Lifespan extension in genetically modified mice |
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Authors: | Warren Ladiges Holly Van Remmen Randy Strong Yuji Ikeno Piper Treuting Peter Rabinovitch Arlan Richardson |
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Institution: | Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA 98195, USA; South Texas Veterans Health Care System, Audie L. Murphy Division, University of Texas Health Sciences Center at San Antonio, San Antonio, TX 78245, USA; Department of Cellular and Structural Biology, University of Texas Health Sciences Center at San Antonio, San Antonio, TX 78245, USA; Barshop Institute for Longevity and Aging Studies, University of Texas Health Sciences Center at San Antonio, San Antonio, TX 78245, USA; Department of Pharmacology, University of Texas Health Sciences Center at San Antonio, San Antonio, TX 78245, USA; Department of Pathology, University of Texas Health Sciences Center at San Antonio, San Antonio, TX 78245, USA; Department of Pathology, School of Medicine, University of Washington, Seattle, WA 98195, USA |
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Abstract: | Major advances in aging research have been made by studying the effect of genetic modifications on the lifespan of organisms, such as yeast, invertebrates (worms and flies) and mice. Data from yeast and invertebrates have been the most plentiful because of the ease in which genetic manipulations can be made and the rapidity by which lifespan experiments can be performed. With the ultimate focus on advancing human health, testing genetic interventions in mammals is crucial, and the mouse has proven to be the mammal most amenable to this task. Lifespan studies in mice are resource intensive, requiring up to 4 years to complete. Therefore, it is critical that a set of scientifically-based criteria be followed to assure reliable results and establish statistically significant findings so other laboratories can replicate and build on the data. Only then will it be possible to confidently determine that the genetic modification extends lifespan and alters aging. |
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