Evidence map›Paper›PMID 31915068›Full record

ArticleStem cell research & therapy2020

Neurovascular effects of umbilical cord blood-derived stem cells in growth-restricted newborn lambs : UCBCs for perinatal brain injury.

Atul Malhotra, Margie Castillo-Melendez, Beth J Allison, Amy E Sutherland, Ilias Nitsos, Yen Pham, Courtney A McDonald, Michael C Fahey, Graeme R Polglase, Graham Jenkin and 1 more

Open access · goldAbstract read
In one paragraph

Article in Stem cell research & therapy, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 8% 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

23 citing papers in PubMed, 1 synthesis or guideline pooled it, 30 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

11 authors at 1 institution in 1 country.

Atul MalhotraMonash Newborn, Monash Children's Hospital, 246 Clayton Road, Clayton, Melbourne, VIC, 3168, Australia. atul.malhotra@monash.edu.ORCID 0000-0001-9664-4182
Margie Castillo-MelendezThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Beth J AllisonThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Amy E SutherlandThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Ilias NitsosThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Yen PhamThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Courtney A McDonaldThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Michael C FaheyDepartment of Paediatrics, Monash University, Melbourne, Australia.
Graeme R PolglaseThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Graham JenkinThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Suzanne L MillerThe Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.
Hudson Institute of Medical Research · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNeonatal ventilation exacerbates brain injury in lambs with fetal growth restriction (FGR), characterized by neuroinflammation and reduced blood-brain barrier integrity, which is normally maintained by the neurovascular unit. We examined whether umbilical cord blood stem cell (UCBC) treatment stabilized the neurovascular unit and reduced brain injury in preterm ventilated FGR lambs.

methodsSurgery was performed in twin-bearing pregnant ewes at 88 days' gestation to induce FGR in one fetus. At 127 days, FGR and appropriate for gestational age (AGA) lambs were delivered, carotid artery flow probes and umbilical lines inserted, lambs intubated and commenced on gentle ventilation. Allogeneic ovine UCBCs (25 × 10

resultsFGR (n = 6) and FGR+UCBC (n = 6) lambs were growth restricted compared to AGA (n = 6) and AGA+UCBC (n = 6) lambs (combined weight, FGR 2.3 ± 0.4 vs. AGA 3.0 ± 0.3 kg; p = 0.0002). UCBC therapy did not alter mean arterial blood pressure or carotid blood flow but decreased cerebrovascular resistance in FGR+UCBC lambs. Circulating TNF-α cytokine levels were lower in FGR+UCBC vs. FGR lambs (p < 0.05). Brain histopathology showed decreased neuroinflammation and oxidative stress, increased endothelial cell proliferation, pericyte stability, and greater integrity of the neurovascular unit in FGR+UCBC vs. FGR lambs.

conclusionsUmbilical cord blood stem cell therapy mitigates perinatal brain injury due to FGR and ventilation, and the neuroprotective benefits may be mediated by stabilization of the neurovascular unit.

Indexed as

AnimalsAnimals, NewbornBrain InjuriesFetal BloodPerinatal CareSheepStem CellsBrain injuryFGRIntrauterine growth restrictionIUGRPretermVentilation

Identifiers

PMID31915068
PMCPMC6947982
OpenAlexW3004348091

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.