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Abiri B, Valizadeh M, Ramezani Ahmadi A, Amini S, Nikoohemmat M, Abbaspour F, Hosseinpanah F. Association of vitamin D levels with anthropometric and adiposity indicators across all age groups: a systematic review of epidemiologic studies. Endocr Connect 2024; 13:e230394. [PMID: 38032745 PMCID: PMC10831555 DOI: 10.1530/ec-23-0394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/30/2023] [Indexed: 12/02/2023]
Abstract
Objectives It has not been established whether vitamin D deficiency is associated with anthropometric state; therefore, this systematic review examined the relationship between serum vitamin D levels with anthropometrics and adiposity across different ages. Methods Studies that examined vitamin D deficiency with adiposity measures in different age groups were searched in the PubMed, Scopus, Embase, and Google Scholar databases until November 2023. Two investigators independently reviewed titles and abstracts, examined full-text articles, extracted data, and rated the quality in accordance with the Newcastle-Ottawa criteria. Results Seventy-two studies, with a total of 59,430 subjects, were included. Of these studies, 27 cross-sectional studies and one longitudinal study (with 25,615 participants) evaluated the possible link between 25(OH)D serum concentrations and anthropometric/adiposity indices in the pediatric population. Forty-two cross-sectional studies and two cohort investigations (with 33,815 participants) investigated the relationship between serum 25(OH)D levels and adiposity measures in adults and/or the elderly population. There is evidence supporting links between vitamin D deficiency and obesity, and revealed an inverse association between vitamin D and adiposity indicators, specifically in female subjects. However, the effects of several confounding factors should also be considered. Conclusion Most published studies, most of which were cross-sectional, reported a negative association between vitamin D and female adiposity indicators. Therefore, serum vitamin D levels should be monitored in overweight/obese individuals.
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Affiliation(s)
- Behnaz Abiri
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Valizadeh
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Shirin Amini
- Department of Nutrition, Shoushtar Faculty of Medical Sciences, Shoushtar, Iran
| | - Mohammad Nikoohemmat
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Faeze Abbaspour
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farhad Hosseinpanah
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Kumar A, Pramanik J, Goyal N, Chauhan D, Sivamaruthi BS, Prajapati BG, Chaiyasut C. Gut Microbiota in Anxiety and Depression: Unveiling the Relationships and Management Options. Pharmaceuticals (Basel) 2023; 16:ph16040565. [PMID: 37111321 PMCID: PMC10146621 DOI: 10.3390/ph16040565] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
The gut microbiota is critical for maintaining human health and the immunological system. Several neuroscientific studies have shown the significance of microbiota in developing brain systems. The gut microbiota and the brain are interconnected in a bidirectional relationship, as research on the microbiome-gut-brain axis shows. Significant evidence links anxiety and depression disorders to the community of microbes that live in the gastrointestinal system. Modified diet, fish and omega-3 fatty acid intake, macro- and micro-nutrient intake, prebiotics, probiotics, synbiotics, postbiotics, fecal microbiota transplantation, and 5-HTP regulation may all be utilized to alter the gut microbiota as a treatment approach. There are few preclinical and clinical research studies on the effectiveness and reliability of various therapeutic approaches for depression and anxiety. This article highlights relevant research on the association of gut microbiota with depression and anxiety and the different therapeutic possibilities of gut microbiota modification.
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Affiliation(s)
- Akash Kumar
- Department of Food Technology, SRM University, Sonipat 131029, India
| | - Jhilam Pramanik
- Department of Food Technology, ITM University, Gwalior 474001, India
| | - Nandani Goyal
- Department of Skill Agriculture, Shri Vishwakarma Skill University, Gurugram 122003, India
| | - Dimple Chauhan
- School of Bio-Engineering and Food Technology, Shoolini University, Solan 173229, India
| | - Bhagavathi Sundaram Sivamaruthi
- Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Bhupendra G Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Mehsana 384012, India
| | - Chaiyavat Chaiyasut
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
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van der Pligt PF, Ellery SJ, de Guingand DL, Abbott G, Della Gatta PA, Daly RM. Maternal plasma vitamin D levels across pregnancy are not associated with neonatal birthweight: findings from an Australian cohort study of low-risk pregnant women. BMC Pregnancy Childbirth 2023; 23:67. [PMID: 36703113 PMCID: PMC9878969 DOI: 10.1186/s12884-022-05336-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 12/26/2022] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND In utero environments can be highly influential in contributing to the development of offspring obesity. Specifically, vitamin D deficiency during pregnancy is associated with adverse maternal and child health outcomes, however its relationship with offspring obesity remains unclear. We assessed maternal vitamin D status across pregnancy, change in plasma vitamin D concentrations and associations with neonatal birthweight, macrosomia and large for gestational age. METHODS Women (n = 221) aged 18-40 years with singleton (low-risk) pregnancies, attending antenatal clinics at a tertiary-level maternity hospital were recruited at 10-20 weeks gestation. Medical history, maternal weight and blood samples at three antenatal clinic visits were assessed; early (15 ± 3 weeks), mid (27 ± 2 weeks) and late (36 ± 1 weeks) gestation. Maternal 25(OH)D was analysed from stored plasma samples via liquid chromatography-tandem mass spectrometry (LC/MS/MS). Neonatal growth parameters were collected at birth. Unadjusted and adjusted linear and logistic regression assessed associations of maternal vitamin D with birthweight, macrosomia and large for gestational age. RESULTS Mean plasma 25(OH)D increased from early (83.8 ± 22.6 nmol/L) to mid (96.5 ± 28.9 nmol/L) and late (100.8 ± 30.8 nmol/L) gestation. Overall 98% of women were taking vitamin D-containing supplements throughout their pregnancy. Prevalence of vitamin D deficiency (25(OH)D < 50 nmol/L) was 6.5%, 6.3% and 6.8% at early, mid and late pregnancy respectively. No statistically significant association was found between 25(OH)D or vitamin D deficiency at any timepoint with neonatal birthweight, macrosomia or large for gestational age. CONCLUSIONS Prevalence of vitamin D deficiency was low in this cohort of pregnant women and likely related to the high proportion of women taking vitamin D supplements during pregnancy. Maternal 25(OH)D did not impact offspring birth weight or birth size. Future studies in high-risk pregnant populations are needed to further assess maternal vitamin D status and factors in utero which promote early life obesity.
