Serum vitamin D levels are lower in Australian children and adolescents with type 1 diabetes than in children without diabetes

2012 ◽  
Vol 14 (1) ◽  
pp. 31-41 ◽  
Author(s):  
Ristan M Greer ◽  
Sharon L Portelli ◽  
Betsy Shin-Min Hung ◽  
Geoffrey J Cleghorn ◽  
Sarah K McMahon ◽  
...  
Keyword(s):  
Vitamin D ◽  
Type 1 Diabetes ◽  
Children And Adolescents ◽  
Serum Vitamin ◽  
Serum Vitamin D ◽  
Vitamin D Levels

scholarly journals Vitamin D and Albuminuria in Youth with and without Type 1 Diabetes

2017 ◽  
Vol 87 (6) ◽  
pp. 385-395 ◽  
Author(s):  
Debika Nandi-Munshi ◽  
Maryam Afkarian ◽  
Kathryn B. Whitlock ◽  
Jamie L. Crandell ◽  
Ronny A. Bell ◽  
...  
Keyword(s):  
Vitamin D ◽  
Type 1 Diabetes ◽  
Serum Vitamin ◽  
Nutrition Survey ◽  
Cross Sectional ◽  
Serum Vitamin D ◽  
Urine Albumin ◽  
Health And Nutrition ◽  
Vitamin D Levels

Background/Aims: In adults, lower vitamin D has been associated with increased albuminuria. This association has not been extensively studied in youth with or without type 1 diabetes. Methods: We examined the cross-sectional association between vitamin D and albuminuria (urine albumin to creatinine ratio ≥30 mg/g) in 8,789 participants of the National Health and Nutrition Survey 2001–2006 (NHANES), who were 6–19 years old. Further, we examined the association between vitamin D and albuminuria in 938 participants from the SEARCH Nutritional Ancillary Study (SNAS), a longitudinal cohort of youth with type 1 diabetes. Results: Of the NHANES participants, 5.3, 19.5, and 53.7% had vitamin D levels <30, 50 and 80 nmol/L, respectively. Albuminuria was present in 12.8% and was more common in younger children, females, non-Hispanic whites, non-obese children, and children with hypertension. After adjustments, there was no association between vitamin D and albuminuria. Among the SNAS participants with type 1 diabetes, we also found no association between baseline vitamin D and subsequent albuminuria in unadjusted or adjusted analyses. Conclusion: We did not find an association between serum vitamin D and albuminuria in either non-diabetic youth or those with type 1 diabetes. Further research is needed to more fully understand this relationship.

scholarly journals Vitamin D Pathway Genetic Variation and Type 1 Diabetes: A Case–Control Association Study

Genes ◽  
2020 ◽  
Vol 11 (8) ◽  
pp. 897
Author(s):  
Joana T. Almeida ◽  
Dircea Rodrigues ◽  
Joana Guimarães ◽  
Manuel C. Lemos
Keyword(s):  
Vitamin D ◽  
Type 1 Diabetes ◽  
Serum Vitamin ◽  
Cumulative Effect ◽  
P Value ◽  
Nucleotide Polymorphisms ◽  
Serum Vitamin D ◽  
Vitamin D Levels ◽  
Minor Alleles

Vitamin D has immunomodulatory effects, and its deficiency has been implicated in the autoimmune process of type 1 diabetes. Serum vitamin D levels are influenced by variants in genes involved in the synthesis, transport, hydroxylation and degradation of vitamin D. The aim of this study was to assess if single nucleotide polymorphisms (SNPs) at the DHCR7 (rs12785878), GC (rs2282679), CYP2R1 (rs2060793) and CYP24A1 (rs6013897) loci are associated with type 1 diabetes in the Portuguese population. Genotype and allele frequencies were determined in 350 cases of type 1 diabetes and in 490 controls. The frequency of each SNP alone was not significantly different between patients and controls. However, the combined analysis of the four SNPs showed that minor alleles of these variants clustered more frequently in patients. The proportion of individuals with three or more minor alleles was significantly higher in patients than in controls (56.3% vs. 48.5; odds ratio (OR) 1.37; 95% confidence interval (CI) 1.04–1.81; p-value 0.027). These results suggest a cumulative effect of SNPs at the DHCR7, GC, CYP2R1 and CYP24A1 loci on the susceptibility to type 1 diabetes, due to the roles of these genes in the vitamin D metabolic pathway.

scholarly journals Association of Average Telomere Length with Body-Mass Index and Vitamin D Status in Juvenile Population with Type 1 Diabetes / Povezava Povprečnih Dolžin Telomerov Z Indeksom Telesne Teže in Vitaminom D Pri Mladostnikih S Sladkorno Boleznijo Tipa 1

2015 ◽  
Vol 54 (2) ◽  
pp. 74-78 ◽  
Author(s):  
Tine Tesovnik ◽  
Jernej Kovac ◽  
Tinka Hovnik ◽  
Primoz Kotnik ◽  
Tadej Battelino ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Vitamin D ◽  
Type 1 Diabetes ◽  
Serum Vitamin ◽  
Serum Levels ◽  
Glycated Haemoglobin ◽  
Lower Serum ◽  
Serum Vitamin D ◽  
Vitamin D Levels

