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Molecular mechanisms underpinning favourable physiological adaptations to exercise prehabilitation for urological cancer surgery (2023)
Journal Article
Blackwell, J. E., Gharahdaghi, N., Deane, C. S., Brook, M. S., Williams, J. P., Lund, J. N., …Phillips, B. E. (2023). Molecular mechanisms underpinning favourable physiological adaptations to exercise prehabilitation for urological cancer surgery. Prostate Cancer and Prostatic Diseases, https://doi.org/10.1038/s41391-023-00774-z

BACKGROUND: Surgery for urological cancers is associated with high complication rates and survivors commonly experience fatigue, reduced physical ability and quality of life. High-intensity interval training (HIIT) as surgical prehabilitation has bee... Read More about Molecular mechanisms underpinning favourable physiological adaptations to exercise prehabilitation for urological cancer surgery.

Protein dose requirements to maximise skeletal muscle protein synthesis after repeated bouts of resistance exercise in young trained women (2023)
Journal Article
MALLINSON, J., WARDLE, S., O'LEARY, T., GREEVES, J., CEGIELSKI, J., BASS, J., …GREENHAFF, P. (2023). Protein dose requirements to maximise skeletal muscle protein synthesis after repeated bouts of resistance exercise in young trained women. Scandinavian Journal of Medicine and Science in Sports, 33(12), 2470-2481. https://doi.org/10.1111/sms.14506

Studies examining the effect of protein (PRO) feeding on post resistance exercise (RE) muscle protein synthesis (MPS) have primarily been performed in men, and little evidence is available regarding the quantity of PRO required to maximally stimulate... Read More about Protein dose requirements to maximise skeletal muscle protein synthesis after repeated bouts of resistance exercise in young trained women.

Deuterium brain imaging at 7T during D2O dosing (2022)
Journal Article
Cocking, D., Damion, R. A., Franks, H., Jaconelli, M., Wilkinson, D., Brook, M., …Bowtell, R. (2023). Deuterium brain imaging at 7T during D2O dosing. Magnetic Resonance in Medicine, 89(4), 1514-1521. https://doi.org/10.1002/mrm.29539

Purpose To characterize the (2H) deuterium MR signal measured from human brain at 7T in participants loading with D2O to ˜1.5% enrichment over a six-week period. Methods 2H spectroscopy and imaging measurements were used to track the time-course... Read More about Deuterium brain imaging at 7T during D2O dosing.

Declines in muscle protein synthesis account for short-term muscle disuse atrophy in humans in the absence of increased muscle protein breakdown (2022)
Journal Article
Brook, M. S., Stokes, T., Gorissen, S. H., Bass, J. J., McGlory, C., Cegielski, J., …Atherton, P. J. (2022). Declines in muscle protein synthesis account for short-term muscle disuse atrophy in humans in the absence of increased muscle protein breakdown. Journal of Cachexia, Sarcopenia and Muscle, https://doi.org/10.1002/jcsm.13005

Background: We determined the short-term (i.e. 4days) impacts of disuse atrophy in relation to muscle protein turnover [acute fasted-fed muscle protein synthesis (MPS)/muscle protein breakdown (MPB) and integrated MPS/estimated MPB]. Methods: Healthy... Read More about Declines in muscle protein synthesis account for short-term muscle disuse atrophy in humans in the absence of increased muscle protein breakdown.

Pharmacological hypogonadism impairs molecular transducers of exercise-induced muscle growth in humans (2022)
Journal Article
Gharahdaghi, N., Rudrappa, S., Brook, M. S., Farrash, W., Idris, I., Aziz, M. H. A., …Atherton, P. J. (2022). Pharmacological hypogonadism impairs molecular transducers of exercise-induced muscle growth in humans. Journal of Cachexia, Sarcopenia and Muscle, 13(2), 1134-1150. https://doi.org/10.1002/jcsm.12843

Background: The relative role of skeletal muscle mechano-transduction in comparison with systemic hormones, such as testosterone (T), in regulating hypertrophic responses to exercise is contentious. We investigated the mechanistic effects of chemical... Read More about Pharmacological hypogonadism impairs molecular transducers of exercise-induced muscle growth in humans.

