Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/106859
Type: Artigo de periódico
Title: Impact Of Genetics In Childhood Asthma
Author: Pinto L.A.
Stein R.T.
Kabesch M.
Abstract: Objective: To present the most important and recent results of studies on asthma genetics. These data may help general physicians understand the impact of genetics on this complex disorder and how genes and polymorphisms influence asthma and atopy. Sources: Data were collected from MEDLINE. Genetic association studies were selected from the Genetic Association Database, which is an archive of human genetic association studies of complex diseases and disorders organized by the National Institutes of Health. Summary of the findings: Considering the data from several important twin studies on asthma genetics, heritability, which measures the contribution of genetic factors to the variance of asthma, may be estimated in 0.48-0.79. A huge number of genetic association studies have been trying to identify asthma susceptibility genes. The most replicated results in the genetic association studies involve the following five regions of the human genome: 5q31-32, 6p21, 11q12-13, 16p11-12, and 20p13. Only recently a new asthma susceptibility gene (ORMDL3) has been identified by a whole genome association study, considered to be a major determinant for childhood asthma. Conclusions: Genetic contribution to asthma may be estimated ranging from 48 to 79%. Several loci seem to influence asthma susceptibility. Genes located on chromosome 5q (ADRB2, IL13 and IL4) and the recently identified ORMDL3, on chromosome 17, seem to be determinants of childhood asthma. Diagnostics and pharmacogenetics may be the first clinical implication of extensive studies on asthma genetics. Copyright © 2008 by Sociedade Brasileira de Pediatria.
Editor: 
Rights: aberto
Identifier DOI: 10.2223/JPED.1781
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-57349120162&partnerID=40&md5=ecfa9bb5eac81e39d3322eb6c8cb3e99
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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