Evidence map›Paper›PMID 20647263›Full record

ReviewMolecular human reproduction2010

Nitric oxide synthases and tubal ectopic pregnancies induced by Chlamydia infection: basic and clinical insights.

Ruijin Shao, Sean X Zhang, Birgitta Weijdegård, Shien Zou, Emil Egecioglu, Anders Norström, Mats Brännström, Håkan Billig

Open access · hybridAbstract readReview
In one paragraph

Review in Molecular human reproduction, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.3field-weighted citation impact, top 20% 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

10 citing papers in PubMed, 30 citations in OpenAlex.

  1. Article
  2. Frontiers in neuroscience · 2024
    Review
  3. Evidence of Nitric Oxide Impairment During Hypertensive Pregnancies.Advances in experimental medicine and biology · 2023
    Review
  4. Evaluation of Oxidative Stress in Ectopic Pregnancies.Acta bio-medica : Atenei Parmensis · 2022
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Linking DNA methylation to the onset of human tubal ectopic pregnancy.American journal of translational research · 2013
    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

8 authors at 3 institutions in 3 countries.

Ruijin ShaoDepartment of Physiology/Endocrinology, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden. ruijin.shao@fysiologi.gu.se
Sean X Zhang
Birgitta Weijdegård
Shien Zou
Emil Egecioglu
Anders Norström
Mats Brännström
Håkan Billig
University of Gothenburg · SEObstetrics and Gynecology Hospital of Fudan University · CNToronto Public Health · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Human ectopic pregnancy (EP) remains a common cause of pregnancy-related first trimester death. Nitric oxide (NO) is synthesized from L-arginine by three NO synthases (NOS) in different tissues, including the Fallopian tube. Studies of knockout mouse models have improved our understanding of the function of NOS isoforms in reproduction, but their roles and specific mechanisms in infection-induced tubal dysfunction have not been fully elucidated. Here, we provide an overview of the expression, regulation and possible function of NOS isoforms in the Fallopian tube, highlighting the effects of infection-induced changes in the tubal cellular microenvironment (imbalance of NO production) on tubal dysfunction and the potential involvement of NOS isoforms in tubal EP after Chlamydia trachomatis genital infection. The non-equivalent regulation of tubal NOS isoforms during the menstrual cycle suggests that endogenous ovarian steroid hormones regulate NOS in an isoform-specific manner. The current literature suggests that infection with C. trachomatis induces an inflammatory response that eventually leads to tubal epithelial destruction and functional impairment, caused by a high NO output mediated by inducible NOS (iNOS). Therefore, tissue-specific therapeutic approaches to suppress iNOS expression may help to prevent ectopic implantation in patients with prior C. trachomatis infection of the Fallopian tube.

Indexed as

Chlamydia trachomatisAnimalsCattleChlamydia InfectionsFallopian Tube DiseasesFallopian TubesFemaleGene Expression RegulationHumansIsoenzymesMiceNitric Oxide SynthasePregnancyPregnancy Complications, InfectiousPregnancy, EctopicRatsIsoenzymesNitric Oxide Synthase

Identifiers

PMID20647263
PMCPMC2989829
OpenAlexW2139352904

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.