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Agostini D, Donati Zeppa S. Vitamin D, Diet and Musculoskeletal Health. Nutrients 2023; 15:2902. [PMID: 37447228 DOI: 10.3390/nu15132902] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 06/18/2023] [Indexed: 07/15/2023] Open
Abstract
Vitamin D is a fat-soluble steroid hormone, acting through genomic and non-genomic mechanisms, obtainable via two main sources: diet and exposure to ultraviolet B rays [...].
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Affiliation(s)
- Deborah Agostini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Sabrina Donati Zeppa
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
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2
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Hypothesized pathways for the association of vitamin D status and insulin sensitivity with resting energy expenditure: a cross sectional mediation analysis in Australian adults of European ancestry. Eur J Clin Nutr 2022; 76:1457-1463. [PMID: 35365764 PMCID: PMC9550620 DOI: 10.1038/s41430-022-01123-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/06/2022] [Accepted: 03/11/2022] [Indexed: 11/29/2022]
Abstract
Background The role of vitamin D in human energy expenditure requires confirmation. We explored whether insulin sensitivity (IS)/insulin resistance (IR) mediated the association of vitamin D status (25OHD) on resting energy expenditure (REE). Methods REE, body composition (by DEXA) and clinical biochemistry of 155 Australian men and women were collated. A hypothesized mediation pathway through IS/IR on the direct association between 25OHD and REE was modeled, using three surrogate indices of IS/IR: McAuley’s insulin sensitivity index (McA), Quantitative insulin sensitivity check index (QUICKI) and triglyceride to glucose ratio (TYG). The modeling was performed on PROCESS SPSS Macro (version 4.0) based on 5000 bootstrapped samples, with and without the adjustment for covariates. Results Unadjusted models indicated a sizeable negative mediation by all IS/IR indices but no significant direct effect of 25OHD on REE. On adjustment for covariates, a negative indirect mediation effect of McA [β coefficient (SE) −2.1(0.821); bootstrapped 95% CI:−3.934, −0.703; p < 0.05] and a similar negative mediation of TYG [−1.935 (0.780); bootstrapped 95% CI: (−3.679, −0.622; p < 0.05] was observed. These models also showed a positive direct effect of 25OHD on REE. In contrast, QUICKI made a smaller contribution to the total effect though in the same direction as the other two measures [−0.783 (0.534); bootstrapped 95% CI: (−1.939, 0.134; P > 0.05]. Conclusions A sizeable, partial, negative mediation of IS/IR on the direct relationship between 25OHD and REE, dampened the total effect of vitamin D on REE. Validation of the proposed causal framework would clarify vitamin D’s role in human energy metabolism.
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Hew-Butler T, Aprik C, Byrd B, Sabourin J, VanSumeren M, Smith-Hale V, Blow A. Vitamin D supplementation and body composition changes in collegiate basketball players: a 12-week randomized control trial. J Int Soc Sports Nutr 2022; 19:34-48. [PMID: 35599918 PMCID: PMC9116404 DOI: 10.1080/15502783.2022.2046444] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background Vitamin D promotes bone and muscle growth in non-athletes, suggesting supplementation may be ergogenic in athletes. Our primary aim was to determine if modest Vitamin D supplementation augments favorable body composition changes (increased bone and lean mass and decreased fat mass) and performance in collegiate basketball players following 12 weeks of standardized training. Methods Members of a men’s and women’s NCAA D1 Basketball team were recruited. Volunteers were randomized to receive either a weekly 4000 IU Vitamin D3 supplement (D3) or placebo (P) over 12 weeks of standardized pre-season strength training. Pre- and post-measurements included 1) serum 25-hydroxy vitamin D (25(OH)D); 2) body composition variables (total body lean, fat, and bone mass) using dual-energy X-ray absorptiometry (DXA) scans and 3) vertical jump test to assess peak power output. Dietary intake was assessed using Food Frequency questionnaires. Main outcome measures included changes (∆: post-intervention minus pre-intervention) in 25(OH)D, body composition, and performance. Results Eighteen of the 23 players completed the trial (8 females/10 males). Eight received the placebo (20 ± 1 years; 3 females) while ten received Vitamin D3 (20 ± 2 years; 5 females). Weekly Vitamin D3 supplementation induced non-significant increases (∆) in 25(OH)D (2.6 ± 7.2 vs. −3.5 ± 5.3 ng/mL; p = 0.06), total body bone mineral content (BMC) (73.1 ± 62.5 vs. 84.1 ± 46.5 g; p = 0.68), and total body lean mass (2803.9 ± 1655.4 vs. 4474.5 ± 11,389.8 g; p = 0.03), plus a non-significant change in body fat (−0.5 ± 0.8 vs. −1.1 ± 1.2%; p = 0.19) (Vitamin D3 vs. placebo supplementation groups, respectively). Pre 25(OH)D correlated with both Δ total fat mass (g) (r = 0.65; p = 0.003) and Δ total body fat% (r = 0.56; p = 0.02). No differences were noted in peak power output ∆ between the D3 vs. P group (−127.4 ± 335.4 vs. 50.9 ± 9 W; NS). Participants in the D3 group ingested significantly fewer total calories (−526.2 ± 583.9 vs. −10.0 ± 400 kcals; p = 0.02) than participants in the P group. Conclusions Modest (~517 IU/day) Vitamin D3 supplementation did not enhance favorable changes in total body composition or performance, over 3 months of training, in collegiate basketball players. Weight training provides a robust training stimulus for bone and lean mass accrual, which likely predominates over isolated supplement use with adequate caloric intakes.
