Interaction between functional polymorphisms in FCER1A and TLR2 and the severity of atopic dermatitis

Daniel P. Potaczek; Aleksandra Przytulska-Szczerbik; Stanisława Bazan-Socha; Magdalena Nastałek; Anna Wojas-Pelc; Ko Okumura; Chiharu Nishiyama; Artur Jurczyszyn; Anetta Undas; Ewa Wypasek

doi:10.1016/j.humimm.2020.08.002

Interaction between functional polymorphisms in FCER1A and TLR2 and the severity of atopic dermatitis

Daniel P. Potaczek, Aleksandra Przytulska-Szczerbik, Stanisława Bazan-Socha, Magdalena Nastałek, Anna Wojas-Pelc, Ko Okumura, Chiharu Nishiyama, Artur Jurczyszyn, Anetta Undas, Ewa Wypasek

Department of Biological Science and Technology

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Dendritic cell toll-like receptors (TLRs) and the high-affinity immunoglobulin E (IgE) receptor (FcεRI) may biologically interact with regard to atopic dermatitis (AD) development and, especially, severity. Our aim here was to test if such interaction can be detected on the genetic level. The combined effect of the TLR2 gene (TLR2) rs4696480 and the FcεRI α-chain gene (FCER1A) rs2252226 and rs2251746 polymorphisms on the AD severity as measured by SCORAD was assessed. The FCER1A rs2252226 and TLR2 rs4696480 polymorphisms interacted with regard to SCORAD. Higher SCORAD was observed in patients being the TLR2 rs4696480 major homozygotes and carrying at the same time the FCER1A rs2252226 minor allele, compared to those characterized by (any other of) the remaining combined rs2252226 and rs4696480 genotypes. The observation of the epistatic effect of TLR2 and FCER1A genetic variants on SCORAD is in line with the involvement of the interaction TLRs-FcεRI in the pathophysiology of AD.

Original language	English
Pages (from-to)	709-713
Number of pages	5
Journal	Human Immunology
Volume	81
Issue number	12
DOIs	https://doi.org/10.1016/j.humimm.2020.08.002
Publication status	Published - Dec 2020

Keywords

Atopic dermatitis
Disease severity
FCER1A
SCORAD
TLR2

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10.1016/j.humimm.2020.08.002

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title = "Interaction between functional polymorphisms in FCER1A and TLR2 and the severity of atopic dermatitis",

abstract = "Dendritic cell toll-like receptors (TLRs) and the high-affinity immunoglobulin E (IgE) receptor (FcεRI) may biologically interact with regard to atopic dermatitis (AD) development and, especially, severity. Our aim here was to test if such interaction can be detected on the genetic level. The combined effect of the TLR2 gene (TLR2) rs4696480 and the FcεRI α-chain gene (FCER1A) rs2252226 and rs2251746 polymorphisms on the AD severity as measured by SCORAD was assessed. The FCER1A rs2252226 and TLR2 rs4696480 polymorphisms interacted with regard to SCORAD. Higher SCORAD was observed in patients being the TLR2 rs4696480 major homozygotes and carrying at the same time the FCER1A rs2252226 minor allele, compared to those characterized by (any other of) the remaining combined rs2252226 and rs4696480 genotypes. The observation of the epistatic effect of TLR2 and FCER1A genetic variants on SCORAD is in line with the involvement of the interaction TLRs-FcεRI in the pathophysiology of AD.",

keywords = "Atopic dermatitis, Disease severity, FCER1A, SCORAD, TLR2",

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AU - Potaczek, Daniel P.

AU - Przytulska-Szczerbik, Aleksandra

AU - Bazan-Socha, Stanisława

AU - Nastałek, Magdalena

AU - Wojas-Pelc, Anna

AU - Okumura, Ko

AU - Nishiyama, Chiharu

AU - Jurczyszyn, Artur

AU - Undas, Anetta

AU - Wypasek, Ewa

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AB - Dendritic cell toll-like receptors (TLRs) and the high-affinity immunoglobulin E (IgE) receptor (FcεRI) may biologically interact with regard to atopic dermatitis (AD) development and, especially, severity. Our aim here was to test if such interaction can be detected on the genetic level. The combined effect of the TLR2 gene (TLR2) rs4696480 and the FcεRI α-chain gene (FCER1A) rs2252226 and rs2251746 polymorphisms on the AD severity as measured by SCORAD was assessed. The FCER1A rs2252226 and TLR2 rs4696480 polymorphisms interacted with regard to SCORAD. Higher SCORAD was observed in patients being the TLR2 rs4696480 major homozygotes and carrying at the same time the FCER1A rs2252226 minor allele, compared to those characterized by (any other of) the remaining combined rs2252226 and rs4696480 genotypes. The observation of the epistatic effect of TLR2 and FCER1A genetic variants on SCORAD is in line with the involvement of the interaction TLRs-FcεRI in the pathophysiology of AD.

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KW - Disease severity

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KW - SCORAD

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Interaction between functional polymorphisms in FCER1A and TLR2 and the severity of atopic dermatitis

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Keywords

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