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. 2019 May 27;12(1):71.
doi: 10.1186/s12920-019-0533-4.

Histamine H4 receptor gene polymorphisms: a potential contributor to Meniere disease

Danxia Qin  1 , Han Zhang  2 , Jiehua Wang  1 , Zhuquan Hong  3
Affiliations

Histamine H4 receptor gene polymorphisms: a potential contributor to Meniere disease

Danxia Qin et al. BMC Med Genomics. .

Abstract

Background: The immune system is likely involved in the pathophysiology of Meniere's disease (MD). However, its role of patients with MD has not been well studied. Given that histamine H4 receptors are highly expressed in immune system, we tested the hypothesis that histamine H4 receptor gene polymorphisms are a potential contributor to the risk of MD.

Methods: A group of patients was enrolled with a diagnosis of definite MD based on the American Academy of Otolaryngology-Head and Neck Surgery Committee on Hearing and Equilibrium guidelines and a control group of patients without any vestibular disease. We selected one SNP, rs77485247 in HRH4 and conducted an exploratory investigation of its correlations with the symptoms of vertigo and proinflammatory cytokines levels in MD patients.

Results: HRH4 rs77485247 polymorphism may be associated with the risk of MD. Furthermore, basal levels of proinflammatory cytokines, such as IL-1β and TNF-α, in PBMCs are increased in patients with MD compared to control patients. This increased basal level of proinflammatory cytokines is prominent in MD patients with the A allele.

Conclusions: These suggested that HRH4 rs77485247 polymorphism may be an important mediator in regulating proinflammatory cytokines, which are involved in the pathogenesis of MD.

Keywords: Histamine H4 receptors; Meniere’s disease; Polymorphism; Proinflammatory cytokines.

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Conflict of interest statement

The authors declare that they have no competing interests.

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