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Wang Y, Zhang D, Liu Y. Research Progress on the Regulating Factors of Muscle Fiber Heterogeneity in Livestock: A Review. Animals (Basel) 2024; 14:2225. [PMID: 39123750 PMCID: PMC11311112 DOI: 10.3390/ani14152225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/26/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
The type of muscle fiber plays a crucial role in the growth, development, and dynamic plasticity of animals' skeletal muscle. Additionally, it is a primary determinant of the quality of both fresh and processed meat. Therefore, understanding the regulatory factors that contribute to muscle fibers' heterogeneity is of paramount importance. Recent advances in sequencing and omics technologies have enabled comprehensive cross-verification of research on the factors affecting the types of muscle fiber across multiple levels, including the genome, transcriptome, proteome, and metabolome. These advancements have facilitated deeper exploration into the related biological questions. This review focused on the impact of individual characteristics, feeding patterns, and genetic regulation on the proportion and interconversion of different muscle fibers. The findings indicated that individual characteristics and feeding patterns significantly influence the type of muscle fiber, which can effectively enhance the type and distribution of muscle fibers in livestock. Furthermore, non-coding RNA, genes and signaling pathways between complicated regulatory mechanisms and interactions have a certain degree of impact on muscle fibers' heterogeneity. This, in turn, changes muscle fiber profile in living animals through genetic selection or environmental factors, and has the potential to modulate the quality of fresh meat. Collectively, we briefly reviewed the structure of skeletal muscle tissue and then attempted to review the inevitable connection between the quality of fresh meat and the type of muscle fiber, with particular attention to potential events involved in regulating muscle fibers' heterogeneity.
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Affiliation(s)
| | | | - Yiping Liu
- State Key Laboratory of Swine and Poultry Breeding Industry, Key Laboratory of Livestock and Poultry Multi-Omics, Ministry of Agriculture and Rural Affairs, and Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611134, China; (Y.W.); (D.Z.)
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2
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Cuny T. Craniofacial impact of acromegaly: when muscle ma-sse-tter. Pituitary 2024:10.1007/s11102-024-01436-6. [PMID: 39060818 DOI: 10.1007/s11102-024-01436-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/19/2024] [Indexed: 07/28/2024]
Affiliation(s)
- Thomas Cuny
- Department of Endocrinology, Centre de Référence des Maladies Rares de l'Hypophyse HYPO, Centre d'investigations cliniques, Hôpital de la Conception, Aix-Marseille Université, INSERM, U1409, Institut Marseille Maladies Rares (MarMaRa), Marseille, 13005, France.
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3
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Pan D, Yang L, Yang X, Xu D, Wang S, Gao H, Liu H, Xia H, Yang C, Lu Y, Sun J, Wang Y, Sun G. Potential nutritional strategies to prevent and reverse sarcopenia in aging process: Role of fish oil-derived ω-3 polyunsaturated fatty acids, wheat oligopeptide and their combined intervention. J Adv Res 2024; 57:77-91. [PMID: 37061218 PMCID: PMC10918331 DOI: 10.1016/j.jare.2023.04.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/24/2023] [Accepted: 04/10/2023] [Indexed: 04/17/2023] Open
Abstract
INTRODUCTION Nutritional support is potentially considered an essential step to prevent muscle loss and enhance physical function in older adults. OBJECTIVES This study aimed to assess the role of potential nutritional strategies, i.e., fish oil-derived ω-3 polyunsaturated fatty acids (PUFAs), wheat oligopeptide and their combined intervention, in preventing and reversing sarcopenia in aging process. METHODS One hundred 25-month-old Sprague-Dawley rats were randomly divided into 10 groups, and 10 newly purchased 6-month-old rats were included in young control group (n = 10). Fish oil (200, 400 or 800 mg/kg body weight), wheat oligopeptide (100, 200 or 400 mg/kg body weight), fish oil + wheat oligopeptide (800 + 100, 400 + 200 or 200 + 400 mg/kg body weight) or the equal volume of solvent were administered daily by gavage for 10 weeks. The effects of these interventions on natural aging rats were evaluated. RESULTS All intervention groups had a significant increase in muscle mass and grip strength and reduction in perirenal fat weight when compared to the aged control group (P < 0.05). The results of biochemical parameters, magnetic resonance imaging, proteomics and western blot suggested that the combination of wheat oligopeptide and fish oil-derived ω-3 PUFA, especially group WFM 2 (400 + 200 mg/kg body weight fish oil + wheat oligopeptide), was found to be more effective against aging-associated muscle loss than single intervention. Additionally, the interventions ameliorated fatty infiltration, muscle atrophy, and congestion in the intercellular matrix, and inflammatory cell infiltration in muscle tissue. The interventions also improved oxidative stress, anabolism, hormone levels, and inflammatory levels of skeletal muscle. CONCLUSIONS The combination of fish oil-derived ω-3 PUFA and wheat oligopeptide was found to be a promising nutritional support to prevent and reverse sarcopenia. The potential mechanism involved the promotion of protein synthesis and muscle regeneration, as well as the enhancement of muscle strength.
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Affiliation(s)
- Da Pan
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Ligang Yang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Xian Yang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Dengfeng Xu
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Shaokang Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China; School of Medicine, Xizang Minzu University, 712082 Xianyang, PR China
| | - Han Gao
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Hechun Liu
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China; Department of Endocrinology and Metabolism, The First Affiliated Hospital of Nanjing Medical University, 210009 Nanjing, PR China
| | - Hui Xia
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Chao Yang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China; Wuxi School of Medicine, Jiangnan University, 214122 Wuxi, PR China
| | - Yifei Lu
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Jihan Sun
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Yuanyuan Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China
| | - Guiju Sun
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, 210009 Nanjing, PR China.
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4
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Shah DN, Chorya HP, Ramesh NN, Gnanasekaram S, Patel N, Sethi Y, Kaka N. Myopathies of endocrine origin: A review for physicians. Dis Mon 2024; 70:101628. [PMID: 37718136 DOI: 10.1016/j.disamonth.2023.101628] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Myopathies are a common manifestation of endocrine disorders. Endocrine myopathies are often overlooked while considering differential diagnoses in patients with musculoskeletal symptoms. The hindrance to mobility and the musculoskeletal discomfort owing to these myopathies are important causes of disability and depreciated quality of life in these patients. Endocrine myopathies occur due to the effects of endogenous or iatrogenic hormonal imbalance on skeletal muscle protein and glucose metabolism, disrupting the excitation-contraction coupling. Abnormalities of the pituitary, thyroid, parathyroid, adrenal, and gonadal hormones have all been associated with myopathies and musculoskeletal symptoms. Endocrine myopathies can either be the complication of a secondary endocrine disorder or a presenting symptom of a missed underlying disorder. Therefore, an underlying endocrine abnormality must always be excluded in all patients with musculoskeletal symptoms. This review presents a compilation of various endocrine myopathies, their etiopathogenesis, clinical presentation, diagnostic modalities, and treatment protocols.
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Affiliation(s)
- Devarsh N Shah
- Government Medical College Baroda, India; PearResearch, India
| | | | - N Nishitha Ramesh
- PearResearch, India; Father Muller Medical College, Mangalore, India
| | | | - Neil Patel
- PearResearch, India; GMERS Medical College, Himmatnagar, Gujarat, India
| | - Yashendra Sethi
- PearResearch, India; Government Doon Medical College, HNB Uttarakhand Medical Education University, Dehradun, Uttarakhand, India
| | - Nirja Kaka
- PearResearch, India; GMERS Medical College, Himmatnagar, Gujarat, India.
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5
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Tezze C, Sandri M, Tessari P. Anabolic Resistance in the Pathogenesis of Sarcopenia in the Elderly: Role of Nutrition and Exercise in Young and Old People. Nutrients 2023; 15:4073. [PMID: 37764858 PMCID: PMC10535169 DOI: 10.3390/nu15184073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/01/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023] Open
Abstract
The development of sarcopenia in the elderly is associated with many potential factors and/or processes that impair the renovation and maintenance of skeletal muscle mass and strength as ageing progresses. Among them, a defect by skeletal muscle to respond to anabolic stimuli is to be considered. Common anabolic stimuli/signals in skeletal muscle are hormones (insulin, growth hormones, IGF-1, androgens, and β-agonists such epinephrine), substrates (amino acids such as protein precursors on top, but also glucose and fat, as source of energy), metabolites (such as β-agonists and HMB), various biochemical/intracellular mediators), physical exercise, neurogenic and immune-modulating factors, etc. Each of them may exhibit a reduced effect upon skeletal muscle in ageing. In this article, we overview the role of anabolic signals on muscle metabolism, as well as currently available evidence of resistance, at the skeletal muscle level, to anabolic factors, from both in vitro and in vivo studies. Some indications on how to augment the effects of anabolic signals on skeletal muscle are provided.
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Affiliation(s)
- Caterina Tezze
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35121 Padova, Italy;
- Veneto Institute of Molecular Medicine, via Orus 2, 35129 Padova, Italy
| | - Marco Sandri
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35121 Padova, Italy;
- Veneto Institute of Molecular Medicine, via Orus 2, 35129 Padova, Italy
- Department of Medicine, McGill University, Montreal, QC H4A 3J1, Canada
| | - Paolo Tessari
- Department of Medicine, University of Padova, via Giustiniani 2, 35128 Padova, Italy
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6
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Arlien-Søborg MC, Dal J, Madsen MA, Høgild ML, Pedersen SB, Jessen N, Jørgensen JOL, Møller N. Whole-Body and Forearm Muscle Protein Metabolism in Patients With Acromegaly Before and After Treatment. J Clin Endocrinol Metab 2023; 108:e671-e678. [PMID: 37036819 DOI: 10.1210/clinem/dgad190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 03/23/2023] [Accepted: 03/30/2023] [Indexed: 04/11/2023]
Abstract
BACKGROUND Active acromegaly is characterized by increased lean body mass, but the mechanisms underlying the protein anabolic effect are unclear. AIM To study if active acromegaly induces reversible changes in whole-body and skeletal muscle protein kinetics. PATIENTS AND METHODS Eighteen patients with acromegaly were investigated before and 47 ± 10 weeks after disease control by surgery (n = 8) and/or medical treatment (n = 10). Labeled phenylalanine and tyrosine tracers were employed to assess whole-body and regional forearm muscle protein kinetics. Intramyocellular protein signaling was assessed in skeletal muscle biopsies, and whole-body dual-energy X-ray absorptiometry scan and indirect calorimetry assessed lean body mass (LBM) and resting energy expenditure, respectively. RESULTS Disease control induced a 7% decrease in lean body mass (P < .000) and a 14% decrease in LBM-adjusted energy expenditure. Whole-body phenylalanine breakdown decreased after disease control (P = .005) accompanied by a decrease in the degradation of phenylalanine to tyrosine (P = .005) and a decrease in whole-body phenylalanine synthesis (P = .030). Skeletal muscle protein synthesis tended to decrease after disease control (P = .122), whereas the muscle protein breakdown (P = .437) and muscle protein loss were unaltered (P = .371). Unc-51 like autophagy activating kinase 1 phosphorylation, an activator of protein breakdown, increased after disease control (P = .042). CONCLUSIONS Active acromegaly represents a reversible high flux state in which both whole-body protein breakdown and synthesis are increased, whereas forearm muscle protein kinetics are unaltered. Future studies are needed to decipher the link between protein kinetics and the structure and function of the associated growth hormone-induced increase in lean body mass.
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Affiliation(s)
- Mai C Arlien-Søborg
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
- Medical Research Laboratory, Department of Clinical Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
| | - Jakob Dal
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
- Department of Endocrinology, Aalborg University Hospital, Aalborg 9000, Denmark
- Steno Diabetes Centre North, Aalborg University Hospital, Aalborg 9000, Denmark
| | - Michael Alle Madsen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
| | - Morten Lyng Høgild
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
- Medical Research Laboratory, Department of Clinical Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
| | - Steen B Pedersen
- Steno Diabetes Centre, Department of endocrinology and Internal Medicine, Aarhus 8200, Denmark
| | - Niels Jessen
- Steno Diabetes Centre, Department of endocrinology and Internal Medicine, Aarhus 8200, Denmark
- Department of Clinical Pharmacology, University of Aarhus, Aarhus 8200, Denmark
- Department of Biomedicine, Aarhus University, Aarhus 8200, Denmark
| | - Jens O L Jørgensen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
- Medical Research Laboratory, Department of Clinical Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
| | - Niels Møller
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
- Medical Research Laboratory, Department of Clinical Medicine, Aarhus University Hospital, Aarhus 8200, Denmark
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7
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Rokoff LB, Seshasayee SM, Carwile JL, Rifas-Shiman SL, Botelho JC, Gordon CM, Hauser R, James-Todd T, Young JG, Rosen CJ, Calafat AM, Oken E, Fleisch AF. Associations of urinary metabolite concentrations of phthalates and phthalate replacements with body composition from mid-childhood to early adolescence. ENVIRONMENTAL RESEARCH 2023; 226:115629. [PMID: 36889566 PMCID: PMC10101932 DOI: 10.1016/j.envres.2023.115629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Phthalates may adversely influence body composition by lowering anabolic hormones and activating peroxisome-proliferator activated receptor gamma. However, data are limited in adolescence when body mass distributions rapidly change and bone accrual peaks. Also, potential health effects of certain phthalate/replacements [e.g., di-2-ethylhexyl terephthalate (DEHTP)] have not been well studied. METHODS Among 579 children in the Project Viva cohort, we used linear regression to evaluate associations of urinary concentrations of 19 phthalate/replacement metabolites from mid-childhood (median: 7.6 years; 2007-2010) with annualized change in areal bone mineral density (aBMD) and lean, total fat, and truncal fat mass as measured by dual-energy X-ray absorptiometry between mid-childhood and early adolescence (median: 12.8 years). We used quantile g-computation to assess associations of the overall chemical mixture with body composition. We adjusted for sociodemographics and tested for sex-specific associations. RESULTS Urinary concentrations were highest for mono-2-ethyl-5-carboxypentyl phthalate [median (IQR): 46.7 (69.1) ng/mL]. We detected metabolites of most replacement phthalates in a relatively small number of participants [e.g., 28% for mono-2-ethyl-5-hydrohexyl terephthalate (MEHHTP; metabolite of DEHTP)]. Detectable (vs. non-detectable) MEHHTP was associated with less bone and greater fat accrual in males and greater bone and lean mass accrual in females [e.g., change in aBMD Z-score/year (95% CI): -0.049 (-0.085, -0.013) in males versus 0.042 (0.007, 0.076) in females; pinteraction<0.01]. Children with higher concentrations of mono-oxo-isononyl phthalate and mono-3-carboxypropyl phthalate (MCPP) had greater bone accrual. Males with higher concentrations of MCPP and mono-carboxynonyl phthalate had greater accrual of lean mass. Other phthalate/replacement biomarkers, and their mixtures, were not associated with longitudinal changes in body composition. CONCLUSIONS Concentrations of select phthalate/replacement metabolites in mid-childhood were associated with changes in body composition through early adolescence. As use of phthalate replacements such as DEHTP may be increasing, further investigation can help better understand the potential effects of early-life exposures.
