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Genome-Wide Copy Nu...
Genome-Wide Copy Number Variant and High-Throughput Transcriptomics Analyses of Placental Tissues Underscore Persisting Child Susceptibility in At-Risk Pregnancies Cleared in Standard Genetic Testing
- Artikel/kapitelEngelska2022
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LIBRIS-ID:oai:prod.swepub.kib.ki.se:150957242
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http://kipublications.ki.se/Default.aspx?queryparsed=id:150957242URI
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https://doi.org/10.3390/ijms231911448DOI
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Språk:engelska
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Sammanfattning på:engelska
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Several studies have shown that children from pregnancies with estimated first-trimester risk based on fetal nuchal translucency thickness and abnormal maternal serum pregnancy protein and hormone levels maintain a higher likelihood of adverse outcomes, even if initial testing for known genetic conditions is negative. We used the Finnish InTraUterine cohort (ITU), which is a comprehensively characterized perinatal cohort consisting of 943 mothers and their babies followed throughout pregnancy and 18 months postnatally, including mothers shortlisted for prenatal genetic testing but cleared for major aneuploidies (cases: n = 544, 57.7%) and control pregnancies (n = 399, 42.3%). Using genome-wide genotyping and RNA sequencing of first-trimester and term placental tissue, combined with medical information from registry data and maternal self-report data, we investigated potential negative medical outcomes and genetic susceptibility to disease and their correlates in placenta gene expression. Case mothers did not present with higher levels of depression, perceived stress, or anxiety during pregnancy. Case children were significantly diagnosed more often with congenital malformations of the circulatory system (4.12 (95% CI [1.22–13.93]) higher hazard) and presented with significantly more copy number duplications as compared to controls (burden analysis, based on all copy number variants (CNVs) with at most 10% frequency, 823 called duplications in 297 cases versus 626 called duplications in 277 controls, p = 0.01). Fifteen genes showed differential gene expression (FDR < 0.1) in association with congenital malformations in first-trimester but not term placenta. These were significantly enriched for genes associated with placental dysfunction. In spite of normal routine follow-up prenatal testing results in early pregnancy, case children presented with an increased likelihood of negative outcomes, which should prompt vigilance in follow-up during pregnancy and after birth.
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Cruceanu, CKarolinska Institutet
(författare)
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Lahti-Pulkkinen, M
(författare)
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Dieckmann, L
(författare)
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Kodel, M
(författare)
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Sauer, S
(författare)
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Rex-Haffner, M
(författare)
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Sammallahti, S
(författare)
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Kajantie, E
(författare)
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Laivuori, H
(författare)
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Lahti, J
(författare)
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Raikkonen, K
(författare)
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Binder, EB
(författare)
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Karolinska Institutet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:International journal of molecular sciences: MDPI AG23:191422-0067
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Czamara, D
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Cruceanu, C
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Lahti-Pulkkinen, ...
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Dieckmann, L
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Kodel, M
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Sauer, S
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visa fler...
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Rex-Haffner, M
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Sammallahti, S
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Kajantie, E
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Laivuori, H
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Lahti, J
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Raikkonen, K
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Binder, EB
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Karolinska Institutet