Research Topics
Species | J M LawlerSummaryAffiliation: Texas A and M University Country: USA Publications
Research Grants
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Detail Information
Publications
Lifelong exercise and mild (8%) caloric restriction attenuate age-induced alterations in plantaris muscle morphology, oxidative stress and IGF-1 in the Fischer-344 ratJong Hee Kim
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843, USA
Exp Gerontol 43:317-29. 2008..Total hydroperoxides were higher in OAL than YAL, but were not elevated in OExCR, with out a change in MnSOD. IGF-1 levels were lower in OAL (-57%) than YAL, but partially protected in the OExCR group (+51%)...
Biphasic stress response in the soleus during reloading after hind limb unloadingJohn M Lawler
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
Med Sci Sports Exerc 44:600-9. 2012..We postulated that proinflammatory signaling and stress response alterations would characterize early and late phases of signaling during reloading...
Redox modulation of diaphragm contractility: Interaction between DHPR and RyR channelsJohn M Lawler
Department of Health and Kinesiology, Interdisciplinary Faculty of Nutrition, Texas A and M University, College Station, TX 77843 4243, USA
Free Radic Biol Med 49:1969-77. 2010..These results are consistent with the hypothesis that DHPR redox state and RyR function are modulated in an interactive manner, affecting contractility in intact diaphragm fiber bundles...
Exercise training reverses downregulation of HSP70 and antioxidant enzymes in porcine skeletal muscle after chronic coronary artery occlusionJohn M Lawler
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
Am J Physiol Regul Integr Comp Physiol 291:R1756-63. 2006..CAT trended higher (P = 0.059) in ECO compared with SCO. These data indicate that exercise training following onset of coronary artery occlusion results in recovery of critical stress proteins and reduces oxidative stress...
Exacerbation of pathology by oxidative stress in respiratory and locomotor muscles with Duchenne muscular dystrophyJohn M Lawler
Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
J Physiol 589:2161-70. 2011..Oxidative stress may act as an amplifier, exacerbating disruption of the dystroglycan complex, upregulation of the inflammatory transcription factor NF-B, and thus functional impairment of force-generating capacity...
Living in a box or call of the wild? Revisiting lifetime inactivity and sarcopeniaJohn M Lawler
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, 77843 4243, USA
Antioxid Redox Signal 15:2529-41. 2011..Emerging thought suggests that pro-inflammatory signaling and oxidative stress may contribute to sarcopenia...
Combination of estrogen replacement and exercise protects against HDL oxidation in post-menopausal womenJ M Lawler
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, 77843 4243, USA
Int J Sports Med 23:477-83. 2002..07). These data indicate that the combination of estrogen replacement and regular exercise in post-menopausal women may be most effective in reducing oxidation of HDL in vivo...
Specificity of antioxidant enzyme inhibition in skeletal muscle to reactive nitrogen species donorsJohn M Lawler
Department of Health and Kinesiology, Redox Biology and Cell Signaling Laboratory, Texas A and M University, College Station, TX 77843 4243, USA
Biochem Biophys Res Commun 294:1093-100. 2002....
Direct antioxidant properties of creatineJohn M Lawler
276 B Read Building, Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
Biochem Biophys Res Commun 290:47-52. 2002..375 mM). To our knowledge, this is the first evidence that creatine has the potential to act as a direct antioxidant against aqueous radical and reactive species ions...
Exercise training inducibility of MnSOD protein expression and activity is retained while reducing prooxidant signaling in the heart of senescent ratsJohn M Lawler
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
Am J Physiol Regul Integr Comp Physiol 296:R1496-502. 2009..Moreover, upregulation of MnSOD in the aging heart was directly associated with attenuated levels of oxidative stress, including iNOS...
Differential response of heat shock proteins to hindlimb unloading and reloading in the soleusJohn M Lawler
Redox Biology and Cell Signaling Laboratory, 276B Read Building, Department of Health and Kinesiology, Texas A and M University, College Station, 77843 4243, USA
Muscle Nerve 33:200-7. 2006..Thus dysregulation and uncoupling of the Hsp70 and Hsp25 pathways may lead not only to muscle atrophy with prolonged unloading, but also impaired recovery of muscle mass during early reloading...
Hindlimb unloading increases oxidative stress and disrupts antioxidant capacity in skeletal muscleJohn M Lawler
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
Free Radic Biol Med 35:9-16. 2003..6% and hindlimb muscle DCFH-DA oxidation by 162.1%. These results indicate that hindlimb unloading results in a disruption of antioxidant status, elevation of hydroperoxides, and an increase in oxidative stress...
Relationship between NADP-specific isocitrate dehydrogenase and glutathione peroxidase in aging rat skeletal muscleJ M Lawler
276 B Read Building, Redox Biology Laboratory, Eloise Beard Smith Human Performance Laboratories, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
Mech Ageing Dev 122:291-304. 2001..In summary, these data are consistent with the hypotheses that ICDP is higher in more oxidative fibers, inducible with aging, and most closely associated with the glutathione peroxidase system in skeletal muscle...
Exercise training attenuates age-induced changes in apoptotic signaling in rat skeletal muscleWook Song
Texas A and M University, Redox Biology and Cell Signaling Laboratory, College Station, Texas 77843-4243, USA
Antioxid Redox Signal 8:517-28. 2006..These results indicate that treadmill exercise training attenuates fiber atrophy and pro-apoptotic signaling in aging skeletal muscle...
Exercise training attenuates age-induced elevation in Bax/Bcl-2 ratio, apoptosis, and remodeling in the rat heartHyo Bum Kwak
Redox Biology and Cell Signaling Laboratory, Texas A and M University, College Station, Texas 77843 4243, USA
FASEB J 20:791-3. 2006..These are the first data to demonstrate protective effects of endurance exercise training against elevated apoptosis and remodeling in the aging heart...
Exercise training modulates the nitric oxide synthase profile in skeletal muscle from old ratsWook Song
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, and Intercollegiate Faculty of Nutrition, Texas A and M University, College Station, TX 77843 4243, USA
J Gerontol A Biol Sci Med Sci 64:540-9. 2009..eNOS was unaffected by aging or exercise in the SOL. Our results indicate that endurance exercise training attenuates age-induced alterations of NOS isoforms with a greater response in fast-twitch compared with slow-twitch muscle...
Exercise training reduces fibrosis and matrix metalloproteinase dysregulation in the aging rat heartHyo Bum Kwak
Redox Biology and Cell Signaling Laboratory, Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
FASEB J 25:1106-17. 2011..Therefore, exercise training could protect the aging heart against dysregulation of MMPs and fibrosis by suppressing elevation of TIMP-1 and TGF-β...
Modulation of age-induced apoptotic signaling and cellular remodeling by exercise and calorie restriction in skeletal muscleEmanuele Marzetti
Department of Aging and Geriatric Research, University of Florida Institute on Aging, College of Medicine, Gainesville, FL 32610, USA
Free Radic Biol Med 44:160-8. 2008..The most recent evidence on the relevance of skeletal muscle apoptosis to sarcopenia, as well as its modulation by calorie restriction and exercise, is reviewed...
Research Grants
- Regulation of Oxidative Stress in the mdx DiaphragmJOHN LAWLER; Fiscal Year: 2007..We anticipate that our results will have important clinical significance, as we expect to elucidate mechanisms by which oxidative stress contributes to damage, cell loss, and weakness in the dystrophic diaphragm. ..