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Affiliation(s)
- Lisa B Rokoff
- Center for Interdisciplinary Population & Health Research, MaineHealth Institute for Research, Portland, ME, USA.
| | - Shravanthi M Seshasayee
- Center for Interdisciplinary Population & Health Research, MaineHealth Institute for Research, Portland, ME, USA
| | - Jenny L Carwile
- Center for Interdisciplinary Population & Health Research, MaineHealth Institute for Research, Portland, ME, USA
| | - Sheryl L Rifas-Shiman
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
| | - Julianne Cook Botelho
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Catherine M Gordon
- USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX, USA
| | - Russ Hauser
- Department of Environmental Health and Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Tamarra James-Todd
- Department of Environmental Health and Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Jessica G Young
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
| | - Clifford J Rosen
- Center for Clinical and Translational Science, MaineHealth Institute for Research, Scarborough, ME, USA
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Emily Oken
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
| | - Abby F Fleisch
- Center for Interdisciplinary Population & Health Research, MaineHealth Institute for Research, Portland, ME, USA; Pediatric Endocrinology and Diabetes, Maine Medical Center, Portland, ME, USA
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8
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Sadowsky CL. Targeting Sarcopenia as an Objective Clinical Outcome in the Care of Children with Spinal Cord-Related Paralysis: A Clinician's View. CHILDREN (BASEL, SWITZERLAND) 2023; 10:837. [PMID: 37238385 PMCID: PMC10217275 DOI: 10.3390/children10050837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/27/2023] [Accepted: 04/29/2023] [Indexed: 05/28/2023]
Abstract
Muscle loss is consistently associated with immobility and paralysis and triggers significant metabolic and functional changes. The negative effects of sarcopenia are amplified in children who are in the process of building their muscle mass as part of development. Because muscle mass loss is consistently associated with increased morbidity and mortality throughout life, optimizing the size and health of muscles following a neurologic injury is an objective target for therapeutic interventions. This review hypothesizes that muscle mass correlates with functional outcomes in children with paralysis related to spinal cord-related neurologic deficits. We propose that the measurement of muscle mass in this population can be used as an objective outcome for clinical long-term care. Finally, some practical clinical approaches to improving muscle mass are presented.
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Affiliation(s)
- Cristina L. Sadowsky
- International Center for Spinal Cord Injury, Kennedy Krieger Institute, Baltimore, MD 21205, USA;
- Department of Physical Medicine and Rehabilitation, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
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9
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Karava V, Dotis J, Kondou A, Printza N. Malnutrition Patterns in Children with Chronic Kidney Disease. Life (Basel) 2023; 13:life13030713. [PMID: 36983870 PMCID: PMC10053690 DOI: 10.3390/life13030713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/09/2023] Open
Abstract
Malnutrition is frequent in children with chronic kidney disease (CKD). Apart from undernutrition and protein energy wasting (PEW), overnutrition prevalence is rising, resulting in fat mass accumulation. Sedentary behavior and unbalanced diet are the most important causal factors. Both underweight and obesity are linked to adverse outcomes regarding renal function, cardiometabolic risk and mortality rate. Muscle wasting is the cornerstone finding of PEW, preceding fat loss and may lead to fatigue, musculoskeletal decline and frailty. In addition, clinical data emphasize the growing occurrence of muscle mass and strength deficits in patients with fat mass accumulation, attributed to CKD-related wasting processes, reduced physical activity and possibly to obesity-induced inflammatory diseases, leading to sarcopenic obesity. Moreover, children with CKD are susceptible to abdominal obesity, resulting from high body fat distribution into the visceral abdomen compartment. Both sarcopenic and abdominal obesity are associated with increased cardiometabolic risk. This review analyzes the pathogenetic mechanisms, current trends and outcomes of malnutrition patterns in pediatric CKD. Moreover, it underlines the importance of body composition assessment for the nutritional evaluation and summarizes the advantages and limitations of the currently available techniques. Furthermore, it highlights the benefits of growth hormone therapy and physical activity on malnutrition management.
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10
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Yang H, Xu H, Wang L, Duan L, Gong F, Zhu H, Pan H. Metabolic Profile and Echocardiographic Evaluation in Adults with Growth Hormone Deficiency. Horm Metab Res 2022; 54:827-832. [PMID: 36257327 DOI: 10.1055/a-1941-8556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Adult growth hormone deficiency (AGHD) is associated with increased cardiovascular risks. The primary endpoint of this retrospective cohort study was to compare metabolic profile and echocardiographic parameters in childhood-onset (CO) and adulthood-onset (AO) AGHD patients. 26 patients with CO AGHD (19 males, 26.8±8.5 years) and 41 patients with AO AGHD (23 males, 35.1±6.8 years) were included. The standard deviation score of insulin-like growth factor-1 (IGF-1 SDS), metabolic profile, liver sonography and echocardiographic parameters were compared. The IGF-1 SDS were significantly lower in CO AGHD patients (p<0.05). AO AGHD patients showed much profound glycolipid aberrations, elevated C-reactive protein levels (p=0.012), and proportionally higher prevalence of non-alcoholic fatty liver disease (95.2% vs.8.3%, p<0.001). In all subjects, IGF-1 SDS was negatively related to low-density lipoprotein cholesterol, and positively related to total cholesterol and lipoprotein a (Lpa). There were significant differences between the two group with regard to the correlations between IGF-1 SDS and high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, LPa, uric acid and creatinine (all p for interaction<0.05). CO AGHD patients exhibited smaller heart, but similar ventricular ejection fraction compared to AO AGHD patients. AGHD may be a group of heterogenous entity based on the onset ages of disease. AO patients had prominent metabolic disorders, while CO patients had smaller heart but similar cardiac performance. Whether growth hormone replacement therapy will equally benefit both CO and AO AGHD patients needs further investigations.
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Affiliation(s)
- Hongbo Yang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hanyuan Xu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Linjie Wang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Lian Duan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Fengying Gong
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hui Pan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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11
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Bouredji Z, Argaw A, Frenette J. The inflammatory response, a mixed blessing for muscle homeostasis and plasticity. Front Physiol 2022; 13:1032450. [PMID: 36505042 PMCID: PMC9726740 DOI: 10.3389/fphys.2022.1032450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/10/2022] [Indexed: 11/24/2022] Open
Abstract
Skeletal muscle makes up almost half the body weight of heathy individuals and is involved in several vital functions, including breathing, thermogenesis, metabolism, and locomotion. Skeletal muscle exhibits enormous plasticity with its capacity to adapt to stimuli such as changes in mechanical loading, nutritional interventions, or environmental factors (oxidative stress, inflammation, and endocrine changes). Satellite cells and timely recruited inflammatory cells are key actors in muscle homeostasis, injury, and repair processes. Conversely, uncontrolled recruitment of inflammatory cells or chronic inflammatory processes leads to muscle atrophy, fibrosis and, ultimately, impairment of muscle function. Muscle atrophy and loss of function are reported to occur either in physiological situations such as aging, cast immobilization, and prolonged bed rest, as well as in many pathological situations, including cancers, muscular dystrophies, and several other chronic illnesses. In this review, we highlight recent discoveries with respect to the molecular mechanisms leading to muscle atrophy caused by modified mechanical loading, aging, and diseases. We also summarize current perspectives suggesting that the inflammatory process in muscle homeostasis and repair is a double-edged sword. Lastly, we review recent therapeutic approaches for treating muscle wasting disorders, with a focus on the RANK/RANKL/OPG pathway and its involvement in muscle inflammation, protection and regeneration processes.
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Affiliation(s)
- Zineb Bouredji
- Centre Hospitalier Universitaire de Québec, Centre de Recherche du Centre Hospitalier de l’Université Laval (CRCHUQ-CHUL), Axe Neurosciences, Université Laval, Quebec City, QC, Canada
| | - Anteneh Argaw
- Centre Hospitalier Universitaire de Québec, Centre de Recherche du Centre Hospitalier de l’Université Laval (CRCHUQ-CHUL), Axe Neurosciences, Université Laval, Quebec City, QC, Canada
| | - Jérôme Frenette
- Centre Hospitalier Universitaire de Québec, Centre de Recherche du Centre Hospitalier de l’Université Laval (CRCHUQ-CHUL), Axe Neurosciences, Université Laval, Quebec City, QC, Canada,Département de Réadaptation, Faculté de Médecine, Université Laval, Quebec City, QC, Canada,*Correspondence: Jérôme Frenette,
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Baioccato V, Quinto G, Rovai S, Conte F, Dassie F, Neunhäeuserer D, Vecchiato M, Palermi S, Gasperetti A, Bullo V, Camozzi V, Vettor R, Ermolao A, Mioni R. Do Androgenic Pattern, Insulin State and Growth Hormone Affect Cardiorespiratory Fitness and Strength in Young Women with PCOS? Biomedicines 2022; 10:biomedicines10092176. [PMID: 36140277 PMCID: PMC9496105 DOI: 10.3390/biomedicines10092176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 11/30/2022] Open
Abstract
In this study, cardiorespiratory fitness (CRF) and strength level were assessed in women with and without polycystic ovary syndrome (PCOS), matched for age, body composition, androgenic pattern and insulinemic pattern. Patients with and without PCOS were evaluated at the Endocrinology Unit and Sport Medicine Division to assess endocrinological (insulinemic, androgenic pattern and growth hormone), anthropometric (with DEXA) and functional parameters (with cardiopulmonary exercise test and handgrip test), as well as physical activity level (with the Global Physical Activity Questionnaire). A total of 31 patients with PCOS and 13 controls were included. No statistically significant differences were found between groups in terms of age, body mass index, body composition, androgenic pattern, insulin state, growth hormone and physical activity level. The PCOS group demonstrated significantly better cardiorespiratory fitness (VO2max per kg (30.9 ± 7.6 vs. 24.8 ± 4.1 mL/kg/min; p = 0.010), VO2max per kg of fat-free mass (52.4 ± 8.9 vs. 45.3 ± 6.2 mL/kg/min; p = 0.018)), strength levels (handgrip per kg (0.36 ± 0.09 vs. 0.30 ± 0.08; p = 0.009), handgrip per kg of fat-free mass (13.03 ± 2.32 vs. 11.50 ± 1.91; p = 0.001)) and exercise capacity (METs at test (14.4 ± 2.72 vs. 12.5 ± 1.72 METs; p = 0.019)). In this study, women with PCOS showed a better cardiorespiratory fitness and strength than the control group. The only determinant that could explain the differences observed seems to be the presence of the syndrome itself. These results suggest that PCOS per se does not limit exercise capacity and does not exclude good functional capacity.
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Affiliation(s)
- Veronica Baioccato
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
- Correspondence: (V.B.); (G.Q.); (M.V.)
| | - Giulia Quinto
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
- Correspondence: (V.B.); (G.Q.); (M.V.)
| | - Sara Rovai
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
| | - Francesca Conte
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
| | - Francesca Dassie
- Department of Medicine, Clinica Medica 3, Azienda Ospedaliera Padova, University of Padova, 35122 Padova, Italy
| | - Daniel Neunhäeuserer
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
| | - Marco Vecchiato
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
- Correspondence: (V.B.); (G.Q.); (M.V.)
| | - Stefano Palermi
- Public Health Department, University of Naples Federico II, 80138 Naples, Italy
| | - Andrea Gasperetti
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
| | - Valentina Bullo
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
| | - Valentina Camozzi
- Endocrinology Division, Department of Medicine, Padova University Hospital, 35128 Padova, Italy
| | - Roberto Vettor
- Department of Medicine, Clinica Medica 3, Azienda Ospedaliera Padova, University of Padova, 35122 Padova, Italy
| | - Andrea Ermolao
- Sport and Exercise Medicine Division, Department of Medicine, Padova University Hospital, Regional Centre for Exercise Prescription in Chronic Diseases, 35128 Veneto, Italy
| | - Roberto Mioni
- Department of Medicine, Clinica Medica 3, Azienda Ospedaliera Padova, University of Padova, 35122 Padova, Italy
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Alrasheed AO, Samman AM, Tarabzoni OE, Alnumani MS, Alkhamis M, Hilabi A, Alharbi FS, Alraddadi AS, Almuklass A. Hand Grip Strength as an Index of Health Does Not Associate With Insomnia: A Cross-Sectional Study. Cureus 2022; 14:e26170. [PMID: 35891808 PMCID: PMC9302944 DOI: 10.7759/cureus.26170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2022] [Indexed: 11/05/2022] Open
Abstract
Introduction Insomnia is one of the most prevalent diseases globally, with many adults around the world suffering from at least one of its symptoms. It has a significant effect on the body's normal physiology and may lead to the development of chronic diseases that impair the main functional domains of health and cognition if left untreated. Handgrip strength (HGS) has previously been linked to several diseases that occur in tandem with insomnia. Thus, this study aimed to investigate the association between HGS and insomnia. Materials and methods This is a cross-sectional study in which the involved participants were approached in different locations. The participants were surveyed using the Insomnia Severity Index (ISI) to evaluate the presence of insomnia. A hydraulic hand dynamometer was used to measure the HGS of the participants' right and left hands. Results A total of 494 questionnaires were collected, including 365 (74%) males and 129 females (26%). About 16% of females had insomnia, compared to 15% of males. There was no significant association between gender and insomnia (P=0.873). The difference between the mean HGS for the right and left hands among males and females was not statistically significant (P>0.05). The correlation coefficients of the right and left HGS scores with insomnia were r=0.019 and r=0.018, respectively, which showed no statistically significant association (P>0.05). Conclusions The study found no significant association between HGS and insomnia. The study recommends conducting further large-scale studies focusing on specific groups in the population to understand the relationship between HGS and chronic sleep disturbance.
