Association of CYP2C19 and HSP70 Genes Polymorphism with Aspirin- Exacerbated Respiratory Disease in a Kurd Population

Author(s): Wesam Kooti, Mohammad Abdi, Yashpal S. Malik, Bijan Nouri, Ali Jalili, Mohammad A. Rezaee, Mohammad R. Rahmani*, Rasoul N. Kalmarzi*

Journal Name: Endocrine, Metabolic & Immune Disorders - Drug Targets
(Formerly Current Drug Targets - Immune, Endocrine & Metabolic Disorders)

Volume 20 , Issue 2 , 2020

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Graphical Abstract:


Background: CYP2C19 a metabolizing enzyme and Heat Shock Proteins (HSP) are induced in stress conditions, such as hypoxia and ischemia. Recently, polymorphism in the CYP2C19 and HSP genes has been established in Aspirin-Exacerbated Respiratory Disease (AERD).

Objective: We investigated the polymorphism of these two genes in Kurdish patients with AERD.

Methods: This study involved 306 subjects, referred to the Be’sat hospital in Kurdistan Province, which were divided into three groups, (i) Aspirin Induced Asthma (AIA), (ii) Aspirin Tolerant Asthma (ATA), and (iii) healthy subjects as control. The subjects as control and ATA\AIA groups were verified by the physician. The demographic data of each subject with respect to age, sex, parental education, and residence was collected. Spirometry was performed on subjects and blood samples were collected for serum Immunoglobulin E (IgE) estimation and molecular tests. Genotyping was done for CYP2C19 681G>A، CYP2C19 636G>A, and HSPA1B1267A>G by using PCR- Restriction Fragment Length Polymorphism (RFLP) and for HSPA1B-179C>T by High Resolution Melting (HRM).

Results: Demographic statistics were not significantly different between the three groups (p>0.05). Further, genotypes were also not observed to be significantly different in the genes of CYP2C19 681G>A, CYP2C19 636G>A and HSPA1B1267A>G (p>0.05). However, the heterozygote genotype in HSPA1B-179 C>T in AIA group was higher than the control group (p<0.05). Notably, 92.8 % of the subjects showed heterozygote genotype in HSPA1B1267 A>G. In clinical tests, FEV-1, FVC, and asthma severity in the AIA group were higher than control and additionally IgE levels were lower in this group (p<0.05).

Conclusion: The results confirm the association of polymorphism in the HSPA1B-179C>T and HSPA1B1267A>G with AERD in the Kurdish population.

Keywords: Polymorphism, PCR-RFLP, HRM, aspirin-exacerbated respiratory disease, heat shock proteins, asthma, kurdistan.

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Article Details

Year: 2020
Page: [256 - 262]
Pages: 7
DOI: 10.2174/1872214812666190527104329
Price: $65

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