The effects of elective abdominal surgery on protein turnover: A meta-analysis of stable isotope techniques to investigate postoperative catabolism (2022)
Journal Article
Jaconelli, M., Greenhaff, P. L., Atherton, P. J., Lobo, D. N., & Brook, M. S. (2022). The effects of elective abdominal surgery on protein turnover: A meta-analysis of stable isotope techniques to investigate postoperative catabolism. Clinical Nutrition, 41(3), 709-722. https://doi.org/10.1016/j.clnu.2022.01.023

Background & aims Elective surgery induces skeletal muscle wasting driven by an imbalance between muscle protein synthesis and breakdown. From examination of diverse stable isotope tracer techniques, the dynamic processes driving this imbalance ar... Read More about The effects of elective abdominal surgery on protein turnover: A meta-analysis of stable isotope techniques to investigate postoperative catabolism.

Transcriptomic links to muscle mass loss and declines in cumulative muscle protein synthesis during short-term disuse in healthy younger humans (2021)
Journal Article
Willis, C. R., Gallagher, I. J., Wilkinson, D. J., Brook, M. S., Bass, J. J., Phillips, B. E., …Atherton, P. J. (2021). Transcriptomic links to muscle mass loss and declines in cumulative muscle protein synthesis during short-term disuse in healthy younger humans. FASEB Journal, 35(9), Article e21830. https://doi.org/10.1096/fj.202100276RR

Muscle disuse leads to a rapid decline in muscle mass, with reduced muscle protein synthesis (MPS) considered the primary physiological mechanism. Here, we employed a systems biology approach to uncover molecular networks and key molecular candidates... Read More about Transcriptomic links to muscle mass loss and declines in cumulative muscle protein synthesis during short-term disuse in healthy younger humans.

The physiological impact of high‐intensity interval training in octogenarians with comorbidities (2021)
Journal Article
Blackwell, J. E., Gharahdaghi, N., Brook, M. S., Watanabe, S., Boereboom, C. L., Doleman, B., …Phillips, B. E. (2021). The physiological impact of high‐intensity interval training in octogenarians with comorbidities. Journal of Cachexia, Sarcopenia and Muscle, 12(4), 866-879. https://doi.org/10.1002/jcsm.12724

Background Declines in cardiorespiratory fitness (CRF) and fat-free mass (FFM) with age are linked to mortality, morbidity and poor quality of life. High-intensity interval training (HIIT) has been shown to improve CRF and FFM in many groups, but it... Read More about The physiological impact of high‐intensity interval training in octogenarians with comorbidities.

Combined in vivo muscle mass, muscle protein synthesis and muscle protein breakdown measurement: a ‘Combined Oral Stable Isotope Assessment of Muscle (COSIAM)’ approach (2021)
Journal Article
Cegielski, J., Wilkinson, D. J., Brook, M. S., Boereboom, C., Phillips, B. E., Gladman, J. F. R., …Atherton, P. J. (2021). Combined in vivo muscle mass, muscle protein synthesis and muscle protein breakdown measurement: a ‘Combined Oral Stable Isotope Assessment of Muscle (COSIAM)’ approach. GeroScience, https://doi.org/10.1007/s11357-021-00386-2

A collagen hydrolysate/milk protein-blend stimulates muscle anabolism equivalently to an isoenergetic milk protein-blend containing a greater quantity of essential amino acids in older men (2021)
Journal Article
Brook, M., Scaife, P., Bass, J., Cegielski, J., Watanabe, S., Wilkinson, D., …Atherton, P. (2021). A collagen hydrolysate/milk protein-blend stimulates muscle anabolism equivalently to an isoenergetic milk protein-blend containing a greater quantity of essential amino acids in older men. Clinical Nutrition, 40(6), 4456-4464. https://doi.org/10.1016/j.clnu.2021.01.002

Background & aims: Nutritional composition is key for skeletal muscle maintenance into older age. Yet the acute effects of collagen protein blended with other protein sources, in relation to skeletal muscle anabolism, are ill-defined. We investigated... Read More about A collagen hydrolysate/milk protein-blend stimulates muscle anabolism equivalently to an isoenergetic milk protein-blend containing a greater quantity of essential amino acids in older men.