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Dichtel LE, Cordoba-Chacon J, Kineman RD. Growth Hormone and Insulin-Like Growth Factor 1 Regulation of Nonalcoholic Fatty Liver Disease. J Clin Endocrinol Metab 2022; 107:1812-1824. [PMID: 35172328 PMCID: PMC9202731 DOI: 10.1210/clinem/dgac088] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Indexed: 11/19/2022]
Abstract
Patients with obesity have a high prevalence of nonalcoholic fatty liver disease (NAFLD), representing a spectrum of simple steatosis to nonalcoholic steatohepatitis (NASH), without and with fibrosis. Understanding the etiology of NAFLD is clinically relevant since NAFLD is an independent risk factor for diabetes and cardiovascular disease. In addition, NASH predisposes patients to the development of cirrhosis and hepatocellular carcinoma, and NASH cirrhosis represents the fastest growing indication for liver transplantation in the United States. It is appreciated that multiple factors are involved in the development and progression of NAFLD. Growth hormone (GH) and insulin-like growth factor 1 (IGF1) regulate metabolic, immune, and hepatic stellate cell function, and alterations in the production and function of GH is associated with obesity and NAFLD/NASH. Therefore, this review will focus on the potential role of GH and IGF1 in the regulation of hepatic steatosis, inflammation, and fibrosis.
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Affiliation(s)
- Laura E Dichtel
- Neuroendocrine Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jose Cordoba-Chacon
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Illinois at Chicago, Chicago, IL, USA
| | - Rhonda D Kineman
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Illinois at Chicago, Chicago, IL, USA
- Jesse Brown VA Medical Center, Research and Development Division, Chicago, IL, USA
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Lehtihet M, Stephanou C, Börjesson A, Bhuiyan H, Pohanka A, Ekström L. Studies of IGF-I and Klotho Protein in Relation to Anabolic-Androgenic Steroid and Growth Hormone Administrations. Front Sports Act Living 2022; 4:829940. [PMID: 35434614 PMCID: PMC9008280 DOI: 10.3389/fspor.2022.829940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 02/28/2022] [Indexed: 11/13/2022] Open
Abstract
It has been suggested to longitudinally monitor Insulin-like growth factor I (IGF-I) as a biomarker for the detection of recombinant growth hormone (GH). Subsequently, it is of interest to understand any confounders of endogenous IGF-I. Herein we have studied if serum IGF-I concentration is affected by the intake of anabolic androgenic steroids (AAS) and the potential connection between IGF-I and klotho protein. Moreover, the usefulness of klotho as a biomarker for recombinant GH intake was assessed in healthy male volunteers. An ongoing administration of AAS did not affect the levels of IGF-I. Klotho protein was ~30% higher in men with an ongoing AAS use compared to those with previous (>2 months ago) AAS use, and the serum klotho protein correlated negatively with luteinizing hormone (LH) (rs = −0.38, p = 0.04) and follicle stimulating hormone (FSH) (rs = −0.35, p = 0.05) levels. Serum IGF-I and klotho concentrations showed no correlation in the AAS using population but showed a strong negative correlation in healthy volunteers (rs = −0.86, p = 0.006). The intake of recombinant GH did not affect the serum concentrations of the klotho levels. In conclusion, IGF-I was not affected by supra-physiological AAS doses in men. Interestingly, an association between AAS intake and serum klotho was seen. The usefulness of klotho as an androgen biomarker warrants further studies, whereas klotho can be discarded as a promising biomarker for GH doping.
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Affiliation(s)
- Mikael Lehtihet
- Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | - Annica Börjesson
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Hasanuzzaman Bhuiyan
- Doping Control Laboratory, Department of Clinical Pharmacology, Karolinska University Hospital, Huddinge, Sweden
| | - Anton Pohanka
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- Doping Control Laboratory, Department of Clinical Pharmacology, Karolinska University Hospital, Huddinge, Sweden
| | - Lena Ekström
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- *Correspondence: Lena Ekström
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Gou P, Cheng X, Leng J, Su N. A Real-World Study of Recombinant Human Growth Hormone in the Treatment of Idiopathic Short Stature and Growth Hormone Deficiency. Ther Clin Risk Manag 2022; 18:113-124. [PMID: 35342293 PMCID: PMC8943615 DOI: 10.2147/tcrm.s363564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/07/2021] [Indexed: 12/02/2022] Open
Abstract
Objective This study aimed to evaluate the clinical efficacy of recombinant human growth hormone (rhGH) in the treatment of children with idiopathic short stature (ISS) and growth hormone deficiency (GHD) and to explore the related factors affecting treatment efficacy. Methods The current research reflects a real-world study. A total of 79 patients with ISS and 95 patients with GHD (both groups pre-puberty) who had been treated with rhGH for more than one year from January 2010 to September 2019 were included in this study. The patients were divided into two groups, ie, an ISS and a GHD group, respectively. The growth indexes, such as chronological age (CA), bone age (BA), height standard deviation score (HtSDS), insulin-like growth factor-1 (IGF-1) SDS, and body mass index were recorded and compared between the two groups before and after treatment. The treatment efficacy was evaluated according to changes in HtSDS before and after treatment, and the influencing factors of clinical efficacy were analyzed using a multivariate regression model. Results At the start of treatment, the differences in CA, BA, height, weight, sexual development stage, HtSDS, mid-parental height SDS, and IGF-1 SDS between the two groups were not statistically significant (P > 0.05). However, the initial dose of rhGH in the GHD group was significantly lower than in the ISS group (P < 0.001). Following rhGH treatment, the differences in CA, BA, BA/CA ratio, and IGF-1 SDS measured at 6, 12, 18, and 24 months between the ISS and GHD groups were not statistically significant, while the difference in HtSDS measured at 6 months was statistically significant. With the extension of rhGH treatment time, the annual growth rate (GV) gradually decreased, and the difference between HtSDS and the baseline gradually increased; however, the differences between the ISS and GHD groups were not statistically significant. The most important factor affecting the treatment efficacy for patients with ISS was age at the start of treatment; the most important factors affecting the treatment efficacy for patients with GHD were age and IGF-1 SDS. Conclusion Recombinant human growth hormone treatment can significantly improve the height of patients with ISS and GHD. There was no significant difference in growth rate between patients with ISS and those with GHD at relatively high doses. The common factor affecting the treatment efficacy of the two groups was the age at the start of treatment. During treatment, monitored data indicated that rhGH treatment of GHD and ISS thyroid function showed a clinical phenomenon in the form of increased free triiodothyronine, rather than hypothyroidism, which was rarely reported in existing studies.
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Affiliation(s)
- Peng Gou
- Department of Children Genetics and Endocrinology and Metabolism, Chengdu Women and Children Center Hospital, Chengdu, Sichuan, 610074, People’s Republic of China
| | - Xinran Cheng
- Department of Children Genetics and Endocrinology and Metabolism, Chengdu Women and Children Center Hospital, Chengdu, Sichuan, 610074, People’s Republic of China
- Correspondence: Xinran Cheng Department of Children Genetics and Endocrinology and Metabolism, Chengdu Women and Children Center Hospital, No. 1617, Riyue Avenue, Qingyang District, Chengdu, Sichuan, 610074, People’s Republic of ChinaTel +86 28 6186 6142Fax +86 28 6186 6197 Email
| | - Jie Leng
- Department of Children Genetics and Endocrinology and Metabolism, Chengdu Women and Children Center Hospital, Chengdu, Sichuan, 610074, People’s Republic of China
| | - Na Su
- Department of Children Genetics and Endocrinology and Metabolism, Chengdu Women and Children Center Hospital, Chengdu, Sichuan, 610074, People’s Republic of China
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Valencia CPL, Franco LÁÁ, Herrera DH. Association of single nucleotide polymorphisms in the CAPN, CAST, LEP, GH, and IGF-1 genes with growth parameters and ultrasound characteristics of the Longissimus dorsi muscle in Colombian hair sheep. Trop Anim Health Prod 2022; 54:82. [PMID: 35088174 DOI: 10.1007/s11250-022-03086-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 01/20/2022] [Indexed: 10/19/2022]
Abstract
Recognition of the genes that influence livestock production characteristics has allowed researchers to identify single nucleotide polymorphisms (SNPs) associated with phenotypic traits that contribute to higher productivity. The objective of this research was to associate SNPs in the genes calpain (CAPN), calpastatin (CAST), leptin (LEP), growth hormone (GH), and insulin-like growth factor 1 (IGF-1) with the growth characteristics birth weight (BW), weaning weight adjusted at 120 days (WW), daily pre-weaning gain (PRADG), adjusted weight at 210 days (AW210), and daily post-weaning gain (POADG), and the measures of the Longissimus dorsi muscle based on ultrasound, namely loin eye area (LEA), loin depth (LD), and back fat thickness (BFT), in Colombian hair sheep (OPC). The association between phenotypic and genotypic characteristics was made using the PLINK v.1.9 program using linear regression analysis. There was a statistically significant association (p < 0.05) between the CAST polymorphism (M/N) and BW, a tendency (p = 0.07) for an association between the T → C SNP of the CAPN gene and AW210, and a trend (p = 0.07) for an association between the A → G SNP of the IGF-1 locus and POADG. The LEA and BFT characteristics were not associated with a SNP, while PL was significantly affected by SNPs in the GH and IGF-1 genes. In conclusion, all the genes evaluated were polymorphic, the CAST gene significantly influenced BW, and the GH and IGF-1 genes were associated with LD characteristics. These results could be used to identify individuals with favorable genotypes to implement a marker-assisted selection method.
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Ságová I, Pavai D, Kantárová D, Holováčová D, Kužma M, Payer J, Vaňuga P. Influence of Disease Activity and Body Composition Parameters on Cross-Sectional Area of the Median Nerve in Acromegalic Patients. Physiol Res 2021. [DOI: 10.33549//physiolres.934681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Carpal tunnel syndrome (CTS) is neuropathy that occurs due to compression of the median nerve in the carpal tunnel. Acromegaly is one of the important causes of CTS. The aim of this study was to examine median nerve with ultrasound in acromegalic patients and to assess the relationship with activity, duration of disease and body composition parameters. We prospectively examined the cross-sectional area (CSA) of the median nerve with high-resolution ultrasound in 107 acromegalic patients – control group (70 females and 37 males) and 107 healthy controls (70 females and 37 males) matched for age, gender, and BMI. Body composition parameters were assessed by dual-energy X-ray absorptiometry (DXA). The Student t-tests and Pearson correlation were used for data analysis. The cross sectional area of the median nerve was increased in acromegalic patients compared to controls (11.9±4.8 mm2 vs. 7.7±2.4 mm2, P<0.001). Positive correlation was found between IGF-1 levels and CSA in the acromegalic group (R = 0.400, P<0.001). Relationship between CSA and duration of acromegaly was not confirmed. In acromegalic patients, BMI correlated with the CSA (R=0.294, P=0.002). There was no significant difference in BMI, fat mass between the acromegalic and control group, but lean mass was higher in acromegalic patients compared with controls (54.8±13.3 vs. 51±11.6, P=0.047). Lean mass and LMI (total body lean mass/height) positively correlated with CSA in acromegalic patients (R=0.340, P<0.001; R=0.424, P<0.001). No correlation was observed between fat mass and CSA of median nerve in all groups. We confirmed the enlargement of the median nerve in acromegalic patients. This enlargement is proportional to the degree of IGF-1 levels and is not dependent on the duration of the disease. The enlargement of the median nerve in acromegalic patients also depends on lean body mass and is not dependent on fat body mass.
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Affiliation(s)
- I. Ságová
- Department of Endocrinology, National Institute of Endocrinology and Diabetology, Ľubochňa, Slovakia.
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Bayat D, Tadibi V. Acute growth hormone response to concurrent strength–sprint training with different orders in strength-trained men. SPORT SCIENCES FOR HEALTH 2021. [DOI: 10.1007/s11332-021-00743-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Ságová I, Pavai D, Kantárová D, Holováčová D, Kužma M, Payer J, Vaňuga P. Influence of Disease Activity and Body Composition Parameters on Cross-Sectional Area of the Median Nerve in Acromegalic Patients. Physiol Res 2021; 70:921-929. [PMID: 34717059 DOI: 10.33549/physiolres.934681] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Carpal tunnel syndrome (CTS) is neuropathy that occurs due to compression of the median nerve in the carpal tunnel. Acromegaly is one of the important causes of CTS. The aim of this study was to examine median nerve with ultrasound in acromegalic patients and to assess the relationship with activity, duration of disease and body composition parameters. We prospectively examined the cross-sectional area (CSA) of the median nerve with high-resolution ultrasound in 107 acromegalic patients (70 females and 37 males) and 107 healthy controls (70 females and 37 males) matched for age, gender, and BMI. Body composition parameters were assessed by dual-energy X-ray absorptiometry (DXA). The Student t-tests and Pearson correlation were used for data analysis. The cross sectional area of the median nerve was increased in acromegalic patients compared to controls (11.9 ± 4.8 mm2 vs. 7.7 ± 2.4 mm2, P < 0.001). Positive correlation was found between IGF-1 levels and CSA in the acromegalic group (R = 0.400, P < 0.001). Relationship between CSA and duration of acromegaly was not confirmed. In acromegalic patients, BMI correlated with the CSA (R = 0.294, P = 0.002). There was no significant difference in BMI, fat mass between the acromegalic and control group, but lean mass was higher in acromegalic patients compared with controls (54.8 ± 13.3 vs. 51 ± 11.6, P = 0.047). Lean mass and LMI (total body lean mass/height) positively correlated with CSA in acromegalic patients (R = 0.340, P < 0.001; R = 0.424, P < 0.001). No correlation was observed between fat mass and CSA of median nerve in either group. We confirmed the enlargement of the median nerve in acromegalic patients. This enlargement is proportional to the degree of IGF-1 levels and is not dependent on the duration of the disease. The enlargement of the median nerve in acromegalic patients also depends on lean body mass and is not dependent on fat body mass.