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Affiliation(s)
- Paige F. van der Pligt
- grid.1021.20000 0001 0526 7079Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia ,Department of Nutrition, Western Health, Footscray, VIC Australia
| | - Stacey J. Ellery
- grid.452824.dThe Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC Australia ,grid.1002.30000 0004 1936 7857Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC Australia
| | - Deborah L. de Guingand
- grid.452824.dThe Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC Australia ,grid.1002.30000 0004 1936 7857Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC Australia
| | - Gavin Abbott
- grid.1021.20000 0001 0526 7079Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Paul A. Della Gatta
- grid.1021.20000 0001 0526 7079Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Robin M. Daly
- grid.1021.20000 0001 0526 7079Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
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da Cruz SP, Cruz S, Pereira S, Saboya C, Lack Veiga JC, Ramalho A. Adequacy and Vitamin D in the Preoperative Period of Roux-en-Y Gastric Bypass, Bariatric Surgery, Can Protect Metabolic Health in Metabolically Healthy and Unhealthy Individuals. Nutrients 2022; 14:402. [PMID: 35276762 PMCID: PMC8839357 DOI: 10.3390/nu14030402] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/10/2022] [Accepted: 01/13/2022] [Indexed: 12/14/2022] Open
Abstract
Evaluating the influence of vitamin D concentrations together with preoperative metabolic phenotypes on remission of chronic noncommunicable diseases (CNCDs) after 6 months of Roux-en-Y gastric bypass (RYGB). Cross-sectional analytical study comprising 30 adult individuals who were assessed preoperatively (T0) and 6 months (T1) after undergoing RYGB. Participants were distributed preoperatively into metabolically healthy obese (MHO) and metabolically unhealthy obese (MUHO) individuals according to HOMA-IR classification and to the adequacy and inadequacy of vitamin D concentrations in the form of 25(OH)D. All participants were assessed for anthropometric characteristics, biochemical variables, and presence of CNCDs. The statistical program used was the SPSS version 21. In face of vitamin D adequacy and regardless of the metabolic phenotype classification in the preoperative period, the means found for HOMA-IR allowed us to define them as metabolically healthy 6 months after RYGB. Only those with vitamin D inadequacy with the MUHO phenotype showed better results regarding the reduction of glucose that accompanied the shift in serum 25(OH)D concentrations from deficient to insufficient. It is possible that preoperative vitamin D adequacy, even in the presence of an unhealthy phenotype, may contribute to the reduction of dyslipidemia and improvement in cholesterol. It is suggested that preoperative vitamin D adequacy in both phenotypes may have a protective effect on metabolic health.
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Affiliation(s)
- Suelem Pereira da Cruz
- Center for Research on Micronutrients, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro 21941-902, Brazil; (S.C.); (A.R.)
| | - Sabrina Cruz
- Center for Research on Micronutrients, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro 21941-902, Brazil; (S.C.); (A.R.)
| | - Silvia Pereira
- Multidisciplinary Center for Bariatric and Metabolic Surgery, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro 21941-902, Brazil;
| | - Carlos Saboya
- Brazilian Society of Bariatric and Metabolic Surgery, Rio de Janeiro 22280-020, Brazil;
| | | | - Andréa Ramalho
- Center for Research on Micronutrients, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro 21941-902, Brazil; (S.C.); (A.R.)
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Vitamin D Deficiency Is Inversely Associated with Homeostatic Model Assessment of Insulin Resistance. Nutrients 2021; 13:nu13124358. [PMID: 34959910 PMCID: PMC8705502 DOI: 10.3390/nu13124358] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 01/08/2023] Open
Abstract
The study was conducted to comprehensively assess the association of the concentration of vitamin D in the blood and insulin resistance in non-diabetic subjects. The objective was to pool the results from all observational studies from the beginning of 1980 to August 2021. PubMed, Medline and Embase were systematically searched for the observational studies. Filters were used for more focused results. A total of 2248 articles were found after raw search which were narrowed down to 32 articles by the systematic selection of related articles. Homeostatic Model Assessment of Insulin Resistance (HOMAIR) was used as the measure of insulin resistance and correlation coefficient was used as a measure of the relationship between vitamin D levels and the insulin resistance. Risk of bias tables and summary plots were built using Revman software version 5.3 while Comprehensive meta-analysis version 3 was used for the construction of forest plot. The results showed an inverse association between the status of vitamin D and insulin resistance (r = -0.217; 95% CI = -0.161 to -0.272; p = 0.000). A supplement of vitamin D can help reduce the risk of insulin resistance; however further studies, like randomized controlled trials are needed to confirm the results.
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Rafiq S, Jeppesen PB. Insulin Resistance Is Inversely Associated with the Status of Vitamin D in Both Diabetic and Non-Diabetic Populations. Nutrients 2021; 13:1742. [PMID: 34063822 PMCID: PMC8224049 DOI: 10.3390/nu13061742] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/11/2021] [Accepted: 05/17/2021] [Indexed: 02/06/2023] Open
Abstract
Vitamin D has been implicated in the regulation of glucose metabolism and insulin resistance. We designed this study to provide evidence that insulin resistance is dependent on the concentration of vitamin D in the body. Forty observational studies of both type 2 diabetes mellitus patients and healthy subjects were included in this meta-analysis. Related articles were searched from Embase, PubMed, and Medline through January 2021. Filters for search were used to obtain more focused results. We used Comprehensive Meta-Analysis Version 3 for the construction of forest plots. RevMan software version 5.3 was used to build the risk of bias tables and summary plots. The observational studies included in this systematic review and meta-analysis showed an inverse relationship of insulin resistance with the status of vitamin D both in non-diabetic (r = -0.188; 95% CI = -0.141 to -0.234; p = 0.000) and diabetic (r = -0.255; 95% CI = -0.392 to -0.107, p = 0.001) populations. From the meta-analysis we concluded that hypovitaminosis D is related to increased levels of insulin resistance in both type 2 diabetes patients and the healthy population all over the world.
