ArticleExperimental hematology2014
No evidence of clonal dominance after transplant of HOXB4-expanded cord blood cells in a nonhuman primate model.
Article in Experimental hematology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Auto-expansion ofMolecular therapy. Methods & clinical development · 2024Article
- Lentivirus-mediated Gene Transfer in Hematopoietic Stem Cells Is Impaired in SHIV-infected, ART-treated Nonhuman Primates.Molecular therapy : the journal of the American Society of Gene Therapy · 2015Article
Corrections and comments
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Authors and funding
8 authors at 5 institutions in 3 countries.
Funding
Abstract
Umbilical cord blood transplant continues to increase in prevalence as a treatment option for various hematopoietic and immune disorders. Because of the limited number of cells available in a single cord blood unit, investigators have explored methods of increasing cell dose before transplant, including overexpression of the homeobox B4 (HOXB4) transcription factor. We have previously reported the development of leukemia in several nonhuman primate (NHP) subjects transplanted with HOXB4-expanded bone marrow cells at approximately 2 years posttransplant. Here, we provide long-term data for a NHP receiving a HOXB4-expanded cord blood graft. Longitudinal follow-up included gene marking analysis, complete blood counts, morphologic/pathologic assessment, phenotypic analysis of subsets, and retroviral integration site analysis. In each of these independent assays, we saw no indication of clonal dominance, and all signs pointed toward normal, healthy hematopoiesis. Furthermore, in-depth clonal analysis of an animal that developed leukemia after transplantation of HOXB4-modified bone marrow cells showed that dominant clones could be detected as early as 6 months posttransplant using the genomic analysis technique detailed here. Parallel analysis of the cord blood transplant macaque showed no such sites. These findings demonstrate the ability to study the use of gene-modified and expanded cord blood cells in a NHP model.
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