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Affiliation(s)
- I Ságová
- Department of Endocrinology, National Institute of Endocrinology and Diabetology, Ľubochňa, Slovakia.
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Soliman A, Rogol AD, Elsiddig S, Khalil A, Alaaraj N, Alyafie F, Ahmed H, Elawwa A. Growth response to growth hormone (GH) treatment in children with GH deficiency (GHD) and those with idiopathic short stature (ISS) based on their pretreatment insulin-like growth factor 1 (IGFI) levels and at diagnosis and IGFI increment on treatment. J Pediatr Endocrinol Metab 2021; 34:1263-1271. [PMID: 34291621 DOI: 10.1515/jpem-2021-0389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 06/26/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Some idiopathic short stature (ISS) patients may have varying degrees of insulin-like growth factor 1 (IGFI) deficiency. Others with growth hormone deficiency (GHD) (peak GH < 7 ng/dL after provocation) have normal IGFI levels. Do children with ISS or those with GHD with variable pretreatment IGFI standard deviation score (IGFISDS) have different IGFI and growth responses to recombinant human growth hormone (rhGH) therapy? METHODS We studied the effect of GH therapy (0.035-0.06 mg/kg/day) on linear growth and weight gain per day (WGPD) in children with ISS (n=13) and those with GHD (n=10) who have low pretreatment IGFISDS (IGF SDS < -1.5) and compared them with age-matched prepubertal children with ISS (n=10) and GHD (n=17) who had normal pretreatment IGFISDS. An untreated group of children with ISS (n=12) served as a control group. RESULTS At presentation, the height standard deviation score (HtSDS) of children with ISS who had low pretreatment IGFISDS was significantly lower compared to the normal IGFI group. The age, body mass index (BMI), BMISDS, peak GH response to clonidine provocation and bone age did not differ between the two study groups. After 1 year of treatment with rhGH (0.035-0.06 mg/kg/day) IGFISDS increased significantly in both groups (p<0.05). Both had significantly increased HtSDS (catch-up growth). The increase in the HtSDS and WGPD were significantly greater in the lower pretreatment IGFISDS group. The IGFSDS, BMISDS, HtSDS and difference between HtSDS and mid-parental HtSDS were significantly greater in the rhGH treated groups vs. the not treated group. In the GHD groups (normal and low IGFISDS), after 1 year of GH therapy (0.03-0.05 mg/kg/day), the HtSDS increased significantly in both, (p<0.01). The WGPD and increment in BMI were significantly greater in children who had low pretreatment IGFISDS. There was a significant increase in the IGFSDS in the two treated groups (p<0.05), however, the WGPD was greater in the pretreatment low IGFISDS. CONCLUSIONS IGFI deficiency represents a low anabolic state. Correction of IGFI level (through rhGH and/or improved nutrition) in short children (ISS and GHD) was associated with increased linear growth and WGPD denoting significant effect on bone growth and muscle protein accretion.
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Affiliation(s)
- Ashraf Soliman
- Department of Pediatrics, Hamad General Hospital, Doha, Qatar
| | - Alan D Rogol
- Department of Pediatrics, University of Virginia, Charlottesville, VA, USA
| | - Sohair Elsiddig
- Department of Pediatrics, Hamad General Hospital, Doha, Qatar
| | - Ahmed Khalil
- Department of Clinical Pharmacy, Hamad General Hospital, Doha, Qatar
| | - Nada Alaaraj
- Department of Pediatrics, Hamad General Hospital, Doha, Qatar
| | - Fawzia Alyafie
- Department of Pediatrics, Hamad General Hospital, Doha, Qatar
| | - Hannah Ahmed
- Department of Pediatrics, Hamad General Hospital, Doha, Qatar
| | - Ahmed Elawwa
- Department of Pediatrics, Alexandria University, Alexandria, Egypt
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Hanna DJ, Jamieson ST, Lee CS, Pluskota CA, Bressler NJ, Benotti PN, Khurana S, Rolston DDK, Still CD. "Bioelectrical impedance analysis in managing sarcopenic obesity in NAFLD". Obes Sci Pract 2021; 7:629-645. [PMID: 34631140 PMCID: PMC8488453 DOI: 10.1002/osp4.509] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 02/02/2021] [Accepted: 02/11/2021] [Indexed: 11/08/2022] Open
Abstract
INTRODUCTION Sarcopenic obesity and its association with nonalcoholic fatty liver disease (NAFLD) is under-recognized by many healthcare providers in Western medicine due to the lack of awareness and diagnostic guidelines. The result is delayed recognition and treatment, which leads to further health deterioration and increased healthcare costs. Sarcopenic obesity is characterized by the presence of increased fat mass in combination with muscle catabolism related to chronic inflammation and/or inactivity. Previous research has recommended evaluating body composition and physical function performance to adequately diagnose sarcopenic obesity. Body composition analysis can be performed by imaging applications through magnetic resonance imaging, computed tomography, and dual-energy x-ray absorptiometry. Due to the cost of each device and radiation exposure for patients as evidenced in all three modalities, bioelectrical impedance analysis offers a noninvasive approach capable of providing quick and reliable estimates of lean body and fat mass. METHODS AND RESULTS This review analyzes the current evidence-based literature, indicating a lower skeletal muscle mass and increased visceral adipose tissue correlation to the advancement of fibrosis in fatty liver disease. CONCLUSION Given the substantial promising research conducted in predominantly Asian populations regarding body tissue distribution and NAFLD, additional prospective research is needed to extend these findings in Western populations.
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Affiliation(s)
- David J. Hanna
- Obesity InstituteGeisinger Health SystemDanvillePennsylvaniaUSA
- Department of Gastroenterology and HepatologyGeisinger Health SystemDanvillePennsylvaniaUSA
| | | | | | | | | | | | - Sandeep Khurana
- Department of Gastroenterology and HepatologyGeisinger Health SystemDanvillePennsylvaniaUSA
| | - David D. K. Rolston
- Obesity InstituteGeisinger Health SystemDanvillePennsylvaniaUSA
- Department of Internal MedicineGeisinger Health SystemDanvillePennsylvaniaUSA
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Esclarin-Ruz A, Rodríguez-Carrión I, Ceruelo-Abajo S, Palazón-Garcia R, Ayuga-Loro F, Carrasco-Lopez C, Alcobendas-Maestro M, Casado-Lopez RM, Talavera-Diaz F, Soto-León V, Campolo M, Romero-Ganuza FJ, Florensa-Vila J, Garcia-Marco D, Rotondi M, Oliviero A. Phase II/III placebo-controlled randomized trial of safety and efficacy of growth hormone treatment in incomplete chronic traumatic spinal cord injury. Spinal Cord 2021; 59:917-924. [PMID: 34226654 DOI: 10.1038/s41393-021-00662-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 06/20/2021] [Accepted: 06/21/2021] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN This is a double blind phase II/III placebo-controlled randomized trial of the safety and efficacy of GH treatment in incomplete chronic traumatic spinal cord injury. OBJECTIVE The aim of this study was to investigate the possibility to use exogenous GH administration for motor recovery in chronic traumatic incomplete human SCI. The objectives were to establish safety and efficacy of a combined treatment of subcutaneous GH (or placebo) and rehabilitation in this population. SETTING Hospital Nacional de Parapléjicos METHODS: The pharmacological treatment was a subcutaneous daily dose of growth hormone (GH, Genotonorm 0.4 mg, Pfizer Pharmaceuticals) or placebo for one year. The pharmacological treatment was performed, during the first six months under hospitalization and supervised rehabilitation. RESULTS The main findings were that the combined treatment of GH plus rehabilitation treatment is feasible and safe, and that GH but not placebo increases the ISNCSCI motor score. On the other hand, the motor-score increment was marginal (after one-year combined treatment, the mean increment of the motor-score was around 2.5 points). Moreover, we found that intensive and long-lasting rehabilitation program per se increases the functional outcome of SCI individuals (measured using SCIM III and WISCI II). CONCLUSIONS It is important to highlight that our aim was to propose GH as a possible treatment to improve motor functions in incomplete SCI individuals. At least with the doses we used, we think that the therapeutic effects of this approach are not clinically relevant in most subjects with SCI.
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Affiliation(s)
- Ana Esclarin-Ruz
- Physical and Rehabilitation Medicine Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | | | - Silvia Ceruelo-Abajo
- Physical and Rehabilitation Medicine Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | - Ramiro Palazón-Garcia
- Physical and Rehabilitation Medicine Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | | | | | - Monica Alcobendas-Maestro
- Physical and Rehabilitation Medicine Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | - Rosa M Casado-Lopez
- Physical and Rehabilitation Medicine Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | - Francisco Talavera-Diaz
- Physical and Rehabilitation Medicine Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | - Vanesa Soto-León
- FENNSI group, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | - Michela Campolo
- FENNSI group, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | | | - Jose Florensa-Vila
- Radiology Department, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | | | - Mario Rotondi
- Unit of Internal Medicine and Endocrinology, ICS-Maugeri I.R.C.C.S., Laboratory for Endocrine Disruptors and University of Pavia, Pavia, Italy
| | - Antonio Oliviero
- FENNSI group, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain.
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Watson MD, Cross BL, Grosicki GJ. Evidence for the Contribution of Gut Microbiota to Age-Related Anabolic Resistance. Nutrients 2021; 13:706. [PMID: 33672207 PMCID: PMC7926629 DOI: 10.3390/nu13020706] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/08/2021] [Accepted: 02/19/2021] [Indexed: 12/11/2022] Open
Abstract
Globally, people 65 years of age and older are the fastest growing segment of the population. Physiological manifestations of the aging process include undesirable changes in body composition, declines in cardiorespiratory fitness, and reductions in skeletal muscle size and function (i.e., sarcopenia) that are independently associated with mortality. Decrements in muscle protein synthetic responses to anabolic stimuli (i.e., anabolic resistance), such as protein feeding or physical activity, are highly characteristic of the aging skeletal muscle phenotype and play a fundamental role in the development of sarcopenia. A more definitive understanding of the mechanisms underlying this age-associated reduction in anabolic responsiveness will help to guide promyogenic and function promoting therapies. Recent studies have provided evidence in support of a bidirectional gut-muscle axis with implications for aging muscle health. This review will examine how age-related changes in gut microbiota composition may impact anabolic response to protein feeding through adverse changes in protein digestion and amino acid absorption, circulating amino acid availability, anabolic hormone production and responsiveness, and intramuscular anabolic signaling. We conclude by reviewing literature describing lifestyle habits suspected to contribute to age-related changes in the microbiome with the goal of identifying evidence-informed strategies to preserve microbial homeostasis, anabolic sensitivity, and skeletal muscle with advancing age.
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Affiliation(s)
| | | | - Gregory J. Grosicki
- Biodynamics and Human Performance Center, Georgia Southern University (Armstrong Campus), Savannah, GA 31419, USA; (M.D.W.); (B.L.C.)
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Liu C, Li S, Li Y, Tian J, Sun X, Song T, Yan G, Ding L, Sun H. Growth hormone ameliorates the age-associated depletion of ovarian reserve and decline of oocyte quality via inhibiting the activation of Fos and Jun signaling. Aging (Albany NY) 2021; 13:6765-6781. [PMID: 33621201 PMCID: PMC7993724 DOI: 10.18632/aging.202534] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 12/12/2020] [Indexed: 01/03/2023]
Abstract
Oocyte quality typically begins to decline with aging, which contributes to subfertility and infertility. However, there is still no effective treatment to restore the ovarian reserve and improve aged-oocyte quality. According to the present study, growth hormone (GH) secretion changes with maternal age in female mice. After intraperitoneal injection with GH (1 mg/kg body weight) every two days for two months, the 10-month-old mice showed a better ovarian reserve and oocyte quality than control mice. GH treatment decreased the occurrence rate of aneuploidy caused by spindle/chromosome defects. Additionally, the single oocyte transcriptome analysis indicated that GH decreased the expression of apoptosis-related genes in oocytes. It was also observed that GH treatment reduced the expression of γH2AX and apoptosis of aged oocytes via decreasing the activation of Fos and Jun. Collectively, our results indicate that GH treatment is an effective way to reverse the age-associated depletion of ovarian reserve and the decline of oocyte quality by decreasing apoptosis.
