A Twin Study of Early-Childhood Asthma in Puerto Ricans
Publication Date
July 03, 2013
Journal
PLOS ONE
Authors
Supinda Bunyavanich, Judy L. Silberg, Jessica Lasky Su, Nathan A. Gillespie, et al
Volume
8
Issue
7
Pages
e68473
DOI
https://dx.plos.org/10.1371/journal.pone.0068473
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0068473
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/23844206
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3700929
Europe PMC
http://europepmc.org/abstract/MED/23844206
Web of Science
000321733000010
Scopus
84879746031
Mendeley
http://www.mendeley.com/research/twin-study-earlychildhood-asthma-puerto-ricans
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Mendeley | Further Information

{"title"=>"A Twin Study of Early-Childhood Asthma in Puerto Ricans", "type"=>"journal", "authors"=>[{"first_name"=>"Supinda", "last_name"=>"Bunyavanich", "scopus_author_id"=>"8752686500"}, {"first_name"=>"Judy L.", "last_name"=>"Silberg", "scopus_author_id"=>"7006513688"}, {"first_name"=>"Jessica", "last_name"=>"Lasky-Su", "scopus_author_id"=>"13610056800"}, {"first_name"=>"Nathan A.", "last_name"=>"Gillespie", "scopus_author_id"=>"35502153800"}, {"first_name"=>"Nancy E.", "last_name"=>"Lange", "scopus_author_id"=>"35758967300"}, {"first_name"=>"Glorisa", "last_name"=>"Canino", "scopus_author_id"=>"35429993800"}, {"first_name"=>"Juan C.", "last_name"=>"Celedn", "scopus_author_id"=>"36918025600"}], "year"=>2013, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84879746031", "pmid"=>"23844206", "sgr"=>"84879746031", "doi"=>"10.1371/journal.pone.0068473", "issn"=>"19326203", "pui"=>"369253505"}, "id"=>"1d463c2b-5939-3394-be9d-01822aed50b5", "abstract"=>"BACKGROUND: The relative contributions of genetics and environment to asthma in Hispanics or to asthma in children younger than 3 years are not well understood.\\n\\nOBJECTIVE: To examine the relative contributions of genetics and environment to early-childhood asthma by performing a longitudinal twin study of asthma in Puerto Rican children ≤ 3 years old.\\n\\nMETHODS: 678 twin infants from the Puerto Rico Neo-Natal Twin Registry were assessed for asthma at age 1 year, with follow-up data obtained for 624 twins at age 3 years. Zygosity was determined by DNA microsatellite profiling. Structural equation modeling was performed for three phenotypes at ages 1 and 3 years: physician-diagnosed asthma, asthma medication use in the past year, and ≥ 1 hospitalization for asthma in the past year. Models were additionally adjusted for early-life environmental tobacco smoke exposure, sex, and age.\\n\\nRESULTS: The prevalences of physician-diagnosed asthma, asthma medication use, and hospitalization for asthma were 11.6%, 10.8%, 4.9% at age 1 year, and 34.1%, 40.1%, and 8.5% at 3 years, respectively. Shared environmental effects contributed to the majority of variance in susceptibility to physician-diagnosed asthma and asthma medication use in the first year of life (84%-86%), while genetic effects drove variance in all phenotypes (45%-65%) at age 3 years. Early-life environmental tobacco smoke, sex, and age contributed to variance in susceptibility.\\n\\nCONCLUSION: Our longitudinal study in Puerto Rican twins demonstrates a changing contribution of shared environmental effects to liability for physician-diagnosed asthma and asthma medication use between ages 1 and 3 years. Early-life environmental tobacco smoke reduction could markedly reduce asthma morbidity in young Puerto Rican children.", "link"=>"http://www.mendeley.com/research/twin-study-earlychildhood-asthma-puerto-ricans", "reader_count"=>26, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>1, "Student > Doctoral Student"=>1, "Researcher"=>5, "Student > Ph. D. Student"=>5, "Student > Postgraduate"=>2, "Student > Master"=>7, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>1, "Student > Doctoral Student"=>1, "Researcher"=>5, "Student > Ph. D. Student"=>5, "Student > Postgraduate"=>2, "Student > Master"=>7, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>1}, "reader_count_by_subject_area"=>{"Engineering"=>1, "Unspecified"=>4, "Environmental Science"=>2, "Medicine and Dentistry"=>13, "Agricultural and Biological Sciences"=>2, "Social Sciences"=>1, "Computer Science"=>1, "Immunology and Microbiology"=>1, "Economics, Econometrics and Finance"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>13}, "Social