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Publication Detail

Title: Whole-Genome Sequencing of Pharmacogenetic Drug Response in Racially Diverse Children with Asthma.

Authors: Mak, Angel C Y; White, Marquitta J; Eckalbar, Walter L; Szpiech, Zachary A; Oh, Sam S; Pino-Yanes, Maria; Hu, Donglei; Goddard, Pagé; Huntsman, Scott; Galanter, Joshua; Wu, Ann Chen; Himes, Blanca E; Germer, Soren; Vogel, Julia M; Bunting, Karen L; Eng, Celeste; Salazar, Sandra; Keys, Kevin L; Liberto, Jennifer; Nuckton, Thomas J; Nguyen, Thomas A; Torgerson, Dara G; Kwok, Pui-Yan; Levin, Albert M; Celedón, Juan C; Forno, Erick; Hakonarson, Hakon; Sleiman, Patrick M; Dahlin, Amber; Tantisira, Kelan G; Weiss, Scott T; Serebrisky, Denise; Brigino-Buenaventura, Emerita; Farber, Harold J; Meade, Kelley; Lenoir, Michael A; Avila, Pedro C; Sen, Saunak; Thyne, Shannon M; Rodriguez-Cintron, William; Winkler, Cheryl A; Moreno-Estrada, Andrés; Sandoval, Karla; Rodriguez-Santana, Jose R; Kumar, Rajesh; Williams, L Keoki; Ahituv, Nadav; Ziv, Elad; Seibold, Max A; Darnell, Robert B; Zaitlen, Noah; Hernandez, Ryan D; Burchard, Esteban G; NHLBI Trans-Omics for Precision Medicine (TOPMed) Consortium

Published In Am J Respir Crit Care Med, (2018 06 15)

Abstract: Albuterol, a bronchodilator medication, is the first-line therapy for asthma worldwide. There are significant racial/ethnic differences in albuterol drug response.To identify genetic variants important for bronchodilator drug response (BDR) in racially diverse children.We performed the first whole-genome sequencing pharmacogenetics study from 1,441 children with asthma from the tails of the BDR distribution to identify genetic association with BDR.We identified population-specific and shared genetic variants associated with BDR, including genome-wide significant (P < 3.53 × 10-7) and suggestive (P < 7.06 × 10-6) loci near genes previously associated with lung capacity (DNAH5), immunity (NFKB1 and PLCB1), and β-adrenergic signaling (ADAMTS3 and COX18). Functional analyses of the BDR-associated SNP in NFKB1 revealed potential regulatory function in bronchial smooth muscle cells. The SNP is also an expression quantitative trait locus for a neighboring gene, SLC39A8. The lack of other asthma study populations with BDR and whole-genome sequencing data on minority children makes it impossible to perform replication of our rare variant associations. Minority underrepresentation also poses significant challenges to identify age-matched and population-matched cohorts of sufficient sample size for replication of our common variant findings.The lack of minority data, despite a collaboration of eight universities and 13 individual laboratories, highlights the urgent need for a dedicated national effort to prioritize diversity in research. Our study expands the understanding of pharmacogenetic analyses in racially/ethnically diverse populations and advances the foundation for precision medicine in at-risk and understudied minority populations.

PubMed ID: 29509491 Exiting the NIEHS site

MeSH Terms: Adolescent; African Americans/genetics; Albuterol/therapeutic use*; Asthma/drug therapy*; Bronchodilator Agents/therapeutic use*; Child; Female; Genome-Wide Association Study*; Hispanic Americans/genetics; Humans; Male; Mexican Americans/genetics*; Pharmacogenomic Variants/genetics*; Polymorphism, Single Nucleotide; Race Factors*; United States

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