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Influence of dietary vitamin D deficiency on bone strength, body composition, and muscle in ovariectomized rats fed a high-fat diet. Nutrition 2019; 60:87-93. [DOI: 10.1016/j.nut.2018.09.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 08/30/2018] [Accepted: 09/03/2018] [Indexed: 11/23/2022]
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Iolascon G, Mauro GL, Fiore P, Cisari C, Benedetti MG, Panella L, De Sire A, Calafiore D, Moretti A, Gimigliano F. Can vitamin D deficiency influence muscle performance in postmenopausal women? A multicenter retrospective study. Eur J Phys Rehabil Med 2018; 54:676-682. [PMID: 28696084 DOI: 10.23736/s1973-9087.17.04533-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND The presence of the vitamin D receptor (VDR) has been recently demonstrated in human muscle supporting the theory of a role of vitamin D in the proliferation and differentiation of muscle cells. So far only few studies investigated the association between vitamin D and muscle performance in postmenopausal women. AIM To define the functional impact of vitamin D deficiency. DESIGN Multicenter retrospective study. SETTING Five Italian outpatient services of Physical and Rehabilitation Medicine (PRM). POPULATION Postmenopausal women. METHODS We divided the population in two groups based on the threshold of 30 ng/mL as cut-off to define sufficient and insufficient serum levels of 25-hydroxyvitamin D3 [25(OH)D3]. Outcome measures were: appendicular lean mass (ALM); ALM-to-BMI ratio (ALMBMI); total fat mass (FM); visceral adipose tissue (VAT); Hand Grip Strength (HGS); Knee Isometric Extension Strength (KES); Short Physical Performance Battery (SPPB); 4-meter gait speed (4MGS). RESULTS We analyzed the data records of 401 postmenopausal women (mean age 66.93±8.47 years): 203 with hypovitaminosis D (mean age 66.81±8.11 years) and 198 with normal levels of 25(OH)D3 (mean age 67.04±8.84 years). The analysis showed a significant difference between the two groups in terms of: ALMBMI (0.002), FM (P<0.001), VAT mass (0.010), VAT volume (P=0.006), HGS (P<0.001), KES (P<0.001), SPPB score (P<0.001), percentage of people with a 4MGS≤0.8 m/s (P<0.001). Furthermore, there were significant correlations (P<0.001) between serum levels of 25(OH)D3 and HGS (r=0.323), KES (r=0.510), and SPPB sit to stand (r=-0.362) and walking sub-scores (r=-0.312). CONCLUSIONS This multicenter study demonstrated that postmenopausal women with vitamin D deficiency had a significant reduction of appendicular muscle strength and physical performance. CLINICAL REHABILITATION IMPACT This study reported the frequency of hypovitaminosis D in postmenopausal women and its influence on the reduction of muscle mass, strength, and physical performance in a typical population referring to the physiatrist for musculoskeletal disorders.
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Affiliation(s)
- Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Naples, Italy -
| | - Giulia L Mauro
- Department of Surgical, Oncologic and Stomatologic Disciplines, University of Palermo, Palermo, Italy
| | - Pietro Fiore
- Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
| | - Carlo Cisari
- Department of Physical Medicine and Rehabilitation, University Hospital "Maggiore della Carità", Novara, Italy
| | - Maria G Benedetti
- Unit of Physical Medicine and Rehabilitation, Rizzoli Orthopedic Institute, Bologna, Italy
| | - Lorenzo Panella
- Department of Rehabilitation and Functional Recovery, Gaetano Pini Orthopedic Institute, Milan, Italy
| | - Alessandro De Sire
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Dario Calafiore
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Antimo Moretti
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Francesca Gimigliano
- Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
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Bang WS, Lee DH, Kim KT, Cho DC, Sung JK, Han IB, Kim DH, Kwon BK, Kim CH, Park KS, Park MK, Seo SY, Seo YJ. Relationships between vitamin D and paraspinal muscle: human data and experimental rat model analysis. Spine J 2018; 18:1053-1061. [PMID: 29355791 DOI: 10.1016/j.spinee.2018.01.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 12/11/2017] [Accepted: 01/10/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Vitamin D deficiency (VDD) has been closely linked with skeletal muscle atrophy in many studies, but to date no study has focused on the paraspinal muscle. PURPOSE To verify paraspinal muscle changes according to serum vitamin D level. STUDY DESIGN A cross-sectional study of patients who visited our hospital and an in vivo animal study. METHODS We measured serum vitamin D concentration in 91 elderly women and stratified them according to their vitamin D status in three groups, control, vitamin D insufficiency, and VDD, and obtained magnetic resonance imaging data of the lumbar spine and evaluated the quality and quantity of the paraspinal muscles. Additionally, we designed experimental rat models for VDD and VDD replacement. Then, we analyzed the microcomputed tomography data and histologic data of paraspinal muscles, and the histologic data and reverse transcription-quantitative polymerase chain reaction data of intramyonuclear vitamin D receptor (VDR) in paraspinal muscle through comparison with control rats (n=25, each group). This work was supported by a Biomedical Research Institute grant ($40,000), Kyungpook National University Hospital (2014). RESULTS In the human studies, a significant decrease was noted in the overall paraspinal muscularity (p<.05) and increase in fatty infiltration in the VDD group as compared with the other groups (p<.05). In the rat experiment, a decrease was noted in paraspinal muscle fiber size and VDR concentration and VDR gene expression level, and total muscle volume of the VDD rats as compared with the control rats (p<.05). Vitamin D replacement after VDD could partially restore the muscle volume, muscle fiber size, and intramyonuclear VDR concentration levels (p<.05) of the paraspinal muscles. CONCLUSIONS VDD induces paraspinal muscle atrophy and decreases the intramyonuclear VDR concentration and VDR gene expression level in these muscles. Vitamin D replacement contributes to the recovery from atrophy and restoration of intramyonuclear VDR concentration in VDD status.
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Affiliation(s)
- Woo-Seok Bang
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Dong-Hyun Lee
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Kyoung-Tae Kim
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea.
| | - Dae-Chul Cho
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Joo-Kyung Sung
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - In-Bo Han
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, 16, Yatap-ro 65beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Du-Hwan Kim
- Department of Rehabilitation Medicine, Dongsan Medical Center, School of Medicine, Keimyung University, 56, Dalseong-ro, Jung-gu, Daegu, 41931, Republic of Korea
| | - Brian K Kwon
- International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Blusson Spinal Cord Centre, 818 West 10th Ave, Vancouver, BC, V5Z 1M9, Canada; Vancouver Spine Surgery Institute, Department of Orthopaedics, University of British Columbia, Blusson Spinal Cord Centre, 818 West 10th Ave, Vancouver, BC, V5Z 1M9, Canada
| | - Chi Heon Kim
- Department of Neurosurgery, Seoul National University Hospital 101, Daehak-Ro, Jongno-Gu, Seoul, 110-744, Republic of Korea
| | - Ki-Su Park
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Man-Kyu Park
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Sung-Young Seo
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Ye-Jin Seo
- Department of Neurosurgery, Kyungpook National University Hospital 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
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Gimigliano F, Moretti A, de Sire A, Calafiore D, Iolascon G. The combination of vitamin D deficiency and overweight affects muscle mass and function in older post-menopausal women. Aging Clin Exp Res 2018; 30:625-631. [PMID: 29488185 DOI: 10.1007/s40520-018-0921-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 02/19/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND It has been suggested that overweight and obese individuals have an increased risk to develop vitamin D deficiency, commonly associated with poor muscle performance. The relationship among fat mass, vitamin D status, and skeletal muscle is still debated. AIMS To evaluate the effects of the combination of hypovitaminosis D and overweight on muscle mass and strength, and physical performance in post-menopausal women. METHODS In this cross-sectional study, we recruited post-menopausal women referring to a physiatric outpatient service for the management of osteoporosis over a 36-month period. We compared four groups: (1) normal weight with hypovitaminosis D; (2) overweight with normal serum 25(OH)D3; (3) overweight with hypovitaminosis D; and (4) normal weight with normal serum 25(OH)D3 (control group). Outcome measures were: appendicular lean mass-to-BMI ratio; hand grip strength; and short physical performance battery. RESULTS We analysed 368 women (mean aged 67.2 ± 7.8 years): 95 normal weight with hypovitaminosis D, 90 overweight with normal levels of 25(OH)D3, 96 overweight with hypovitaminosis D, and 87 normal weight with normal levels of 25(OH)D3. Overweight women with hypovitaminosis D had a significant risk of reduced muscle mass (OR 5.70; p < 0.001), strength (OR 12.05; p < 0.001), and performance (OR 5.84; p < 0.001) compared to controls. Normal weight women with hypovitaminosis D had only a greater risk of an impairment of muscle strength (OR 7.30; p < 0.001) and performance (OR 3.16; p < 0.001). DISCUSSION According to our findings, both hypovitaminosis D and overweight should be investigated in post-menopausal women because of their negative effects on skeletal muscle mass and function. CONCLUSIONS This study demonstrated that hypovitaminosis D is associated to impaired muscle function and its combination with overweight might lead also to muscle wasting in a cohort of post-menopausal women.
