Evidence map›Paper›PMID 25245499›Full record

ArticleMolecular psychiatry2015

Imaging of activated complement using ultrasmall superparamagnetic iron oxide particles (USPIO)--conjugated vectors: an in vivo in utero non-invasive method to predict placental insufficiency and abnormal fetal brain development.

G Girardi, J Fraser, R Lennen, R Vontell, M Jansen, G Hutchison

Open access · hybridAbstract read
In one paragraph

Article in Molecular psychiatry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
3.9field-weighted citation impact, top 7% 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

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Fetal programming of human energy homeostasis brain networks: Issues and considerations.Obesity reviews : an official journal of the International Association for the Study of Obesity · 2022
    Review
  5. Review
  6. Review
  7. Fetotoxicity of Nanoparticles: Causes and Mechanisms.Nanomaterials (Basel, Switzerland) · 2021
    Review
  8. Review
  9. Article
  10. Article
  11. Complement activation, a threat to pregnancy.Seminars in immunopathology · 2018
    Review
  12. Article
  13. Review
  14. 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

6 authors at 3 institutions in 1 country.

G Girardi1] MRC Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK [2] Lupus Research Unit, The Rayne Institute, King's College London St Thomas' Hospital, London, UK.
J FraserCentre for Nano Safety, Napier University Edinburgh, Edinburgh, UK.
R LennenBHF/University Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK.
R VontellCentrer for the Developing Brain, Division of Imaging Sciences and Biomedical Engineering, The Rayne Institute, King's College London, St Thomas' Hospital, London, UK.
M JansenBHF/University Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK.
G HutchisonCentre for Nano Safety, Napier University Edinburgh, Edinburgh, UK.
Edinburgh Napier University · GBSt Thomas' Hospital · GBUniversity of Edinburgh · GB

Funding

Medical Research Council G1002033Wellcome Trust
6 · The paper itself

Abstract

In the current study, we have developed a magnetic resonance imaging-based method for non-invasive detection of complement activation in placenta and foetal brain in vivo in utero. Using this method, we found that anti-complement C3-targeted ultrasmall superparamagnetic iron oxide (USPIO) nanoparticles bind within the inflamed placenta and foetal brain cortical tissue, causing a shortening of the T2* relaxation time. We used two mouse models of pregnancy complications: a mouse model of obstetrics antiphospholipid syndrome (APS) and a mouse model of preterm birth (PTB). We found that detection of C3 deposition in the placenta in the APS model was associated with placental insufficiency characterised by increased oxidative stress, decreased vascular endothelial growth factor and placental growth factor levels and intrauterine growth restriction. We also found that foetal brain C3 deposition was associated with cortical axonal cytoarchitecture disruption and increased neurodegeneration in the mouse model of APS and in the PTB model. In the APS model, foetuses that showed increased C3 in their brains additionally expressed anxiety-related behaviour after birth. Importantly, USPIO did not affect pregnancy outcomes and liver function in the mother and the offspring, suggesting that this method may be useful for detecting complement activation in vivo in utero and predicting placental insufficiency and abnormal foetal neurodevelopment that leads to neuropsychiatric disorders.

Indexed as

AnimalsAntibodies, AntiphospholipidAntiphospholipid SyndromeAnxietyBrainComplement C3Contrast MediaDisease Models, AnimalFemaleFerric CompoundsLipopolysaccharidesLiverMagnetic Resonance ImagingMice, Inbred C57BLMotor ActivityNanoparticlesAntibodies, AntiphospholipidComplement C3Contrast MediaFerric Compoundsferric oxidelipopolysaccharide ALipopolysaccharides

Identifiers

PMID25245499
PMCPMC4288949
OpenAlexW1988837024

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.