Evidence map›Paper›PMID 25758616›Full record

ArticleThe journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians2016

Umbilical cord prostaglandins in term and preterm parturition.

Joon-Seok Hong, Roberto Romero, Deug-Chan Lee, Nandor Gabor Than, Lami Yeo, Piya Chaemsaithong, Soyeon Ahn, Jung-Sun Kim, Chong Jai Kim, Yeon Mee Kim

Open access · greenAbstract read
In one paragraph

Article in The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.7field-weighted citation impact, top 28% 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

9 citing papers in PubMed, 14 citations in OpenAlex.

  1. Trial
  2. Article
  3. Article
  4. Preterm labor is characterized by a high abundance of amniotic fluid prostaglandins in patients with intra-amniotic infection or sterile intra-amniotic inflammation.The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2021
    Article
  5. Article
  6. The Metabolomic Signature of the Placenta in Spontaneous Preterm Birth.International journal of molecular sciences · 2020
    Article
  7. Review
  8. Article
  9. Evidence of perturbations of the cytokine network in preterm labor.American journal of obstetrics and gynecology · 2015
    Article
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

10 authors at 7 institutions in 2 countries.

Joon-Seok Honga Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Roberto Romeroa Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Deug-Chan Leea Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Nandor Gabor Thana Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Lami Yeoa Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Piya Chaemsaithonga Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Soyeon Ahng Medical Research Collaborating Center, Seoul National University Bundang Hospital , Gyeonggi-do , Republic of Korea .
Jung-Sun Kimh Department of Pathology , Samsung Medical Center, Sungkyunkwan University School of Medicine , Seoul , Republic of Korea .
Chong Jai Kima Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Yeon Mee Kima Perinatology Research Branch, NICHD/NIH/DHHS , Bethesda, MD, and Detroit , MI , USA .
Eunice Kennedy Shriver National Institute of Child Health and Human Development · USUnited States Department of Health and Human Services · USKangwon National University · KRSamsung Medical Center · KRSeoul National University Bundang Hospital · KRUlsan College · KRWayne State University · US

Funding

The Role Of Subclinical Infection And Cytokines In Preterm ParturitionZIAHD002400 · NICHD · EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT · PI ROMERO, ROBERTO · 2009 to 2025
$254.4M
Intramural NIH HHS ZIA HD002400
6 · The paper itself

Abstract

objectiveProstaglandins (PGs) are considered the universal mediators of parturition. Amniotic fluid PGE2 and PGF2α concentrations increase before the onset of spontaneous labor at term, as well as during labor. This study was conducted to determine if the concentrations of umbilical cord PGE2 and PGF2α change with advancing gestational age, spontaneous labor at term, and preterm labor (with and without funisitis).

methodsUmbilical cord (UC) tissue samples were obtained from women (N = 158) with singleton pregnancies in the following groups: (1) term deliveries without labor (TNL; n = 20); (2) term deliveries with labor (TIL; n = 20); (3) spontaneous preterm deliveries (sPTD) with (n = 20) and without acute funisitis (n = 20); and (4) preeclampsia without labor (n = 78). The concentrations of PGs were determined in different locations of the UC. PGE2 and PGF2α were measured by specific immunoassays. Non-parametric statistics were used for analysis.

results(1) In spontaneous preterm deliveries, the median UC PGE2 concentration was higher in cases with funisitis than in those without funisitis (233.7 pg/µg versus 87.4 pg/µg of total protein, p = 0.001); (2) the median UC PGE2 concentration in sPTD with funisitis was also higher than that obtained from samples who had undergone labor at term (233.7 pg/µg versus 116.1 pg/µg of total protein, p = 0.03); (3) the UC PGE2 and PGF2α concentration increased as a function of advancing gestational age before 36 weeks (PGE2: ρ = 0.59, p < 0.001; PGF2α: ρ = 0.39, p = 0.01), but not after 36 weeks (PGE2: ρ = -0.1, p = 0.5; PGF2α: ρ = -0.2, p = 0.2); (4) the median UC concentrations of PGE2 and PGF2α at term was similar in samples obtained from women with and without labor (PGE2: TNL 133.7 pg/µg versus TIL 116.1 pg/µg of total protein, p = 0.9; PGF2α: TNL 8.4 pg/µg versus TIL 8.1 pg/µg of total protein, p = 0.7); and (5) there was no correlation between UC PG concentration and gestational age at term pregnancy (PGE2: ρ = 0.01, p = 0.9; PGF2α: ρ = 0.07, p = 0.7).

conclusions(1) PGE2 concentrations in the UC are higher in the presence of acute funisitis than in the absence of this lesion; (2) spontaneous labor at term was not associated with a change in the UC concentration of PGE2 and PGF2α; and (3) the UC concentrations of PGE2 and PGF2α increased as a function of gestational age. We propose that UC PGs act as inflammatory mediators generated in the context of fetal systemic inflammation.

Indexed as

Premature BirthTerm BirthAdultChorioamnionitisDinoprostoneFemaleGestational AgeHumansLabor, ObstetricMalePre-EclampsiaPregnancyUmbilical CordDinoprostoneChorioamnionitiseicosanoidsfunisitisintra-amniotic inflammationmicrobial invasion of the amniotic cavityPGE2PGF2αpreeclampsiapregnancy

Identifiers

PMID25758616
PMCPMC5769685
OpenAlexW2058652622

What OpenQuestion holds

Textmetadata
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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.