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Karimi E, Arab A, Rafiee M, Amani R. A systematic review and meta-analysis of the association between vitamin D and ovarian reserve. Sci Rep 2021; 11:16005. [PMID: 34362981 PMCID: PMC8346573 DOI: 10.1038/s41598-021-95481-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/12/2021] [Indexed: 02/07/2023] Open
Abstract
It is hypothesized that vitamin D deficiency could be related to ovarian reserve. This systematic review and meta-analysis was undertaken to analyze the possible association between vitamin D and ovarian reserve among adolescent and adult women. All eligible studies identified through the ISI Web of Science, PubMed, and Scopus were included up to May 2021. A random-effects meta-analysis model was implemented and a weighted mean difference (WMD) and 95% confidence interval (CI) were calculated. A total of 38 papers covering 8608 individuals were enrolled in this systematic review and meta-analysis. Antral follicle count (AFC) was significantly lower among Asians (WMD - 0.65; 95% CI - 1.28 to - 0.01; P = 0.04; I2 = 0.0%) and luteinizing hormone (LH) levels were higher in non-Asians (WMD 2.16 IU/L; 95% CI 0.20 to 4.12; P = 0.031; I2 = 9.3%) with vitamin D insufficiency/deficiency. Also, there was a negative correlation between vitamin D and LH/FSH ratio in women with normal body mass index (BMI) (Fisher's Z: - 0.18; 95% CI - 0.37 to - 0.008; P = 0.041; I2 = 51.5%). Although there were no significant associations between serum vitamin D levels and any of the intended ovarian reserve markers, subgroup analyses have found significant findings regarding AFC, LH, and LH/FSH ratio. In order to understand the underlying mechanisms of vitamin D in female reproduction, further attempts are needed.
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Affiliation(s)
- Elham Karimi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Research Development Center, Arash Women's Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Arman Arab
- Department of Community Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Masoumeh Rafiee
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Reza Amani
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Di Luigi L, Antinozzi C, Piantanida E, Sgrò P. Vitamin D, sport and health: a still unresolved clinical issue. J Endocrinol Invest 2020; 43:1689-1702. [PMID: 32632904 DOI: 10.1007/s40618-020-01347-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 06/25/2020] [Indexed: 02/07/2023]
Abstract
Vitamin D metabolites have a pleiotropic role in human physiology, both in static and dynamic conditions, and a lot of vitamin D-related biological effects could influence physical and sport performances in athletes. Probably due to different factors (e.g., drugs, doping, nutrition, ultraviolet B radiation exposure), in athletes a very high prevalence of vitamin D inadequacy (i.e., deficiency or insufficiency) has been observed. Vitamin D inadequacy in athletes could be associated with specific health risks and to alterations of functional capacities, potentially influencing the fine adjustment of physical performances during training and sport competitions. When risk factors for vitamin D inadequacy exist, a preventive vitamin D supplementation is indicated, and if a vitamin D inadequacy is diagnosed, its supplementation is recommended. Unfortunately, on these issues many concerns remain unresolved. Indeed, it is not clear if athletes should be classified as a special population at increased risk for vitamin D inadequacy; moreover, in comparison to the non-athletic population, it is still not clear if athletes should have different reference ranges and different optimal target levels for serum vitamin D, if they have additional health risks, and if they need different type of supplementations (doses) for prevention and/or replacement therapy. Moreover, in athletes also the abuse of vitamin D supplements for ergogenic purposes raise different ethical and safety concerns. In this review, the main physio-pathological, functional and clinical issues that relate vitamin D to the world of athletes are described.
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Affiliation(s)
- L Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, Università Degli Studi Di Roma "Foro Italico", Piazza Lauro de Bosis, 6, 00135, Rome, Italy.