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Affiliation(s)
- Shamaila Rafiq
- Department of Clinical Medicine, Aarhus University, Aarhus N, 8200 Aarhus, Denmark;
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Huta-Osiecka A, Wochna K, Kasprzak Z, Nowak A. Seasonal variation of 25-Hydroxyvitamin D and indices of carbohydrate and lipid metabolism in postmenopausal women. PeerJ 2021; 9:e11341. [PMID: 34035990 PMCID: PMC8126260 DOI: 10.7717/peerj.11341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 04/03/2021] [Indexed: 12/18/2022] Open
Abstract
Background Some studies indicate vitamin D’s significant contribution to metabolic processess. Therefore, the purpose of this study was to evaluate the level of carbohydrate and lipid metabolism indices in relation to seasonal changes in 25-hydroxyvitamin D (25(OH)D) concentration in postmenopausal women. Methods Sixteen postmenopausal women meeting health criteria and not using vitamin D supplementation were included in the study. Seasonal variation of somatic features and the serum concentration of 25(OH)D, glucose, insulin, parathormon, sclerostin and lipid profile were determined on two terms (autumn-winter). Results Comparative analysis of the variables between the study terms revealed a marked decrease in the concentration of 25(OH)D (p ≤ 0.0001), insulin (p < 0.05), insulin resistance index (HOMA-IR), (p < 0.05). The significant positive correlations of changes (Δ) between autumn and winter in 25(OH)D with body mass (p < 0.05), and fat mass (p ≤ 0.01), measured in the first study term, in the group of women with normal body mass index (BMI), and negative correlation with fat mass (p < 0.05) in women with a BMI value above the reference values, were found. The relationship analysis showed that in women with normal BMI, the decrease in 25(OH)D concentrations was greater when the body fat percentage was higher, whereas in women with a BMI value above the reference values, the higher the fat percentage, the smaller was the decrease in 25(OH)D concentration. Conclusions Seasonal changes in 25(OH)D concentration did not significantly affect the concentration of carbohydrate and lipid metabolism indices. The magnitude of decline in 25(OH)D levels depends on the fat mass. We suppose that environmental or lifestyle-related factors, e.g., nutritional behaviours, may have had more influence on metabolic indices than changes in 25(OH)D.
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Affiliation(s)
- Anna Huta-Osiecka
- Department of Hygiene, Poznań University of Physical Education, Poznań, Poland
| | - Krystian Wochna
- Laboratory of Swimming and Water Lifesaving, Poznań University of Physical Education, Poznań, Poland
| | - Zbigniew Kasprzak
- Department of Hygiene, Poznań University of Physical Education, Poznań, Poland
| | - Alicja Nowak
- Department of Hygiene, Poznań University of Physical Education, Poznań, Poland
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Jonasson TH, Costa TMDRL, Petterle RR, Moreira CA, Borba VZC. Body composition in nonobese individuals according to vitamin D level. PLoS One 2020; 15:e0241858. [PMID: 33166333 PMCID: PMC7652291 DOI: 10.1371/journal.pone.0241858] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 10/22/2020] [Indexed: 02/07/2023] Open
Abstract
Obesity is associated with lower 25-hydroxyvitamin D (25OHD) levels, but the association between 25OHD deficiency and specific body composition (BC) patterns remains unclear. The aim of this study was to analyze the correlation between 25OHD levels and BC in a population of healthy, nonobese individuals. Cross-sectional, observational study including a convenience sample of community-dwelling healthy individuals aged ≥18 years who responded to a study advertisement and were randomly selected. The participants filled out a questionnaire and had fasting blood drawn and anthropometric indices taken. Dual-energy x-ray absorptiometry was performed for BC analysis (fat and lean body mass). The subjects were divided according to 25OHD levels into three groups: I (≤20 ng/mL, vitamin D deficient), II (>20 and <30 ng/mL, vitamin D insufficient), and III (≥30 ng/mL, vitamin D sufficient). Of 299 individuals selected, 51 were excluded, yielding a final sample of 248 (128 women) who had serum 25OHD levels measured. Women presented higher 25OHD levels than men (27.8±12.0 ng/mL and 24.8±11.3 ng/mL, respectively; p = 0.03). Including both sexes, Group I had greater body mass index (BMI; 26.6±2.5 kg/m2) and waist circumference (WC; 91.8.8±9.1 cm) compared with the other groups. Group I also had 75.7% and 65.3% of abnormal BMI and WC values, respectively, (p<0.05 for both) and a higher percentage of trunk and android fat confirmed by multivariate analysis. No differences in BC were observed in individuals with insufficient versus sufficient 25OHD levels. Individuals with lower 25OHD levels had increased fat in the android region and trunk. This study confirms the association of lower 25OHD levels with greater BMI and WC and increased deposition of fat in body compartments, which, even in nonobese individuals, are commonly associated with increased metabolic risk.
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Affiliation(s)
- Thaísa Hoffmann Jonasson
- Serviço de Endocrinologia e Metabologia, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Paraná, Brazil
| | | | | | - Carolina Aguiar Moreira
- Serviço de Endocrinologia e Metabologia, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Paraná, Brazil
- Universidade Federal do Paraná, Setor de Ciências da Saúde, Curitiba, Paraná, Brazil
| | - Victória Zeghbi Cochenski Borba
- Serviço de Endocrinologia e Metabologia, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Paraná, Brazil
- Universidade Federal do Paraná, Setor de Ciências da Saúde, Curitiba, Paraná, Brazil
- * E-mail:
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Pilone V, Tramontano S, Cutolo C, Marchese F, Pagano AM, Di Spirito F, Schiavo L. Clinical factors correlated with vitamin D deficiency in patients with obesity scheduled for bariatric surgery: A single center experience. INT J VITAM NUTR RES 2020; 90:346-352. [PMID: 32450764 DOI: 10.1024/0300-9831/a000662] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We aim to assess the prevalence of vitamin D deficiency (VDD) in patients scheduled for bariatric surgery (BS), and to identify factors that might be associated with VDD. We conducted a cross-sectional observational study involving all consecutive patients scheduled for BS from 2017 to 2019. The exclusion criteria were missing data for vitamin D levels, intake of vitamin D supplements in the 3 months prior to serum vitamin D determination, and renal insufficiency. A total of 206 patients (mean age and body mass index [BMI] of 34.9 ± 10.7 years, and 44.3 ± 6.99 kg/m2, respectively) met the inclusion criteria and were enrolled for data analysis. VDD (<19.9 ng/mL), severe VDD (<10 ng/mL), and vitamin D insufficiency (20-29.9 ng/mL) were present in 68.8 %, 12.5 %, and 31.2 % of patients, respectively. A significant inverse correlation was found between vitamin D levels and initial BMI, parathyroid hormone, and homeostatic model assessment of insulin resistance (r = -0.280, p < 0.05; r = -0.407, p = 0.038; r = -0.445, p = 0.005), respectively. VDD was significantly more prevalent in patients with higher BMI [-0.413 ± 0.12, CI95 % (-0.659; -0.167), p = 0.006], whereas no significant association between hypertension [-1.005 ± 1.65, CI95 % (-4.338; 2.326), p = 0.001], and diabetes type 2 (T2D) [-0.44 ± 2.20, CI95 % (-4.876; 3.986), p = 0.841] was found. We observed significant association between female sex and levels of vitamin D [6.69 ± 2.31, CI95 % (2.06; 11.33), p = 0.006]. The present study shows that in patients scheduled for BS, VDD deficiency is common and was associated with higher BMI, and female sex.
