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[Clinicopathological significance and prognostic value of serum 25-hydroxyvitamin D level in children with IgA vasculitis nephritis].
Zhongguo Dang Dai Er Ke Za Zhi
January 2025
Department of Pediatrics, Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China.
Objectives: To study the significance of serum 25-hydroxyvitamin D [25-(OH)D] level in the clinicopathological characteristics and prognosis of children with immunoglobulin A vasculitis nephritis (IgAVN).
Methods: A retrospective analysis was conducted on the clinical data of children with IgAVN who underwent renal biopsy at Suzhou Hospital Affiliated to Anhui Medical University and Jinling Hospital of the Medical School of Nanjing University from June 2015 to June 2020. Based on serum 25-(OH)D level, the patients were divided into a normal group and a lower group.
Cross-sectional and longitudinal associations between serum vitamin D and continuous metabolic syndrome score among children and adolescents: roles of levels of inflammation in peripheral blood.
Nutr Metab (Lond)
January 2025
Shenzhen Center for Chronic Disease Control, No. 2021 Buxin Road, Luohu District, Shenzhen, 518020, China.
Background: Serum vitamin D deficiency is intricately linked to metabolic disorders, however, evidence on its association with continuous metabolic risk in children and adolescents remains insufficient. This study aims to elucidate the relationship between serum vitamin D levels and continuous metabolic risk.
Methods: The cross-sectional analysis involved 4490 participants aged 6 ~ 18, and the longitudinal investigation included 1398 individuals aged 6 ~ 12 years.
Association between serum 25-hydroxyvitamin D concentrations and urinary vitamin D metabolite concentrations measured by the NLucVDR assay.
J Steroid Biochem Mol Biol
January 2025
Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan. Electronic address:
It is well known that vitamin D is essential for human health; however, many people suffer from vitamin D deficiency or insufficiency worldwide, including in Japan. Serum 25-hydroxyvitamin D (25(OH)D) concentrations are typically measured to evaluate vitamin D status. In a previous study, we demonstrated that the concentrations of vitamin D metabolites in urine, measured using the NLucVDR assay system composed of a split-type nanoluciferase and the ligand-binding domain (LBD) of the human vitamin D receptor, correlated with serum 25(OH)D concentrations measured using liquid chromatography-mass spectrometry (LC-MS) or electrochemiluminescence immunoassays (ECLIAs).
View Article and Find Full Text PDFA comparative study on the antioxidant and antiglycation properties of different vitamin D forms.
Eur J Med Chem
January 2025
Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, 15-233, Bialystok, Poland. Electronic address:
Vitamin D plays multiple roles in the body. Recently, there has been an increase in its popularity and growing interest in vitamin D supplementation. However, the mechanisms of vitamin D action have not yet been sufficiently explored.
View Article and Find Full Text PDFCausal association between serum 25-hydroxyvitamin D levels and epilepsy: A two-sample bidirectional mendelian randomization study.
Epilepsy Behav
January 2025
Department of Pharmacy, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, China. Electronic address:
Objective: The study aimed to investigate the causal relationship between serum 25-hydroxyvitamin D (25(OH)D) levels and epilepsy using Mendelian randomization (MR), thereby addressing confounding and reverse causality issues in observational studies.
Methods: We employed a two-sample bidirectional MR design utilizing summary-level data from the IEU OpenGWAS project. Serum 25(OH)D levels were analyzed using the publicly available dataset ebi-a-GCST90000618, which included 496,946 European samples and 68,960,93 SNPs.
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