| | - C Antinozzi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, Università Degli Studi Di Roma "Foro Italico", Piazza Lauro de Bosis, 6, 00135, Rome, Italy
| | - E Piantanida
- Department of Medicine and Surgery, University of Insubria, Via Ravasi 2, 21100, Varese, Italy
| | - P Sgrò
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, Università Degli Studi Di Roma "Foro Italico", Piazza Lauro de Bosis, 6, 00135, Rome, Italy
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Börjesson A, Möller C, Hagelin A, Vicente V, Rane A, Lehtihet M, Dahl ML, Gårevik N, Ekström L. Male Anabolic Androgenic Steroid Users with Personality Disorders Report More Aggressive Feelings, Suicidal Thoughts, and Criminality. ACTA ACUST UNITED AC 2020; 56:medicina56060265. [PMID: 32481676 PMCID: PMC7353874 DOI: 10.3390/medicina56060265] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 11/16/2022]
Abstract
Background and objectives: Anabolic androgenic steroids (AAS) are mainly used for aesthetic and performance-enhancing reasons. Their use is a growing public health problem and concern for society because of their adverse effects. The primary aim of this study was to identify psychiatric and personality disorders and to measure anxiety and depression in AAS users. Materials and Methods: Fifty-six males who actively contacted the Anti-Doping Hot-Line and wished to stop using AAS were included. Structured Clinical Interviews Diagnosis-I and -II were used to diagnose psychiatric and personality disorders. The Brief Scale for Anxiety and Montgomery Asberg Depression Rating Scale (subscales from the Comprehensive Psychopathological Rating Scale) were used to measure changes in anxiety and depression. Structured Clinical Interviews Diagnosis-I and -II were performed at one time point. Anxiety and depression were measured at inclusion and after six months. Urine samples were collected for an analysis of AAS and drugs of abuse. Results: All participants reported some adverse effects that they associated with AAS use. In total, 56% and 52% of the cohort fulfilled the criteria for Structured Clinical Interviews Diagnosis-I and -II diagnoses, respectively. A significantly increased risk of reporting aggressive feelings/behaviors (Odds Ratio (OR) = 4.9; Confidence Interval (CI) 0.99-25, p = 0.04), suicidal thoughts/attempts (OR = 4.6, CI 95; 0.99-21, p = 0.04) and criminality (OR = 6.5, CI 1-39, p = 0.03) was found among individuals with AAS use fulfilling the criteria for personality disorders compared with those without such AAS use. The Brief Scale for Anxiety score decreased from the median of 15 at inclusion to 10 at the follow-up visit six months later (p = 0.01, n = 19). Conclusions: Our findings indicate that among individuals with AAS use, those with a personality disorder report more aggressive behaviors, suicidal thoughts/suicidal attempts, and criminality than those without a personality disorder.
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Affiliation(s)
- Annica Börjesson
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden; (A.H.); (A.R.); (M.-L.D.); (N.G.); (L.E.)
- Correspondence: ; Tel.: +46-8-585-811-92
| | - Christian Möller
- Centre for Ethics, Law and Mental Health, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden;
- Psychiatric Clinic, Sahlgrenska University Hospital, 413 45 Gothenburg, Sweden
- Department of Forensic Psychiatry, National Board of Forensic Medicine, 422 49 Gothenburg, Sweden
| | - Anders Hagelin
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden; (A.H.); (A.R.); (M.-L.D.); (N.G.); (L.E.)
| | - Veronica Vicente
- The Ambulance Medical Service in Stockholm (AISAB), Academic EMS, 121 63 Stockholm, Sweden;
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Anders Rane
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden; (A.H.); (A.R.); (M.-L.D.); (N.G.); (L.E.)
| | - Mikael Lehtihet
- Department of Medicine, Karolinska Institutet, S:t Görans Hospital, 122 19 Stockholm, Sweden;
| | - Marja-Liisa Dahl
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden; (A.H.); (A.R.); (M.-L.D.); (N.G.); (L.E.)
| | - Nina Gårevik
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden; (A.H.); (A.R.); (M.-L.D.); (N.G.); (L.E.)
- Department of Neurobiology Care Sciences and Society, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Lena Ekström
- Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden; (A.H.); (A.R.); (M.-L.D.); (N.G.); (L.E.)
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Santos HO, Howell S, Nichols K, Teixeira FJ. Reviewing the Evidence on Vitamin D Supplementation in the Management of Testosterone Status and Its Effects on Male Reproductive System (Testis and Prostate): Mechanistically Dazzling but Clinically Disappointing. Clin Ther 2020; 42:e101-e114. [PMID: 32446600 DOI: 10.1016/j.clinthera.2020.03.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 03/11/2020] [Accepted: 03/24/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE Vitamin D supplementation has been suggested to increase testosterone levels. The primary purpose of this literature review was to critically assess the physiologic effects of vitamin D supplementation on serum testosterone concentrations in men and the secondary purpose was to evaluate the feasibility of vitamin D status toward urologic health (testis and prostate). METHODS A structured literature review was performed using the Cochrane, MEDLINE, and Web of Science databases. The literature search encompassed studies published between 2011 and 2019. FINDINGS Observational studies suggest an association between higher testosterone and serum vitamin D concentrations. Conversely, most randomized clinical trials that investigated the effect of vitamin D administration on testosterone levels have failed to detect any significant effect. Physiologically, vitamin D is engaging in spermatogenesis, but it remains unclear whether vitamin D is a determinant of fertility. With prostate support, the management of vitamin D status has been associated with a decreased prevalence of benign prostatic hyperplasia and symptoms (ie, lower urinary tract symptoms). However, with prostate cancer, there is a paucity of evidence pertaining to vitamin D supplementation. IMPLICATIONS Mechanistically, vitamin D exhibits essential roles in the testis and prostate; otherwise, there is no apparent evidence to support the use of vitamin D supplementation to increase testosterone levels and to improve clinical outcomes related to the male reproductive system.
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Affiliation(s)
- Heitor O Santos
- School of Medicine, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil.
| | - Scott Howell
- Center for Research, Tier 1 Health and Wellness, Chattanooga, TN, USA
| | - Keith Nichols
- Center for Research, Tier 1 Health and Wellness, Chattanooga, TN, USA
| | - Filipe J Teixeira
- Research Center for Biosciences & Health Technologies, Universidade Lusófona de Humanidades e Tecnologias, Lisboa, Portugal
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