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Affiliation(s)
- Vincenzo Pilone
- Department of Medicine, Surgery, and Dentistry, "Scuola Medica Salernitana", University of Salerno, Italy.,Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, Mercato San Severino, Salerno, Italy
| | - Salvatore Tramontano
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, Mercato San Severino, Salerno, Italy
| | - Carmen Cutolo
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, Mercato San Severino, Salerno, Italy
| | - Federica Marchese
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, Mercato San Severino, Salerno, Italy
| | | | - Federica Di Spirito
- Department of Medicine, Surgery, and Dentistry, "Scuola Medica Salernitana", University of Salerno, Italy
| | - Luigi Schiavo
- Department of Medicine, Surgery, and Dentistry, "Scuola Medica Salernitana", University of Salerno, Italy.,Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, Mercato San Severino, Salerno, Italy
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Pelczyńska M, Grzelak T, Sperling M, Kręgielska-Narożna M, Bogdański P, Czyżewska K. Evaluation of Vitamin D Fractions in Obese Hypertensive Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17051660. [PMID: 32143350 PMCID: PMC7084800 DOI: 10.3390/ijerph17051660] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/01/2020] [Accepted: 03/02/2020] [Indexed: 12/16/2022]
Abstract
Vitamin D fractions can be involved in the pathogenesis of metabolic disorders, but their concentrations are rarely determined. The aim of this study was to evaluate the concentration of vitamin D fractions in obese hypertensive patients and to determine its associations with anthropometric parameters, glucose levels, and lipid profiles. A total of 85 obese hypertensive patients (OBHT) and 40 nonobese nonhypertensive subjects (NOBNHT) underwent biochemical measurements of lipid profiles, glycemia, 25-hydroxyvitamin D (25(OH)D), free vitamin D (free25(OH)D), vitamin D binding protein, albumin levels. Moreover, free25(OH)D and bioavailable25(OH)D (bio25(OH)D) concentrations were calculated. Blood pressure and anthropometric measurements were performed. Differences between groups (p < 0.001) were found for 25(OH)D (OBHT 40.25 ± 18.02 vs. NOBNHT 64.10 ± 22.29 nmol/L), free25(OH)D (9.77 (7.46; 11.49) vs. 13.80 (10.34; 16.82) pmol/L), bioavailable 25(OH)D (3.7 (2.8; 4.4) vs. 5.4 (4.2; 6.7) nmol/L), and calculated free25(OH)D (7.82 (5.54; 11.64) vs. 10.46(8.06;16.28) pmol/L, p = 0.002). The OBHT patients showed no relationship between vitamin D fractions concentration and glucose or lipids level, although it was associated with anthropometric parameters. In the NOBNHT group, vitamin D fractions correlated positively with HDL cholesterol and negatively with triglyceridemia and hip circumference. Vitamin D fractions were decreased in obese hypertensive subjects, and were associated with anthropometric parameters, but not with glucose level or lipid profiles; they thus cannot be considered as a predictive marker of metabolic disorders in this group of patients.
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Affiliation(s)
- Marta Pelczyńska
- Department of Treatment of Obesity, Metabolic Disorders and Clinical Dietetics, Poznan University of Medical Sciences, Szamarzewskiego 84 St., 60-569 Poznan, Poland
- Correspondence:
| | - Teresa Grzelak
- Department and Division of Physiology, Poznan University of Medical Sciences, Swiecickiego 6 St., 60-781 Poznan, Poland
| | - Marcelina Sperling
- Division of Biology of Civilization-Linked Diseases, Poznan University of Medical Sciences, Swiecickiego 6 St., 60-781 Poznan, Poland
| | - Matylda Kręgielska-Narożna
- Department of Treatment of Obesity, Metabolic Disorders and Clinical Dietetics, Poznan University of Medical Sciences, Szamarzewskiego 84 St., 60-569 Poznan, Poland
| | - Paweł Bogdański
- Department of Treatment of Obesity, Metabolic Disorders and Clinical Dietetics, Poznan University of Medical Sciences, Szamarzewskiego 84 St., 60-569 Poznan, Poland
| | - Krystyna Czyżewska
- Stanisław Staszic University of Applied Sciences in Pila, Podchorazych 10 St., 64-920 Pila, Poland
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Cordeiro A, Campos B, Pereira SE, Saboya CJ, Ramalho A. Inadequacy of Vitamin D Nutritional Status in Individuals with Metabolically Unhealthy Obesity Phenotype: The Relevance of Insulin Resistance. Diabetes Metab Syndr Obes 2020; 13:4131-4139. [PMID: 33177853 PMCID: PMC7652567 DOI: 10.2147/dmso.s256132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 07/22/2020] [Indexed: 12/13/2022] Open
Abstract
PURPOSE The aim was to evaluate 25(OH)D serum concentrations in metabolically healthy obesity (MHO) and metabolically unhealthy obesity (MUHO) and its relation with biochemical and clinical parameters in both groups according to homeostatic model assessment-insulin resistance (HOMA-IR) definition of the obesity phenotypes. PATIENTS AND METHODS Descriptive cross-sectional study was conducted with individuals of both genders. Anthropometric data [waist circumference, body mass index (BMI)] and metabolic parameters: blood glucose, glycated hemoglobin, insulin, lipid profile, calcium, phosphorus, parathyroid hormone (PTH) and high-sensitivity c-reactive protein (hs-CRP) and (25(OH)D) were obtained. The cutoff points for vitamin D deficiency and insufficiency were ≤20 and 21-29 ng/mL, respectively. Individuals were classified as MUHO according to HOMA-IR≥2.5. RESULTS This study comprised 232 individuals with obesity (BMI≥35 kg/m2; 42.6±4.7 kg/m2). The MUHO phenotype was observed in 76.7% of the population. The mean values of glucose (P<0.001), insulin (P<0.001), HOMA-IR (P<0.001), and triglycerides (P=0.049) were significantly higher in the MUHO than in the MHO phenotype group. The mean value of 25(OH)D showed a significant difference between the MHO and MUHO phenotype groups (P=0.011). Additionally, and in line, lower mean 25(OH)D values were found in the MUHO vs the MHO phenotype group in the deficiency (14.5±3.6 ng/mL/17.1±2.7 ng/mL, P=0.004) and insufficiency (24.5±2.9 ng/mL/25.7±2.6 ng/mL, P=0.077) 25(OH)D groups. An increase of 1 ng/mL of vitamin D increased in 1.051 (95% CI= 1.011-1.093, P=0.012) the odds of the healthy phenotype. CONCLUSION The highest prevalence of inadequacy of serum concentrations of 25(OH)D and greater severity of this deficiency in individuals with MUHO phenotype were observed. Low serum concentrations of this vitamin were associated, mainly, with insulin resistance. Monitoring the nutritional status of vitamin D in individuals with obesity that present with MUHO phenotype may contribute to minimize the occurrence and aggravation of diseases associated with obesity.