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Affiliation(s)
- Tamara Hew-Butler
- Exercise Science and Athletics Departments, Oakland University, Rochester, Michigan, USA
- Division of Kinesiology, Health and Sport Studies, Wayne State University, Detroit, Michigan, USA
| | - Carrie Aprik
- Exercise Science and Athletics Departments, Oakland University, Rochester, Michigan, USA
| | - Brigid Byrd
- Division of Kinesiology, Health and Sport Studies, Wayne State University, Detroit, Michigan, USA
| | - Jordan Sabourin
- Division of Kinesiology, Health and Sport Studies, Wayne State University, Detroit, Michigan, USA
| | - Matthew VanSumeren
- Division of Kinesiology, Health and Sport Studies, Wayne State University, Detroit, Michigan, USA
| | - Valerie Smith-Hale
- Division of Kinesiology, Health and Sport Studies, Wayne State University, Detroit, Michigan, USA
| | - Andrew Blow
- Precision, Fuel & Hydration, Minneapolis, Mn, USA
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Godala M, Sewerynek E, Maślach D, Krzyżak M, Gaszyńska E. Resting Metabolic Rate in Women with Endocrine and Osteoporotic Disorders in Relation to Nutritional Status, Diet and 25(OH)D Concentration. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19053118. [PMID: 35270809 PMCID: PMC8910149 DOI: 10.3390/ijerph19053118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/16/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023]
Abstract
There are speculations that vitamin D may be an important regulator of the energy metabolism. The aim of this study was to evaluate the influence of serum 25(OH)D concentration and nutritional status on the resting metabolic rate. The study group consisted of 223 women with endocrine and/or osteoporotic disorders. The control group consisted of 108 women, clinically healthy. The total 25(OH)D concentration level was measured with an assay using chemiluminescent immunoassay technology. Indirect calorimetry was applied to assess the resting metabolic rate. The mean resting metabolic rate was significantly lower in the group of women with metabolic disorders than in the control group. A correlation was found between serum 25(OH)D levels in healthy subjects and the resting metabolic rate. Significantly higher resting metabolic rate was found in women with normal serum 25(OH)D levels in comparison to subjects with deficient vitamin D levels. The control group demonstrated a relationship between body fat tissue and fat-free body mass and the resting metabolic rate. Both 25(OH)D concentration and body composition were factors influencing the resting metabolic rate in the group of healthy subjects. More research is needed to clarify the relationship between vitamin D status and metabolic rate in individuals with endocrine and osteoporotic disorders.