The mechanisms of skeletal muscle atrophy in response to transient knockdown of the vitamin D receptor in vivo (2020)
Journal Article
Bass, J. J., Kazi, A. A., Deane, C. S., Nakhuda, A., Ashcroft, S. P., Brook, M. S., …Atherton, P. J. (2021). The mechanisms of skeletal muscle atrophy in response to transient knockdown of the vitamin D receptor in vivo. Journal of Physiology, 599(3), 963-979. https://doi.org/10.1113/JP280652

Key points: Reduced vitamin D receptor (VDR) expression prompts skeletal muscle atrophy. Atrophy occurs through catabolic processes, namely the induction of autophagy, while anabolism remains unchanged. In response to VDR-knockdown mitochondrial func... Read More about The mechanisms of skeletal muscle atrophy in response to transient knockdown of the vitamin D receptor in vivo.

Overexpression of the vitamin D receptor (VDR) induces skeletal muscle hypertrophy (2020)
Journal Article
Bass, J. J., Nakhuda, A., Deane, C. S., Brook, M. S., Wilkinson, D. J., Phillips, B. E., …Atherton, P. J. (2020). Overexpression of the vitamin D receptor (VDR) induces skeletal muscle hypertrophy. Molecular Metabolism, 42, Article 101059. https://doi.org/10.1016/j.molmet.2020.101059

Objective The Vitamin D receptor (VDR) has been positively associated with skeletal muscle mass, function and regeneration. Mechanistic studies have focused upon loss of the receptor, with in vivo whole-body knockout models demonstrating reduced myo... Read More about Overexpression of the vitamin D receptor (VDR) induces skeletal muscle hypertrophy.

The Effect of Whey Protein Supplementation on Myofibrillar Protein Synthesis and Performance Recovery in Resistance-Trained Men (2020)
Journal Article
Davies, R. W., Bass, J. J., Carson, B. P., Norton, C., Kozior, M., Wilkinson, D. J., …Jakeman, P. M. (2020). The Effect of Whey Protein Supplementation on Myofibrillar Protein Synthesis and Performance Recovery in Resistance-Trained Men. Nutrients, 12(3), Article 845. https://doi.org/10.3390/nu12030845

Background: The aim of this study was to investigate the effect of whey protein supplementation on myofibrillar protein synthesis (myoPS) and muscle recovery over a 7-d period of intensified resistance training (RT). Methods: In a double-blind random... Read More about The Effect of Whey Protein Supplementation on Myofibrillar Protein Synthesis and Performance Recovery in Resistance-Trained Men.

Differential Stimulation of Post-Exercise Myofibrillar Protein Synthesis in Humans Following Isonitrogenous, Isocaloric Pre-Exercise Feeding (2019)
Journal Article
Davies, R. W., Bass, J. J., Carson, B. P., Norton, C., Kozior, M., Amigo-Benavent, M., …Jakeman, P. M. (2019). Differential Stimulation of Post-Exercise Myofibrillar Protein Synthesis in Humans Following Isonitrogenous, Isocaloric Pre-Exercise Feeding. Nutrients, 11(7), Article 1657. https://doi.org/10.3390/nu11071657

The aim of this study was to test the effects of two disparate isonitrogenous, isocaloric pre-exercise feeds on deuterium-oxide (D2O) derived measures of myofibrillar protein synthesis (myoPS) in humans. Methods: In a double-blind parallel group desi... Read More about Differential Stimulation of Post-Exercise Myofibrillar Protein Synthesis in Humans Following Isonitrogenous, Isocaloric Pre-Exercise Feeding.