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Affiliation(s)
- A Cordeiro
- Department of Social Applied Nutrition, Micronutrients Research Center (NPqM), Institute of Nutrition, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- Department of Biomedicine, Unit of Biochemistry, Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal
- Correspondence: A Cordeiro Al. Prof. Hernâni Monteiro, Porto4200 - 319, PortugalTel +351-966669689Fax +351 220 426 937 Email
| | - B Campos
- Multidisciplinary Center of Bariatric and Metabolic Surgery Carlos Saboya, Rio de Janeiro, Brazil
| | - S E Pereira
- Department of Social Applied Nutrition, Micronutrients Research Center (NPqM), Institute of Nutrition, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - C J Saboya
- Multidisciplinary Center of Bariatric and Metabolic Surgery Carlos Saboya, Rio de Janeiro, Brazil
| | - A Ramalho
- Department of Social Applied Nutrition, Micronutrients Research Center (NPqM), Institute of Nutrition, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
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Larson-Meyer DE, Douglas CS, Thomas JJ, Johnson EC, Barcal JN, Heller JE, Hollis BW, Halliday TM. Validation of a Vitamin D Specific Questionnaire to Determine Vitamin D Status in Athletes. Nutrients 2019; 11:nu11112732. [PMID: 31717985 PMCID: PMC6893639 DOI: 10.3390/nu11112732] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 12/13/2022] Open
Abstract
The study objective was to validate a food frequency and lifestyle questionnaire (FFLQ) to assess vitamin D intake and lifestyle factors affecting status. Methods: Data collected previously during the fall (n = 86), winter (n = 49), and spring (n = 67) in collegiate-athletes (Study 1) and in active adults (n = 123) (Study 2) were utilized. Study 1: Vitamin D intake and ultraviolet B exposure were estimated using the FFLQ and compared to serum 25(OH)D concentrations via simple correlation and linear regression modeling. Study 2: Vitamin D intake from food was estimated using FFLQ and compared to vitamin D intake reported in 7-Day food diaries via paired t-test and Bland–Altman analysis. Results: Study 1: Serum 25(OH)D was not associated with vitamin D intake from food, food plus supplements, or sun exposure, but was associated with tanning bed use (r = 0.39) in spring, supplement use in fall (r = 0.28), and BMI (body mass index) (r = −0.32 to −0.47) across all seasons. Serum 25(OH)D concentrations were explained by BMI, tanning bed use, and sun exposure in fall, (R = 0.42), BMI in winter (R = 0.32), and BMI and tanning bed use in spring (R = 0.52). Study 2: Estimated Vitamin D intake from food was 186.4 ± 125.7 via FFLQ and 148.5 ± 228.2 IU/day via food diary. There was no association between intake estimated by the two methodologies (r = 0.12, p < 0.05). Conclusions: FFLQ-estimated vitamin D intake was not associated with serum 25(OH)D concentration or food-record-estimated vitamin D intake. Results highlight the difficulty of designing/utilizing intake methodologies for vitamin D, as its status is influenced by body size and both endogenous and exogenous (dietary) sources.
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Affiliation(s)
- D. Enette Larson-Meyer
- Department of Family and Consumer Sciences, University of Wyoming, Laramie, WY 82071, USA;
- Division of Kinesiology & Health, University of Wyoming, Laramie, WY 82017, USA;
- Correspondence: ; Tel.: +1-307-766-4378; Fax: +1-307-766-5686
| | - Corey S. Douglas
- Department of Family and Consumer Sciences, University of Wyoming, Laramie, WY 82071, USA;
- Lake Erie College of Osteopathic Medicine, Erie, PA 16509, USA
| | - Joi J. Thomas
- University of Minnesota Athletics, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Evan C. Johnson
- Division of Kinesiology & Health, University of Wyoming, Laramie, WY 82017, USA;
| | | | - Jenna E. Heller
- Wellness Department, Arizona State University, Tempe, AZ 85287, USA;
| | - Bruce W. Hollis
- Dr Bruce Hollis’ Laboratory, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - Tanya M. Halliday
- Department of Health, Kinesiology, and Recreation, University of Utah, Salt Lake City, UT 84112, USA;
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Contreras-Manzano A, Villalpando S, García-Díaz C, Flores-Aldana M. Cardiovascular Risk Factors and Their Association with Vitamin D Deficiency in Mexican Women of Reproductive Age. Nutrients 2019; 11:nu11061211. [PMID: 31141980 PMCID: PMC6627884 DOI: 10.3390/nu11061211] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/04/2019] [Accepted: 05/08/2019] [Indexed: 02/08/2023] Open
Abstract
Based on a nationally representative sample of young Mexican women aged 20 to 49 years (n = 3260), we sought to explore whether cardiovascular risk factors and acute myocardial infarction (AMI) were associated with vitamin D deficiency (VDD, defined as 25-OH-D <50 nmol/L). To this end, we obtained sociodemographic, serum and anthropometric data from the 2012 National Health and Nutrition Survey (ENSANUT 2012). Analyses were developed through logistic regression models adjusted for potential confounders. The prevalence of VDD was significantly higher in obese women (42.5%, 95% CI; 37.3–47.9) compared to women with a normal body mass index (29.9%, 95% CI; 23.5–37.1, p = 0.05), in those with high total cholesterol (TC) (45.6% 95% CI; 39.4–51.9) compared to those with normal TC levels (33.9%, 95% CI 30–38.1, p = 0.03), and in those with insulin resistance (IR) (44%, 95% CI; 36.9–51.7) or type 2 diabetes mellitus (T2DM) (58.6%, 95% CI 46.9–69.4) compared to those with normal glycemia (no insulin resistance: 34.7%, 95% CI; 30.9–38.8, p = 0.04 and no T2DM: 34.9%, 95% CI 31.4–38.6, p < 0.001). Utilizing individual models to estimate cardiovascular risk according to VDD, we found that the odds of being obese (odds ratio, OR: 1.53, 95% CI 1.02–2.32, p = 0.05), or having high TC levels (OR: 1.43, 95% CI; 1.05–2.01, p = 0.03), T2DM (OR: 2.64, 95% CI; 1.65–4.03, p < 0.001), or IR (OR: 1.48, 95% CI 1.04–2.10, p = 0.026) were significantly higher in women with VDD (p < 0.05). Odds were not statistically significant for overweight, high blood pressure, sedentarism, AMI, high serum concentration of triglycerides, homocysteine, or C-reactive protein models. In conclusion, our results indicate that young Mexican women with VDD show a higher prevalence of cardiovascular risk factors.
