Mitochondrial respiration variability and simulations in human skeletal muscle : The Gene SMART study

Journal article


Jacques, Macsue, Kuang, Jujiao, Bishop, David J., Yan, Xu, Alvarez-Romero, Javier, Munson, Fiona, Garnham, Andrew, Papadimitriou, Ioannis, Voisin, Sarah and Eynon, Nir. (2020). Mitochondrial respiration variability and simulations in human skeletal muscle : The Gene SMART study. The FASEB Journal. 34(2), pp. 2978-2986. https://doi.org/10.1096/fj.201901997RR
AuthorsJacques, Macsue, Kuang, Jujiao, Bishop, David J., Yan, Xu, Alvarez-Romero, Javier, Munson, Fiona, Garnham, Andrew, Papadimitriou, Ioannis, Voisin, Sarah and Eynon, Nir
Abstract

Mitochondrial respiration using the oxygraph‐2k respirometer (Oroboros) is widely used to estimate mitochondrial capacity in human skeletal muscle. Here, we measured mitochondrial respiration variability, in a relatively large sample, and for the first time, using statistical simulations, we provide the sample size required to detect meaningful respiration changes following lifestyle intervention. Muscle biopsies were taken from healthy, young men from the Gene SMART cohort, at multiple time points. We utilized samples for each measurement with two technical repeats using two respirometer chambers (n = 160 pairs of same muscle after removal of low‐quality samples). We measured the Technical Error of measurement (TEM) and the coefficient of variation (CV) for each mitochondrial complex. There was a high correlation between measurements from the two chambers (R > 0.7 P < .001) for all complexes, but the TEM was large (7.9‐27 pmol s−1 mg−1; complex dependent), and the CV was >15% for all complexes. We performed statistical simulations of a range of effect sizes at 80% power and found that 75 participants (with duplicate measurements) are required to detect a 6% change in mitochondrial respiration after an intervention, while for interventions with 11% effect size, ~24 participants are sufficient. The high variability in respiration suggests that the typical sample sizes in exercise studies may not be sufficient to capture exercise‐induced changes.

