Evidence map›Paper›PMID 32089448›Full record

Trial reportCytotherapy2020

Rapid reconstitution of regulatory T-cell subsets is associated with reduced rates of acute graft-versus-host disease and absence of viremia after cord blood transplantation in children with reduced-intensity conditioning using alemtuzumab.

Xiaohua Chen, Memphis Hill, Mark Vander Lugt, Maria Escolar, Zhou Fang, Wei Chen, Paul Szabolcs

Erratum issuedOpen access · greenAbstract readClinical Trial
In one paragraph

Trial report in Cytotherapy, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.1field-weighted citation impact, top 55% 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

3 citing papers in PubMed, 4 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Xiaohua ChenDivision of Blood and Marrow Transplantation and Cellular Therapy.
Memphis HillDivision of Blood and Marrow Transplantation and Cellular Therapy.
Mark Vander LugtDivision of Blood and Marrow Transplantation and Cellular Therapy.
Maria EscolarDivision of Neurodevelopment in Rare Disorders.
Zhou FangDivision of Pulmonary Medicine, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center.
Wei ChenDivision of Pulmonary Medicine, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center.
Paul SzabolcsDivision of Blood and Marrow Transplantation and Cellular Therapy; Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. Electronic address: paul.szabolcs@chp.edu.
Children's Hospital of Pittsburgh · USNeuroDevelopment Center · USUniversity of Pittsburgh · US

Funding

Immune Reconstitution After Cord Blood TransplantationR01HL091749 · NHLBI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI KOMANDURI, KRISHNA V., SZABOLCS, PAUL · 2008 to 2011
$1.6M
NHLBI NIH HHS R01 HL091749
6 · The paper itself

Abstract

Forkhead box P3 (FOXP3)+ regulatory T cell (Treg) reconstitution after unrelated donor umbilical cord blood transplantation in chemotherapy-naïve children is incompletely characterized. We studied 21 children with nonmalignant diseases receiving an identical alemtuzumab-containing regimen. We hypothesized that Treg recovery may be perturbed in patients not only by acute graft-versus-host disease (aGVHD) but also by viremia. Tregs and their memory and naïve subsets were serially monitored for proliferation and apoptosis along with conventional T cells (Tcon). A "reconstitution index" (RI) was calculated relative to pretransplantation values for each parameter. At 3 months post-UCBT, the RI of Tregs was faster compared with other immune components tested and was most rapid in patients free of aGVHD and viremia. There were significantly fewer Tregs in patients experiencing grade I-II aGVHD and/or viremia, leading to an imbalance between Tregs-Tcon ratios. Central and effector memory Tregs were most affected at this time point when they dominated in the circulation. Impaired Treg proliferation without increased apoptosis accounted for the reduced Treg-Tcon ratio. In patients affected with grade II aGVHD and viremia, the overall reduction in circulating Treg pool were associated with a more oligoclonal T-cell receptor β repertoire. Taken together, aGVHD and viremia can lead to defective Treg expansion homeostasis.

Indexed as

Transplantation ConditioningAdolescentAlemtuzumabCell ProliferationChildChild, PreschoolCord Blood Stem Cell TransplantationFemaleGraft vs Host DiseaseHomeostasisHumansInfantLymphocyte SubsetsMaleReceptors, Antigen, T-Cell, alpha-betaT-Lymphocytes, RegulatoryAlemtuzumabReceptors, Antigen, T-Cell, alpha-betaacute graft-versus-host diseasealemtuzumabForkhead box P3regulatory T cellumbilical cord blood transplantation

Identifiers

PMID32089448
PMCPMC7263741
OpenAlexW3008590325

What OpenQuestion holds

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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.