Evidence map›Paper›PMID 26857235›Full record

ArticleCytotherapy2016

Ex vivo virotherapy with myxoma virus does not impair hematopoietic stem and progenitor cells.

Nancy Y Villa, Swarna Bais, Winnie M Chan, Amy M Meacham, Elizabeth Wise, Masmudur M Rahman, Jan S Moreb, Emma H Rosenau, John R Wingard, Grant McFadden and 1 more

Abstract read
In one paragraph

Article in Cytotherapy, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

22 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  15. Antiviral resistance of stem cells.Current opinion in immunology · 2019
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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.

Nancy Y VillaDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Swarna BaisDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Winnie M ChanDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Amy M MeachamDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Elizabeth WiseDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Masmudur M RahmanDepartment of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, Florida, USA.
Jan S MorebDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Emma H RosenauDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
John R WingardDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA.
Grant McFaddenDepartment of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, Florida, USA.
Christopher R CogleDivision of Hematology & Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA. Electronic address: christopher.cogle@medicine.ufl.edu.

Funding

Using social networks to map and evaluate team science across CTSA hubsUL1TR001427 · NCATS · UNIVERSITY OF FLORIDA · PI MITCHELL, DUANE A. · 2015 to 2024
$37.2M
Myxoma Virus (MV) Oncolysis for treating human cancerR01CA138541 · NCI · UNIVERSITY OF FLORIDA · PI MCFADDEN, GRANT · 2010 to 2014
$1.5M
NCATS NIH HHS UL1 TR001427NCI NIH HHS R01 CA138541
6 · The paper itself

Abstract

backgroundRelapsing disease is a major challenge after hematopoietic cell transplantation for hematological malignancies. Myxoma virus (MYXV) is an oncolytic virus that can target and eliminate contaminating cancer cells from auto-transplant grafts. The aims of this study were to examine the impact of MYXV on normal hematopoietic stem and progenitor cells and define the optimal treatment conditions for ex vivo virotherapy.

methodsBone marrow (BM) and mobilized peripheral blood stem cells (mPBSCs) from patients with hematologic malignancies were treated with MYXV at various time, temperature and incubation media conditions. Treated BM cells from healthy normal donors were evaluated using flow cytometry for MYXV infection, long-term culture-initiating cell (LTC-IC) assay and colony-forming cell (CFC) assay.

resultsMYXV initiated infection in up to 45% of antigen-presenting monocytes, B cells and natural killer cells; however, these infections were uniformly aborted in >95% of all cells. Fresh graft sources showed higher levels of MYXV infection initiation than cryopreserved specimens, but in all cases less than 10% of CD34(+) cells could be infected after ex vivo MYXV treatment. MYXV did not impair LTC-IC colony numbers compared with mock treatment. CFC colony types and numbers were also not impaired by MYXV treatment. MYXV incubation time, temperature or culture media did not significantly change the percentage of infected cells, LTC-IC colony formation or CFC colony formation.

conclusionsHuman hematopoietic cells are non-permissive for MYXV. Human hematopoietic stem and progenitor cells were not infected and thus unaffected by MYXV ex vivo treatment.

Indexed as

AdultAntigens, CD34AutograftsBone MarrowBone Marrow CellsCell Culture TechniquesCells, CulturedCell SeparationFemaleHematologic NeoplasmsHematopoietic Stem CellsHematopoietic Stem Cell TransplantationHumansMaleMyxoma virusNeoplasm Recurrence, LocalAntigens, CD34bone marrowmobilized peripheral stem cell bloodmyxoma viruspurgingvirotherapy

Identifiers

PMID26857235
PMCPMC4748395

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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.