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Affiliation(s)
- Chuanming Liu
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Shiyuan Li
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Yifan Li
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Jiao Tian
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Xiaoling Sun
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Tianran Song
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Guijun Yan
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Lijun Ding
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
- Center for Clinical Stem Cell Reasearch, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
| | - Haixiang Sun
- Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, People’s Republic of China
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Emerging physiological and pathological roles of MeCP2 in non-neurological systems. Arch Biochem Biophys 2021; 700:108768. [PMID: 33485848 DOI: 10.1016/j.abb.2021.108768] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 01/08/2021] [Accepted: 01/14/2021] [Indexed: 02/08/2023]
Abstract
Numerous neurological and non-neurological disorders are associated with dysfunction of epigenetic modulators, and methyl CpG binding protein 2 (MeCP2) is one of such proteins. Initially identified as a transcriptional repressor, MeCP2 specifically binds to methylated DNA, and mutations of MeCP2 have been shown to cause Rett syndrome (RTT), a severe neurological disorder. Recently, accumulating evidence suggests that ubiquitously expressed MeCP2 also plays a central role in non-neurological disorders including cardiac dysfunction, liver injury, respiratory disorders, urological dysfunction, adipose tissue metabolism disorders, movement abnormality and inflammatory responses in a DNA methylation dependent or independent manner. Despite significant progresses in our understanding of MeCP2 over the last few decades, there is still a considerable knowledge gap to translate the in vitro and in vivo experimental findings into therapeutic interventions. In this review, we provide a synopsis of the role of MeCP2 in the pathophysiology of non-neurological disorders, MeCP2-based research directions and therapeutic strategies for non-neurological disorders are also discussed.
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GH/IGF-1 Abnormalities and Muscle Impairment: From Basic Research to Clinical Practice. Int J Mol Sci 2021; 22:ijms22010415. [PMID: 33401779 PMCID: PMC7795003 DOI: 10.3390/ijms22010415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/22/2020] [Accepted: 12/28/2020] [Indexed: 12/29/2022] Open
Abstract
The impairment of skeletal muscle function is one of the most debilitating least understood co-morbidity that accompanies acromegaly (ACRO). Despite being one of the major determinants of these patients’ poor quality of life, there is limited evidence related to the underlying mechanisms and treatment options. Although growth hormone (GH) and insulin-like growth factor-1 (IGF-1) levels are associated, albeit not indisputable, with the presence and severity of ACRO myopathies the precise effects attributed to increased GH or IGF-1 levels are still unclear. Yet, cell lines and animal models can help us bridge these gaps. This review aims to describe the evidence regarding the role of GH and IGF-1 in muscle anabolism, from the basic to the clinical setting with special emphasis on ACRO. We also pinpoint future perspectives and research lines that should be considered for improving our knowledge in the field.
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Eklund E, Hellberg A, Berglund B, Brismar K, Hirschberg AL. IGF-I and IGFBP-1 in Relation to Body Composition and Physical Performance in Female Olympic Athletes. Front Endocrinol (Lausanne) 2021; 12:708421. [PMID: 34484121 PMCID: PMC8415455 DOI: 10.3389/fendo.2021.708421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 07/31/2021] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION Insulin- like growth factor-I (IGF-I) is an anabolic hormone that may affect athletic performance in female athletes, and insulin-like growth factor binding protein-1 (IGFBP-1) is an important regulator of bioactive IGF-I. There is limited knowledge of the role of endogenous IGF-I and IGFBP-1 for body composition and physical performance in female elite athletes. PURPOSE To examine IGF-I, age adjusted IGF-I (IGFSD), IGFBP-1 and insulin in female Olympic athletes compared with controls and different sport categories, and in relation to body composition and physical performance in the athletes. METHODS Female athletes (n=103) and untrained controls (n=113) were included in this cross-sectional study. Body composition was established by dual-energy X-ray absorptiometry. Serum IGF-I and IGFBP-1 were analyzed by radioimmunoassay and IGFSD was calculated. Insulin was analyzed by electrochemiluminescence immunoassay. Athletes were offered to participate in standardized physical fitness tests. RESULTS The athletes demonstrated significantly higher IGF-I, IGFSD and IGFBP-1 and lower insulin levels than controls (p<0.05, p<0.05, p<0.01, p<0.001 respectively). Power athletes had significantly higher IGFSD compared to both endurance and technical athletes (p<0.05, p<0.01, respectively). In athletes and controls combined, significant positive correlations were found between IGF variables and higher bone mineral density (BMD) and lean mass and lower fat percent. IGF-I was positively correlated with squat jump (rs = 0.28, p<0.05) and IGFBP-1 correlated positively with squats (rs =0.35, p<0.05). CONCLUSION We found higher IGF-I, IGFSD and IGFBP-1 in female athletes than controls, and the highest IGFSD in power athletes. IGF-I and IGFBP-1 were related to increased BMD and lean mass and lower fat percent, as well as were positively associated with physical fitness tests. Future studies are needed to elucidate if these results reflect adaptive responses to physical activity or genetic predisposition.
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Affiliation(s)
- Emma Eklund
- Department of Women’s and Children’s Health, Division of Neonatology, Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
| | - Anton Hellberg
- Department of Women’s and Children’s Health, Division of Neonatology, Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
| | - Bo Berglund
- Department of Internal Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Kerstin Brismar
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Angelica Lindén Hirschberg
- Department of Women’s and Children’s Health, Division of Neonatology, Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
- Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, Stockholm, Sweden
- *Correspondence: Angelica Lindén Hirschberg,
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Mizera Ł, Halupczok-Żyła J, Kolačkov K, Zembska A, Grzegrzółka J, Jędrzejuk D, Bolanowski M, Daroszewski J. Myokines in Acromegaly: An Altered Irisin Profile. Front Endocrinol (Lausanne) 2021; 12:728734. [PMID: 34795636 PMCID: PMC8593228 DOI: 10.3389/fendo.2021.728734] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 10/13/2021] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION The muscle is an endocrine organ controlling metabolic homeostasis. Irisin and myostatin are key myokines mediating this process. Acromegaly is a chronic disease with a wide spectrum of complications, including metabolic disturbances. PURPOSE To examine the influence of acromegaly on irisin and myostatin secretion and their contribution to metabolic profile and body composition. MATERIALS AND METHODS In 43 patients with acromegaly and 60 controls, serum levels of irisin, myostatin, growth hormone (GH), insulin-like growth factor 1 (IGF-1), parameters of glucose, and lipid metabolism were determined. Body composition was assessed with dual-energy x-ray absorptiometry. RESULTS The irisin concentration was significantly lower in patients with acromegaly compared to controls (3.91 vs. 5.09 μg/ml, p = 0.006). There were no correlations between irisin and GH/IGF-1 levels. In the study group, irisin was negatively correlated with fasting insulin (r = -0.367; p = 0.042), HOMA-IR (r = -0.510; p = 0.011), and atherogenic factors: Castelli I (r = -0.416; p = 0.005), Castelli II (r = -0.400; p = 0.001), and atherogenic coefficient (AC) (r = -0.417; p = 0.05). Irisin and myostatin concentrations were also lower in acromegalics with insulin resistance than without (2.80 vs. 4.18 μg/ml, p = 0.047; 81.46 vs. 429.58 ng/L, p = 0.018, respectively). There were no differences between study group and controls in myostatin concentration. Myostatin levels negatively correlated with GH (r = -0.306; p = 0.049), HOMA-IR (r = -0.046; p = 0.411), and insulin levels (r = -0.429; p = 0.016). CONCLUSIONS Decreased irisin concentrations in acromegaly may suggest impaired hormonal muscle function contributing to metabolic complications in this disorder. However, learning more about the association between myostatin and GH in acromegaly requires further studies. Nevertheless, it appears that myostatin is not critical for muscle mass regulation in acromegaly.
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Affiliation(s)
- Łukasz Mizera
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
| | - Jowita Halupczok-Żyła
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
- *Correspondence: Jowita Halupczok-Żyła,
| | - Katarzyna Kolačkov
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
| | - Agnieszka Zembska
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
| | - Jędrzej Grzegrzółka
- Department of Histology and Embryology, Wrocław Medical University, Wrocław, Poland
| | - Diana Jędrzejuk
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
| | - Marek Bolanowski
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
| | - Jacek Daroszewski
- Department of Endocrinology, Diabetes and Isotope Therapy, Wrocław Medical University, Wrocław, Poland
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Invernizzi M, de Sire A, Carda S, Venetis K, Renò F, Cisari C, Fusco N. Bone Muscle Crosstalk in Spinal Cord Injuries: Pathophysiology and Implications for Patients' Quality of Life. Curr Osteoporos Rep 2020; 18:422-431. [PMID: 32519284 DOI: 10.1007/s11914-020-00601-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW The goal of this review is to provide a comprehensive overview of (i) bone and muscle tissue modifications pathophysiology in spinal cord injury (SCI), (ii) experimental data on the physiopathological mechanisms underpinning these modifications and their similarities with the aging process, and (iii) potential clinical implications in the management of the disabling sequelae of SCI. RECENT FINDINGS Several studies attempted to describe the biology underpinning the links between bone and muscle tissues in the setting of highly disabling conditions, such as osteoporosis, sarcopenia, and neurodegenerative disorders, although these bidirectional connections remain still unclear. SCI could be considered an in vivo paradigmatic model of the bone muscle interactions in unloading conditions that might be expanded in the field of neurodegenerative disorders or cancer studies. Future studies should take into consideration the newer insights into bone muscle crosstalk in order to develop multitargeted and therapeutic interventions.
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Affiliation(s)
- Marco Invernizzi
- Physical and Rehabilitative Medicine, Department of Health Sciences, University of Eastern Piedmont, Novara, Italy.
| | - Alessandro de Sire
- Physical and Rehabilitative Medicine, Department of Health Sciences, University of Eastern Piedmont, Novara, Italy
- Rehabilitation Unit, "Mons. L. Novarese" Hospital, Moncrivello, Vercelli, Italy
| | - Stefano Carda
- Neuropsychology and Neurorehabilitation Service, Department of Clinical Neuroscience, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Konstantinos Venetis
- Ph.D. Program in Translational Medicine, University of Milan, Milan, Italy
- Division of Pathology, IRCCS European Institute of Oncology (IEO), Milan, Italy
| | - Filippo Renò
- Innovative Research Laboratory for Wound Healing, Department of Health Sciences, University of Eastern Piedmont, Novara, Italy
| | - Carlo Cisari
- Physical and Rehabilitative Medicine, Department of Health Sciences, University of Eastern Piedmont, Novara, Italy
- Physical Medicine and Rehabilitation Unit, University Hospital "Maggiore della Carità", Novara, Italy
| | - Nicola Fusco
- Division of Pathology, IRCCS European Institute of Oncology (IEO), Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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Guo A, Li K, Xiao Q. Sarcopenic obesity: Myokines as potential diagnostic biomarkers and therapeutic targets? Exp Gerontol 2020; 139:111022. [PMID: 32707318 DOI: 10.1016/j.exger.2020.111022] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023]
Abstract
Sarcopenic obesity (SO) is a condition characterized by the occurrence of both sarcopenia and obesity and imposes a heavy burden on the health of the elderly. Controversies and challenges regarding the definition, diagnosis and treatment of SO still remain because of its complex pathogenesis and limitations. Over the past few decades, numerous studies have revealed that myokines secreted from skeletal muscle play significant roles in the regulation of muscle mass and function as well as metabolic homeostasis. Abnormalities in myokines may trigger and promote the pathogenesis underlying age-related and metabolic diseases, including obesity, sarcopenia, type 2 diabetes (T2D), and SO. This review mainly focuses on the role of myokines as potential biomarkers for the early diagnosis and therapeutic targets in SO.
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Affiliation(s)
- Ai Guo
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Kai Li
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Qian Xiao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Morales-Marroquin E, Kohl HW, Knell G, de la Cruz-Muñoz N, Messiah SE. Resistance Training in Post-Metabolic and Bariatric Surgery Patients: a Systematic Review. Obes Surg 2020; 30:4071-4080. [PMID: 32671727 DOI: 10.1007/s11695-020-04837-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/30/2020] [Accepted: 07/06/2020] [Indexed: 12/24/2022]
Abstract
Resistance exercise guidelines exist for obesity but not for post-metabolic and bariatric surgery (MBS) patients. Therefore, the main goal of the present study is to provide evidence to support resistance exercise guidelines for this population. A secondary goal is to evaluate the available evidence to identify gaps for future research. Nine studies evaluating the effect of resistance exercise post-MBS on strength and body composition were included. Resistance training consistently prevented strength loss and when performed by younger population (~ 35 years) also prevented lean mass loss. Combined exercise, but not strength training independently, was found to promote body fat mass loss. Resistance training should be added to post-MBS exercise programs. Sufficiently powered studies using higher volume resistance training with supportive protein consumption and diverse populations are needed.