Sciences"=>{"Social Sciences"=>1}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>1}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Computer Science"=>{"Computer Science"=>1}, "Unspecified"=>{"Unspecified"=>4}, "Environmental Science"=>{"Environmental Science"=>2}}, "reader_count_by_country"=>{"New Zealand"=>1, "United States"=>1, "Portugal"=>1, "India"=>1}, "group_count"=>0}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1109871"], "description"=>"<div><p>Background</p><p>The relative contributions of genetics and environment to asthma in Hispanics or to asthma in children younger than 3 years are not well understood.</p><p>Objective</p><p>To examine the relative contributions of genetics and environment to early-childhood asthma by performing a longitudinal twin study of asthma in Puerto Rican children ≤3 years old.</p><p>Methods</p><p>678 twin infants from the Puerto Rico Neo-Natal Twin Registry were assessed for asthma at age 1 year, with follow-up data obtained for 624 twins at age 3 years. Zygosity was determined by DNA microsatellite profiling. Structural equation modeling was performed for three phenotypes at ages 1 and 3 years: physician-diagnosed asthma, asthma medication use in the past year, and ≥1 hospitalization for asthma in the past year. Models were additionally adjusted for early-life environmental tobacco smoke exposure, sex, and age.</p><p>Results</p><p>The prevalences of physician-diagnosed asthma, asthma medication use, and hospitalization for asthma were 11.6%, 10.8%, 4.9% at age 1 year, and 34.1%, 40.1%, and 8.5% at 3 years, respectively. Shared environmental effects contributed to the majority of variance in susceptibility to physician-diagnosed asthma and asthma medication use in the first year of life (84%–86%), while genetic effects drove variance in all phenotypes (45%–65%) at age 3 years. Early-life environmental tobacco smoke, sex, and age contributed to variance in susceptibility.</p><p>Conclusion</p><p>Our longitudinal study in Puerto Rican twins demonstrates a changing contribution of shared environmental effects to liability for physician-diagnosed asthma and asthma medication use between ages 1 and 3 years. Early-life environmental tobacco smoke reduction could markedly reduce asthma morbidity in young Puerto Rican children.</p></div>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "early-childhood", "puerto"], "article_id"=>738427, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473", "stats"=>{"downloads"=>6, "page_views"=>14, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_A_Twin_Study_of_Early_Childhood_Asthma_in_Puerto_Ricans_/738427", "title"=>"A Twin Study of Early-Childhood Asthma in Puerto Ricans", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109870"], "description"=>"<p>584 subjects with zygosity confirmed by DNA testing were used in these models.</p>#<p>A =  additive genetic variance, C =  shared environmental variance, E =  non-shared environmental variance.<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0068473#pone.0068473-Neale1\" target=\"_blank\">[23]</a>.</p><p>*P-value for likelihood ratio χ2 test comparing adjusted model to univariate model.</p><p>∧Early-life environmental tobacco smoke (ETS) defined as intrauterine smoke exposure or cigarette exposure ≥2×/week during the first year of life.</p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "asthma-related", "phenotypes"], "article_id"=>738426, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.t005", "stats"=>{"downloads"=>1, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Variance_component_analysis_of_asthma_related_phenotypes_at_age_3_years_/738426", "title"=>"Variance component analysis of asthma-related phenotypes at age 3 years.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109865"], "description"=>"<p>ACE model for calculating genetic and environmental influence from twin correlations.<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0068473#pone.0068473-Neale1\" target=\"_blank\">[<b>23</b>]</a></p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders"], "article_id"=>738421, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.g002", "stats"=>{"downloads"=>3, "page_views"=>288, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_ACE_model_for_calculating_genetic_and_environmental_influence_from_twin_correlations_23_/738421", "title"=>"ACE model for calculating genetic and environmental influence from twin correlations.