Birthweight, Maternal Weight Trajectories and Global DNA Methylation of LINE-1 Repetitive Elements
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{"title"=>"Birthweight, maternal weight trajectories and global dna methylation of line-1 repetitive elements", "type"=>"journal", "authors"=>[{"first_name"=>"Karin B.", "last_name"=>"Michels", "scopus_author_id"=>"7102318653"}, {"first_name"=>"Holly R.", "last_name"=>"Harris", "scopus_author_id"=>"37052249500"}, {"first_name"=>"Ludovic", "last_name"=>"Barault", "scopus_author_id"=>"24070031200"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "arxiv"=>"NIHMS150003", "scopus"=>"2-s2.0-80053289302", "pui"=>"362648526", "doi"=>"10.1371/journal.pone.0025254", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "sgr"=>"80053289302", "pmid"=>"21980406"}, "id"=>"68bcf91f-4f8b-313c-b32b-a9e444843220", "abstract"=>"Low birthweight, premature birth, intrauterine growth retardation, and maternal malnutrition have been related to an increased risk of cardiovascular disease, type 2 diabetes mellitus, obesity, and neuropsychiatric disorders later in life. Conversely, high birthweight has been linked to future risk of cancer. Global DNA methylation estimated by the methylation of repetitive sequences in the genome is an indicator of susceptibility to chronic diseases. We used data and biospecimens from an epigenetic birth cohort to explore the association between trajectories of fetal and maternal weight and LINE-1 methylation in 319 mother-child dyads. Newborns with low or high birthweight had significantly lower LINE-1 methylation levels in their cord blood compared to normal weight infants after adjusting for gestational age, sex of the child, maternal age at delivery, and maternal smoking during pregnancy (p = 0.007 and p = 0.036, respectively), but the magnitude of the difference was small. Infants born prematurely also had lower LINE-1 methylation levels in cord blood compared to term infants, and this difference, though small, was statistically significant (p = 0.004). We did not find important associations between maternal prepregnancy BMI or gestational weight gain and global methylation of the cord blood or fetal placental tissue. In conclusion, we found significant differences in cord blood LINE-1 methylation among newborns with low and high birthweight as well as among prematurely born infants. Future studies may elucidate whether chromosomal instabilities or other functional consequences of these changes contribute to the increased risk of chronic diseases among individuals with these characteristics.", "link"=>"http://www.mendeley.com/research/birthweight-maternal-weight-trajectories-global-dna-methylation-line1-repetitive-elements", "reader_count"=>112, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>11, "Librarian"=>4, "Researcher"=>21, "Student > Doctoral Student"=>6, "Student > Ph. D. Student"=>26, "Student > Postgraduate"=>5, "Student > Master"=>22, "Other"=>2, "Student > Bachelor"=>8, "Lecturer > Senior Lecturer"=>1, "Professor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>11, "Librarian"=>4, "Researcher"=>21, "Student > Doctoral Student"=>6, "Student > Ph. D. Student"=>26, "Student > Postgraduate"=>5, "Student > Master"=>22, "Other"=>2, "Student > Bachelor"=>8, "Lecturer > Senior Lecturer"=>1, "Professor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>8, "Environmental Science"=>2, "Biochemistry, Genetics and Molecular Biology"=>13, "Nursing and Health Professions"=>3, "Medicine and Dentistry"=>49, "Agricultural and Biological Sciences"=>27, "Neuroscience"=>1, "Chemistry"=>1, "Psychology"=>3, "Social Sciences"=>3, "Computer Science"=>1, "Economics, Econometrics and Finance"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>49}, "Neuroscience"=>{"Neuroscience"=>1}, "Chemistry"=>{"Chemistry"=>1}, "Social Sciences"=>{"Social Sciences"=>3}, "Psychology"=>{"Psychology"=>3}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>27}, "Computer Science"=>{"Computer Science"=>1}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>3}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>13}, "Unspecified"=>{"Unspecified"=>8}, "Environmental Science"=>{"Environmental Science"=>2}}, "reader_count_by_country"=>{"New Zealand"=>1, "Uruguay"=>2, "United States"=>1, "Brazil"=>1, "Italy"=>1}, "group_count"=>8}

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  • {"files"=>["https://ndownloader.figshare.com/files/730457"], "description"=>"*<p>First value: percent among study population with cord blood samples, second value: among study population with placenta samples.</p>", "links"=>[], "tags"=>["319", "mother-infant", "dyads", "epigenetic", "cohort", "included"], "article_id"=>400808, "categories"=>["Molecular Biology", "Biochemistry", "Cell Biology", "Genetics", "Biophysics"], "users"=>["Karin B. Michels", "Holly R. Harris", "Ludovic Barault"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0025254.t001", "stats"=>{"downloads"=>0, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Characteristics_of_the_319_mother_infant_dyads_of_the_Epigenetic_Birth_Cohort_included_in_this_study_/400808", "title"=>"Characteristics of the 319 mother-infant dyads of the Epigenetic Birth Cohort included in this study.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 14:19:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/730503"], "description"=>"a<p>Linear regression models were adjusted for maternal age at delivery, maternal ethnicity, maternal smoking prior to or during pregnancy, and for the sex of the child.</p>b<p>Additionally adjusted for preterm birth.</p>c<p>Additionally adjusted for prepregnancy BMI.</p>d<p>Based on the Institute of Medicine 2009 guidelines for gestational weight gain.</p>", "links"=>[], "tags"=>["fetal", "trajectories", "line-1", "methylation", "319", "mother-infant", "dyads", "epigenetic", "cohort", "included"], "article_id"=>400849, "categories"=>["Molecular Biology", "Biochemistry", "Cell Biology", "Genetics", "Biophysics"], "users"=>["Karin B. Michels", "Holly R. Harris", "Ludovic Barault"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0025254.t002", "stats"=>{"downloads"=>3, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Maternal_and_fetal_weight_trajectories_and_LINE_1_global_methylation_among_the_319_mother_infant_dyads_of_the_Epigenetic_Birth_Cohort_included_in_this_study_/400849", "title"=>"Maternal and fetal weight trajectories and LINE-1 global methylation among the 319 mother-infant dyads of the Epigenetic Birth Cohort included in this study.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 14:19:31"}

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  • {"unique-ip"=>"9", "full-text"=>"9", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"10"}
  • {"unique-ip"=>"4", "full-text"=>"3", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"11"}
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  • {"unique-ip"=>"20", "full-text"=>"17", "pdf"=>"8", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"10"}
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  • {"unique-ip"=>"10", "full-text"=>"11", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"11"}
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  • {"unique-ip"=>"16", "full-text"=>"18", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"2"}
  • {"unique-ip"=>"7", "full-text"=>"7", "pdf"=>"4", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"3"}
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Relative Metric

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