The University of Alabama at Birmingham (UAB) proposes to establish a Nathan Shock Center of Excellence in the Basic Biology of Aging focused on comparative energetics and aging. Energetics is comprehensively defined for this purpose as the study of the causes, mechanisms, and consequences of the acquisition, storage, and utilization of metabolizable energy. Comparative energetics is the study of metabolic processes at multiple scales and across multiple species, in this case as it relates to health and aging. Nearly a century of aging research has reinforced the link between energetics and aging. In modern terms this link is reified as dysregulated mitochondrial function, metabolic signaling, and nutrient responsiveness. The twin objectives of the Center will be to (1) explore in greater depth and detail than previously the complex relationship among cellular and organismal energetics and their relationship to health and aging, and (2) provide quantitative, state-of-the-art technologies and novel methodologies in the assessment and analysis of energetics to the basic aging research community at large. In pursuit of these objectives, we propose developing three research cores. First, the Comparative Organismal Energetics Core will provide expertise and cutting edge instruction and methodology for determining complete whole animal energy balance (intake, assimilation, expenditure) and body composition, including regional distribution of white and brown adipose tissue, in living animals of various species including flies, fish, mice or other mammals, under any ambient temperature or activity regime. Second, the Comparative Mitochondrial Health Assessment Core will provide integrated, quantitative energetics analysis at the level of the organelle, cell, or tissue for both traditional and emerging animal models, including targeted metabolomics, assessment of mitophagy, and oxidative stress. Mitochondrial-nuclear exchange models are also available to enable experiments that evaluate the contribution of mtDNA variation to bioenergetics. Third, the Comparative Data Analytics Core will provide innovative analytic approaches to data sets linking comparative energetics to organismal health and longevity. With these research cores plus the administrative and research development core, we aim to: (i) facilitate hypothesis-driven research and leverage these technologies into new projects, interactions, and collaborations nationwide in basic aging research; (ii) foster meaningful novel interactions among investigators within UAB and across the region and country; and (iii) provide resources, education, training, and direction to junior investigators through the intellectual resources and research infrastructure, the Center will develop. In sum, these cores and the outstanding cohort of investigators assembled for this Center will provide unique expertise and novel collaborative opportunities for new and established investigators at UAB and beyond.
The University of Alabama at Birmingham Nathan Shock Center of Excellence in the Basic Biology of Aging will provide state-of-the-art research services as well as diverse cells and animals for researchers investigating the links between energetics, healthspan and the rate of aging.
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