eISSN: 2299-0046
ISSN: 1642-395X
Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii
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SCImago Journal & Country Rank
2/2020
vol. 37
 
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abstract:
Original paper

Associations between vitamin D receptor gene polymorphisms and chronic spontaneous urticaria in Chinese Han population

Yiping Ma
1
,
Zhi Xiang
1
,
Xu Yao
1
,
Chengrang Li
1
,
Jianbing Wu
1
,
Suying Feng
1
,
Pangen Cui
1
,
Lin Lin
1

1.
Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, China
Adv Dermatol Allergol 2020; XXXVII (2): 250–254
Online publish date: 2020/05/06
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Introduction
Previous studies found that vitamin D receptor (VDR) TaqI, BsmI, FokI and ApaI gene polymorphisms are associated with several inflammatory diseases. However, the relationship between VDR gene polymorphisms and chronic spontaneous urticaria (CSU) is not clear.

Aim
The purpose of our study was to explore the relationship between the polymorphism of VDR and the incidence of chronic spontaneous urticaria in the Chinese Han population. Meanwhile, the vitamin D levels in patients with chronic spontaneous urticaria were also detected and the effects of VDR gene polymorphism on vitamin D levels were detected.

Material and methods
The genotypes of four VDR polymorphisms (TaqI, BsmI, ApaI, and FokI) were studied using allele-specific PCR analysis in 90 CSU patients and 90 healthy controls.

Results
Compared to the control group, the mutant allele (C) of FokI were more common in patients with CSU (57.2% vs. 45%, p = 0.020, odds ratio (OR) = 0.612, 95% confidence interval (CI): 0.403–0.928). We found that serum vitamin D levels were significantly lower in CSU patients than in healthy controls (p = 0.023). However, the effect of VDR gene polymorphism on vitamin D levels was not found in patients of CSU.

Conclusions
We first reported the effect of VDR gene FokI (rs2228570) polymorphism on the incidence of chronic spontaneous urticaria in the Chinese Han population.

keywords:

urticaria, vitamin D receptor, gene polymorphisms

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