Evidence map›Paper›PMID 21316642›Full record

ArticleAmerican journal of obstetrics and gynecology2011

Accreta complicating complete placenta previa is characterized by reduced systemic levels of vascular endothelial growth factor and by epithelial-to-mesenchymal transition of the invasive trophoblast.

Mark J Wehrum, Irina A Buhimschi, Carolyn Salafia, Stephen Thung, Mert O Bahtiyar, Erica F Werner, Katherine H Campbell, Christine Laky, Anna K Sfakianaki, Guomao Zhao and 2 more

Open access · greenAbstract read
In one paragraph

Article in American journal of obstetrics and gynecology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
5.2field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 115 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 1 institution in 1 country.

Mark J WehrumDepartment of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA. mark.j.wehrum@us.army.mil
Irina A Buhimschi
Carolyn Salafia
Stephen Thung
Mert O Bahtiyar
Erica F Werner
Katherine H Campbell
Christine Laky
Anna K Sfakianaki
Guomao Zhao
Edmund F Funai
Catalin S Buhimschi
Yale University · US

Funding

A PROTEOMICS COMPUTATIONAL APPROACH TO PRETERM DELIVERYR01HD047321 · NICHD · YALE UNIVERSITY · PI BUHIMSCHI, IRINA A · 2004 to 2008
$1.8M
Mechanisms of myometrial healing and regenerationR03HD050249 · NICHD · YALE UNIVERSITY · PI BUHIMSCHI, CATALIN · 2005 to 2006
$162k
NICHD NIH HHS K12 HD 1027766NICHD NIH HHS R01 HD 047321NICHD NIH HHS R01 HD047321NICHD NIH HHS R03 HD050249NICHD NIH HHS R03 HD 50249
6 · The paper itself

Abstract

objectiveWe sought to characterize serum angiogenic factor profile of women with complete placenta previa and determine if invasive trophoblast differentiation characteristic of accreta, increta, or percreta shares features of epithelial-to-mesenchymal transition. STUDY

designWe analyzed gestational age-matched serum samples from 90 pregnant women with either complete placenta previa (n = 45) or uncomplicated pregnancies (n = 45). Vascular endothelial growth factor (VEGF), placental growth factor, and soluble form of fms-like-tyrosine-kinase-1 were immunoassayed. VEGF and phosphotyrosine immunoreactivity was surveyed in histological specimens relative to expression of vimentin and cytokeratin-7.

resultsWomen with previa and invasive placentation (accreta, n = 5; increta, n = 6; percreta, n = 2) had lower systemic VEGF (invasive previa: median 0.8 [0.02-3.4] vs control 6.5 [2.7-10.5] pg/mL, P = .02). VEGF and phosphotyrosine immunostaining predominated in the invasive extravillous trophoblasts that coexpressed vimentin and cytokeratin-7, an epithelial-to-mesenchymal transition feature and tumorlike cell phenotype.

conclusionLower systemic free VEGF and a switch of the interstitial extravillous trophoblasts to a metastable cell phenotype characterize placenta previa with excessive myometrial invasion.

Indexed as

AdultCase-Control StudiesEpithelial-Mesenchymal TransitionFemaleHumansKeratin-7PhosphotyrosinePlacenta AccretaPlacenta Growth FactorPlacenta PreviaPregnancyPregnancy ProteinsTrophoblastsVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-1VimentinKeratin-7PGF protein, humanPhosphotyrosinePlacenta Growth FactorPregnancy ProteinsVascular Endothelial Growth Factor AVascular Endothelial Growth Factor Receptor-1Vimentin

Identifiers

PMID21316642
PMCPMC3136625
OpenAlexW2046996292

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.