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Affiliation(s)
- Elisa Morales-Marroquin
- School of Public Health, Department of Epidemiology, Human Genetics & Environmental Sciences, University of Texas Health Science Center at Houston, Dallas, TX, USA. .,Center for Pediatric Population Health, Children's Health System of Texas, and School of Public Health University of Texas Health, Dallas, TX, USA.
| | - Harold W Kohl
- School of Public Health, Department of Epidemiology, Human Genetics & Environmental Sciences, University of Texas Health Science Center at Houston, Dallas, TX, USA.,Department of Kinesiology, University of Texas, Austin, TX, USA
| | - Gregory Knell
- School of Public Health, Department of Epidemiology, Human Genetics & Environmental Sciences, University of Texas Health Science Center at Houston, Dallas, TX, USA.,Center for Pediatric Population Health, Children's Health System of Texas, and School of Public Health University of Texas Health, Dallas, TX, USA.,Institute for Orthopaedics and Sports Medicine, Children's Health Andrews, Plano, TX, USA
| | | | - Sarah E Messiah
- School of Public Health, Department of Epidemiology, Human Genetics & Environmental Sciences, University of Texas Health Science Center at Houston, Dallas, TX, USA.,Center for Pediatric Population Health, Children's Health System of Texas, and School of Public Health University of Texas Health, Dallas, TX, USA
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Arazi H, Salek L, Nikfal E, Izadi M, Tufano JJ, Elliott BT, Brughelli M. Comparable endocrine and neuromuscular adaptations to variable vs. constant gravity-dependent resistance training among young women. J Transl Med 2020; 18:239. [PMID: 32539753 PMCID: PMC7296723 DOI: 10.1186/s12967-020-02411-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 06/09/2020] [Indexed: 02/05/2023] Open
Abstract
Background Variable resistance has been shown to induce greater total work and muscle activation when compared to constant resistance. However, little is known regarding the effects of chronic exposure to variable resistance training in comparison with constant resistance training. The aim of the present study was therefore to examine the effects of chain-loaded variable and constant gravity-dependent resistance training on resting hormonal and neuromuscular adaptations. Methods Young women were randomly assigned to variable resistance training (VRT; n = 12; age, 23.75 ± 3.64 years; and BMI, 26.80 ± 4.21 kg m−2), constant resistance training (CRT; n = 12; age, 23.58 ± 3.84 years; BMI, 25.25 ± 3.84 kg m−2), or control (Con; n = 12; age, 23.50 ± 2.93 years; BMI, 27.12 ± 12 kg m−2) groups. CRT performed 8-week total-body free-weight training three times per week with moderate-to-high intensity (65–80% 1RM; periodized). VRT was the same as CRT but included variable resistance via chains (15% of total load). Resting serum samples were taken before and after the 8-week intervention for GH, IGF-1, cortisol, myostatin, and follistatin analyses. Results Both VRT and CRT groups displayed moderate-to-large significant increases in GH (197.1%; ES = 0.78 vs. 229.9%; ES = 1.55), IGF-1 (82.3%; ES = 1.87 vs. 66%; ES = 1.66), and follistatin (58.8%; ES = 0.80 vs. 49.15%; ES = 0.80) and decreases in cortisol (− 19.9%; ES = − 1.34 vs. − 17.1%; ES = − 1.05) and myostatin (− 26.9%; ES = − 0.78 vs. − 23.2%; ES = − 0.82). Also, VRT and CRT resulted in large significant increases in bench press (30.54%; ES = 1.45 vs. 25.08%; ES = 1.12) and squat (30.63%; ES = 1.28 vs. 24.81%; ES = 1.21) strength, with no differences between groups. Conclusions Implementing chain-loaded VRT into a periodized resistance training program can be an effective alternative to constant loading during free-weight RT among untrained young women.
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Affiliation(s)
- Hamid Arazi
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, 10 th km of Tehran Road- Khalij-e-Fars Highway, Zip Code: 4199843653, Rasht, Iran.
| | - Lida Salek
- Department of Physical Education, Bandar-e-Anzali Branch, Islamic Azad University, Bandar-e-Anzali, Iran
| | - Elham Nikfal
- Department of Physical Education, Bandar-e-Anzali Branch, Islamic Azad University, Bandar-e-Anzali, Iran
| | - Mani Izadi
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, 10 th km of Tehran Road- Khalij-e-Fars Highway, Zip Code: 4199843653, Rasht, Iran
| | - James J Tufano
- Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - Bradley T Elliott
- Translational Physiology Research Group, School of Life Sciences, University of Westminster, London, UK
| | - Matt Brughelli
- Sports Performance Research Institute New Zealand (SPRINZ), AUT Millennium, Auckland University of Technology, Auckland, New Zealand
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Schwiebert C, Kühnen P, Becker NP, Welsink T, Keller T, Minich WB, Wiegand S, Schomburg L. Antagonistic Autoantibodies to Insulin-Like Growth Factor-1 Receptor Associate with Poor Physical Strength. Int J Mol Sci 2020; 21:ijms21020463. [PMID: 31940750 PMCID: PMC7013472 DOI: 10.3390/ijms21020463] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 01/04/2023] Open
Abstract
Natural autoantibodies to the IGF1 receptor (IGF1R-aAb) have been described in relation to Graves' ophthalmopathy. Other physiological roles of natural IGF1R-aAb are not known. We hypothesized that IGF1R-aAb may be related to muscle development. Serum samples (n = 408) from young overweight subjects (n = 143) were collected during a lifestyle intervention study. Anthropometric parameters, along with leptin, IGF1 and IGF1R-aAb concentrations, were analyzed, and the subjects were categorized into positive or negative for IGF1R-aAb. Eleven out of 143 subjects (7.7%) were positive for IGF1R-aAb. Identified IGF1R-aAb were molecularly characterized and showed antagonistic activity in vitro impairing IGF1-mediated IGF1R activation. Mean body weight, height or age were similar between IGF1R-aAb-positive and -negative subjects, but IGF1 concentrations differed. Jumping ability, as well as right and left handgrip strengths, were lower in the IGF1R-aAb-positive as compared to the IGF1R-aAb-negative subjects. We conclude that natural IGF1R-aAb are detectable in apparently healthy subjects and are capable of antagonizing IGF1-dependent IGF1R activation. Moreover, the presence of IGF1R-aAb is associated with poor physical strength. Although the causality of this association is unclear, the data imply a potential influence of IGF1R autoimmunity on muscle development.
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Affiliation(s)
- Christian Schwiebert
- Institute for Experimental Endocrinology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (C.S.); (N.-P.B.); (T.W.); (W.B.M.)
| | - Peter Kühnen
- Department of Paediatric Endocrinology and Diabetology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (P.K.); (S.W.)
| | - Niels-Peter Becker
- Institute for Experimental Endocrinology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (C.S.); (N.-P.B.); (T.W.); (W.B.M.)
| | - Tim Welsink
- Institute for Experimental Endocrinology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (C.S.); (N.-P.B.); (T.W.); (W.B.M.)
| | - Theresa Keller
- Institute of Biometry and Clinical Epidemiology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Charitéplatz 1, D-10117 Berlin, Germany;
| | - Waldemar B. Minich
- Institute for Experimental Endocrinology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (C.S.); (N.-P.B.); (T.W.); (W.B.M.)
| | - Susanna Wiegand
- Department of Paediatric Endocrinology and Diabetology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (P.K.); (S.W.)
| | - Lutz Schomburg
- Institute for Experimental Endocrinology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Augustenburger Platz 1, D-13353 Berlin, Germany; (C.S.); (N.-P.B.); (T.W.); (W.B.M.)
- Correspondence: ; Tel.: +49-30-450-524289
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Ho KKY. The promise of growth hormone in sport: doped or duped. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2019; 63:576-581. [PMID: 31939482 PMCID: PMC10522236 DOI: 10.20945/2359-3997000000187] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 11/14/2019] [Indexed: 11/23/2022]
Abstract
Skeletal muscle is a target tissue of GH. Based on its anabolic properties, it is widely accepted that GH enhances muscle performance in sports. Athletic performance depends on muscle strength and the energy required to power muscle function. The energy required to power muscle function is derived from a continuum of anaerobic and aerobic sources. Molecular and functional studies provide evidence that in muscle GH stimulates the anaerobic and suppresses the aerobic energy system, in turn affecting power-based functional measures in a time-dependent manner. In recreational athletes, GH improves anaerobic capacity but has not been proven to significantly enhance muscle strength, power, or maximum rate of oxygen consumption. GH appears likely to selectively benefit sprint events and not physical performance that depends on strength and endurance. Arch Endocrinol Metab. 2019;63(6):576-81.
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Affiliation(s)
- Ken K. Y. Ho
- Garvan Institute of Medical ResearchSt Vincent’s HospitalUniversity of New South WalesSydneyAustralia The Garvan Institute of Medical Research, St Vincent’s Hospital and the University of New South Wales, Sydney, Australia
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Yoshikawa M, Morifuji T, Matsumoto T, Maeshige N, Tanaka M, Fujino H. Effects of combined treatment with blood flow restriction and low-current electrical stimulation on muscle hypertrophy in rats. J Appl Physiol (1985) 2019; 127:1288-1296. [PMID: 31556832 DOI: 10.1152/japplphysiol.00070.2019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This study aimed to clarify the effects of a combined treatment comprising blood flow restriction and low-current electrical stimulation on skeletal muscle hypertrophy in rats. Male Wistar rats were divided into control (Cont), blood flow restriction (Bfr), electrical stimulation (Es), or Bfr with Es (Bfr + Es) groups. Pressure cuffs (80 mmHg) were placed around the thighs of Bfr and Bfr + Es rats. Low-current Es was applied to calf muscles in the Es and Bfr + Es rats. In experiment 1, a 1-day treatment regimen (5-min stimulation, followed by 5-min rest) was delivered four times to study the acute effects. In experiment 2, the same treatment regimen was delivered three times/wk for 8 wk. Body weight, muscle mass, changes in maximal isometric contraction, fiber cross-sectional area of the soleus muscle, expression of phosphorylated and total-ERK1/2, phosphorylated-rpS6 Ser235/236, phosphorylated and total Akt, and phosphorylated-rpS6 Ser240/244 were measured. Bfr and Es treatment alone failed to induce muscle hypertrophy and increase the expression of phosphorylated rpS6 Ser240/244. Combined Bfr + Es upregulated muscle mass, increased the fiber cross-sectional area, and increased phosphorylated rpS6 Ser240/244 expression and phosphorylated rpS6 Ser235/236 expression compared with controls. Combined treatment with Bfr and low-current Es can induce muscle hypertrophy via activation of two protein synthesis signaling pathways. This treatment should be introduced for older patients with sarcopenia and others with muscle weakness.NEW & NOTEWORTHY We investigated the acute and chronic effect of low-current electrical stimulation with blood flow restriction on skeletal muscle hypertrophy and the mechanisms controlling the hypertrophic response. Low-current electrical stimulation could not induce skeletal muscle hypertrophy, but a combination treatment did. Blood lactate and growth hormone levels were increased in the early response. Moreover, activation of ERK1/2 and mTOR pathways were observed in both the acute and chronic response, which contribute to muscle hypertrophy.
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Affiliation(s)
- Madoka Yoshikawa
- Department of Rehabilitation Science, Kobe University Graduate School of Health Science, Kobe, Japan
| | - Takeshi Morifuji
- Department of Rehabilitation Science, Kobe University Graduate School of Health Science, Kobe, Japan.,Department of Rehabilitation Science, Osaka Kawasaki Rehabilitation University, Kaizuka, Japan
| | - Tomohiro Matsumoto
- Department of Rehabilitation Science, Kobe University Graduate School of Health Science, Kobe, Japan
| | - Noriaki Maeshige
- Department of Rehabilitation Science, Kobe University Graduate School of Health Science, Kobe, Japan
| | - Minoru Tanaka
- Department of Rehabilitation Science, Kobe University Graduate School of Health Science, Kobe, Japan.,Department of Rehabilitation Science, Osaka Health Science University, Osaka, Japan
| | - Hidemi Fujino
- Department of Rehabilitation Science, Kobe University Graduate School of Health Science, Kobe, Japan
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Bolamperti S, Guidobono F, Rubinacci A, Villa I. The Role of Growth Hormone in Mesenchymal Stem Cell Commitment. Int J Mol Sci 2019; 20:ijms20215264. [PMID: 31652811 PMCID: PMC6862273 DOI: 10.3390/ijms20215264] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 12/16/2022] Open
Abstract
Growth hormone (GH) is best known for its prominent role in promoting prepubertal growth and in regulating body composition and metabolism during adulthood. In recent years, the possible role of GH in the modulation of mesenchymal stem cell (MSC) commitment has gained interest. MSCs, characterized by active self-renewal and differentiation potential, express GH receptors. In MSCs derived from different adult tissues, GH induces an inhibition of adipogenic differentiation and favors MSC differentiation towards osteogenesis. This activity of GH indicates that regulation of body composition by GH has already started in the tissue progenitor cells. These findings have fostered research on possible uses of MSCs treated with GH in those pathologies, where a lack of or delays in bone repair occur. After an overview of GH activities, this review will focus on the research that has characterized GH’s effects on MSCs and on preliminary studies on the possible application of GH in bone regenerative medicine.
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Affiliation(s)
- Simona Bolamperti
- Bone Metabolism Unit, Division of Genetics & Cell Biology, IRCCS Ospedale San Raffaele, 20132 Milan, Italy.
| | - Francesca Guidobono
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy.
| | - Alessandro Rubinacci
- Bone Metabolism Unit, Division of Genetics & Cell Biology, IRCCS Ospedale San Raffaele, 20132 Milan, Italy.
| | - Isabella Villa
- Bone Metabolism Unit, Division of Genetics & Cell Biology, IRCCS Ospedale San Raffaele, 20132 Milan, Italy.
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Scariot PPM, Manchado-Gobatto FB, Prolla TA, Masselli Dos Reis IG, Gobatto CA. Housing conditions modulate spontaneous physical activity, feeding behavior, aerobic running capacity and adiposity in C57BL/6J mice. Horm Behav 2019; 115:104556. [PMID: 31310763 DOI: 10.1016/j.yhbeh.2019.07.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 07/11/2019] [Accepted: 07/12/2019] [Indexed: 11/19/2022]
Abstract
There is evidence of reduced adiposity in rodents living in a large cages (LC) as compared to animals housed in small cages (SC). Because spontaneous physical activity (SPA) provides an important portion of the total daily energy expenditure, an increase of SPA in rodents kept in LC could explain their reduced body fat accumulation. The relationship between SPA and components of physical fitness (i.e. aerobic and anaerobic fitness and body leanness) has not been previously determined. We examined the effects of eight weeks of LC exposure on SPA, body composition, feeding behavior, as well as aerobic and anaerobic running capacity in adult C57BL/6J mice. Male mice were housed in cages of two different sizes for 8 weeks: a small (SC, n = 10) and large (LC n = 10) cages with 1320 cm2 and 4800 cm2 floor space, respectively. SPA was measured gravimetrically, and food and water intake were recorded daily. Mice had critical velocity (CV) and anaerobic running capacity (ARC) evaluated at the beginning, middle course (4th week) and at the end of study (8th week). Despite non-significant differences in each week LC-mice were more active than SC-mice by considering all SPA values obtained in the entire period of 8 weeks. The difference in SPA over the whole day was mainly due to light phase activity, but also due to activity at dark period (from 6 pm to 9 pm and from 5 am to 6 am). LC-mice also exhibited higher food and water intake over the entire 8-wk period. LC-mice had lower content of fat mass (% of the eviscerated carcass) than SC-mice (SC: 8.4 ± 0.4 vs LC: 6.3 ± 0.3, p < 0.05). LC-mice also exhibited reduced epididymal fat pads (% of body mass) compared to SC-mice (SC: 1.3 ± 0.1 vs LC: 0.9 ± 0.1, p < 0.05) and retroperitoneal fat pads (SC: 0.4 ± 0.05 vs LC: 0.2 ± 0.02, p < 0.05). The LC-group showed significantly higher critical velocity than SC-group at the fourth week (SC: 14.9 ± 0.6 m·min-1 vs LC: 18.0 ± 0.3 m·min-1, p < 0.05) and eighth week (SC: 17.1 ± 0.5 m·min-1 vs LC: 18.8 ± 0.6 m·min-1, p < 0.05). Our findings demonstrate that eight weeks of LC housing increases SPA of C57BL/6J mice, and this may lead to reduced fat accumulation as well as higher aerobic fitness. Importantly, our study implies that SC limits SPA, possibly generating experimental artifacts in long-term rodent studies.
