Search Results - "Peelor, Frederick F."
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Nrf2 Signaling and the Slowed Aging Phenotype: Evidence from Long-Lived Models
Published in Oxidative medicine and cellular longevity (01-01-2015)“…Studying long-lived animals provides novel insight into shared characteristics of aging and represents a unique model to elucidate approaches to prevent…”
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Muscle‐specific changes in protein synthesis with aging and reloading after disuse atrophy
Published in Journal of cachexia, sarcopenia and muscle (01-12-2019)“…Background Successful strategies to halt or reverse sarcopenia require a basic understanding of the factors that cause muscle loss with age. Acute periods of…”
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Differential effects of vitamin C or protandim on skeletal muscle adaptation to exercise
Published in Journal of applied physiology (1985) (01-08-2018)“…Maintaining proteostasis is a key mechanism for preserving cell function. Exercise-stimulated proteostasis is regulated, in part, by redox-sensitive signaling…”
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4
Effect of biological sex and short-term high-fat diet on cellular proliferation, ribosomal biogenesis, and targeted protein abundance in murine articular cartilage
Published in Osteoarthritis and cartilage open (01-09-2024)“…To identify factors contributing to sex-differences in OA risk by evaluating the short-term effect of high-fat (HF) diet on sex-specific changes in cartilage…”
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Determining the contributions of protein synthesis and breakdown to muscle atrophy requires non‐steady‐state equations
Published in Journal of cachexia, sarcopenia and muscle (01-12-2021)“…Background Ageing and cachexia cause a loss of muscle mass over time, indicating that protein breakdown exceeds protein synthesis. Deuterium oxide (D2O) is…”
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A Novel Stable Isotope Approach Demonstrates Surprising Degree of Age-Related Decline in Skeletal Muscle Collagen Proteostasis
Published in Function (Oxford, England) (01-01-2021)“…Age-related deterioration in turnover of collagen proteins accelerates extracellular matrix fibrosis and hinders adaptation to external stimuli. This project…”
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The loss of cardiac SIRT3 decreases metabolic flexibility and proteostasis in an age-dependent manner
Published in GeroScience (01-04-2023)“…SIRT3 is a longevity factor that acts as the primary deacetylase in mitochondria. Although ubiquitously expressed, previous global SIRT3 knockout studies have…”
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Impaired proteostatic mechanisms other than decreased protein synthesis limit old skeletal muscle recovery after disuse atrophy
Published in Journal of cachexia, sarcopenia and muscle (01-10-2023)“…Skeletal muscle mass and strength diminish during periods of disuse but recover upon return to weight bearing in healthy adults but are incomplete in old…”
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Enhanced skeletal muscle regrowth and remodelling in massaged and contralateral non‐massaged hindlimb
Published in The Journal of physiology (01-01-2018)“…Key points Muscle fibre cross sectional area is enhanced with massage in the form of cyclic compressive loading during regrowth after atrophy. Massage enhances…”
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10
The Dunkin Hartley Guinea Pig Is a Model of Primary Osteoarthritis That Also Exhibits Early Onset Myofiber Remodeling That Resembles Human Musculoskeletal Aging
Published in Frontiers in physiology (29-10-2020)“…Skeletal muscle dysfunction, articular cartilage degeneration, and bone loss occur essentially in parallel during aging. Mechanisms contributing to this…”
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Greater muscle protein synthesis and mitochondrial biogenesis in males compared with females during sprint interval training
Published in The FASEB journal (01-06-2014)“…ABSTRACT Improved endurance exercise performance in adult humans after sprint interval training (SIT) has been attributed to mitochondrial biogenesis. However,…”
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Age-induced changes in skeletal muscle mitochondrial DNA synthesis, quantity, and quality in genetically unique rats
Published in GeroScience (23-09-2024)“…Mitochondrial genomic integrity is a key element of physiological processes and health. Changes in the half-life of the mitochondrial genome are implicated in…”
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17α-estradiol, a lifespan-extending compound, attenuates liver fibrosis by modulating collagen turnover rates in male mice
Published in American journal of physiology: endocrinology and metabolism (01-02-2023)“…Estrogen signaling is protective against chronic liver diseases, although men and a subset of women are contraindicated for chronic treatment with…”
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14
Assessment of mitochondrial biogenesis and mTORC1 signaling during chronic rapamycin feeding in male and female mice
Published in The journals of gerontology. Series A, Biological sciences and medical sciences (01-12-2013)“…Chronic inhibition of the protein synthesis regulator mTORC1 through rapamycin extends life span in mice, with longer extension in females than in males…”
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15
Massage as a mechanotherapy promotes skeletal muscle protein and ribosomal turnover but does not mitigate muscle atrophy during disuse in adult rats
Published in Acta Physiologica (01-07-2020)“…Aim Interventions that decrease atrophy during disuse are desperately needed to maintain muscle mass. We recently found that massage as a mechanotherapy can…”
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Dietary Methionine Restriction Regulates Liver Protein Synthesis and Gene Expression Independently of Eukaryotic Initiation Factor 2 Phosphorylation in Mice
Published in The Journal of nutrition (01-06-2017)“…The phosphorylation of eukaryotic initiation factor 2 (p-eIF2) during dietary amino acid insufficiency reduces protein synthesis and alters gene expression via…”
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Skeletal and cardiac muscle have different protein turnover responses in a model of right heart failure
Published in GeroScience (01-08-2023)“…Right heart failure (RHF) is a common and deadly disease in aged populations. Extra-cardiac outcomes of RHF such as skeletal muscle atrophy contribute to…”
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Adrenergic control of lipolysis in women compared with men
Published in Journal of applied physiology (1985) (01-11-2014)“…Data suggest women are more sensitive to the lipolytic action of epinephrine compared with men while maintaining similar glucoregulatory effects (Horton et al…”
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An In Vivo Stable Isotope Labeling Method to Investigate Individual Matrix Protein Synthesis, Ribosomal Biogenesis, and Cellular Proliferation in Murine Articular Cartilage
Published in Function (Oxford, England) (2022)“…Targeting chondrocyte dynamics is a strategy for slowing osteoarthritis progression during aging. We describe a stable-isotope method using in vivo deuterium…”
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Participation in a 1,000-mile race increases the oxidation of carbohydrate in Alaskan sled dogs
Published in Journal of applied physiology (1985) (15-06-2015)“…The Alaskan Husky has been specifically bred for endurance performance and is capable of extreme endurance performance. We examined sled dogs in the trained…”
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