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Affiliation(s)
- Francesca Gimigliano
- Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Antimo Moretti
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Via De Crecchio, 4, 80138, Naples, Italy
| | - Alessandro de Sire
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Via De Crecchio, 4, 80138, Naples, Italy
| | - Dario Calafiore
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Via De Crecchio, 4, 80138, Naples, Italy
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Via De Crecchio, 4, 80138, Naples, Italy.
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Schardong J, Marcolino MAZ, Plentz RDM. Muscle Atrophy in Chronic Kidney Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1088:393-412. [PMID: 30390262 DOI: 10.1007/978-981-13-1435-3_18] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The renal damage and loss of kidney function that characterize chronic kidney disease (CKD) cause several complex systemic alterations that affect muscular homeostasis, leading to loss of muscle mass and, ultimately, to muscle atrophy. CKD-induced muscle atrophy is highly prevalent and, in association with common CKD comorbidities, is responsible for the reduction of physical capacity, functional independence, and an increase in the number of hospitalizations and mortality rates. Thus, this chapter summarizes current knowledge about the complex interactions between CKD factors and the pathophysiological mechanisms that induce muscle atrophy that, despite growing interest, are not yet fully understood. The current treatments of CKD-induced muscle atrophy are multidisciplinary, including correction of metabolic acidosis, nutritional supplementation, reducing insulin resistance, administration of androgenic steroids, resisted and aerobic exercise, neuromuscular electrical stimulation, and inspiratory muscle training. However, further studies are still needed to strengthen the comprehension of CKD-induced muscle atrophy and the better treatment strategies.
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Affiliation(s)
- Jociane Schardong
- Graduate Program in Health Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Miriam Allein Zago Marcolino
- Graduate Program in Rehabilitation Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Rodrigo Della Méa Plentz
- Graduate Program in Health Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil. .,Graduate Program in Rehabilitation Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil. .,Department of Physical Therapy, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil.
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56
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Camperi A, Pin F, Costamagna D, Penna F, Menduina ML, Aversa Z, Zimmers T, Verzaro R, Fittipaldi R, Caretti G, Baccino FM, Muscaritoli M, Costelli P. Vitamin D and VDR in cancer cachexia and muscle regeneration. Oncotarget 2017; 8:21778-21793. [PMID: 28423519 PMCID: PMC5400623 DOI: 10.18632/oncotarget.15583] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 01/27/2017] [Indexed: 12/03/2022] Open
Abstract
Low circulating levels of vitamin D were associated with decreased muscle strength and physical performance. Along this line, the present study was aimed to investigate: i) the therapeutic potential of vitamin D in cancer-induced muscle wasting; ii) the mechanisms by which vitamin D affects muscle phenotype in tumor-bearing animals. Rats bearing the AH130 hepatoma showed decreased circulating vitamin D compared to control rats, while muscle vitamin D receptor (VDR) mRNA was up-regulated. Both circulating vitamin D and muscle VDR expression increased after vitamin D administration, without exerting appreciable effects on body weight and muscle mass. The effects of vitamin D on muscle cells were studied in C2C12 myocytes. Vitamin D-treated myoblasts did not differentiate properly, fusing only partially and forming multinucleated structures with aberrant shape and low myosin heavy chain content. Vitamin D treatment resulted in VDR overexpression and myogenin down-regulation. Silencing VDR expression in C2C12 cultures abrogated the inhibition of differentiation exerted by vitamin D treatment. These data suggest that VDR overexpression in tumor-bearing animals contributes to muscle wasting by impairing muscle regenerative program. In this regard, attention should be paid when considering vitamin D supplementation to patients affected by chronic pathologies where muscle regeneration may be involved.
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Affiliation(s)
- Andrea Camperi
- Department of Clinical and Biological Sciences, University of Turin, Italy.,Indiana University School of Medicine - IUPUI, Indianapolis, IN, USA
| | - Fabrizio Pin
- Department of Clinical and Biological Sciences, University of Turin, Italy.,Interuniversity Institute of Myology, Italy
| | - Domiziana Costamagna
- Department of Clinical and Biological Sciences, University of Turin, Italy.,Interuniversity Institute of Myology, Italy.,Current address: Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology, Department of Development and Regeneration, University Hospital Gasthuisberg, Leuven, Belgium
| | - Fabio Penna
- Department of Clinical and Biological Sciences, University of Turin, Italy.,Interuniversity Institute of Myology, Italy
| | - Maria Lopez Menduina
- Department of Clinical and Biological Sciences, University of Turin, Italy.,Department of Physiology, Complutense University of Madrid, Spain
| | - Zaira Aversa
- Department of Clinical Medicine, Sapienza University of Rome, Italy
| | - Teresa Zimmers
- Indiana University School of Medicine - IUPUI, Indianapolis, IN, USA
| | | | | | | | | | | | - Paola Costelli
- Department of Clinical and Biological Sciences, University of Turin, Italy.,Interuniversity Institute of Myology, Italy
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Vitamin D supplementation restores the blunted muscle protein synthesis response in deficient old rats through an impact on ectopic fat deposition. J Nutr Biochem 2017; 46:30-38. [DOI: 10.1016/j.jnutbio.2017.02.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 01/23/2017] [Accepted: 02/28/2017] [Indexed: 02/06/2023]
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58
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Bikle DD. Extraskeletal actions of vitamin D. Ann N Y Acad Sci 2017; 1376:29-52. [PMID: 27649525 DOI: 10.1111/nyas.13219] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 07/26/2016] [Accepted: 08/03/2016] [Indexed: 12/16/2022]
Abstract
The vitamin D receptor (VDR) is found in nearly all, if not all, cells in the body. The enzyme that produces the active metabolite of vitamin D and ligand for VDR, namely CYP27B1, likewise is widely expressed in many cells of the body. These observations indicate that the role of vitamin D is not limited to regulation of bone and mineral homeostasis, as important as that is. Rather, the study of its extraskeletal actions has become the major driving force behind the significant increase in research articles on vitamin D published over the past several decades. A great deal of information has accumulated from cell culture studies, in vivo animal studies, and clinical association studies that confirms that extraskeletal effects of vitamin D are truly widespread and substantial. However, randomized, placebo-controlled clinical trials, when done, have by and large not produced the benefits anticipated by the in vitro cell culture and in vivo animal studies. In this review, I will examine the role of vitamin D signaling in a number of extraskeletal tissues and assess the success of translating these findings into treatments of human diseases affecting those extracellular tissues.
