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Publication Detail

Title: Stress and Bronchodilator Response in Children with Asthma.

Authors: Brehm, John M; Ramratnam, Sima K; Tse, Sze Man; Croteau-Chonka, Damien C; Pino-Yanes, Maria; Rosas-Salazar, Christian; Litonjua, Augusto A; Raby, Benjamin A; Boutaoui, Nadia; Han, Yueh-Ying; Chen, Wei; Forno, Erick; Marsland, Anna L; Nugent, Nicole R; Eng, Celeste; Colón-Semidey, Angel; Alvarez, María; Acosta-Pérez, Edna; Spear, Melissa L; Martinez, Fernando D; Avila, Lydiana; Weiss, Scott T; Soto-Quiros, Manuel; Ober, Carole; Nicolae, Dan L; Barnes, Kathleen C; Lemanske Jr, Robert F; Strunk, Robert C; Liu, Andrew; London, Stephanie J; Gilliland, Frank; Sleiman, Patrick; March, Michael; Hakonarson, Hakon; Duan, Qing Ling; Kolls, Jay K; Fritz, Gregory K; Hu, Donglei; Fani, Negar; Stevens, Jennifer S; Almli, Lynn M; Burchard, Esteban G; Shin, Jaemin; McQuaid, Elizabeth L; Ressler, Kerry; Canino, Glorisa; Celedón, Juan C

Published In Am J Respir Crit Care Med, (2015 Jul 01)

Abstract: Stress is associated with asthma morbidity in Puerto Ricans (PRs), who have reduced bronchodilator response (BDR).To examine whether stress and/or a gene regulating anxiety (ADCYAP1R1) is associated with BDR in PR and non-PR children with asthma.This was a cross-sectional study of stress and BDR (percent change in FEV1 after BD) in 234 PRs ages 9-14 years with asthma. We assessed child stress using the Checklist of Children's Distress Symptoms, and maternal stress using the Perceived Stress Scale. Replication analyses were conducted in two cohorts. Polymorphisms in ADCYAP1R1 were genotyped in our study and six replication studies. Multivariable models of stress and BDR were adjusted for age, sex, income, environmental tobacco smoke, and use of inhaled corticosteroids.High child stress was associated with reduced BDR in three cohorts. PR children who were highly stressed (upper quartile, Checklist of Children's Distress Symptoms) and whose mothers had high stress (upper quartile, Perceived Stress Scale) had a BDR that was 10.2% (95% confidence interval, 6.1-14.2%) lower than children who had neither high stress nor a highly stressed mother. A polymorphism in ADCYAP1R1 (rs34548976) was associated with reduced BDR. This single-nucleotide polymorphism is associated with reduced expression of the gene for the β2-adrenergic receptor (ADRB2) in CD4(+) lymphocytes of subjects with asthma, and it affects brain connectivity of the amygdala and the insula (a biomarker of anxiety).High child stress and an ADCYAP1R1 single-nucleotide polymorphism are associated with reduced BDR in children with asthma. This is likely caused by down-regulation of ADRB2 in highly stressed children.

PubMed ID: 25918834 Exiting the NIEHS site

MeSH Terms: Adolescent; Anxiety/complications*; Anxiety/diagnosis; Anxiety/ethnology; Anxiety/genetics; Asthma/complications; Asthma/drug therapy*; Asthma/ethnology; Asthma/genetics; Bronchodilator Agents/therapeutic use*; Case-Control Studies; Child; Cross-Sectional Studies; Down-Regulation; Female; Genetic Markers; Genotype; Humans; Linear Models; Male; Multivariate Analysis; Polymorphism, Single Nucleotide; Puerto Rico; Receptors, Adrenergic, beta-2/genetics; Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type I/genetics*; Rhode Island; Risk Factors; Stress, Psychological/complications*; Stress, Psychological/diagnosis; Stress, Psychological/ethnology; Treatment Outcome

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