Risk of sleep apnea in obese increases 3.4X with poor vitamin D Receptor

Created April 2021

Polymorphisms in vitamin D receptor and parathyroid hormone genes in the development and progression of obstructive sleep apnea in Asian Indians

Nutrition. Volume 89, September 2021, 111237, https://doi.org/10.1016/j.nut.2021.111237

Surya Prakash Bhatt Ph.D.Randeep Guleria D.M.

Vitamin D (ng) and Apnea index (events/hour) chart from study via Google Images

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Vitamin D Receptor is associated in over 40 autoimmune studiesThe risk of 44 diseases at least double with poor Vitamin D Receptor as of Oct 2019 * Omega-3,  Magnesium, Zinc,  Quercetin,  non-daily Vit D,  Curcumin, intense exercise,   Ginger,   Essential oils, etc**  Note: The founder of Vitamin D Life uses 10 of the 12 known VDR activatorsItems in both categories Vitamin D Receptor and Obese are listed here: {category}{include}

Objectives

Vitamin D plays a role in multiple aspects of human physiology, and vitamin D receptor (VDR) and parathyroid hormone (PTH) genes are associated with obesity. No data are available, to our knowledge, on the possible relationship between obstructive sleep apnea (OSA) and genetic variations of VDR and PTH genes. This study aimed to assess the significance of vitamin D and PTH, as well as VDR, and PTH gene polymorphisms with body composition and biochemical investigations in Asian Indians with and without OSA.

Methods

In this study, 120 obese subjects with OSA, 110 obese subjects without OSA, and 70 nonobese subjects without OSA were recruited. Clinical, body composition, anthropometry, and biochemical investigations, as well as a full overnight polysomnography were measured. Genotyping related to VDR (BsmI, ApaI FokI, and TaqI) and PTH (BstBI and DraII) genes were investigated with a quantitative real-time polymerase chain reaction.

Results

The mean values of the lower serum 25(OH) D (12.9 ± 3.8; P = 0.0001) and higher serum PTH levels (61.9 ± 12.5; P = 0.0001) were observed in obese subjects with OSA. There was an indirect correlation between serum 25(OH) D levels and OSA severity (P < 0.001). VDR (BsmI and FokI) and PTH (BstBI and DraII) genes were significantly associated with OSA (P < 0.05). Analyses of VDR haplotype combination variants (BBFFAATt [ odds ratio: 3.45 ; 95% confidence interval, 0.986–4.567] and BbFFAaTt [odds ratio: 2.86; 95% confidence interval, 1.345–4.981) were more frequent in obese subjects with OSA (P = 0.001). The BBDD and bbDd haplotypes of the PTH gene seems to be a predisposing factor for OSA (P < 0.05).

Conclusions

Lower serum 25(OH) D levels were significantly observed in patients with OSA and correlate with disease severity. Also, VDR and PTH mutations were found to be highly related with OSA in Asian Indians.

Tags: Obesity Sleep Vit D Receptor