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Longitudinal Functional Study of Murine Aging: A Resource for Future Study Designs

Authors
  • Evans, Daniel S1
  • O'Leary, Monique N2
  • Murphy, Ryan2
  • Schmidt, Minna2
  • Koenig, Kristin2
  • Presley, Michael2
  • Garrett, Brittany2
  • Kim, Ha‐Neui3
  • Han, Li3
  • Academia, Emmeline C2
  • Laye, Matt J2
  • Edgar, Daniel2
  • Zambataro, Christopher A2
  • Barhydt, Tracey2
  • Dewey, Colleen M2
  • Mayfield, Jarrott2
  • Wilson, Joy2
  • Alavez, Silvestre2
  • Lucanic, Mark4
  • Kennedy, Brian K2
  • And 5 more
  • 1 California Pacific Medical Center Research Institute, USA , (United States)
  • 2 The Buck Institute for Research on Aging, USA , (United States)
  • 3 University of Arkansas for Medical Sciences, USA , (United States)
  • 4 Gerostate Alpha, USA , (United States)
Type
Published Article
Journal
JBMR Plus
Publisher
John Wiley & Sons, Inc.
Publication Date
Feb 16, 2021
Volume
5
Issue
3
Identifiers
DOI: 10.1002/jbm4.10466
PMID: 33778327
PMCID: PMC7990142
Source
PubMed Central
Keywords
Disciplines
  • Original Articles
License
Unknown
External links

Abstract

Aging is characterized by systemic declines in tissue and organ functions. Interventions that slow these declines represent promising therapeutics to protect against age‐related disease and improve the quality of life. In this study, several interventions associated with lifespan extension in invertebrates or improvement of age‐related disease were tested in mouse models to determine if they were effective in slowing tissue aging in a broad spectrum of functional assays. Benzoxazole, which extends the lifespan of Caenorhabditis elegans , slowed age‐related femoral bone loss in mice. Rates of change were established for clinically significant parameters in untreated mice, including kyphosis, blood glucose, body composition, activity, metabolic measures, and detailed parameters of skeletal aging in bone. These findings have implications for the study of preclinical physiological aging and therapies targeting aging. Finally, an online application was created that includes the calculated rates of change and that enables power and variance to be calculated for many clinically important metrics of aging with an emphasis on bone. This resource will help in future study designs employing novel interventions in aging mice. © 2021 The Authors. JBMR Plus published by Wiley Periodicals LLC. on behalf of American Society for Bone and Mineral Research.

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