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Affiliation(s)
- Daniel D Bikle
- Departments of Medicine and Dermatology, Veterans Affairs Medical Center and University of California, San Francisco, San Francisco, California.
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59
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Silvagno F, Pescarmona G. Spotlight on vitamin D receptor, lipid metabolism and mitochondria: Some preliminary emerging issues. Mol Cell Endocrinol 2017; 450:24-31. [PMID: 28414049 DOI: 10.1016/j.mce.2017.04.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 04/07/2017] [Accepted: 04/09/2017] [Indexed: 12/19/2022]
Abstract
Transcriptional control and modulation of calcium fluxes underpin the differentiating properties of vitamin D (1,25(OH)2D3). In the latest years however few studies have pointed out the relevance of the mitochondrial effects of the hormone. It is now time to focus on the metabolic results of vitamin D receptor (VDR) action in mitochondria, which can explain the pleiotropic effects of 1,25(OH)2D3 and may elucidate few contrasting aspects of its activity. The perturbation of lipid metabolism described in VDR knockout mice and vitamin D deficient animals can be revisited based on the newly identified mechanism of action of 1,25(OH)2D3 in mitochondria. From the same point of view, the controversial role of 1,25(OH)2D3 in adipogenesis can be better interpreted.
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Affiliation(s)
- Francesca Silvagno
- Department of Oncology, University of Torino, Via Santena 5 bis, 10126 Torino, Italy.
| | - Gianpiero Pescarmona
- Department of Oncology, University of Torino, Via Santena 5 bis, 10126 Torino, Italy.
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Abstract
PURPOSE OF REVIEW In this article, we review sarcopenia in chronic kidney disease (CKD). We aim to present how definitions of sarcopenia from the general population may pertain to those with CKD, its assessment by clinicians and emerging therapies for sarcopenia in CKD. For this review, we limit our description and recommendations to patients with CKD who are not on dialysis. RECENT FINDINGS Poorer parameters of lean mass, strength and physical function are associated with worsening patient-centered outcomes such as limiting mobility, falls and mortality in CKD; however, the magnitude of these associations are different in those with and without CKD. Sarcopenia in CKD is a balance between skeletal muscle regeneration and catabolism, which are both altered in the uremic environment. Multiple pathways are involved in these derangements, which are briefly reviewed. Differences between commonly used terms cachexia, frailty, protein-energy wasting, dynapenia and sarcopenia are described. Therapeutic options in predialysis CKD are not well studied; therefore, we review exercise options and emerging pharmacological therapies. SUMMARY Sarcopenia, now with its own International Classification of Diseases, 10th Revision (ICD-10) code, is of importance clinically and should be accounted for in research studies in patients with CKD. Multiple therapies for sarcopenia are in development and will hopefully be available for our patients in the future.
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Affiliation(s)
- Ranjani N. Moorthi
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine
| | - Keith G. Avin
- Department of Physical Therapy, Indiana University, Indianapolis, Indiana, USA
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Deane CS, Wilkinson DJ, Phillips BE, Smith K, Etheridge T, Atherton PJ. "Nutraceuticals" in relation to human skeletal muscle and exercise. Am J Physiol Endocrinol Metab 2017; 312:E282-E299. [PMID: 28143855 PMCID: PMC5406990 DOI: 10.1152/ajpendo.00230.2016] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 01/25/2017] [Accepted: 01/25/2017] [Indexed: 12/16/2022]
Abstract
Skeletal muscles have a fundamental role in locomotion and whole body metabolism, with muscle mass and quality being linked to improved health and even lifespan. Optimizing nutrition in combination with exercise is considered an established, effective ergogenic practice for athletic performance. Importantly, exercise and nutritional approaches also remain arguably the most effective countermeasure for muscle dysfunction associated with aging and numerous clinical conditions, e.g., cancer cachexia, COPD, and organ failure, via engendering favorable adaptations such as increased muscle mass and oxidative capacity. Therefore, it is important to consider the effects of established and novel effectors of muscle mass, function, and metabolism in relation to nutrition and exercise. To address this gap, in this review, we detail existing evidence surrounding the efficacy of a nonexhaustive list of macronutrient, micronutrient, and "nutraceutical" compounds alone and in combination with exercise in relation to skeletal muscle mass, metabolism (protein and fuel), and exercise performance (i.e., strength and endurance capacity). It has long been established that macronutrients have specific roles and impact upon protein metabolism and exercise performance, (i.e., protein positively influences muscle mass and protein metabolism), whereas carbohydrate and fat intakes can influence fuel metabolism and exercise performance. Regarding novel nutraceuticals, we show that the following ones in particular may have effects in relation to 1) muscle mass/protein metabolism: leucine, hydroxyl β-methylbutyrate, creatine, vitamin-D, ursolic acid, and phosphatidic acid; and 2) exercise performance: (i.e., strength or endurance capacity): hydroxyl β-methylbutyrate, carnitine, creatine, nitrates, and β-alanine.
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Affiliation(s)
- Colleen S Deane
- Medical Research Council-Arthritis Research UK Centre of Excellence for Musculoskeletal Ageing Research and Clinical, Metabolic, and Molecular Physiology, University of Nottingham, Royal Derby Hospital, Derby, United Kingdom
- Faculty of Health and Social Science, Bournemouth University, Bournemouth, United Kingdom; and
- Department of Sport and Health Science, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom
| | - Daniel J Wilkinson
- Medical Research Council-Arthritis Research UK Centre of Excellence for Musculoskeletal Ageing Research and Clinical, Metabolic, and Molecular Physiology, University of Nottingham, Royal Derby Hospital, Derby, United Kingdom
| | - Bethan E Phillips
- Medical Research Council-Arthritis Research UK Centre of Excellence for Musculoskeletal Ageing Research and Clinical, Metabolic, and Molecular Physiology, University of Nottingham, Royal Derby Hospital, Derby, United Kingdom
| | - Kenneth Smith
- Medical Research Council-Arthritis Research UK Centre of Excellence for Musculoskeletal Ageing Research and Clinical, Metabolic, and Molecular Physiology, University of Nottingham, Royal Derby Hospital, Derby, United Kingdom
| | - Timothy Etheridge
- Department of Sport and Health Science, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom
| | - Philip J Atherton
- Medical Research Council-Arthritis Research UK Centre of Excellence for Musculoskeletal Ageing Research and Clinical, Metabolic, and Molecular Physiology, University of Nottingham, Royal Derby Hospital, Derby, United Kingdom;
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Bogdanou D, Penna-Martinez M, Filmann N, Chung TL, Moran-Auth Y, Wehrle J, Cappel C, Huenecke S, Herrmann E, Koehl U, Badenhoop K. T-lymphocyte and glycemic status after vitamin D treatment in type 1 diabetes: A randomized controlled trial with sequential crossover. Diabetes Metab Res Rev 2017; 33. [PMID: 27764529 DOI: 10.1002/dmrr.2865] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 09/19/2016] [Accepted: 10/16/2016] [Indexed: 12/28/2022]
Abstract
BACKGROUND Type 1 diabetes mellitus (T1D) is mediated by autoaggressive T effector cells with an underlying regulatory T-cell (Treg) defect. Vitamin D deficiency is highly prevalent in T1D, which can aggravate immune dysfunction. High-dose vitamin D treatment may enhance Tregs and improve metabolism in T1D patients. METHODS In a randomized double-blind placebo-controlled trial with crossover design, patients received either for 3 months cholecalciferol 4000 IU/d followed by 3 months placebo or the sequential alternative. Thirty-nine T1D patients (19 women and 20 men) completed the trial. RESULTS Primary outcome was a change of Tregs, secondary HbA1C, and insulin demand. Effects were evaluated based on intra-individual changes between treatment and placebo periods for outcome measures. Exploratory analyses included vitamin D system variant genotyping and C-peptide measurements. Median 25(OH)D3 increased to 38.8 ng/ml with males showing a significantly stronger increase (p = .003). T-lymphocyte profiles did not change significantly (p > 2); however, the intra-individual change of Tregs between males and females was different with a significantly stronger increase in men (p = .017), as well as between genotypes of the vitamin D receptor (Apa, Taq, and Bsm: genotypes aa, TT, and bb; p = .004-0.015). Insulin demands declined significantly (p = .003-.039) and HbA1C improved (p < .001). Random C-peptide levels were low but rising (median, 0.125 ng/ml; range, 0.02-0.3) in 6 patients. No toxicity was observed. CONCLUSION A daily vitamin D dose of 4000 IU for 3 months was well tolerated and enhanced Tregs in males. Glucometabolic control improved in all. Subsequent larger trials need to address ß-cell function and genotyping for individualized vitamin D doses.