[<b>23</b>]", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109864"], "description"=>"<p>Study design of the Puerto Rico Neo-Natal Twin Registry.</p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "puerto", "rico", "neo-natal"], "article_id"=>738420, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.g001", "stats"=>{"downloads"=>0, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Study_design_of_the_Puerto_Rico_Neo_Natal_Twin_Registry_/738420", "title"=>"Study design of the Puerto Rico Neo-Natal Twin Registry.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109869"], "description"=>"<p>584 subjects with zygosity confirmed by DNA testing were used in these models.</p>#<p>A =  additive genetic variance, C =  shared environmental variance, E =  non-shared environmental variance <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0068473#pone.0068473-Neale1\" target=\"_blank\">[23]</a>.</p><p>*P-value for likelihood ratio χ2 test comparing adjusted to univariate model.</p><p>∧Early-life environmental tobacco smoke (ETS) defined as intrauterine smoke exposure or cigarette exposure ≥2×/week during the first year of life.</p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "asthma-related", "phenotypes"], "article_id"=>738425, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.t004", "stats"=>{"downloads"=>0, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Variance_component_analysis_of_asthma_related_phenotypes_at_age_1_year_/738425", "title"=>"Variance component analysis of asthma-related phenotypes at age 1 year.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109867"], "description"=>"<p>MZ =  monozygotic, DZ =  dizygotic.</p><p>*584 subjects with zygosity confirmed by DNA testing were used in this analysis.</p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "resemblance", "twins", "asthma-related", "phenotypes"], "article_id"=>738423, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.t002", "stats"=>{"downloads"=>2, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Prevalence_and_resemblance_between_twins_for_asthma_related_phenotypes_at_age_1_year_/738423", "title"=>"Prevalence and resemblance between twins for asthma-related phenotypes at age 1 year.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109868"], "description"=>"<p>MZ =  monozygotic, DZ =  dizygotic.</p><p>*584 subjects with zygosity confirmed by DNA testing were used in this analysis.</p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "resemblance", "twins", "asthma-related", "phenotypes"], "article_id"=>738424, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.t003", "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Prevalence_and_resemblance_between_twins_for_asthma_related_phenotypes_at_age_3_years_/738424", "title"=>"Prevalence and resemblance between twins for asthma-related phenotypes at age 3 years.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-03 02:13:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/1109866"], "description"=>"<p>Values are reported as number (%) or mean (SD).</p><p>*By DNA testing available for 584 subjects (292 twin pairs)); prevalence per parental report for 678 subjects at 1yo was the same (240 (35.4%)).</p><p>∧Defined as cigarette smoke exposure ≥2 times/week in first year of life.</p>", "links"=>[], "tags"=>["epidemiology", "Genetic epidemiology", "pediatrics", "Pediatric pulmonology", "Public health", "Behavioral and social aspects of health", "Child health", "Environmental health", "preventive medicine", "Pulmonology", "asthma", "Smoking related disorders", "ages"], "article_id"=>738422, "categories"=>["Medicine"], "users"=>["Supinda Bunyavanich", "Judy L. Silberg", "Jessica Lasky-Su", "Nathan A. Gillespie", "Nancy E. Lange", "Glorisa Canino", "Juan C. Celedόn"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068473.t001", "stats"=>{"downloads"=>0, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Characteristics_of_participants_at_ages_1_and_3_years_/738422", "title"=>"Characteristics of participants at ages 1 and 3 years.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-03 02:13:04"}

PMC Usage Stats | Further Information

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Relative Metric

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