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Affiliation(s)
- Pedro Paulo Menezes Scariot
- School of Applied Sciences, University of Campinas, Laboratory of Applied Sport Physiology, Limeira, SP, Brazil
| | - Fúlvia B Manchado-Gobatto
- School of Applied Sciences, University of Campinas, Laboratory of Applied Sport Physiology, Limeira, SP, Brazil
| | - Tomas A Prolla
- Department of Genetics & Medical Genetics, University of Wisconsin-Madison, Madison, WI, USA
| | - Ivan G Masselli Dos Reis
- School of Applied Sciences, University of Campinas, Laboratory of Applied Sport Physiology, Limeira, SP, Brazil
| | - Claudio Alexandre Gobatto
- School of Applied Sciences, University of Campinas, Laboratory of Applied Sport Physiology, Limeira, SP, Brazil.
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Holt RIG, Ho KKY. The Use and Abuse of Growth Hormone in Sports. Endocr Rev 2019; 40:1163-1185. [PMID: 31180479 DOI: 10.1210/er.2018-00265] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 02/27/2019] [Indexed: 12/18/2022]
Abstract
GH is banned by the World Anti-Doping Agency as a performance-enhancing anabolic agent. Doping with GH likely began in the early 1980s and became more prevalent with the advent of recombinant technology well before any scientific evidence of benefit. The expectation that GH improves physical function stems from its anabolic and lipolytic properties. Athletic performance depends on muscle strength and the energy required to power muscle function. In recreational athletes, GH selectively improves anaerobic sprint capacity but has not been proven to significantly enhance muscle strength, power, or maximum rate of oxygen consumption. GH is secreted as a family of isoform peptides in a pulsatile manner reflecting intermittent secretion and rapid clearance. Its anabolic actions are largely mediated by IGF-I, which stimulates whole-body protein synthesis, including skeletal muscle and collagen proteins. Two methods have been validated for detecting GH abuse in athletes. The first (the isoform method) is based on distinguishing pure recombinant 22-kDa GH from the heterogeneous isoforms secreted from the pituitary. The second (the marker method) is based on measuring blood levels of GH-responsive proteins, specifically IGF-I and the N-terminal propeptide of type III collagen (P-III-NP). Only a handful of athletes have been caught since the implementation of GH doping tests in 2004. The low rate likely reflects the limitation of in-competition testing using current methods. Improved detection rates may be achieved by more out-of-competition testing, introducing athletes' biological passports, and the development of novel methods. Governance, operational, technical, and political factors influence the effectiveness of an anti-doping program.
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Affiliation(s)
- Richard I G Holt
- Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Ken K Y Ho
- Garvan Institute of Medical Research, St. Vincent's Hospital, University of New South Wales, Sydney, New South Wales, Australia
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40
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Affiliation(s)
- Shlomo Melmed
- From the Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles
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41
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Chesnokova V, Zonis S, Barrett RJ, Gleeson JP, Melmed S. Growth Hormone Induces Colon DNA Damage Independent of IGF-1. Endocrinology 2019; 160:1439-1447. [PMID: 31002310 PMCID: PMC6530523 DOI: 10.1210/en.2019-00132] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 04/13/2019] [Indexed: 12/13/2022]
Abstract
DNA damage occurs as a result of environmental insults and aging and, if unrepaired, may lead to chromosomal instability and tumorigenesis. Because GH suppresses ataxia-telangiectasia mutated kinase phosphorylation, decreases DNA repair, and increases DNA damage accumulation, we elucidated whether GH effects on DNA damage are mediated through induced IGF-1. In nontumorous human colon cells, GH, but not IGF-1, increased DNA damage. Stably disrupted IGF-1 receptor (IGF-1R) by lentivirus-expressing short hairpin RNA in vitro or treatment with the IGF-1R phosphorylation inhibitor picropodophyllotoxin (PPP) in vitro and in vivo led to markedly induced GH receptor (GHR) abundance, rendering cells more responsive to GH actions. Suppressing IGF-1R triggered DNA damage in both normal human colon cells and three-dimensional human intestinal organoids. DNA damage was further increased when cells with disrupted IGF-1R were treated with GH. Because GH induction of DNA damage accumulation appeared to be mediated not by IGF-1R but probably by more abundant GH receptor expression, we injected athymic mice with GH-secreting xenografts and then treated them with PPP. In these mice, high circulating GH levels were associated with increased colon DNA damage despite disrupted IGF-1R activity (P < 0.01), whereas GHR levels were also induced. Further confirming that GH effects on DNA damage are directly mediated by GHR signaling, GHR-/- mice injected with PPP did not show increased DNA damage, whereas wild-type mice with intact GHR exhibited increased colon DNA damage in the face of IGF-1 signaling suppression. The results indicate that GH directly induces DNA damage independent of IGF-1.
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Affiliation(s)
- Vera Chesnokova
- Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Svetlana Zonis
- Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Robert J Barrett
- Department of Medicine, Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, California
| | - John P Gleeson
- Department of Medicine, Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, California
| | - Shlomo Melmed
- Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Correspondence: Shlomo Melmed, MD, Academic Affairs, Room 2015, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, California 90048. E-mail:
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Chesnokova V, Zonis S, Barrett R, Kameda H, Wawrowsky K, Ben-Shlomo A, Yamamoto M, Gleeson J, Bresee C, Gorbunova V, Melmed S. Excess growth hormone suppresses DNA damage repair in epithelial cells. JCI Insight 2019; 4:e125762. [PMID: 30728323 PMCID: PMC6413789 DOI: 10.1172/jci.insight.125762] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/20/2018] [Indexed: 12/18/2022] Open
Abstract
Growth hormone (GH) decreases with age, and GH therapy has been advocated by some to sustain lean muscle mass and vigor in aging patients and advocated by athletes to enhance performance. Environmental insults and aging lead to DNA damage, which - if unrepaired - results in chromosomal instability and tumorigenesis. We show that GH suppresses epithelial DNA damage repair and blocks ataxia telangiectasia mutated (ATM) kinase autophosphorylation with decreased activity. Decreased phosphorylation of ATM target proteins p53, checkpoint kinase 2 (Chk2), and histone 2A variant led to decreased DNA repair by nonhomologous end-joining. In vivo, prolonged high GH levels resulted in a 60% increase in unrepaired colon epithelial DNA damage. GH suppression of ATM was mediated by induced tripartite motif containing protein 29 (TRIM29) and attenuated tat interacting protein 60 kDa (Tip60). By contrast, DNA repair was increased in human nontumorous colon cells (hNCC) where GH receptor (GHR) was stably suppressed and in colon tissue derived from GHR-/- mice. hNCC treated with etoposide and GH showed enhanced transformation, as evidenced by increased growth in soft agar. In mice bearing human colon GH-secreting xenografts, metastatic lesions were increased. The results elucidate a mechanism underlying GH-activated epithelial cell transformation and highlight an adverse risk for inappropriate adult GH treatment.
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Affiliation(s)
| | | | - Robert Barrett
- Board of Governors Regenerative Medicine Institute
- F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute, Department of Medicine, and
| | | | | | | | | | - John Gleeson
- Board of Governors Regenerative Medicine Institute
- F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute, Department of Medicine, and
| | - Catherine Bresee
- Biostatistics and Bioinformatics Research Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Vera Gorbunova
- Department of Biology, University of Rochester, Rochester, New York, USA
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Andrade-Guimarães AL, Aguiar-Oliveira MH, Salvatori R, Carvalho VO, Alvim-Pereira F, Daniel CRA, Brasileiro GAM, Santana-Ribeiro AA, Santos-Carvalho HA, Oliveira CRP, Vieira ER, Gois-Junior MB. Adult individuals with congenital, untreated, severe isolated growth hormone deficiency have satisfactory muscular function. Endocrine 2019; 63:112-119. [PMID: 30251164 DOI: 10.1007/s12020-018-1763-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 09/11/2018] [Indexed: 12/24/2022]
Abstract
PURPOSE While growth hormone (GH) and the insulin-like growth factor type I (IGF-I) are known to exert synergistic actions on muscle anabolism, the consequences of prolonged GH deficiency (GHD) on muscle function have not been well defined. We have previously described a large cohort of subjects with isolated GHD (IGHD) caused by a mutation in the GH-releasing hormone receptor gene, with low serum levels of GH and IGF-I. The aim of this study was to assess muscular function in these IGHD subjects. METHODS A total of 31 GH-naïve IGHD (16 males) and 40 control (20 males) subjects, matched by age and degree of daily physical activity, were enrolled. Fat free mass was measured by bioelectrical impedance; muscle strength by dynamometry of handgrip, trunk extension, and knee extension; myoelectric activity and muscle fatigue by fractal dimension; conduction velocity in vastus medialis, rectus femoris, and vastus lateralis muscles by surface electromyography. RESULTS The IGHD group showed higher knee extension strength both when corrected for weight and fat free mass, and higher handgrip and trunk extension strength corrected by fat free mass. They also exhibit higher conduction velocity of the muscles vastus medialis, rectus femoris, and vastus lateralis, but lower free fat mass and myoelectric activity of the vastus medialis, rectus femoris and vastus lateralis. There were no differences between the two groups in fractal dimension in all studied muscles. CONCLUSION Individuals with untreated IGHD have better muscle strength parameters adjusted for weight and fat free mass than controls. They also exhibit greater peripheral resistance to fatigue, demonstrating satisfactory muscle function.
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Affiliation(s)
- Alana L Andrade-Guimarães
- Laboratory of Motor Control and Body Balance, Center for Health Science Research, Federal University of Sergipe, 49060-100, Sergipe, Brazil
- Department of Physical Therapy and Post-Graduate Program in Health Science, Federal University of Sergipe, The GREAT Group (GRupo de Estudos em ATividade física), Sergipe, Brazil
| | | | - Roberto Salvatori
- Division of Endocrinology, Diabetes and Metabolism, The Johns Hopkins University School of Medicine Baltimore, Baltimore, Maryland, 21287, USA.
| | - Vitor O Carvalho
- Department of Physical Therapy and Post-Graduate Program in Health Science, Federal University of Sergipe, The GREAT Group (GRupo de Estudos em ATividade física), Sergipe, Brazil
| | - Fabiano Alvim-Pereira
- Laboratory of Motor Control and Body Balance, Center for Health Science Research, Federal University of Sergipe, 49060-100, Sergipe, Brazil
| | - Carlos R Araújo Daniel
- Department of Statistic and Actuarial Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Giulliani A Moreira Brasileiro
- Laboratory of Motor Control and Body Balance, Center for Health Science Research, Federal University of Sergipe, 49060-100, Sergipe, Brazil
- Department of Physical Therapy and Post-Graduate Program in Health Science, Federal University of Sergipe, The GREAT Group (GRupo de Estudos em ATividade física), Sergipe, Brazil
| | - Ananda A Santana-Ribeiro
- Laboratory of Motor Control and Body Balance, Center for Health Science Research, Federal University of Sergipe, 49060-100, Sergipe, Brazil
| | - Hugo A Santos-Carvalho
- Laboratory of Motor Control and Body Balance, Center for Health Science Research, Federal University of Sergipe, 49060-100, Sergipe, Brazil
| | - Carla R P Oliveira
- Division of Endocrinology, Federal University of Sergipe, 49060-100, Aracaju, Sergipe, Brazil
| | - Edgar R Vieira
- Department of Physical Therapy and Neuroscience, Wertheims'College of Nursing and Health Science, Florida International University, Florida, USA
| | - Miburge B Gois-Junior
- Laboratory of Motor Control and Body Balance, Center for Health Science Research, Federal University of Sergipe, 49060-100, Sergipe, Brazil
- Department of Physical Therapy and Post-Graduate Program in Health Science, Federal University of Sergipe, The GREAT Group (GRupo de Estudos em ATividade física), Sergipe, Brazil
- Department of Physical Therapy and Neuroscience, Wertheims'College of Nursing and Health Science, Florida International University, Florida, USA
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Poggiogalle E, Cherry KE, Su LJ, Kim S, Myers L, Welsh DA, Jazwinski SM, Ravussin E. Body Composition, IGF1 Status, and Physical Functionality in Nonagenarians: Implications for Osteosarcopenia. J Am Med Dir Assoc 2019; 20:70-75.e2. [PMID: 30149984 PMCID: PMC7001873 DOI: 10.1016/j.jamda.2018.07.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 07/06/2018] [Accepted: 07/07/2018] [Indexed: 01/15/2023]
Abstract
OBJECTIVES Body composition alterations occur during aging. The purpose of the present analysis was to explore the functional consequences of the overlap of sarcopenia and osteoporosis, and the potential role of insulin-like growth factor 1 (IGF1) in their development in the oldest old. SETTING AND PARTICIPANTS Eighty-seven nonagenarians from the Louisiana Healthy Aging Study were included. MEASURES The definition of sarcopenia was based on appendicular lean mass (ALM). Osteoporosis was diagnosed based on bone mineral density (BMD) T score. Four phenotypes were compared: (1) healthy body composition, that is, nonosteoporotic nonsarcopenic (CO, control group), (2) osteoporotic (O, low BMD T score), (3) sarcopenic (S, low ALM), and (4) osteosarcopenic (OS, low BMD T score and low ALM). Sex- and age-specific IGF1-Standard Deviation Scores (SDS) were calculated. The Continuous Scale-Physical Functional Performance (CS-PFP) test was performed. RESULTS In OS men, IGF1-SDS values (-0.61 ±0.37 vs -0.04 ± 0.52, P = .02) were lower than those in CO males (control group), whereas IGF1-SDS were similar in the 4 body composition phenotypes in women. In men only, ALM was positively associated with IGF1-SDS values (P = .01) independent of age and C-reactive protein concentration. Regarding bone health, we found no association between IGF1-SDS values and BMD. IGF1-SDS was not associated with functional performance (CS-PFP) in men and women. CONCLUSIONS/IMPLICATIONS IGF1 sensitivity in skeletal muscle and bone may differ by sex in the oldest old. IGF1 status did not appear to affect physical functionality. Determinants and clinical and functional characteristics of osteosarcopenia need to be further investigated in order to define conclusive diagnostic criteria.
