Journal
PHYSIOLOGICAL GENOMICS
Volume 26, Issue 3, Pages 163-171Publisher
AMER PHYSIOLOGICAL SOC
DOI: 10.1152/physiolgenomics.00323.2005
Keywords
spaceflight; protein expression; gene expression; bone; muscle; immune system; nervous system
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Funding
- NCRR NIH HHS [P20 RR-016461] Funding Source: Medline
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Many serious adverse physiological changes occur during spaceflight. In the search for underlying mechanisms and possible new countermeasures, many experimental tools and methods have been developed to study microgravity caused physiological changes, ranging from in vitro bioreactor studies to spaceflight investigations. Recently, genomic and proteomic approaches have gained a lot of attention; after major scientific breakthroughs in the fields of genomics and proteomics, they are now widely accepted and used to understand biological processes. Understanding gene and/or protein expression is the key to unfolding the mechanisms behind microgravity-induced problems and, ultimately, finding effective countermeasures to spaceflight-induced alterations. Significant progress has been made in identifying the genes/proteins responsible for these changes. Although many of these genes and/or proteins were observed to be either upregulated or downregulated, however, no large-scale genomics and proteomics studies have been published so far. This review aims at summarizing the current status of microgravity-related genomics and proteomics studies and stimulating large-scale proteomics and genomics research activities.
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