Dapeng Wang, Li Zhang, Yanfen Cui, Ruyuan Guo, Fuli Zhang, Junjie Zhang, Xiaotang Yang
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引用次数: 0
Abstract
Background: The relationship between 25-hydroxyvitamin D (25(OH)D) levels and the risk of laryngeal cancer (LC) is unclear. This study aimed to explore the causal association between 25(OH)D levels and LC risk using the two-sample Mendelian randomization (MR) analysis.
Methods: Single-nucleotide polymorphisms for 25(OH)D levels and LC were extracted from published genome-wide association studies (GWAS) or the Medical Research Council Integrative Epidemiology Unit (MRC-IEU) Open GWAS project. Univariable MR and multivariable MR analyses were performed. Five MR methods including MR-Egger, weighted-median, inverse-variance weighted (IVW), simple mode, and weighted mode were applied.
Results: Univariable MR analysis identified the fact that genetically predicted higher levels of 25(OH)D were associated with lower odds of LC [IVW: (odds ratio (OR) = 0.9993, 95% confidence interval (CI), 0.9987-0.9999; P = 0.019)]. Multivariable MR analyses suggested that genetically predicted higher levels of 25(OH)D were correlated with lower risk of LC after adjusting for pack-years of cigarette smoking (CS) [IVW: (OR = 0.9993, 95% CI, 0.9987-0.9998; P = 0.006)] or both pack-years of CS and weekly alcoholic drinks [IVW: (OR = 0.9993, 95% CI, 0.9988-0.9998; P = 0.011)], but this was not significant after adjusting only for weekly alcoholic drinks [IVW: (OR = 0.9995, 95% CI, 0.9989-1.0001; P = 0.077)].
Conclusions: This MR analyses supported a slight protective effect of higher levels of 25(OH)D on the risk of LC.
期刊介绍:
Food & Nutrition Research is a peer-reviewed journal that presents the latest scientific research in various fields focusing on human nutrition. The journal publishes both quantitative and qualitative research papers.
Through an Open Access publishing model, Food & Nutrition Research opens an important forum for researchers from academic and private arenas to exchange the latest results from research on human nutrition in a broad sense, both original papers and reviews, including:
* Associations and effects of foods and nutrients on health
* Dietary patterns and health
* Molecular nutrition
* Health claims on foods
* Nutrition and cognitive functions
* Nutritional effects of food composition and processing
* Nutrition in developing countries
* Animal and in vitro models with clear relevance for human nutrition
* Nutrition and the Environment
* Food and Nutrition Education
* Nutrition and Economics
Research papers on food chemistry (focus on chemical composition and analysis of foods) are generally not considered eligible, unless the results have a clear impact on human nutrition.
The journal focuses on the different aspects of nutrition for people involved in nutrition research such as Dentists, Dieticians, Medical doctors, Nutritionists, Teachers, Journalists and Manufacturers in the food and pharmaceutical industries.