| Effect of first-trimester serum from pregnant women with high-resistance uterine artery Doppler resistance on extravillous trophoblast invasion. | |
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MedLine Citation:
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PMID: 16431899 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Abnormal uterine artery Doppler indices are associated with pregnancy complications such as pre-eclampsia and intrauterine growth restriction. Poor trophoblast invasion may be a consequence of, or be associated with, abnormal Doppler indices. OBJECTIVE: To evaluate in vitro trophoblast function following exposure to first-trimester serum from pregnancies with high uterine artery Doppler resistance indices. METHODS: Doppler ultrasound examination of the maternal uterine arteries was performed on women at 10-14 weeks' gestation. Serum was collected from women with bilateral uterine artery notches with resistance indices above the 95th centile and from patients with normal uterine artery indices. The effect of serum on trophoblast invasion was determined using an established in vitro model from the extravillous trophoblast-derived cell line SGHPL-4. RESULTS: Trophoblastic invasion was significantly reduced when treated with serum from women with high-resistance compared with normal-resistance uterine artery Doppler indices (P < 0.05). CONCLUSION: Maternal serum in the first trimester of pregnancy from patients with high-resistance uterine artery Doppler indices appears to inhibit trophoblast invasion. This experimental model allows further investigation of factors responsible and the evaluation of therapeutic strategies. |
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Authors:
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R Ganapathy; L J Ayling; G S J Whitley; J E Cartwright; B Thilaganathan |
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Publication Detail:
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Type: Journal Article Date: 2006-01-23 |
Journal Detail:
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Title: Human reproduction (Oxford, England) Volume: 21 ISSN: 0268-1161 ISO Abbreviation: Hum. Reprod. Publication Date: 2006 May |
Date Detail:
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Created Date: 2006-04-13 Completed Date: 2006-07-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8701199 Medline TA: Hum Reprod Country: England |
Other Details:
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Languages: eng Pagination: 1295-8 Citation Subset: IM |
Affiliation:
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Biochemistry and Immunology, Division of Basic Medical Sciences, Division of Clinical Developmental Sciences, St George's University of London, London, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Arteries / ultrasonography Cell Line Cell Movement Chorionic Villi / growth & development Female Fetal Growth Retardation / blood, ultrasonography* Humans Pre-Eclampsia / blood, ultrasonography* Pregnancy Pregnancy Trimester, First / blood* Serum Trophoblasts / cytology, physiology* Ultrasonography, Doppler Uterus / blood supply*, ultrasonography Vascular Resistance* |
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