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Affiliation(s)
- D Bogdanou
- Division of Endocrinology, Diabetes and Metabolism, Medical Department 1, University Hospital, Goethe University, Frankfurt am Main, Germany
| | - M Penna-Martinez
- Division of Endocrinology, Diabetes and Metabolism, Medical Department 1, University Hospital, Goethe University, Frankfurt am Main, Germany
| | - N Filmann
- Institute of Biostatistics and Mathematical Modeling, Goethe University Frankfurt, Germany
| | - T L Chung
- Institute of Biostatistics and Mathematical Modeling, Goethe University Frankfurt, Germany
| | - Y Moran-Auth
- Division of Endocrinology, Diabetes and Metabolism, Medical Department 1, University Hospital, Goethe University, Frankfurt am Main, Germany
| | - J Wehrle
- Pharmacy of the Goethe University Hospital, Frankfurt am Main, Germany
| | - C Cappel
- Laboratory for Stem Cell Transplantation and Immunotherapy, Clinic for Pediatric and Adolescent Medicine, University Hospital Frankfurt, Germany
| | - S Huenecke
- Laboratory for Stem Cell Transplantation and Immunotherapy, Clinic for Pediatric and Adolescent Medicine, University Hospital Frankfurt, Germany
| | - E Herrmann
- Institute of Biostatistics and Mathematical Modeling, Goethe University Frankfurt, Germany
| | - U Koehl
- Institute of Cellular Therapeutics, Hanover Medical School, Germany
| | - K Badenhoop
- Division of Endocrinology, Diabetes and Metabolism, Medical Department 1, University Hospital, Goethe University, Frankfurt am Main, Germany
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Short-range ultraviolet irradiation with LED device effectively increases serum levels of 25(OH)D. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 164:256-263. [PMID: 27710873 DOI: 10.1016/j.jphotobiol.2016.09.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 09/27/2016] [Indexed: 12/18/2022]
Abstract
Impairment of the activities of daily living (ADL) by osteoporosis is an important concern in developed countries with a super-aging population. Vitamin D, which is a crucial molecule in bone metabolism and mainly produced endogenously with ultraviolet (UV) light exposure, is known to be insufficient in the elderly population. We used an UV Light-Emitting Diode (UV-LED) instrument generating a narrow-range wavelength to analyze the efficacy of endogenous vitamin D production. The primary purpose of this study was to examine the effects of UV irradiation at various narrow-range wavelengths using UV-LED on vitamin D supplementation. The second one was to clarify the short-term effects of UV irradiation on bone morphology in mice. Vitamin D-starved C57BL/6 female mice (n=7 per group) were UV-irradiated (268nm, 282nm, 290nm, 305nm, and 316nm) with 1kJ/m2 twice a week for 4weeks. UV irradiation using UV-LED had significant effects on increasing serum 25(OH)D levels in all wavelength groups (P<0.001, all groups) as compared to a control group. Among irradiated groups, wavelength of 316nm had a less marked effect on 25(OH)D production compared with other wavelengths at 1week of UV irradiation (P<0.05). Levels of 1,25(OH)2D were significantly increased after 4weeks irradiation with UV-B or UV-C irradiation (P<0.05). mRNA levels of vitamin D 25-hydroxylase were increased with UV-B or UV-C irradiation (268nm-305nm), significantly. Micro-CT examination revealed that short-term (4weeks) UV-irradiation did not induce morphological change of mice in any group. This study provides essential information that narrow-range UV irradiation with LED can increase the endogenous production of vitamin D, and mRNA levels of the responsible enzyme. Although bone morphology was not altered by short-term UV irradiation in this study, an increase of serum vitamin D might improve bone morphology with long-term irradiation.
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Commonalities in the Association between PPARG and Vitamin D Related with Obesity and Carcinogenesis. PPAR Res 2016; 2016:2308249. [PMID: 27579030 PMCID: PMC4992792 DOI: 10.1155/2016/2308249] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Accepted: 05/15/2016] [Indexed: 02/07/2023] Open
Abstract
The PPAR nuclear receptor family has acquired great relevance in the last decade, which is formed by three different isoforms (PPARα, PPARβ/δ, and PPAR ϒ). Those nuclear receptors are members of the steroid receptor superfamily which take part in essential metabolic and life-sustaining actions. Specifically, PPARG has been implicated in the regulation of processes concerning metabolism, inflammation, atherosclerosis, cell differentiation, and proliferation. Thus, a considerable amount of literature has emerged in the last ten years linking PPARG signalling with metabolic conditions such as obesity and diabetes, cardiovascular disease, and, more recently, cancer. This review paper, at crossroads of basic sciences, preclinical, and clinical data, intends to analyse the last research concerning PPARG signalling in obesity and cancer. Afterwards, possible links between four interrelated actors will be established: PPARG, the vitamin D/VDR system, obesity, and cancer, opening up the door to further investigation and new hypothesis in this fascinating area of research.
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Tamura Y, Fujito H, Kawao N, Kaji H. Vitamin D deficiency aggravates diabetes-induced muscle wasting in female mice. Diabetol Int 2016; 8:52-58. [PMID: 30603307 DOI: 10.1007/s13340-016-0278-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 06/12/2016] [Indexed: 12/21/2022]
Abstract
We recently reported that vitamin D deficiency aggravates diabetic bone loss in mice. Although vitamin D affects both muscle and bone, the role of the vitamin D state in diabetic muscle loss and muscle-bone relationships remains unclear. In the present study, we examined the effects of vitamin D deficiency on muscle mass, muscle differentiation and muscle-derived humoral factors linking muscle to bone in diabetic female mice. Diabetes was induced in mice by streptozotocin (STZ) injection after feeding with a normal or vitamin D-deficient diet for 6 weeks. Quantitative computed tomography analysis showed that tibial muscle mass was significantly decreased in diabetic mice compared with control mice 4 weeks after induction of diabetes. Vitamin D deficiency accelerated muscle loss in diabetic mice. Vitamin D deficiency augmented the decreases in Pax7 mRNA levels and the increases in muscle RING-Finger Protein-1 and atrogin-1 mRNA levels induced by diabetes in the gastrocnemius muscle of mice. Moreover, vitamin D deficiency decreased the mRNA levels of insulin-like growth factor-1, fibroblast growth factor-2 and osteoglycin in muscle of diabetic mice. In conclusion, we demonstrated that vitamin D deficiency aggravates muscle loss induced by diabetes in female mice. Vitamin D may exert significant effects on the maintenance of the musculoskeletal system partly through the muscle-bone relationships in diabetic state.