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Affiliation(s)
| | - Salvador Villalpando
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca 62100, Mexico.
| | - Claudia García-Díaz
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca 62100, Mexico.
| | - Mario Flores-Aldana
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca 62100, Mexico.
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Mohan IK, Khan SA, Jacob R, Baba KS, Hussain T, Alrokayan SA, Naushad SM. Insights into the Association of Vitamin D Deficiency with Parathyroid Hormone Levels with Relevance to Renal Function and Insulin Resistance. CURRENT NUTRITION & FOOD SCIENCE 2019. [DOI: 10.2174/1573401313666170920145038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background: In majority of the studies inverse association between vitamin D and parathyroid
hormone levels is documented.
Objective:
The rationale of the current study was to investigate whether this inverse association is agedependent
and whether it has any role in modulating renal function and insulin resistance.
Methods:
To test this hypothesis, we have carried out a hospital based study enrolling 848 subjects
(558 men and 290 women) with the mean age of 50.9 ± 15.9 y. Chemiluminometric competitive immune
assays were performed using commercial kits to determine 25-OH vitamin D and Parathyroid
Hormone (PTH) levels. Fasting glucose levels and serum creatinine were used to evaluate diabetes
and renal function.
Results:
Vitamin D deficiency was predominant irrespective of age group (p = 0.21) and gender (p =
0.12). An inverse association between vitamin D and PTH was observed (r = -0.24) in middle age subjects
(p = 0.02). The data segregation based on plasma vitamin D levels which were <20 ng/ml, 20.1-
30 ng/ml and >30 ng/ml confirmed the inverse association between vitamin D and PTH levels (ptrend:
0.007). Subjects with low plasma vitamin D and increased PTH exhibited elevated blood urea, serum
creatinine and blood glucose. Subjects with 25-OHD deficiency showed a 3.03-folds (95% CI: 2.26-
4.07) and 2.09-fold (1.41-3.10) increased risk for diabetes and renal disease, respectively.
Conclusion:
Based on the results of the present study, it is suggested that those with vitamin D deficiency
need to be evaluated for possible presence of renal dysfunction, diabetes/insulin resistance in
addition to assessing their PTH status.
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Affiliation(s)
- Iyyapu K. Mohan
- Department of Biochemistry, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad-500082, India
| | - Siraj A. Khan
- Department of Biochemistry, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad-500082, India
| | - Rachel Jacob
- Department of Biochemistry, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad-500082, India
| | - Kompella S.S.S. Baba
- Department of Biochemistry, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad-500082, India
| | - Tajamul Hussain
- Center of Excellence in Biotechnology Research, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Salman A. Alrokayan
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Shaik Mohammad Naushad
- Department of Biochemical Genetics, Sandor Life sciences Pvt Ld, Banjara Hills, Hyderabad-500034, India
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Ma CM, Yin FZ. The relationship between hypertriglyceridemic-waist phenotype and vitamin D status in type 2 diabetes. Diabetes Metab Syndr Obes 2019; 12:537-543. [PMID: 31118717 PMCID: PMC6497916 DOI: 10.2147/dmso.s204062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 03/06/2019] [Indexed: 01/25/2023] Open
Abstract
Background: The aim of the study was to explore the relationship between hypertriglyceridemic-waist (HTW) phenotype and vitamin D status in type 2 diabetes. Methods: A cross-sectional study was conducted in subjects with type 2 diabetes. This study enrolled 338 type 2 diabetic (190 males and 148 females). The HTW phenotype was defined as serum triglyceride concentrations ≥1.7 mmol/L and waist circumference ≥90 cm (male) and 85 cm (female). Multiple logistic regression models were used for modeling relationships between HTW phenotype and vitamin D status. Results: The prevalence of HTW phenotype was 36.4%. The prevalence of HTW phenotype was 10.5%, 27.2%, and 41.6% in type 2 diabetes with vitamin D sufficiency, vitamin D insufficiency, and vitamin D deficiency, respectively. In multiple logistic regression analysis, subjects with vitamin D deficiency were more likely to have HTW phenotype (OR=6.222, 95%CI: 1.307-29.620, P=0.022) compared with subjects with vitamin D sufficiency. Conclusions: There was a significant correlation between HTW phenotype and vitamin D status in type 2 diabetes.
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Affiliation(s)
- Chun-Ming Ma
- Department of Endocrinology, The First Hospital of Qinhuangdao, Qinhuangdao066000, Hebei Province, People’s Republic of China
| | - Fu-Zai Yin
- Department of Endocrinology, The First Hospital of Qinhuangdao, Qinhuangdao066000, Hebei Province, People’s Republic of China
- Correspondence: Fu-Zai YinDepartment of Endocrinology, The First Hospital of Qinhuangdao, No. 258 Wenhua Road, Qinhuangdao066000, Hebei Province, People’s Republic of ChinaTel +86 335 590 8368Fax +86 335 303 2042Email
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16
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Association between 25-Hydroxyvitamin D Status and Components of Body Composition and Glucose Metabolism in Older Men and Women. Nutrients 2018; 10:nu10121826. [PMID: 30477276 PMCID: PMC6315833 DOI: 10.3390/nu10121826] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/12/2018] [Accepted: 11/21/2018] [Indexed: 01/06/2023] Open
Abstract
Obesity and sarcopenia are major causes of morbidity and mortality among seniors. Vitamin D deficiency is very common especially among seniors and has been associated with both muscle health and obesity. This study investigated if 25-hydroxyvitamin D (25(OH)D) status is associated with body composition and insulin resistance using baseline data of a completed RCT among relatively healthy community-dwelling seniors (271 seniors age 60+ years undergoing elective surgery for unilateral total knee replacement due to osteoarthritis). Cross-sectional analysis compared appendicular lean mass index (ALMI: lean mass kg/height m2) and fat mass index (FMI: fat mass kg/height m2) assessed by DXA and insulin resistance between quartiles of serum 25(OH)D concentration using multivariable linear regression adjusted for age, sex, smoking status, physical activity, and body mass index (BMI). Participants in the lowest serum 25(OH)D quartile (4.7–17.5 ng/mL) had a higher fat mass (9.3 kg/m2) compared with participants in the third (8.40 kg/m2; Q3 = 26.1–34.8 ng/mL) and highest (8.37 kg/m2; Q4 = 34.9–62.5 ng/mL) quartile (poverall = 0.03). Higher serum 25(OH)D quartile status was associated with higher insulin sensitivity (poverall = 0.03) and better beta cell function (p = 0.004). Prevalence of insulin resistance tended to be higher in the second compared with the highest serum 25(OH)D quartile (14.6% vs. 4.8%, p = 0.06). Our findings suggest that lower serum 25(OH)D status may be associated with greater fat mass and impaired glucose metabolism, independent of BMI and other risk factors for diabetes.