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Affiliation(s)
- Eleonora Poggiogalle
- Pennington Biomedical Research Center, Baton Rouge, LA; Department of Experimental Medicine- Medical Pathophysiology, Food Science and Endocrinology Section, Sapienza University, Rome, Italy.
| | - Katie E Cherry
- Department of Psychology, Louisiana State University, Baton Rouge, LA
| | - L Joseph Su
- Department of Epidemiology, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Sangkyu Kim
- Tulane Center for Aging and Department of Medicine, Tulane University Health Sciences Center, New Orleans, LA
| | - Leann Myers
- Department of Global Biostatistics and Data Science, School of Public Health and Tropical Medicine, Tulane University Health Sciences Center, New Orleans, LA
| | - David A Welsh
- Department of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA
| | - S Michal Jazwinski
- Tulane Center for Aging and Department of Medicine, Tulane University Health Sciences Center, New Orleans, LA
| | - Eric Ravussin
- Pennington Biomedical Research Center, Baton Rouge, LA
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Mirzoev TM, Shenkman BS. Regulation of Protein Synthesis in Inactivated Skeletal Muscle: Signal Inputs, Protein Kinase Cascades, and Ribosome Biogenesis. BIOCHEMISTRY (MOSCOW) 2018; 83:1299-1317. [PMID: 30482143 DOI: 10.1134/s0006297918110020] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Disuse atrophy of skeletal muscles is characterized by a significant decrease in the mass and size of muscle fibers. Disuse atrophy develops as a result of prolonged reduction in the muscle functional activity caused by bed rest, limb immobilization, and real or simulated microgravity. Disuse atrophy is associated with the downregulation of protein biosynthesis and simultaneous activation of protein degradation. This review is focused on the key molecular mechanisms regulating the rate of protein synthesis in mammalian skeletal muscles during functional unloading.
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Affiliation(s)
- T M Mirzoev
- Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, 123007, Russia.
| | - B S Shenkman
- Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, 123007, Russia
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Ahmid M, Ahmed SF, Shaikh MG. Childhood-onset growth hormone deficiency and the transition to adulthood: current perspective. Ther Clin Risk Manag 2018; 14:2283-2291. [PMID: 30538484 PMCID: PMC6260189 DOI: 10.2147/tcrm.s136576] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Childhood-onset growth hormone deficiency (CO-GHD) is an endocrine condition associated with a broad range of health issues from childhood through to adulthood, which requires particular attention during the transition period from adolescence to young adulthood. There is uncertainty in the clinical practice of the management of CO-GHD during transition regarding the clinical assessment and management of individual patients during and after transition to obtain optimal follow-up and improved health outcomes. Despite the availability of clinical guidelines providing the framework for transition of young adults with CO-GHD, there remains substantial variation in approaching transitional care among pediatric and adult services. A well-structured and coordinated transitional plan with clear communication and direct collaboration between pediatric and adult health care to ensure optimal management of adolescents with CO-GHD during transition is needed.
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Affiliation(s)
- M Ahmid
- Development Endocrinology Research Group, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK,
| | - S F Ahmed
- Development Endocrinology Research Group, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK,
| | - M G Shaikh
- Development Endocrinology Research Group, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK,
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Cuatrecasas G, Kumru H, Coves MJ, Vidal J. GH deficiency in patients with spinal cord injury: efficacy/safety of GH replacement, a pilot study. Endocr Connect 2018; 7:1031-1039. [PMID: 30352393 PMCID: PMC6198193 DOI: 10.1530/ec-18-0296] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 08/13/2018] [Indexed: 12/14/2022]
Abstract
Objective Growth hormone (GH) was shown to stimulate proliferation, migration and survival of neural cells in animal models. GH deficiency (GHD) was reported following traumatic brain lesions; however, there are not available data in spinal cord injury (SCI) patients. The aim of the study was to evaluate (1) the frequency of GHD in chronic SCI population; (2) the efficacy/safety of GH replacement in patients with SCI and suboptimal GH secretion. Design and methods Nineteen consecutive patients with chronic thoracic complete SCI (AIS-A) were studied. Patients with low GH secretion were randomized in a double-blind, placebo-controlled study to receive either subcutaneous placebo injections or GH combined with physical therapy, for 6 months. Baseline cranial MRI, AIS motor and sensory scale, quality of life (spinal cord impact measurement) and modified Ashworth spasticity scale, quantitative sensory testing and neurophysiological exploration were assessed at baseline, 1, 3 and 6 months following treatment. Results Thirteen had GH deficiency. Seven received GH, five placebo and one dropped out. Both groups were similar according to clinical and demographical data at baseline, except for greater GH deficiency in the GH treatment group. At 6th month, patients treated with GH showed a significant improvement in SCIM-III score and in electrical perception threshold up to the 5th level below SCI, on both sides compared to baseline. Conclusions GHD seems to be frequent in traumatic SCI and GH replacement is safe without side effects. GH combined with physical therapy can improve quality of life of SCI patients and, strikingly, the sensory perception below lesion level.
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Affiliation(s)
- Guillem Cuatrecasas
- Endocrinology DepartmentHospital Quiron-Teknon, CPEN S.L., Barcelona, Spain
- Universitat Oberta Catalunya (UOC)Barcelona, Spain
- Correspondence should be addressed to G Cuatrecasas:
| | - Hatice Kumru
- Institut GuttmannInstitut Universitari de Neurorehabilitació Adscrit a la UAB, Barcelona, Spain
- Univ Autònoma de BarcelonaCerdanyola del Vallès, Spain
- Fundació Institut d’Investigació en Ciències de la Salut Germans Trias i PujolBarcelona, Spain
| | - M Josep Coves
- Endocrinology DepartmentHospital Quiron-Teknon, CPEN S.L., Barcelona, Spain
| | - Joan Vidal
- Institut GuttmannInstitut Universitari de Neurorehabilitació Adscrit a la UAB, Barcelona, Spain
- Univ Autònoma de BarcelonaCerdanyola del Vallès, Spain
- Fundació Institut d’Investigació en Ciències de la Salut Germans Trias i PujolBarcelona, Spain
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Cevenini A, Orrù S, Mancini A, Alfieri A, Buono P, Imperlini E. Molecular Signatures of the Insulin-like Growth Factor 1-mediated Epithelial-Mesenchymal Transition in Breast, Lung and Gastric Cancers. Int J Mol Sci 2018; 19:ijms19082411. [PMID: 30111747 PMCID: PMC6122069 DOI: 10.3390/ijms19082411] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/13/2018] [Accepted: 08/14/2018] [Indexed: 02/07/2023] Open
Abstract
The insulin-like growth factor (IGF) system, which is constituted by the IGF-1 and IGF-2 peptide hormones, their corresponding receptors and several IGF binding proteins, is involved in physiological and pathophysiological processes. The IGF system promotes cancer proliferation/survival and its signaling induces the epithelial-mesenchymal transition (EMT) phenotype, which contributes to the migration, invasiveness, and metastasis of epithelial tumors. These cancers share two major IGF-1R signaling transduction pathways, PI3K/AKT and RAS/MEK/ERK. However, as far as we could review at this time, each type of cancer cell undergoes EMT through tumor-specific routes. Here, we review the tumor-specific molecular signatures of IGF-1-mediated EMT in breast, lung, and gastric cancers.
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Affiliation(s)
- Armando Cevenini
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli "Federico II", Via S. Pansini 5, 80131 Napoli, Italy.
- CEINGE-Biotecnologie Avanzate S.c.a r.l., Via G. Salvatore 486, 80145 Napoli, Italy.
| | - Stefania Orrù
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Via Medina 40, 80133 Napoli, Italy.
- IRCCS SDN, Via Francesco Crispi 8, 80121 Napoli, Italy.
| | - Annamaria Mancini
- CEINGE-Biotecnologie Avanzate S.c.a r.l., Via G. Salvatore 486, 80145 Napoli, Italy.
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Via Medina 40, 80133 Napoli, Italy.
| | - Andreina Alfieri
- CEINGE-Biotecnologie Avanzate S.c.a r.l., Via G. Salvatore 486, 80145 Napoli, Italy.
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Via Medina 40, 80133 Napoli, Italy.
| | - Pasqualina Buono
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Via Medina 40, 80133 Napoli, Italy.
- IRCCS SDN, Via Francesco Crispi 8, 80121 Napoli, Italy.
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Poinsot P, Schwarzer M, Peretti N, Leulier F. The emerging connections between IGF1, the intestinal microbiome, Lactobacillus strains and bone growth. J Mol Endocrinol 2018; 61:T103-T113. [PMID: 29789323 DOI: 10.1530/jme-17-0292] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 03/29/2018] [Indexed: 12/29/2022]
Abstract
In most animal species, postnatal growth is controlled by conserved insulin/insulin-like growth factor (IGF) signaling. In mammals, juvenile growth is characterized by a longitudinal bone growth resulting from the ossification of the growth plate. This ossification is under IGF1 influence through endocrine and paracrine mechanisms. Moreover, the nutritional status has been largely described as an important factor influencing the insulin/insulin-like growth factor signaling. It is now well established that the gut microbiota modulates the nutrient availability of its host. Hence, studies of the interaction between nutritional status, gut microbiota and bone growth have recently emerged. Here, we review recent findings using experimental models about the impact of gut bacteria on the somatotropic axis and its consequence on the bone growth. We also discuss the perspectives of these studies in opening an entire field for clinical interventions.
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Affiliation(s)
- Pierre Poinsot
- Institut de Génomique Fonctionnelle de Lyon (IGFL), Université de Lyon, Ecole Normale Supérieure de Lyon, CNRS UMR 5242, Université Claude Bernard Lyon 1, Lyon, France
- Univ Lyon, CarMeN Laboratory, Inserm U1060, INRA U1397, Université Claude Bernard Lyon1, INSA Lyon, Charles Merieux Medical School, Oullins, France
| | - Martin Schwarzer
- Laboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, Nový Hrádek, Czech Republic
| | - Noël Peretti
- Univ Lyon, CarMeN Laboratory, Inserm U1060, INRA U1397, Université Claude Bernard Lyon1, INSA Lyon, Charles Merieux Medical School, Oullins, France
- Departement of Pediatric Nutrition, Hôpital Femme Mère Enfant, Univ Lyon, Hospice Civil de Lyon, Bron, France
| | - François Leulier
- Institut de Génomique Fonctionnelle de Lyon (IGFL), Université de Lyon, Ecole Normale Supérieure de Lyon, CNRS UMR 5242, Université Claude Bernard Lyon 1, Lyon, France
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Hayashi M, Futawaka K, Matsushita M, Koyama R, Fun Y, Fukuda Y, Nushida A, Nezu S, Tagami T, Moriyama K. GH directly stimulates UCP3 expression. Growth Horm IGF Res 2018; 40:44-54. [PMID: 29398371 DOI: 10.1016/j.ghir.2018.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 12/27/2017] [Accepted: 01/18/2018] [Indexed: 01/23/2023]
Abstract
OBJECTIVE We evaluated the direct action of GH signaling in energy homeostasis in myocytes. DESIGN We investigated the GH-induced expression of UCP3 in human embryonic kidney 293 cells, human H-EMC-SS chondrosarcoma cells, murine C2C12 skeletal muscle myoblasts, and rat L6 skeletal muscle cells, as well as its direct effect on the GHR/JAK/STAT5 pathway using a combination of a reporter assay, real-time quantitative polymerase chain reaction, and western blotting. RESULTS We demonstrated that the regulation of energy metabolism by GH involves UCP3 via activated STAT5, a signal transducer downstream of GH. UCP3 expression increased with STAT5 in a dose-dependent manner and was higher than that of UCP2. We confirmed the functional STAT5 binding site consensus sequences at -861 and -507 bp in the UCP3 promoter region. CONCLUSION The results suggest that GH stimulates UCP3 directly and that UCP2 and that UCP3 participate in the signal transduction pathway that functions downstream of the GHR/JAK/STAT.
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Affiliation(s)
- Misa Hayashi
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Kumi Futawaka
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Midori Matsushita
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Rie Koyama
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Yue Fun
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Yuki Fukuda
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Ayaka Nushida
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Syoko Nezu
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan
| | - Tetsuya Tagami
- Clinical Research Institute for Endocrine and Metabolic Diseases, National Hospital Organization Kyoto Medical Center, Kyoto 612-8555, Japan
| | - Kenji Moriyama
- Medicine & Clinical Science, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Hyogo 663-8179, Japan; Clinical Research Institute for Endocrine and Metabolic Diseases, National Hospital Organization Kyoto Medical Center, Kyoto 612-8555, Japan.
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