A double-blind placebo controlled trial into the impacts of HMB supplementation and exercise on free-living muscle protein synthesis, muscle mass and function, in older adults (2018)
Journal Article
Din, U., Brook, M., Selby, A. L., Quinlan, J. I., Boereboom, C., Abdullah, H., …Smith, K. (2019). A double-blind placebo controlled trial into the impacts of HMB supplementation and exercise on free-living muscle protein synthesis, muscle mass and function, in older adults. Clinical Nutrition, 38(5), 2071-2078. https://doi.org/10.1016/j.clnu.2018.09.025

Age-related sarcopenia and dynapenia are associated with frailty and metabolic diseases. Resistance exercise training (RET) adjuvant to evidence-based nutritional intervention(s) have been shown as mitigating strategies. Given that HMB supplementatio... Read More about A double-blind placebo controlled trial into the impacts of HMB supplementation and exercise on free-living muscle protein synthesis, muscle mass and function, in older adults.

Physiological adaptations to resistance training in rats selectively bred for low and high response to aerobic exercise training (2018)
Journal Article
Ahtiainen, J. P., Lensu, S., Ruotsalainen, I., Schumann, M., Ihalainen, J. K., Fachada, V., …Kainulainen, H. (2018). Physiological adaptations to resistance training in rats selectively bred for low and high response to aerobic exercise training. Experimental Physiology, https://doi.org/10.1113/ep087144

The purpose of this study was to determine whether rats selectively bred for low and high response to aerobic exercise training co-segregate for differences in muscle adaptations to ladder-climbing resistance training. Five high-responder (HRT) and f... Read More about Physiological adaptations to resistance training in rats selectively bred for low and high response to aerobic exercise training.

Tart cherry concentrate does not enhance muscle protein synthesis response to exercise and protein in healthy older men (2018)
Journal Article
Jackman, S. R., Brook, M. S., Pulsford, R. M., Cockcroft, E. J., Campbell, M. I., Rankin, D., …Bowtell, J. L. (2018). Tart cherry concentrate does not enhance muscle protein synthesis response to exercise and protein in healthy older men. Experimental Gerontology, 110, 202-208. https://doi.org/10.1016/j.exger.2018.06.007

Background: Oxidative stress and inflammation may contribute to anabolic resistance in response to protein and exercise in older adults. We investigated whether consumption of montmorency cherry concentrate (MCC) increased anabolic sensitivity to pro... Read More about Tart cherry concentrate does not enhance muscle protein synthesis response to exercise and protein in healthy older men.

Environmental hypoxia favors myoblast differentiation and fast phenotype but blunts activation of protein synthesis after resistance exercise in human skeletal muscle (2018)
Journal Article
Gnimassou, O., Fernández-Verdejo, R., Brook, M., Naslain, D., Balan, E., Sayda, M., …Deldicque, L. (2018). Environmental hypoxia favors myoblast differentiation and fast phenotype but blunts activation of protein synthesis after resistance exercise in human skeletal muscle. FASEB Journal, 32, https://doi.org/10.1096/fj.201800049rr

We hypothesized that a single session of resistance exercise performed in moderate hypoxic (FiO2: 14%) environmental conditions would potentiate the anabolic response during the recovery period spent in normoxia. Twenty subjects performed a 1-leg kne... Read More about Environmental hypoxia favors myoblast differentiation and fast phenotype but blunts activation of protein synthesis after resistance exercise in human skeletal muscle.

Impact of the calcium form of ?-hydroxy-?-methylbutyrate upon human skeletal muscle protein metabolism (2017)
Journal Article
Wilkinson, D. J., Hossain, T., Limb, M. C., Phillips, B. E., Lund, J., Williams, J. P., …Atherton, P. J. (2018). Impact of the calcium form of β-hydroxy-β-methylbutyrate upon human skeletal muscle protein metabolism. Clinical Nutrition, 37(6), 2068-2075. https://doi.org/10.1016/j.clnu.2017.09.024

© 2017 The Authors Background & aims: β-hydroxy-β-methylbutyrate (HMB) is purported as a key nutritional supplement for the preservation of muscle mass in health, disease and as an ergogenic aid in exercise. Of the two available forms of HMB (calcium... Read More about Impact of the calcium form of ?-hydroxy-?-methylbutyrate upon human skeletal muscle protein metabolism.