Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47649
Title: Intronic variants in the NFKB1 gene may influence hearing forecast in patients with unilateral sensorineural hearing loss in meniere's disease
Authors: Cabrera, Sonia
Sanchez, Elena
Requena, Teresa
Martinez-Bueno, Manuel
Benitez, Jesus 
Perez, Nicolas
Trinidad, Gabriel
Soto-Varela, Andrés
Santos-Perez, Sofía
Martin-Sanz, Eduardo
Fraile, Jesus
Perez, Paz
Alarcon-Riquelme, Marta E.
Batuecas, Angel
Espinosa-Sanchez, Juan M.
Aran, Ismael
Lopez-Escamez, Jose A.
UNESCO Clasification: 32 Ciencias médicas
320102 Genética clínica
Keywords: Meniere disease
Transcription factors
Deafness
Single nucleotide polymorphisms
Introns, et al
Issue Date: 2014
Journal: PLoS ONE
Abstract: Meniere's disease is an episodic vestibular syndrome associated with sensorineural hearing loss (SNHL) and tinnitus. Patients with MD have an elevated prevalence of several autoimmune diseases (rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis and psoriasis), which suggests a shared autoimmune background. Functional variants of several genes involved in the NF-κB pathway, such as REL, TNFAIP3, NFKB1 and TNIP1, have been associated with two or more immune-mediated diseases and allelic variations in the TLR10 gene may influence bilateral affectation and clinical course in MD. We have genotyped 716 cases of MD and 1628 controls by using the ImmunoChip, a high-density genotyping array containing 186 autoimmune loci, to explore the association of immune system related-loci with sporadic MD. Although no single nucleotide polymorphism (SNP) reached a genome-wide significant association (p<10−8), we selected allelic variants in the NF-kB pathway for further analyses to evaluate the impact of these SNPs in the clinical outcome of MD in our cohort. None of the selected SNPs increased susceptibility for MD in patients with uni or bilateral SNHL. However, two potential regulatory variants in the NFKB1 gene (rs3774937 and rs4648011) were associated with a faster hearing loss progression in patients with unilateral SNHL. So, individuals with unilateral MD carrying the C allele in rs3774937 or G allele in rs4648011 had a shorter mean time to reach hearing stage 3 (>40 dB HL) (log-rank test, corrected p values were p = 0.009 for rs3774937 and p = 0.003 for rs4648011, respectively). No variants influenced hearing in bilateral MD. Our data support that the allelic variants rs3774937 and rs4648011 can modify hearing outcome in patients with MD and unilateral SNHL.
URI: http://hdl.handle.net/10553/47649
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0112171
Source: PLoS ONE,v. 11(9) [1932-6203] (0112171)
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