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Spaceflight Related Changes in Structure and Strength of Mouse Trabecular and Cortical Bone From the STS-118 Space Shuttle Mission

[+] Author Affiliations
A. M. Ortega, R. C. Paietta, S. M. Gonzalez, L. S. Stodieck, V. L. Ferguson

University of Colorado, Boulder, CO

T. A. Bateman, E. W. Livingston

University of North Carolina at Chapel Hill, Chapel Hill, NC

Paper No. SBC2013-14785, pp. V01AT08A005; 2 pages
doi:10.1115/SBC2013-14785
From:
  • ASME 2013 Summer Bioengineering Conference
  • Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments
  • Sunriver, Oregon, USA, June 26–29, 2013
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5560-7
  • Copyright © 2013 by ASME

abstract

Rapid bone loss during spaceflight is a well-established and continuing medical issue for astronauts. It has been reported that astronauts have displayed bone loss at rates of up to 2.7%/month in weight-bearing bones, or about 6 times that of post-menopausal women [1]. Rodent models have provided a means to further our understanding of the effects of microgravity on bone quality, both from studies in which rodents have flown aboard space missions and those in which weightlessness is simulated on earth through musculoskeletal unloading [2]. Such studies have the potential to not only further our understanding of the cause of decreased bone integrity in space, but also provide an accelerated model for the study of osteo-degenerative diseases affecting the general public, leading to improved treatment methods for both spaceflight and age or illness related osteoporosis.

Copyright © 2013 by ASME
Topics: Bone , Space flight

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