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Rashidbeygi E, Rahimi MH, Mollahosseini M, Yekaninejad MS, Imani H, Maghbooli Z, Mirzaei K. Associations of vitamin D status and metabolic dyslipidemia and hypertriglyceridemic waist phenotype in apparently healthy adults. Diabetes Metab Syndr 2018; 12:985-990. [PMID: 29983347 DOI: 10.1016/j.dsx.2018.06.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 06/06/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Recent studies have shown that Vitamin D deficiency is very common globally. Vitamin D deficiency is associated with lipid metabolism. A relationship between vitamin D levels and waist circumference (WC) has been observed. The purpose of this study is to evaluate the relationship between vitamin D status and metabolic dyslipidemia and the hypertriglyceridemic waist phenotype. METHODS This cross-sectional study was conducted on 265 healthy Tehran adults. Hypertriglyceridemic waist phenotype (HTGWP) was described as serum triacylglycerol concentrations >150 mg/dL and concurrent WC > 88 cm (women) and >102 cm (men). Dyslipidemia was defined as: 1) TG level of >150 mg/dL 2) HDL > 40 mg/dL for men or >50 mg/dL for women, as has been previously described. RESULTS Current study's results demonstrated that HTGWP was significantly associated with weight, age, WC, hip, fat percent, TG, lipid profile, ALT and BMI. We found 77% reduction in the chances of developing metabolic dyslipidemia in suficient satus of vitamin D in compare to deficiency, although the significancy was mariginal, OR: 0.33, 95% CI of 0.09 to 1.21, P = 0.09. However, our results revealed that vitamin D deficiency, compared with normal status, can increase the risk of phenotype 1 (high TG/high WC); OR: 3.86 and 95% CI from 0.86 to 0.99, p for trend = 0.05. CONCLUSIONS Significant associations were found between vitamin D status and HTGWP. In addition, there was a relationship between vitamin D and lipid profiles. There is a direct correlation between TG and waist circumference in insulin resistance in healthy Tehran adults.
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Affiliation(s)
- Elaheh Rashidbeygi
- Department of Community Nutrition, School of Nutrition and Food Science, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mohammad Hossein Rahimi
- Department of Community Nutrition, School of Nutrition and Food Science, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mehdi Mollahosseini
- Department of Community Nutrition, School of Nutrition and Food Science, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mir Saeed Yekaninejad
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Hossein Imani
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Zhila Maghbooli
- MS Research Center, Neurosciences Institute of Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutrition and Food Science, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
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Vitamin D supplementation and body fat mass: a systematic review and meta-analysis. Eur J Clin Nutr 2018; 72:1345-1357. [PMID: 29563638 DOI: 10.1038/s41430-018-0132-z] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 02/01/2018] [Accepted: 02/09/2018] [Indexed: 12/22/2022]
Abstract
Studies have indicated that 25-hydroxyvitamin D (25(OH)D) level in obese is lower than normal weight subjects; however, results of studies that investigated relationship between 25(OH)D and fat mass are inconsistent. In addition, several randomized clinical trials (RCTs) have studied the influence of cholecalciferol supplement on percentage fat mass (PFM) but their results are conflicting. The objectives were to investigate the association between vitamin D3 and PFM pooling together observational studies and RCTs. PubMed/MEDLINE, Cochrane, and Scopus were comprehensively searched from inception to September 2016. The Fisher's Z (SE) of correlation coefficient and mean (SD) of changes in PFM from baseline were used to perform meta-analysis in observational studies and RCTs, respectively. To determine potential source of heterogeneity, subgroup and meta-regression analyses were conducted. Pooling correlation coefficients showed an inverse association between PFM (Fisher's Z: - 0.24, 95% CI: - 0.30 to -0 .18) and FM (Fisher's Z: - 0.32, 95% CI: - 0.43 to - 0.22) and 25(OH)D. Subgroup analysis revealed continent but not gender influence on the effect size. Meta-regression analysis indicated that age, latitude, and longitude are not sources of heterogeneity. Combining trials showed vitamin D3 supplementation had a mild but insignificant effect on PFM (- 0.31%, 95% CI: - 1.07 to 0.44). Subgroup analyses indicated that type of cholecalciferol and treatment regimens explain source of heterogeneity. Age, baseline body mass index, dose of cholecalciferol, length of study, female (%), and baseline 25(OH)D are not source of heterogeneity. In conclusion, our results state that 25(OH)D level is inversely correlated with PFM but cholecalciferol supplementation had no effect on PFM.
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Kimball SM, Mirhosseini N, Rucklidge J. Database Analysis of Depression and Anxiety in a Community Sample-Response to a Micronutrient Intervention. Nutrients 2018; 10:nu10020152. [PMID: 29385721 PMCID: PMC5852728 DOI: 10.3390/nu10020152] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/11/2018] [Accepted: 01/26/2018] [Indexed: 12/13/2022] Open
Abstract
Background: Depression and anxiety are common mental health concerns worldwide. Broad-spectrum multi-vitamin/mineral approaches have been found to alleviate a number of psychiatric symptoms. We investigated the effects of a nutrient intervention program, which includes optimizing vitamin D levels, on depression and anxiety outcomes from community-based program. Methods: We evaluated self-reported health measures of depression and anxiety collected as part of a community-based program focused on optimizing overall health through nutritional supplementation, education and lifestyle advice. Results: Data were collected from 16,020 participants, with measures including European Quality of Life Five Dimensions (EQ-5D) and Targeted Symptoms List (TSL) providing self-reported depression and anxiety. More than 56% of participants were identified as having elevated levels of depression and anxiety at baseline as reported on the EQ-5D. After one year in the program, 49.2% (n = 7878) of participants who reported any level of depression or anxiety at baseline reported improvement at follow-up. Of those who reported severe/extreme depression at baseline (n = 829), 97.2% reported improvement after one year. Regression analyses revealed a significant association of improvement in depression and anxiety with higher vitamin D status (>100 nmol/L) and more strenuous physical activity. Conclusion: Overall, people from the general population who suffer from mood and anxiety problems may benefit from improved nutritional status achieved with nutritional supplements.