Abstract Background. Type 1 diabetes (T1D) is an autoimmune chronic disease where hyperglycemia, increased risk of oxidative stress, advanced glycation end-products and other genetic and environmental factors lead to T1D complications. Shorter telomeres are associated with hyperglycemic levels and lower serum vitamin D levels. Methods. Average telomere length (ATL) in whole blood DNA samples was assessed with qPCR method in 53 Slovenian T1D children/adolescents (median age 8.7 years, 1:1.3 male/female ratio). Body mass index standard deviation score (BMI-SDS), glycated haemoglobin and serum level of vitamin D metabolite (25-(OH)-D3) and the age at the onset of T1D were collected from the available medical documentation. Results. Results indicate shorter ATL in subjects with higher BMI-SDS when compared to those with longer ATL (0.455 ± 0.438, -0.63 ± 0.295; p=0.049). Subjects with higher BMI-SDS had lower serum vitamin D levels when compared to those with lower BMI-SDS (40.66 ± 3.07 vs. 52.86 ± 4.85 nmol/L; p=0.045). Vitamin D serum levels did not significantly differ between subjects with longer/shorter ATL. Conclusion. T1D children/adolescents with shorter ATL tend to have higher BMI-SDS. Lower serum vitamin D levels were associated with higher BMI-SDS, while associations between vitamin D serum levels, age at the onset of T1D, glycated haemoglobin and ATL were not observed. Additional studies with more participants are required to clarify the role of the telomere dynamics in T1D aetiology and development of complications.

Correlation of serum vitamin D level with ketoacidosis in Chinese children with type 1 diabetes mellitus

2021 ◽  
Author(s):  
Jianbo Shu ◽  
Xinhui Wang ◽  
Mingying Zhang ◽  
Xiufang Zhi ◽  
Jun Guan ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Vitamin D ◽  
Type 1 Diabetes ◽  
Type 1 Diabetes Mellitus ◽  
Plasma Glucose ◽  
Serum Vitamin ◽  
Chinese Children ◽  
Serum Vitamin D ◽  
Significant Difference

Abstract Objective: Diabetic ketoacidosis is a common complication in children with type 1 diabetes mellitus. The purposes of the present study were to explore clinical correlates of serum vitamin D level in Chinese children with type 1 diabetes.Methods: A total of 143 inpatients (boys/girls = 60/83) were recruited from Tianjin Children’s Hospital. Their demographic and clinical characteristics were collected. These patients were divided into the non-DKA group(n=43) and DKA group(n=100).Results: The positive ZnT8-ab was significantly higher in DKA patients compared with non-DKA patients (p=0.038). There was a negative correlation between plasma glucose and the concentration of vitamin D(r =−0.188, p=0.024), although there was no significant difference in vitamin D between two groups of T1DM patients with or without DKA (p=0.317). The multiple logistic regression revealed that sex(male) and BMI were independent risk factors to predict the deficiency or insufficiency of Vitamin D in T1DM children. When BMI is lower than 16 kg/m2 according to the cut-off value of the ROC curve, it provides some implications of Vitamin D deficiency or insufficiency in TIDM children ( 95%CI:0.534~0.721, P=0.014). Conclusions: Our results suggested that positive ZnT8-ab was associated with a greater risk of DKA at T1DM onset. Additionally, neither vitamin D levels nor the proportion of patients with different levels of vitamin D differed between the two groups inT1DM children with or without DKA. Furthermore, Vitamin D level was negatively correlated with plasma glucose, lower BMI and male children with T1DM were prone to be deficient or insufficient of Vitamin D.

scholarly journals Hubungan Paparan Sinar Matahari, Status Gizi, dan Asupan Makan terhadap Kadar Vitamin D Anak dan Remaja Penderita Diabetes Mellitus Tipe 1

2021 ◽  
Vol 5 (1) ◽  
pp. 41
Author(s):  
Inggita Kusumastuty ◽  
Dian Handayani ◽  
Harjoedi Adji Tjahjono ◽  
Elsa Permata Sari ◽  
Silvy Kartika Rahayuningtyas ◽  
...  
Keyword(s):  
Vitamin D ◽  
Type 1 Diabetes ◽  
Food Intake ◽  
Nutritional Status ◽  
Children And Adolescents ◽  
Vitamin D Deficiency ◽  
Protein Intake ◽  
Sunlight Exposure ◽  
Vitamin D Levels

