Mass and NMR Spectroscopy Core Facility
质量和核磁共振波谱核心设施
基本信息
- 批准号:7097422
- 负责人:
- 金额:$ 7.88万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:
- 资助国家:美国
- 起止时间:至
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The Mass and NMR Spectroscopy Facility Core provides the Burn Trauma Center with the capability to apply mass spectroscopy and nuclear magnetic resonance (NMR) spectroscopy techniques to study phenomena at the tissue, cellular, and genetic levels. The Mass Spectroscopy Facility supports research that allows our investigators to apply tracer techniques for the following applications in our research: amino acid metabolism, glucose metabolism, lipid metabolism, nitrate/nitric oxide, protein turnover, protein phosphorylation, and substrate kinetics/oxidaticn. The Mass Spectroscopy Facility offers several services to the Burn Trauma Center. (1) Provides timely and accurate determinations of stable isotope enrichments of tracers and their derivatives in bodily fluids, tissues, and expired air. (2) Assists in the development of new methods for isotope analyses of compounds in blood, tissues, and urine as required to meet the needs of our investigators. (3) Provides quality control for all analysis conducted in support of the research studies that involve the use of stable nuclides as tracers. The NMR Spectroscopy Facility supports research to develop methodologies that will permit our
investigators to assess key metabolites in the TCA Cycle in tissue extracts and using magnetic angle spinning, in the whole tissue. In addition, the investigators will be able to assess mitochondrial energy coupling in vivo, as expressed by the ratio of ATP synthesis to TCA cycle, using C13/P31 NMR. Finally, the investigators will be able to assess the mitochondrial 2-oxogulterate-malate carrier especially since there is no transport of NADH across the mitochondrial membrane and reducing equivalents produced in the cytosol from glycolysis are carried into the mitochondria as malate. The NMR Spectroscopy Facility offers several services to the Burn Trauma Center. (1) Noninvasive assessment of gluconeogenesis and TCA cycle flux in humans. (2) NMR of tissue extracts using existing and new techniques. (3) Development of new technologies using high resolution magnetic angle spinning to perform NMR measurements in small, intact, unprocessed tissues. (4) In vivo NMR spectroscopy and MR imaging microscopy (MRI) of murine models of burn injury. These facilities enable research in all 4 projects and funds to support these activities directly are included in each project. Support is requested for personnel and supplies for methodology and technology development.
质谱和核磁共振光谱设施核心为烧伤创伤中心提供了应用质谱和核磁共振(NMR)光谱技术研究组织,细胞和遗传水平现象的能力。质谱设施支持研究,使我们的研究人员能够在我们的研究中应用示踪技术进行以下应用:氨基酸代谢,葡萄糖代谢,脂质代谢,硝酸盐/一氧化氮,蛋白质周转,蛋白质磷酸化和底物动力学/氧化。质谱设施为烧伤创伤中心提供多种服务。(1)提供及时和准确的测定稳定同位素富集示踪剂及其衍生物在体液,组织和呼出的空气。(2)协助开发新的方法,用于血液,组织和尿液中化合物的同位素分析,以满足我们研究人员的需求。(3)为所有分析提供质量控制,以支持涉及使用稳定核素作为示踪剂的研究。NMR光谱设施支持研究开发方法,使我们的
研究者评估组织提取物中TCA循环中的关键代谢物,并使用磁角旋转,在整个组织中。此外,研究人员将能够使用C13/P31 NMR评估体内线粒体能量偶联,如ATP合成与TCA循环的比率所表示。最后,研究人员将能够评估线粒体2-氧代谷氨酸-苹果酸载体,特别是因为没有NADH穿过线粒体膜的转运,并且糖酵解在细胞质中产生的还原当量作为苹果酸被携带到线粒体中。核磁共振光谱设施为烧伤创伤中心提供多种服务。(1)非侵入性评估人类的生殖和TCA循环通量。(2)使用现有技术和新技术对组织提取物进行NMR分析。(3)开发使用高分辨率磁角旋转的新技术,在小的、完整的、未加工的组织中进行NMR测量。(4)烧伤小鼠模型的体内NMR光谱和MR成像显微镜(MRI)。这些设施使所有4个项目的研究成为可能,每个项目都包括直接支持这些活动的资金。要求为方法和技术开发提供人员和用品方面的支助。
项目成果
期刊论文数量(0)
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