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Affiliation(s)
- Yukinori Tamura
- Department of Physiology and Regenerative Medicine, Kindai University Faculty of Medicine, 377-2 Ohnohigashi, Osakasayama, Osaka 589-8511 Japan
| | - Haruko Fujito
- Department of Physiology and Regenerative Medicine, Kindai University Faculty of Medicine, 377-2 Ohnohigashi, Osakasayama, Osaka 589-8511 Japan
| | - Naoyuki Kawao
- Department of Physiology and Regenerative Medicine, Kindai University Faculty of Medicine, 377-2 Ohnohigashi, Osakasayama, Osaka 589-8511 Japan
| | - Hiroshi Kaji
- Department of Physiology and Regenerative Medicine, Kindai University Faculty of Medicine, 377-2 Ohnohigashi, Osakasayama, Osaka 589-8511 Japan
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66
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Influences of dietary vitamin D restriction on bone strength, body composition and muscle in rats fed a high-fat diet: involvement of mRNA expression of MyoD in skeletal muscle. J Nutr Biochem 2016; 32:85-90. [DOI: 10.1016/j.jnutbio.2016.01.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 01/19/2016] [Accepted: 01/28/2016] [Indexed: 11/23/2022]
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Cielen N, Heulens N, Maes K, Carmeliet G, Mathieu C, Janssens W, Gayan-Ramirez G. Vitamin D deficiency impairs skeletal muscle function in a smoking mouse model. J Endocrinol 2016; 229:97-108. [PMID: 26906744 PMCID: PMC5064769 DOI: 10.1530/joe-15-0491] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 02/23/2016] [Indexed: 12/18/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is associated with skeletal muscle dysfunction. Vitamin D plays an important role in muscle strength and performance in healthy individuals. Vitamin D deficiency is highly prevalent in COPD, but its role in skeletal muscle dysfunction remains unclear. We examined the time-course effect of vitamin D deficiency on limb muscle function in mice with normal or deficient vitamin D serum levels exposed to air or cigarette smoke for 6, 12 or 18 weeks. The synergy of smoking and vitamin D deficiency increased lung inflammation and lung compliance from 6 weeks on with highest emphysema scores observed at 18 weeks. Smoking reduced body and muscle mass of the soleus and extensor digitorum longus (EDL), but did not affect contractility, despite type II atrophy. Vitamin D deficiency did not alter muscle mass but reduced muscle force over time, downregulated vitamin D receptor expression, and increased muscle lipid peroxidation but did not alter actin and myosin expression, fiber dimensions or twitch relaxation time. The combined effect of smoking and vitamin D deficiency did not further deteriorate muscle function but worsened soleus mass loss and EDL fiber atrophy at 18 weeks. We conclude that the synergy of smoking and vitamin D deficiency in contrast to its effect on lung disease, had different, independent but important noxious effects on skeletal muscles in a mouse model of mild COPD.
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Affiliation(s)
- Nele Cielen
- Laboratory of Respiratory DiseasesDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
| | - Nele Heulens
- Laboratory of Respiratory DiseasesDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
| | - Karen Maes
- Laboratory of Respiratory DiseasesDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
| | - Geert Carmeliet
- Laboratory of Clinical and Experimental EndocrinologyDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
| | - Chantal Mathieu
- Laboratory of Clinical and Experimental EndocrinologyDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
| | - Wim Janssens
- Laboratory of Respiratory DiseasesDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
| | - Ghislaine Gayan-Ramirez
- Laboratory of Respiratory DiseasesDepartment of Clinical and Experimental Medicine, KULeuven, Leuven, Belgium
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68
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Ray AD, Personius KE, Williamson DL, Dungan CM, Dhillon SS, Hershberger PA. Vitamin D3 intake modulates diaphragm but not peripheral muscle force in young mice. J Appl Physiol (1985) 2016; 120:1124-31. [PMID: 26968027 DOI: 10.1152/japplphysiol.00643.2015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 03/09/2016] [Indexed: 12/16/2022] Open
Abstract
Recent data support an important role for vitamin D in respiratory health. We tested the hypothesis that dietary vitamin D3 (VD3) intake modulates diaphragm (DIA) strength. Four-week-old female A/J mice (n = 10/group) were randomized to receive diets containing 100 IU VD3/kg (low), 1,000 IU VD3/kg (reference), or 10,000 IU VD3/kg (pharmacologic). After 6 wk of dietary intervention, plasma 25-hydroxyvitamin D3 (25D3) levels, DIA and extensor digitorum longus (EDL) in vitro contractile properties, and fiber cross-sectional area (CSA) were measured. Myosin heavy chain (MHC) composition and Akt/Foxo3A growth signaling were studied in the DIA and tibialis anterior. Mice fed the low, reference, and pharmacologic diets had average 25D3 levels of 7, 21, and 59 ng/ml, respectively. Maximal DIA force, twitch force, and fiber CSA were reduced 26%, 28%, and 10% (P < 0.01), respectively, in mice receiving the low-VD3 diet compared with the reference and pharmacologic diets. EDL force parameters were unaltered by diet. Effects of VD3 intake on DIA force were not observed in mice that began dietary intervention at 12 wk of age. VD3 intake did not alter the MHC composition of the DIA, indicating that decreases in force and CSA in young mice were not due to a switch in fiber type. Paradoxically, low VD3 intake was associated with activation of anabolic signaling in muscle (hyperphosphorylation of Akt and Foxo3A and decreased expression of autophagy marker LC3). These studies identify a potential role of dietary VD3 in regulating DIA development and insulin sensitivity.
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Affiliation(s)
- Andrew D Ray
- Department of Rehabilitation Science, University at Buffalo, Buffalo, New York;
| | | | - David L Williamson
- Department of Exercise and Nutrition Sciences, University at Buffalo, Buffalo, New York
| | - Cory M Dungan
- Department of Exercise and Nutrition Sciences, University at Buffalo, Buffalo, New York
| | - Samjot S Dhillon
- Department of Medicine, Thoracic Oncology, Roswell Park Cancer Institute, Buffalo, New York; and
| | - Pamela A Hershberger
- Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo, New York
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69
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Owens DJ, Sharples AP, Polydorou I, Alwan N, Donovan T, Tang J, Fraser WD, Cooper RG, Morton JP, Stewart C, Close GL. A systems-based investigation into vitamin D and skeletal muscle repair, regeneration, and hypertrophy. Am J Physiol Endocrinol Metab 2015; 309:E1019-31. [PMID: 26506852 DOI: 10.1152/ajpendo.00375.2015] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 10/19/2015] [Indexed: 01/08/2023]
Abstract
Skeletal muscle is a direct target for vitamin D. Observational studies suggest that low 25[OH]D correlates with functional recovery of skeletal muscle following eccentric contractions in humans and crush injury in rats. However, a definitive association is yet to be established. To address this gap in knowledge in relation to damage repair, a randomised, placebo-controlled trial was performed in 20 males with insufficient concentrations of serum 25(OH)D (45 ± 25 nmol/l). Prior to and following 6 wk of supplemental vitamin D3 (4,000 IU/day) or placebo (50 mg of cellulose), participants performed 20 × 10 damaging eccentric contractions of the knee extensors, with peak torque measured over the following 7 days of recovery. Parallel experimentation using isolated human skeletal muscle-derived myoblast cells from biopsies of 14 males with low serum 25(OH)D (37 ± 11 nmol/l) were subjected to mechanical wound injury, which enabled corresponding in vitro studies of muscle repair, regeneration, and hypertrophy in the presence and absence of 10 or 100 nmol 1α,25(OH)2D3. Supplemental vitamin D3 increased serum 25(OH)D and improved recovery of peak torque at 48 h and 7 days postexercise. In vitro, 10 nmol 1α,25(OH)2D3 improved muscle cell migration dynamics and resulted in improved myotube fusion/differentiation at the biochemical, morphological, and molecular level together with increased myotube hypertrophy at 7 and 10 days postdamage. Together, these preliminary data are the first to characterize a role for vitamin D in human skeletal muscle regeneration and suggest that maintaining serum 25(OH)D may be beneficial for enhancing reparative processes and potentially for facilitating subsequent hypertrophy.
