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Poor mobilization of autologous CD34(+) peripheral blood stem cells in haematology patients undergoing autologous stem cell transplantation is associated with the presence of variants in genes implicated in clonal haematopoiesis of indeterminant potential

Abstract

Clonal haematopoiesis of indeterminant potential (CHIP) increases in frequency with age. The effect of CHIP on the mobilization of autologous CD34+ peripheral blood stem cells (PBSC) has not been reported. This study uses a DNA-based targeted candidate gene approach to identify the presence of somatic mutations in ASXL1, DNMT3A, JAK2, SF3B1, TET2 and TP53 in CD34+ haematopoietic progenitor cell-apheresis products of 96 patients who undergo PBSC mobilization for autologous stem cell transplantation (ASCT). Variants were identified in a significantly greater proportion of patients who experience poor CD34+ PBSC mobilization. A DNA-based targeted candidate gene array is able to predict poor CD34+ PBSC mobilization and may be deployed pre-emptively to minimize mobilization and graft failures.

Type Journal
ISBN 1365-2141 (Electronic) 0007-1048 (Linking)
Authors Gifford, G.; Hesson, L.; Wong, J. W. H.; Carroll, A.; Gabrielli, S.; Bai, L.; Xia, W.; Stevenson, W.; Greenwood, M.
Responsible Garvan Author A/Prof Luke Hesson
Publisher Name BRITISH JOURNAL OF HAEMATOLOGY
Published Date 2021-05-31
Published Volume 193
Published Issue 4
Published Pages 841-844
Status Published in-print
DOI 10.1111/bjh.17316
URL link to publisher's version https://www.ncbi.nlm.nih.gov/pubmed/33481245