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Affiliation(s)
- Małgorzata Godala
- Department of Nutrition and Epidemiology, Medical University of Lodz, No.7/9 Żeligowskiego St., 90-752 Łódź, Poland;
- Correspondence:
| | - Ewa Sewerynek
- Department of Endocrine Disorders and Bone Metabolism, Medical University of Lodz, No.7/9 Żeligowskiego St., 90-752 Łódź, Poland;
| | - Dominik Maślach
- Department of Public Health, Medical University of Bialystok, No.37 Szpitalna St., 15-295 Bialystok, Poland;
| | - Michalina Krzyżak
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, No.2c Mickiewicza St., 15-022 Bialystok, Poland;
| | - Ewelina Gaszyńska
- Department of Nutrition and Epidemiology, Medical University of Lodz, No.7/9 Żeligowskiego St., 90-752 Łódź, Poland;
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Changes of 25(OH)D Concentration, Bone Resorption Markers and Physical Performance as an Effect of Sun Exposure, Supplementation of Vitamin D and Lockdown among Young Soccer Players during a One-Year Training Season. Nutrients 2022; 14:nu14030521. [PMID: 35276883 PMCID: PMC8838295 DOI: 10.3390/nu14030521] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 12/10/2022] Open
Abstract
The main purpose of this research was to demonstrate the changes in 25(OH)D concentration, bone resorption markers, and physical fitness along the one-year training season in young soccer players. A total of 24 young soccer players (age: 17.2 ± 1.16 years, mass: 70.2 ± 5.84, height: 179.1 ± 4.26 cm) were tested at four different time points across one year (T1—September 2019; T2—December 2019; T3—May 2020; T4—August 2020). After T2 (during COVID-19 lockdown), players were divided into a supplemented (GS) group and a placebo group (GP). Variables such as 25(OH)D, calcium (Ca), phosphorus (P), parathyroid hormone (PTH), aerobic capacity, speed, and explosive power were measured. Analyses performed for all participants indicated significant changes in all selected blood markers and running speed. The highest values in 25(OH)D were noted during summertime in T1 and T4. After individuals were split into two groups, a two-factorial ANOVA demonstrated a significant time interaction for 25(OH)D, Ca, P, PTH, 30 m sprint, and counter-movement jump. Significant time x group effect was calculated for aerobic capacity. This study confirmed that 25(OH)D concentration varies between four seasons, with the greatest decreases in the low sunlight periods. Vitamin D supplementation did not cause a preventive and long-lasting effect of increasing the 25(OH)D concentration in the young soccer players.
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Latham CM, Brightwell CR, Keeble AR, Munson BD, Thomas NT, Zagzoog AM, Fry CS, Fry JL. Vitamin D Promotes Skeletal Muscle Regeneration and Mitochondrial Health. Front Physiol 2021; 12:660498. [PMID: 33935807 PMCID: PMC8079814 DOI: 10.3389/fphys.2021.660498] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/17/2021] [Indexed: 12/13/2022] Open
Abstract
Vitamin D is an essential nutrient for the maintenance of skeletal muscle and bone health. The vitamin D receptor (VDR) is present in muscle, as is CYP27B1, the enzyme that hydroxylates 25(OH)D to its active form, 1,25(OH)D. Furthermore, mounting evidence suggests that vitamin D may play an important role during muscle damage and regeneration. Muscle damage is characterized by compromised muscle fiber architecture, disruption of contractile protein integrity, and mitochondrial dysfunction. Muscle regeneration is a complex process that involves restoration of mitochondrial function and activation of satellite cells (SC), the resident skeletal muscle stem cells. VDR expression is strongly upregulated following injury, particularly in central nuclei and SCs in animal models of muscle injury. Mechanistic studies provide some insight into the possible role of vitamin D activity in injured muscle. In vitro and in vivo rodent studies show that vitamin D mitigates reactive oxygen species (ROS) production, augments antioxidant capacity, and prevents oxidative stress, a common antagonist in muscle damage. Additionally, VDR knockdown results in decreased mitochondrial oxidative capacity and ATP production, suggesting that vitamin D is crucial for mitochondrial oxidative phosphorylation capacity; an important driver of muscle regeneration. Vitamin D regulation of mitochondrial health may also have implications for SC activity and self-renewal capacity, which could further affect muscle regeneration. However, the optimal timing, form and dose of vitamin D, as well as the mechanism by which vitamin D contributes to maintenance and restoration of muscle strength following injury, have not been determined. More research is needed to determine mechanistic action of 1,25(OH)D on mitochondria and SCs, as well as how this action manifests following muscle injury in vivo. Moreover, standardization in vitamin D sufficiency cut-points, time-course study of the efficacy of vitamin D administration, and comparison of multiple analogs of vitamin D are necessary to elucidate the potential of vitamin D as a significant contributor to muscle regeneration following injury. Here we will review the contribution of vitamin D to skeletal muscle regeneration following injury.
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Affiliation(s)
- Christine M Latham
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States
| | - Camille R Brightwell
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States
| | - Alexander R Keeble
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States
| | - Brooke D Munson
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States
| | - Nicholas T Thomas
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States
| | - Alyaa M Zagzoog
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States
| | - Christopher S Fry
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States.,Center for Muscle Biology, College of Health Sciences, University of Kentucky, Lexington, KY, United States
| | - Jean L Fry
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY, United States.,Center for Muscle Biology, College of Health Sciences, University of Kentucky, Lexington, KY, United States
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