Background: Previous research state the correlation between vitamin D deficiency and Type 1 diabetes. The deficiency of Vitamin D is caused by vitamin D intake, sunlight exposure, or nutritional status. Indonesia, as a tropical country, is close to the equator and receives sunlight all year long. Little research has been done on vitamin D levels in children and adolescents with Type 1 Diabetes in Indonesia.Objective: The study aims to determine the relationship among sunlight exposure, nutritional status, food intake, and vitamin D levels in children and adolescents with Type 1 Diabetes.Methods: The study design was cross-sectional with a sample size of 31 children and adolescents aged 5-19 years. Sunlight exposure data were collected using the Sun Exposure Questionnaire form, nutritional status o BMI/age data were using the WHO Anthro, food intake data were using the Semi-Quantitative Food Frequency Questioner, and vitamin D level data were using the ELISA method. Statistical analysis was conducted by using SPSS Version 21 with Pearson and Spearman correlation test.Results: All respondents showed vitamin D deficiency. Most respondents had low sunlight exposure and nutritional status in the normoweight category. The majority of respondents had good energy and protein intake, excess fat, low carbohydrates, and low vitamin D and calcium.Conclusion:There is a positive relationship between sunlight exposure and vitamin D level (p = 0.001, r = 0.627). However, there is no relationship among nutritional status, protein intake, fat, carbohydrates, vitamin D and calcium on the level of vitamin D (p = 0.409; p = 0.240; p = 0.311; p = 0.822; p = 0.231; 0.382).

scholarly journals Association between Serum Vitamin D and Diabetic Retinopathy in Portuguese Patients with Type 1 Diabetes

2020 ◽  
Vol 33 (7-8) ◽  
pp. 459
Author(s):  
Miguel Lopes ◽  
Rita Laiginhas ◽  
Carolina Madeira ◽  
João Sérgio Neves ◽  
Margarida Barbosa ◽  
...  
Keyword(s):  
Vitamin D ◽  
Type 1 Diabetes ◽  
Diabetic Retinopathy ◽  
Metabolic Control ◽  
Serum Vitamin ◽  
Duration Of Diabetes ◽  
Hydroxyvitamin D ◽  
Serum Vitamin D ◽  
25 Hydroxyvitamin D

Introduction: Recently, vitamin D has gained importance as a diabetes risk modifier. Our aim was to assess the association between serum vitamin D levels and the prevalence of diabetic retinopathy in patients with type 1 diabetes.Material and Methods: Retrospective review of a population of patients with type 1 diabetes followed in a Portuguese tertiary center. Patients were included if they had an ophthalmological evaluation and a serum 25-hydroxyvitamin D level determination within the same year. Logistic regression analysis was used to adjust for possible confounders.Results: We included 182 patients (47% male), and 57% (n = 103) had signs of diabetic retinopathy. We found a significant association between lower circulating levels of 25-hydroxyvitamin D levels and a greater prevalence of diabetic retinopathy after adjusting for confounders (duration of diabetes, estimated glomerular filtration rate, age, sex, metabolic control, season, dyslipidemia and hypertension) (OR = 0.94; 95% CI 0.90 - 0.99, p = 0.023). Longer duration of diabetes and worse metabolic control also remained associated with diabetic retinopathy in the multivariate analysis (OR = 1.20; 95% CI 1.13 - 1.27, p < 0.001 and OR = 4.13; 95% CI 1.34 - 12.7, p = 0.013, respectively).Conclusion: Lower levels of vitamin D were associated with an increased prevalence of diabetic retinopathy in patients with type 1 diabetes, after adjusting for possible confounders. Future controlled studies may elucidate the molecular routes for this association as well as the role of supplementation in the prevention of diabetes microvascular complications.

scholarly journals Low Serum Vitamin D Concentrations Are Associated with Insulin Resistance in Mexican Children and Adolescents

Nutrients ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 2109 ◽  
Author(s):  
Edgar Denova-Gutiérrez ◽  
Paloma Muñoz-Aguirre ◽  
Desiree López ◽  
Mario Flores ◽  
Mara Medeiros ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Vitamin D ◽  
Body Composition ◽  
Children And Adolescents ◽  
Pediatric Population ◽  
Adult Population ◽  
Serum Vitamin ◽  
Serum Vitamin D ◽  
Vitamin D Levels ◽  
Low Serum

Previous studies in the Mexican adult population have suggested a relationship between low levels of serum concentrations of serum vitamin D with impaired glucose tolerance, metabolic syndrome, and diabetes, regardless of the presence of obesity. The aim of this study is to investigate the relationship between serum vitamin D levels and the factors linked to insulin resistance. A total of 533 children and adolescents from the “Reference Values of Body Composition in the Pediatric Population of Mexico City” study are assessed. Body composition, dietary, and lifestyle data are obtained. Serum vitamin D, insulin, and glucose are also measured. Associations are tested using multiple linear and logistic regression models. Approximately 90% of children and adolescents in this study have sub-optimal vitamin D levels (<30 ng/mL). An inverse relationship between insulin resistance and serum vitamin D is observed (OR (odds ratios) = 2.9; 95% CI (95% confidence intervals): 1.1, 7.2; p-trend 0.03). Low serum vitamin D levels are associated with insulin resistance in the pediatric population. The present study provides additional evidence for the role of vitamin D in insulin resistance. Our findings suggest the supplementation of vitamin D may be helpful in preventing insulin resistance and subsequent diabetes.

Sign in / Sign up

Export Citation Format

Share Document