elusive. As life-saving ART becomes increasingly available in resource-limited settings, we can anticipate a future "epidemic" of PN in new populations unless improved understanding and technology can be rapidly translated to these settings. The overarching hypothesis of this proposal is that improved understanding of associations between variation in the human mitochondrial genome and ART-induced PN through the application of state-of-the-art technology (high- throughput whole mitochondrial genome sequencing) and computational resources (to include multifactor dimensionality reduction) can prevent this toxicity and ultimately improve long-term ART outcomes. The proposed work will expand on the existing base of knowledge regarding mitochondrial effects of ART, and will explore novel areas by addressing two specific aims: 1) To characterize mitochondrial DNA (mtDNA) polymorphisms, including multilocus genetic interactions, that confer increased susceptibility to the development of symptomatic PN among HIV-infected individuals treated with NRTI-containing ART regimens; and 2) To characterize relationships between mtDNA polymorphisms and markers of neuronal and mitochondrial injury, including epidermal nerve fiber densities, serum lactate concentrations, and peripheral blood mtDNA content. We propose to address these aims through nested case-control studies using stored DNA and available data from 800 HIV-infected clinical study participants. Information from these studies will allow clinicians to better individualize HIV therapy, avoiding debilitating, often irreversible, and costly complications, thus having important applications in both affluent and resource-limited parts of the world. Results from this study will also advance the field of "mitochondrial medicine", having broad application across other scientific disciplines and for other human diseases.
描述(由申请方提供):强效抗逆转录病毒治疗(ART),包括核苷逆转录酶抑制剂(NRTI),可显著降低人类免疫缺陷病毒1型(HIV)感染和获得性免疫缺陷综合征(AIDS)导致的发病率和死亡率,但通常受到线粒体毒性的限制。周围神经病变(PN)是一种常见的、使人衰弱的毒性,通常是不可逆的。NRTI相关PN的发病、特征和严重程度的变化强烈表明宿主遗传学起作用,但对这种作用的理解一直难以捉摸。随着在资源有限的环境中越来越多地使用拯救生命的ART,我们可以预期未来PN在新人群中的“流行病”,除非能够迅速将更好的理解和技术转化为这些环境。该提案的首要假设是,通过应用最先进的技术(高通量全线粒体基因组测序)和计算资源(包括多因素降维),提高对人类线粒体基因组变异与ART诱导的PN之间关联的理解,可以预防这种毒性,并最终改善长期ART结局。拟议的工作将扩大现有的知识基础上的线粒体作用的ART,并将探索新的领域,解决两个具体的目标:1)表征线粒体DNA(mtDNA)多态性,包括多位点遗传相互作用,赋予增加的易感性发展的症状PN的HIV感染者与NRTI的ART方案治疗的个人;(2)研究mtDNA多态性与神经元和线粒体损伤标志物(包括表皮神经纤维密度、血清乳酸浓度和外周血mtDNA含量)之间的关系。我们建议通过巢式病例对照研究,使用存储的DNA和800例HIV感染的临床研究参与者的可用数据来解决这些目标。来自这些研究的信息将使临床医生能够更好地个性化艾滋病毒治疗,避免使人衰弱的、往往不可逆的和昂贵的并发症,从而在世界上富裕和资源有限的地区都有重要的应用。这项研究的结果也将推动“线粒体医学”领域的发展,在其他科学学科和其他人类疾病中具有广泛的应用。

项目成果

期刊论文数量(0)
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TODD M HULGAN其他文献

TODD M HULGAN的其他文献

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{{ truncateString('TODD M HULGAN', 18)}}的其他基金

Defining the Contribution of Mitochondrial DNA to Viral Infectious Diseases, Type 2 Diabetes, and their Interactions
确定线粒体 DNA 对病毒传染病、2 型糖尿病及其相互作用的作用
  • 批准号:
    10589249
  • 财政年份:
    2023
  • 资助金额:
    $ 15.35万
  • 项目类别:
Iron and Mitochondrial Genomics in Neuro-inflammation and HAND: A CHARTER Study
神经炎症和手部的铁和线粒体基因组学:一项宪章研究
  • 批准号:
    8458599
  • 财政年份:
    2011
  • 资助金额:
    $ 15.35万
  • 项目类别:
Iron and Mitochondrial Genomics in Neuro-inflammation and HAND: A CHARTER Study
神经炎症和手部的铁和线粒体基因组学:一项宪章研究
  • 批准号:
    8845250
  • 财政年份:
    2011
  • 资助金额:
    $ 15.35万
  • 项目类别:
Iron and Mitochondrial Genomics in Neuro-inflammation and HAND: A CHARTER Study
神经炎症和手部的铁和线粒体基因组学:一项宪章研究
  • 批准号:
    8294542
  • 财政年份:
    2011
  • 资助金额:
    $ 15.35万
  • 项目类别:
Iron and Mitochondrial Genomics in Neuro-inflammation and HAND: A CHARTER Study
神经炎症和手部的铁和线粒体基因组学:一项宪章研究
  • 批准号:
    8896116
  • 财政年份:
    2011
  • 资助金额:
    $ 15.35万
  • 项目类别:
Iron and Mitochondrial Genomics in Neuro-inflammation and HAND: A CHARTER Study
神经炎症和手部的铁和线粒体基因组学:一项宪章研究
  • 批准号:
    8658731
  • 财政年份:
    2011
  • 资助金额:
    $ 15.35万
  • 项目类别:
Iron and Mitochondrial Genomics in Neuro-inflammation and HAND: A CHARTER Study
神经炎症和手部的铁和线粒体基因组学:一项宪章研究
  • 批准号:
    8210312
  • 财政年份:
    2011
  • 资助金额:
    $ 15.35万
  • 项目类别:
Mitochondrial Genomics and Effects of Cocaine on T cells during HIV-Infection
HIV 感染期间线粒体基因组学和可卡因对 T 细胞的影响
  • 批准号:
    8112582
  • 财政年份:
    2010
  • 资助金额:
    $ 15.35万
  • 项目类别:
Mitochondrial Genomics and Effects of Cocaine on T cells during HIV-Infection
HIV 感染期间线粒体基因组学和可卡因对 T 细胞的影响
  • 批准号:
    7931761
  • 财政年份:
    2010
  • 资助金额:
    $ 15.35万
  • 项目类别:
Mitochondrial Genomics and Peripheral Neuropathy during HIV Therapy
HIV 治疗期间的线粒体基因组学和周围神经病变
  • 批准号:
    7284699
  • 财政年份:
    2007
  • 资助金额:
    $ 15.35万
  • 项目类别:

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