Variants in the fetal genome near FLT1 are associated with risk of preeclampsia.
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Williams, Nicholas O
Sigurdsson, Jon K
Kemp, John P
Silva, Gabriela B
Thomsen, Liv Cecilie V
Lee, Wai Kwong
Simpson, Nigel A B
Dolby, Vivien A
Engel, Stephanie M
Dominiczak, Anna F
Gjessing, Håkon K
Casas, Juan P
Walker, James J
Pipkin, Fiona Broughton
Geirsson, Reynir T
Lawlor, Debbie A
MetadataShow full item record
CitationVariants in the fetal genome near FLT1 are associated with risk of preeclampsia. 2017, 49 (8):1255-1260 Nat. Genet.
AbstractPreeclampsia, which affects approximately 5% of pregnancies, is a leading cause of maternal and perinatal death. The causes of preeclampsia remain unclear, but there is evidence for inherited susceptibility. Genome-wide association studies (GWAS) have not identified maternal sequence variants of genome-wide significance that replicate in independent data sets. We report the first GWAS of offspring from preeclamptic pregnancies and discovery of the first genome-wide significant susceptibility locus (rs4769613; P = 5.4 × 10(-11)) in 4,380 cases and 310,238 controls. This locus is near the FLT1 gene encoding Fms-like tyrosine kinase 1, providing biological support, as a placental isoform of this protein (sFlt-1) is implicated in the pathology of preeclampsia. The association was strongest in offspring from pregnancies in which preeclampsia developed during late gestation and offspring birth weights exceeded the tenth centile. An additional nearby variant, rs12050029, associated with preeclampsia independently of rs4769613. The newly discovered locus may enhance understanding of the pathophysiology of preeclampsia and its subtypes.
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RightsArchived with thanks to Nature genetics
- Genetic predisposition to preeclampsia is conferred by fetal DNA variants near FLT1, a gene involved in the regulation of angiogenesis.
- Authors: Gray KJ, Saxena R, Karumanchi SA
- Issue date: 2018 Feb
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