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Affiliation(s)
- Daniel J Owens
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Adam P Sharples
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Ioanna Polydorou
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Nura Alwan
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Timothy Donovan
- Department of Sport and Exercise Sciences, Glyndwr University, Plas Coch Campus, Wrexham, United Kingdom
| | - Jonathan Tang
- Faculty of Medicine and Health Science, Norwich Medical School, University of East Anglia, Norwich, United Kingdom; and
| | - William D Fraser
- Faculty of Medicine and Health Science, Norwich Medical School, University of East Anglia, Norwich, United Kingdom; and
| | - Robert G Cooper
- Medical Research Council-Arthritis Research UK Centre for Integrated Research into Musculoskeletal Ageing, University of Liverpool, Liverpool, United Kingdom
| | - James P Morton
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Claire Stewart
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Graeme L Close
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom;
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70
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Girgis CM, Cha KM, Houweling PJ, Rao R, Mokbel N, Lin M, Clifton-Bligh RJ, Gunton JE. Vitamin D Receptor Ablation and Vitamin D Deficiency Result in Reduced Grip Strength, Altered Muscle Fibers, and Increased Myostatin in Mice. Calcif Tissue Int 2015; 97:602-10. [PMID: 26340892 DOI: 10.1007/s00223-015-0054-x] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 08/17/2015] [Indexed: 12/19/2022]
Abstract
Vitamin D deficiency is associated with muscle weakness, pain, and atrophy. Serum vitamin D predicts muscle strength and age-related muscle changes. However, precise mechanisms by which vitamin D affects skeletal muscle are unclear. To address this question, this study characterizes the muscle phenotype and gene expression of mice with deletion of vitamin D receptor (VDRKO) or diet-induced vitamin D deficiency. VDRKO and vitamin D-deficient mice had significantly weaker grip strength than their controls. Weakness progressed with age and duration of vitamin D deficiency, respectively. Histological assessment showed that VDRKO mice had muscle fibers that were significantly smaller in size and displayed hyper-nuclearity. Real-time PCR also indicated muscle developmental changes in VDRKO mice with dysregulation of myogenic regulatory factors (MRFs) and increased myostatin in quadriceps muscle (>2-fold). Vitamin D-deficient mice also showed increases in myostatin and the atrophy marker E3-ubiqutin ligase MuRF1. As a potential explanation for grip strength weakness, both groups of mice had down-regulation of genes encoding calcium-handling and sarco-endoplasmic reticulum calcium transport ATPase (Serca) channels. This is the first report of reduced strength, morphological, and gene expression changes in VDRKO and vitamin D-deficient mice where confounding by calcium, magnesium, and phosphate have been excluded by direct testing. Although suggested in earlier in vitro work, this study is the first to report an in vivo association between vitamin D, myostatin, and the regulation of muscle mass. These findings support a direct role for vitamin D in muscle function and corroborate earlier work on the presence of VDR in this tissue.
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Affiliation(s)
- Christian M Girgis
- Westmead Millennium Institute, 176 Hawkesbury Rd, Westmead, Sydney, NSW, 2145, Australia.
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia.
- Garvan Institute of Medical Research, Sydney, NSW, Australia.
| | - Kuan Minn Cha
- Westmead Millennium Institute, 176 Hawkesbury Rd, Westmead, Sydney, NSW, 2145, Australia
- Garvan Institute of Medical Research, Sydney, NSW, Australia
| | | | - Renuka Rao
- Westmead Millennium Institute, 176 Hawkesbury Rd, Westmead, Sydney, NSW, 2145, Australia
| | - Nancy Mokbel
- Garvan Institute of Medical Research, Sydney, NSW, Australia
| | - Mike Lin
- Garvan Institute of Medical Research, Sydney, NSW, Australia
| | - Roderick J Clifton-Bligh
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia
- The Kolling Institute of Medical Research, Sydney, NSW, Australia
- Royal North Shore Hospital, Sydney, NSW, Australia
| | - Jenny E Gunton
- Westmead Millennium Institute, 176 Hawkesbury Rd, Westmead, Sydney, NSW, 2145, Australia.
- Faculty of Medicine, University of Sydney, Sydney, NSW, Australia.
- Garvan Institute of Medical Research, Sydney, NSW, Australia.
- Department of Endocrinology and Diabetes, Westmead Hospital, Sydney, NSW, Australia.
- St Vincent's Clinical School, University of New South Wales, Sydney, NSW, Australia.
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71
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Khalil MS. Vitamin D3 May Ameliorate the Ketoconazole Induced Adrenal Injury: Histological and Immunohistochemical Studies on Albino Rats. Acta Histochem Cytochem 2015; 48:103-13. [PMID: 26379312 PMCID: PMC4564376 DOI: 10.1267/ahc.14062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Accepted: 06/01/2015] [Indexed: 01/03/2023] Open
Abstract
Ketoconazole (KZ) is used widely for treating the superficial, systemic fungal activities and hyperandrogenemic states. Its uses are limited by its deleterious effect on histological structure and function of the adrenal cortex. This study investigates whether vitamin D3 supplement can ameliorate the morphological changes induced by KZ. Thirty four adult male albino rats were randomized into control group (Group I) which was subdivided into: control 1 (n=7) and control 2 (n=7): In control 1, rats were intraperitoneal (I.P) injected once with 1 ml of polyethylene glycol-400 for 15 consecutive days and control 2 rats were injected I.P with (1 μg/kg) of vitamin D3 for the same period. Group II (n=10): rats were I.P injected with KZ (10 mg/100 g of body weight) once daily for 15 days; Group III (n=10): rats were I.P concomitantly injected with KZ and vitamin D3 similar doses to animals in groups II and control 2 respectively. Blood samples were collected to determine plasma ACTH, corticosterone and aldosterone levels. The right adrenal specimens sections were stained with Haematoxylin & Eosin and Masson Trichrome for histological studies and treated with Bax, Ubiquitin and vitamin D receptors for immunohistochemical studies. KZ induced adrenal cortical morphological changes in forms of disturbed adrenocorticocyte cytological architecture, nuclear changes, and intracellular lipid accumulation. KZ also increased adrenal Bax and Ub but decreased the vitamin D receptors immunopositive staining expression, in addition to increased plasma ACTH as well as decreased corticosterone and aldosterone levels. These changes were ameliorated by supplementing with vitamin D3.