Keywordsexercise; intervention; mitochondria; OXPHOS; oxygen consumption
Year2020
JournalThe FASEB Journal
Journal citation34 (2), pp. 2978-2986
PublisherJohn Wiley & Sons
ISSN0892-6638
Digital Object Identifier (DOI)https://doi.org/10.1096/fj.201901997RR
Scopus EID2-s2.0-85078667702
Open accessPublished as ‘gold’ (paid) open access
Research or scholarlyResearch
Page range2978-2986
FunderNational Health and Medical Research Council (NHMRC)
Publisher's version
License
File Access Level
Open
Output statusPublished
Publication dates
Online09 Jan 2020
Publication process dates
Accepted15 Dec 2019
Deposited30 Apr 2021
Grant IDNHMRC/1140644
NHMRC/11577321
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Low muscle glycogen concentration does not suppress the anabolic response to resistance exercise
Camera, Donny, West, D, Burd, N, Phillips, S, Garnham, A, Hawley, John and Coffey, Vernon. (2012). Low muscle glycogen concentration does not suppress the anabolic response to resistance exercise. Journal of Applied Physiology. 113(2), pp. 206 - 214. https://doi.org/10.1152/japplphysiol.00395.2012
Nutrient provision increases signalling and protein synthesis in human skeletal muscle after repeated sprints
Coffey, Vernon, Moore, Daniel, Burd, N, Rerecich, T, Stellingwerff, T, Garnham, A, Phillips, S and Hawley, John. (2011). Nutrient provision increases signalling and protein synthesis in human skeletal muscle after repeated sprints. European Journal of Applied Physiology. 111(7), pp. 1473 - 1483. https://doi.org/10.1007/s00421-010-1768-0
Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men
Trenerry, Marissa K., Della Gatta, Paul A., Larsen, Amy E., Garnham, Andrew P. and Cameron-Smith, David. (2011). Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men. Muscle & Nerve. 43(3), pp. 385 - 392. https://doi.org/10.1002/mus.21875
Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men
Trenerry, Melissa K., Della Gatta, Paul A., Larson, Amy E. and Garnham, Andrew P.. (2011). Impact of resistance exercise training on interleukin-6 and JAK/STAT in young men. Muscle & Nerve. 43(3), pp. 385 - 392. https://doi.org/10.1002/mus.21875
Vitamin D status and musculoskeletal health in adolescent male ballet dancers a pilot study
Ducher, Gaele, Kukuljan, Sonja, Hill, B., Garnham, Andrew P., Nowson, Carol A., Kimlin, M. G. and Cook, Jill. (2011). Vitamin D status and musculoskeletal health in adolescent male ballet dancers a pilot study. Journal of Dance Medicine and Science. 15(3), pp. 99 - 107.
Current markers of the Athlete Blood Passport do not flag microdose EPO doping
Ashenden, Michael, Gough, Clare E., Garnham, Andrew, Gore, Christopher J. and Sharpe, Ken. (2011). Current markers of the Athlete Blood Passport do not flag microdose EPO doping. European Journal of Applied Physiology. 111(9), pp. 2307 - 2314. https://doi.org/10.1007/s00421-011-1867-6
Exercise training increases adipose tissue GLUT4 expression in patients with type 2 diabetes
Hussey, Sophie E., McGee, S. L., Garnham, Andrew, Wentworth, John M., Jeukendrup, A. E. and Hargreaves, M.. (2011). Exercise training increases adipose tissue GLUT4 expression in patients with type 2 diabetes. Diabetes, Obesity and Metabolism. 13(10), pp. 959 - 962. https://doi.org/10.1111/j.1463-1326.2011.01426.x
Acute signalling responses to intense endurance training commenced with low or normal muscle glycogen : Experimental Physiology-Research Paper
Yeo, W, McGee, S, Carey, A, Paton, C, Garnham, A, Hargreaves, M and Hawley, John. (2010). Acute signalling responses to intense endurance training commenced with low or normal muscle glycogen : Experimental Physiology-Research Paper. Experimental Physiology. 95(2), pp. 351 - 358. https://doi.org/10.1113/expphysiol.2009.049353
Cytokine responses to carbohydrate ingestion during recovery from exercise-induced muscle injury
Ross, M, Halson, Shona, Suzuki, K, Garnham, A, Hawley, John, Cameron-Smith, David and Peake, J. (2010). Cytokine responses to carbohydrate ingestion during recovery from exercise-induced muscle injury. Journal of Interferon and Cytokine Research. 30(5), pp. 329 - 337. https://doi.org/10.1089/jir.2009.0079
Effect of consecutive repeated sprint and resistance exercise bouts on acute adaptive responses in human skeletal muscle
Coffey, Vernon Glenn, Jemiolo, Bozena, Edge, Johann, Garnham, Andrew P., Trappe, Scott W. and Hawley, John Alan. (2009). Effect of consecutive repeated sprint and resistance exercise bouts on acute adaptive responses in human skeletal muscle. American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 297(5), pp. 1441 - 1451. https://doi.org/10.1152/ajpregu.00351.2009
Consecutive bouts of diverse contractile activity alter acute responses in human skeletal muscle
Coffey, Vernon Glenn, Pilegaard, Henriette, Garnham, Andrew P., O'Brien, Brendan J. and Hawley, John Alan. (2009). Consecutive bouts of diverse contractile activity alter acute responses in human skeletal muscle. Journal of Applied Physiology. 106(4), pp. 1187 - 1197. https://doi.org/10.1152/japplphysiol.91221.2008
Skeletal muscle adaptation and performance responses to once a day versus twice every second day endurance training regimens
Yeo, Wee Kian, Paton, Carl D., Garnham, Andrew P., Burke, Louise M., Carey, Andrew L. and Hawley, John Alan. (2008). Skeletal muscle adaptation and performance responses to once a day versus twice every second day endurance training regimens. Journal of Applied Physiology. 105(5), pp. 1462 - 1470. https://doi.org/10.1152/japplphysiol.90882.2008
Fat adaptation followed by carbohydrate restoration increases AMPK activity in skeletal muscle from trained humans
Yeo, Wee Kian, Lessard, Sarah J., Chen, Zhi-Ping, Garnham, Andrew P., Burke, Louise, Rivas, Donato A., Kemp, Bruce Ernest and Hawley, John Alan. (2008). Fat adaptation followed by carbohydrate restoration increases AMPK activity in skeletal muscle from trained humans. Journal of Applied Physiology. 105(5), pp. 1519 - 1526. https://doi.org/10.1152/japplphysiol.90540.2008