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Association between CRHR1 gene(rs1876828)polymorphism and the effect of inhaled corticosteroids in children with bronchial asthma / 国际儿科学杂志
International Journal of Pediatrics ; (6): 64-67, 2021.
Article in Chinese | WPRIM | ID: wpr-882284
ABSTRACT

Objective:

To analyze the association between CRHR1 gene(rs1876828)polymorphism and the effect of inhaled corticosteroids(ICS)in children with bronchial asthma.

Methods:

A total of 60 children with moderate persistent asthma who were treated in the Department of Pediatrics of the First Affiliated Hospital of Harbin Medical University from January 2018 to June 2019 were included.The CRHR1 gene rs1876828 locus in children with asthma was detected by Sanger sequencing.The children were divided into TT genotype group(TT group) and CC genotype group(CC group)according to the different base sequences of gene loci.There were 22 cases in TT group(36.7%)and 38 cases in CC group(63.3%). Both groups were given aerosol inhalation of ICS and symptomatic treatment.Clinical symptoms and signs were observed and scored before and after treatment for 3d, 10d and 30d, and the days required for complete disappearance of symptoms and signs were recorded.

Results:

After 3d of treatment, clinical symptoms and signs of TT group and CC group were improved to a certain extent, but there was no statistical significant difference between two groups( P>0.05). At 10d and 30 d after treatment, the recovery of the two groups was better than that at 3d, and the improvement degree of the TT group was significantly better than that of the CC group, with statistical significance( P<0.05). The time of complete remission of symptoms and signs in TT group and CC group was(8.68±7.42)d and(16.21±7.82)d; the difference was statistically significant( P<0.01).

Conclusion:

There is a polymorphism of CRHR1 rs1876828 locus in children with bronchial asthma, which manifests as TT genotype and CC genotype, and CC genotype is the majority.The polymorphism of CRHR1 gene rs1876828 in asthmatic children is associated with the efficacy of ICS.The efficacy of ICS in children with TT genotype is better than that of CC genotype.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: International Journal of Pediatrics Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: International Journal of Pediatrics Year: 2021 Type: Article