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Affiliation(s)
- Mahmoud Salah Khalil
- Department of Histology, Faculty of Medicine, Suez Canal University, Egypt
- Medical College, King Saud University, KSA
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72
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Bhat M, Ismail A. Vitamin D treatment protects against and reverses oxidative stress induced muscle proteolysis. J Steroid Biochem Mol Biol 2015; 152:171-9. [PMID: 26047554 DOI: 10.1016/j.jsbmb.2015.05.012] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 05/27/2015] [Accepted: 05/31/2015] [Indexed: 11/26/2022]
Abstract
Vitamin D is known to have a biological role in many extra skeletal tissues in the body including muscle. Vitamin D deficiency has been associated with preferential atrophy of type II fibres in human muscle. Vitamin D at physiological concentrations is known to protect cells against oxidative damage. In this study we examined whether vitamin D deficiency induces muscle oxidative stress in a rat model and further if pre or post treatment of C2C12 muscle cells with vitamin D offers protection against oxidative stress induced muscle proteolysis. Protein carbonylation as a marker of protein oxidation was increased in both the deficient muscle and vehicle-treated C2C12 cells. Vitamin D deficiency led to an increase in activities of the glutathione-dependent enzymes and decrease in SOD and catalase enzymes in the rat muscle. Higher nitrate levels indicative of nitrosative stress were observed in the deficient muscle compared to control muscle. Rehabilitation with vitamin D could reverse the alterations in oxidative and nitrosative stress parameters. Increase in total protein degradation, 20S proteasomal enzyme activity, muscle atrophy gene markers and expression of proteasome subunit genes induced by oxidative stress were corrected both by pre/post treatment of C2C12 muscle cells with vitamin D. Increase in SOD activity in the presence of vitamin D indicates antioxidant potential of vitamin D in the muscle. The data presented indicates that vitamin D deficiency leads to mild oxidative stress in the muscle which may act as a trigger for increased proteolysis in the vitamin D deficient muscle.
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Affiliation(s)
- Mehrajuddin Bhat
- Department of Endocrinology & Metabolism, National Institute of Nutrition, Hyderabad, India
| | - Ayesha Ismail
- Department of Endocrinology & Metabolism, National Institute of Nutrition, Hyderabad, India.
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73
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Girgis CM, Baldock PA, Downes M. Vitamin D, muscle and bone: Integrating effects in development, aging and injury. Mol Cell Endocrinol 2015; 410:3-10. [PMID: 25837735 DOI: 10.1016/j.mce.2015.03.020] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Revised: 03/24/2015] [Accepted: 03/24/2015] [Indexed: 12/14/2022]
Abstract
Beyond the established effects of muscle loading on bone, a complex network of hormones and growth factors integrates these adjacent tissues. One such hormone, vitamin D, exerts broad-ranging effects in muscle and bone calcium handling, differentiation and development. Vitamin D also modulates muscle and bone-derived hormones, potentially facilitating cross-talk between these tissues. In the clinical setting, vitamin D deficiency or mutations of the vitamin D receptor result in generalized atrophy of muscle and bone, suggesting coordinated effects of vitamin D at these sites. In this review, we discuss emerging evidence that vitamin D exerts specific effects throughout the life of the musculoskeletal system - in development, aging and injury. From this holistic viewpoint, we offer new insights into an old debate: whether vitamin D's effects in the musculoskeletal system are direct via local VDR signals or indirect via its systemic effects in calcium and phosphate homeostasis.
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Affiliation(s)
- Christian M Girgis
- Westmead Millennium Institute for Medical Research, Sydney, NSW, Australia; Faculty of Medicine, University of Sydney, Sydney, NSW, Australia; Garvan Institute of Medical Research, Sydney, NSW, Australia.
| | - Paul A Baldock
- Garvan Institute of Medical Research, Sydney, NSW, Australia
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74
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Reddy GB, Sivaprasad M, Shalini T, Satyanarayana A, Seshacharyulu M, Balakrishna N, Viswanath K, Sahay M. Plasma vitamin D status in patients with type 2 diabetes with and without retinopathy. Nutrition 2015; 31:959-63. [DOI: 10.1016/j.nut.2015.01.012] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 01/16/2015] [Accepted: 01/23/2015] [Indexed: 11/26/2022]
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75
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Vitamin D status is a determinant of skeletal muscle mass in obesity according to body fat percentage. Nutrition 2015; 31:801-6. [DOI: 10.1016/j.nut.2014.11.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Revised: 11/03/2014] [Accepted: 11/20/2014] [Indexed: 12/11/2022]
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76
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Abstract
Chronic kidney disease (CKD) is associated with a decline in muscle mass, strength, and function, collectively called "sarcopenia." Sarcopenia is associated with hospitalizations and mortality in CKD and is therefore important to understand and characterize. While the focus of skeletal health in CKD has traditionally focused on bone and mineral aberrations, it is now recognized that sarcopenia must also play a role in poor musculoskeletal health in this population. In this paper, we present an overview of skeletal muscle changes in CKD, including defects in skeletal muscle catabolism and anabolism in uremic tissue. There are many gaps in knowledge in this field that should be the focus for future research to unravel pathogenesis and therapies for musculoskeletal health in CKD.
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Affiliation(s)
- Keith G. Avin
- Indiana University School of Health and Rehabilitation Sciences, Indianapolis, IN 46202, USA
| | - Ranjani N. Moorthi
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, 950 W. Walnut St, R2-202, Indianapolis, IN 46202, USA
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77
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Polge C, Attaix D, Taillandier D. Role of E2-Ub-conjugating enzymes during skeletal muscle atrophy. Front Physiol 2015; 6:59. [PMID: 25805999 PMCID: PMC4354305 DOI: 10.3389/fphys.2015.00059] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 02/14/2015] [Indexed: 01/05/2023] Open
Abstract
The Ubiquitin Proteasome System (UPS) is a major actor of muscle wasting during various physio-pathological situations. In the past 15 years, increasing amounts of data have depicted a picture, although incomplete, of the mechanisms implicated in myofibrillar protein degradation, from the discovery of muscle-specific E3 ligases to the identification of the signaling pathways involved. The targeting specificity of the UPS relies on the capacity of the system to first recognize and then label the proteins to be degraded with a poly-ubiquitin (Ub) chain. It is fairly assumed that the recognition of the substrate is accomplished by the numerous E3 ligases present in mammalian cells. However, most E3s do not possess any catalytic activity and E2 enzymes may be more than simple Ub-providers for E3s since they are probably important actors in the ubiquitination machinery. Surprisingly, most authors have tried to characterize E3 substrates, but the exact role of E2s in muscle protein degradation is largely unknown. A very limited number of the 35 E2s described in humans have been studied in muscle protein breakdown experiments and the vast majority of studies were only descriptive. We review here the role of E2 enzymes in skeletal muscle and the difficulties linked to their study and provide future directions for the identification of muscle E2s responsible for the ubiquitination of contractile proteins.
