Abstract
Acute periods of contractile inactivity cause skeletal muscle atrophy along with profound alterations in tissue metabolism. Hind limb unloading via tail suspension is a commonly used rodent model of muscle atrophy. Here, we describe a sample preparation and LC-MS/MS approach for quantifying specific panels of acylcarnitines, amino acids, and organic acids in small (~8 mg) samples of atrophied mouse soleus following a period of hind limb unloading.
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Acknowledgments
We are grateful for the excellent technical assistance of the staff at the Vivarium and the Metabolomics core of the Sanford Burnham Prebys Medical Discovery Institute at Lake Nona (SBP-LN). The authors have no conflicts of interest to declare. This study was supported by funding from (a) the National Institutes of Health | National Institute on Aging (K01 AG044437) awarded to PMC and (b) National Institutes of Health Common Fund (U24 DK097209-03) awarded to the Southeast Center for Integrated Metabolomics (SECIM), a partnership between University of Florida and SBP-LN (SJG, Co-PI). The capability to perform the assays described in this methods chapter was transferred to the Translational Research Institute for Metabolism and Diabetes at Florida Hospital (Orlando, FL).
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Gardell, S.J., Zhang, X., Kapoor, N., Petucci, C., Coen, P.M. (2019). Metabolomics Analyses of Muscle Atrophy Induced by Hind Limb Unloading. In: Bhattacharya, S. (eds) Metabolomics. Methods in Molecular Biology, vol 1996. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9488-5_22
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DOI: https://doi.org/10.1007/978-1-4939-9488-5_22
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