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Affiliation(s)
- Samantha M Kimball
- Pure North S'Energy Foundation, Calgary, AB T2R 0C5, Canada.
- Department of Natural and Mathematical Sciences, St. Mary's University, Calgary, AB T2X 1Z4, Canada.
| | | | - Julia Rucklidge
- Department of Psychology, University of Canterbury, Christchurch 8140, New Zealand.
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Rafiq S, Jeppesen PB. Is Hypovitaminosis D Related to Incidence of Type 2 Diabetes and High Fasting Glucose Level in Healthy Subjects: A Systematic Review and Meta-Analysis of Observational Studies. Nutrients 2018; 10:nu10010059. [PMID: 29320437 PMCID: PMC5793287 DOI: 10.3390/nu10010059] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 12/21/2017] [Accepted: 12/28/2017] [Indexed: 12/14/2022] Open
Abstract
There is evidence that vitamin D status is associated with type 2 diabetes. Many observational studies have been performed investigating the relationship of vitamin D status and circulating biomarkers of glycemic regulation. To find out whether this association holds, we conducted a systematic review and meta-analysis of cross sectional and longitudinal studies. We searched Pubmed, Medline and Embase, all through June 2017. The studies were selected to determine the effect of vitamin D on the parameters of glucose metabolism in diabetic and non-diabetic subjects. Correlation coefficients from all studies were pooled in a random effects meta-analysis. The risk of bias was assessed using Grading of Recommendations Assessment, Development and Evaluation (GRADE) system. We found significant inverse relationship of vitamin D status with glycemic level in both diabetic (r = -0.223, 95% CI = -0.184 to -0.261, p = 0.000) and non-diabetic (r = -0.073, 95% CI = -0.052 to -0.093, p = 0.000) subjects. This meta-analysis concludes that hypovitaminosis D is associated with increased risk of hyperglycemia both in diabetic and non-diabetic subjects. A future strategy for the prevention of impaired glycemic regulation could be individualized supplementation of vitamin D.
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Affiliation(s)
- Shamaila Rafiq
- Department of Clinical medicine, Aarhus University Hospital , Aarhus University, Tage-Hansen's Gade 2, 8000 Aarhus C, Denmark.
| | - Per Bendix Jeppesen
- Department of Clinical medicine, Aarhus University Hospital , Aarhus University, Tage-Hansen's Gade 2, 8000 Aarhus C, Denmark.
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Kokturk N, Baha A, Oh YM, Young Ju J, Jones PW. Vitamin D deficiency: What does it mean for chronic obstructive pulmonary disease (COPD)? a compherensive review for pulmonologists. CLINICAL RESPIRATORY JOURNAL 2017; 12:382-397. [PMID: 27925404 DOI: 10.1111/crj.12588] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 11/15/2016] [Accepted: 11/23/2016] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Vitamin D deficiency and Chronic Obstructive Pulmonary Disease (COPD) are both under-recognized health problems, world-wide. Although Vitamin D has long been known for calcemic effects it also has less known noncalcemic effects. Recent data have shown that Vitamin D deficiency is highly prevalent in patients with COPD and correlates with forced expiratory volume in one second (FEV1 ) and FEV1 decline. The objective of this work was to review the current literature on vitamin D deficiency in relation with COPD. DATA SOURCE A literature search, using the words "vitamin D" and "COPD", was undertaken in Pubmed database. RESULTS The noncalcemic effects of vitamin D relating with COPD may be summarised as increasing antimicrobial peptide production, regulation of inflammatory response and airway remodelling. Vitamin D inhibits the production of several proinflammatory cytokines and leads to suppression Th1 and Th17 responses which may be involved in the pathogenesis of COPD. Vitamin D insufficiency may also contribute to chronic respiratory infections and airway colonization so returning vitamin D concentrations to an optimal range in patients with COPD might reduce bacterial load and concomitant exacerbations.Vitamin D is also important for COPD-related comorbodities such as osteoporosis, muscle weakness and cardiovascular diseases. Data about the effect of Vitamin D supplementation on those comorbidities in relation with COPD are been scarce. CONCLUSION Improving the blood level of Vitamin D into the desired range may have a beneficial effect bones and muscles, but more studies are needed to test to test that hypothesis.
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Affiliation(s)
- Nurdan Kokturk
- Department of Pulmonary Medicine, School of Medicine, Gazi University, Ankara, Turkey.,Department of Pulmonary and Critical Care Medicine and Clinical Research Center for Chronic Obstructive Airway Diseases, Asian Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Ayse Baha
- Department of Pulmonary Medicine, School of Medicine, Gazi University, Ankara, Turkey
| | - Yeon-Mok Oh
- Department of Pulmonary and Critical Care Medicine and Clinical Research Center for Chronic Obstructive Airway Diseases, Asian Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jung Young Ju
- Department of Pulmonary and Critical Care Medicine and Clinical Research Center for Chronic Obstructive Airway Diseases, Asian Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Paul W Jones
- Department of Pulmonology, School of Medicine, Clinical Science Center, St George University, London, UK
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Majeed F. Low levels of Vitamin D an emerging risk for cardiovascular diseases: A review. Int J Health Sci (Qassim) 2017; 11:71-76. [PMID: 29114197 PMCID: PMC5669515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Sunlight is regarded among greatest gifts that are presented in abundance to the human beings from the God. Sunlight is also a rich source of Vitamin D (Vit D) that prevents us from numerous ailments such as autoimmune disorders, various types of cancer, and the above all cardiovascular diseases (CVD). Evident from recent research that Vit D deficiency may be the cause for hypertension, cardiac autonomic imbalance, vascular endothelial dysfunction, metabolic syndrome, and even diabetes. Concurrently, many studies present research outcomes that are contradictory to earlier results and also raised a concern not for general public but also among their treating physicians. The sole focus of this review is to systematically present the available research data and critically evaluate the link between Vit D deficiency and development of risk factors for CVD.
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Affiliation(s)
- Farrukh Majeed
- Department of Physiology, College of Medicine, University of Dammam, Dammam, KSA,Address for correspondence: Farrukh Majeed, Department of Physiology, College of Medicine, University of Dammam, Dammam, KSA. Tel.: +96633335132/+966543328989. E-mail:
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23
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Tumwine JK. From sexual orientation to cochlear transplants in a tropical environment. Afr Health Sci 2016. [PMID: 26958043 DOI: 10.4314/ahs.v15i4.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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