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Affiliation(s)
- Cecile Polge
- UMR 1019 Nutrition Humaine, Institut National de la Recherche Agronomique Saint Genès Champanelle, France
| | - Didier Attaix
- UMR 1019 Nutrition Humaine, Institut National de la Recherche Agronomique Saint Genès Champanelle, France
| | - Daniel Taillandier
- UMR 1019 Nutrition Humaine, Institut National de la Recherche Agronomique Saint Genès Champanelle, France
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Kawao N, Kaji H. Interactions Between Muscle Tissues and Bone Metabolism. J Cell Biochem 2015; 116:687-95. [DOI: 10.1002/jcb.25040] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 12/15/2014] [Indexed: 12/21/2022]
Affiliation(s)
- Naoyuki Kawao
- Department of Physiology and Regenerative Medicine; Kinki University Faculty of Medicine; Osakasayama Japan
| | - Hiroshi Kaji
- Department of Physiology and Regenerative Medicine; Kinki University Faculty of Medicine; Osakasayama Japan
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79
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Bhat M, Noolu B, Qadri SSYH, Ismail A. Vitamin D deficiency decreases adiposity in rats and causes altered expression of uncoupling proteins and steroid receptor coactivator3. J Steroid Biochem Mol Biol 2014; 144 Pt B:304-12. [PMID: 25132457 DOI: 10.1016/j.jsbmb.2014.08.005] [Citation(s) in RCA: 20] [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: 05/19/2014] [Revised: 08/01/2014] [Accepted: 08/08/2014] [Indexed: 12/15/2022]
Abstract
The vitamin D endocrine system is functional in the adipose tissue, as demonstrated in vitro, in cultured adipocytes, and in vivo in mutant mice that developed altered lipid metabolism and fat storage in the absence of either 1,25-dihydroxyvitamin D3 [1,25(OH)2D3] or the vitamin D receptor. The aim of the present study was to examine the role of vitamin D and calcium on body adiposity in a diet-induced vitamin D deficient rat model. Vitamin D-deficient rats gained less weight and had lower amounts of visceral fat. Consistent with reduced adipose tissue mass, the vitamin D-deficient rats had low circulating levels of leptin, which reflects body fat stores. Expression of vitamin D and calcium sensing receptors, and that of genes involved in adipogenesis such as peroxisome proliferator-activated receptor, fatty acid synthase and leptin were significantly reduced in white adipose tissue of deficient rats compared to vitamin D-sufficient rats. Furthermore, the expression of uncoupling proteins (Ucp1 and Ucp2) was elevated in the white adipose tissue of the deficient rat indicative of higher energy expenditure, thereby leading to a lean phenotype. Expression of the p160 steroid receptor coactivator3 (SRC3), a key regulator of adipogenesis in white adipose tissue was decreased in vitamin D-deficient state. Interestingly, most of the changes observed in vitamin D deficient rats were corrected by calcium supplementation alone. Our data demonstrates that dietary vitamin D and calcium regulate adipose tissue function and metabolism.
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Affiliation(s)
| | - Bindu Noolu
- Department of Endocrinology and Metabolism, Hyderabad, India
| | - Syed S Y H Qadri
- Department of Pathology, National Institute of Nutrition, Hyderabad, India
| | - Ayesha Ismail
- Department of Endocrinology and Metabolism, Hyderabad, India.
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80
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Todd JJ, Pourshahidi LK, McSorley EM, Madigan SM, Magee PJ. Vitamin D: Recent Advances and Implications for Athletes. Sports Med 2014; 45:213-29. [DOI: 10.1007/s40279-014-0266-7] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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81
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Affiliation(s)
- Roger Bouillon
- Clinical and Experimental Endocrinology (R.B., D.V.), KU Leuven and department of Endocrinology, University Hospitals Leuven, B 3000 Leuven, Belgium; and Gerontology and Geriatrics (E.G.), KU Leuven and Department of Geriatrics, University Hospitals Leuven, B 3000 Leuven, Belgium
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82
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Bouillon R, Carmeliet G, Lieben L, Watanabe M, Perino A, Auwerx J, Schoonjans K, Verstuyf A. Vitamin D and energy homeostasis: of mice and men. Nat Rev Endocrinol 2014; 10:79-87. [PMID: 24247221 DOI: 10.1038/nrendo.2013.226] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The vitamin D endocrine system has many extraskeletal targets, including adipose tissue. 1,25-Dihydroxyvitamin D₃, the active form of vitamin D, not only increases adipogenesis and the expression of typical adipocyte genes but also decreases the expression of uncoupling proteins. Mice with disrupted vitamin D action--owing to gene deletion of the nuclear receptor vitamin D receptor (Vdr) or the gene encoding 1α-hydroxylase (Cyp27b1)--lose fat mass over time owing to an increase in energy expenditure, whereas mice with increased Vdr-mediated signalling in adipose tissue become obese. The resistance to diet-induced obesity in mice with disrupted Vdr signalling is caused at least partially by increased expression of uncoupling proteins in white adipose tissue. However, the bile acid pool is also increased in these animals, and bile acids are known to be potent inducers of energy expenditure through activation of several nuclear receptors, including Vdr, and G-protein-coupled receptors, such as GPBAR1 (also known as TGR5). By contrast, in humans, obesity is strongly associated with poor vitamin D status. A causal link has not been firmly proven, but most intervention studies have failed to demonstrate a beneficial effect of vitamin D supplementation on body weight. The reasons for the major discrepancy between mouse and human data are unclear, but understanding the link between vitamin D status and energy homeostasis could potentially be very important for the human epidemic of obesity and the metabolic syndrome.
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Affiliation(s)
- Roger Bouillon
- Clinical and Experimental Endocrinology, KU Leuven, O&NI Herestraat 49 - bus 902, 3000 Leuven, Belgium
| | - Geert Carmeliet
- Clinical and Experimental Endocrinology, KU Leuven, O&NI Herestraat 49 - bus 902, 3000 Leuven, Belgium
| | - Liesbet Lieben
- Clinical and Experimental Endocrinology, KU Leuven, O&NI Herestraat 49 - bus 902, 3000 Leuven, Belgium
| | - Mitsuhiro Watanabe
- Health Science Laboratory, Graduate School of Media and Governance, Keio University, 5322 Endo Fujisawa-shi, 252-0882 Kanagawa, Japan
| | - Alessia Perino
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Station 15, AI 1149, CH-1015 Lausanne, Switzerland
| | - Johan Auwerx
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Station 15, AI 1149, CH-1015 Lausanne, Switzerland
| | - Kristina Schoonjans
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Station 15, AI 1149, CH-1015 Lausanne, Switzerland
| | - Annemieke Verstuyf
- Clinical and Experimental Endocrinology, KU Leuven, O&NI Herestraat 49 - bus 902, 3000 Leuven, Belgium
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83
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Girgis CM, Clifton-Bligh RJ, Turner N, Lau SL, Gunton JE. Effects of vitamin D in skeletal muscle: falls, strength, athletic performance and insulin sensitivity. Clin Endocrinol (Oxf) 2014; 80:169-81. [PMID: 24256495 DOI: 10.1111/cen.12368] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 11/08/2013] [Accepted: 11/15/2013] [Indexed: 12/17/2022]
Abstract
Accompanying the high rates of vitamin D deficiency observed in many countries, there is increasing interest in the physiological functions of vitamin D. Vitamin D is recognized to exert extra-skeletal actions in addition to its classic roles in bone and mineral homeostasis. Here, we review the evidence for vitamin D's actions in muscle on the basis of observational studies, clinical trials and basic research. Numerous observational studies link vitamin D deficiency with muscle weakness and sarcopaenia. Randomized trials predominantly support an effect of vitamin D supplementation and the prevention of falls in older or institutionalized patients. Studies have also examined the effect of vitamin D in athletic performance, both inferentially by UV radiation and directly by vitamin D supplementation. Effects of vitamin D in muscle metabolic function, specifically insulin sensitivity, are also addressed in this review. At a mechanistic level, animal studies have evaluated the roles of vitamin D and associated minerals, calcium and phosphate, in muscle function. In vitro studies have identified molecular pathways by which vitamin D regulates muscle cell signalling and gene expression. This review evaluates evidence for the various roles of vitamin D in skeletal muscle and discusses controversies that have made this a dynamic field of research.
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Affiliation(s)
- Christian M Girgis
- Diabetes and Transcription Factors Group, Garvan Institute of Medical Research (GIMR), Sydney, NSW, Australia; Faculty of Medicine, University of Sydney, Sydney, NSW, Australia
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Affiliation(s)
- Marie-Laure Kottler
- Head Centre Hospitalier Universitaire de Caen Genetics, Avenue Georges Clemenceau, Caen, France F-14033.
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