In childhood acute lymphoblastic leukemia, blasts at different stages of immunophenotypic maturation have stem cell properties

  • Christoph le Viseur
  • , Marc Hotfilder
  • , Simon Bomken
  • , Kerrie Wilson
  • , Silja Roettgers
  • , Andre Schrauder
  • , Annegret Rosemann
  • , Julie Irving
  • , Ronald W. Stam
  • , Leonard D. Shultz
  • , Jochen Harbott
  • , Heribert Juergens
  • , Martin Schrappe
  • , Rob Pieters
  • , Josef Vormoor*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

241 Citations (Scopus)

Abstract

We examined the leukemic stem cell potential of blasts at different stages of maturation in childhood acute lymphoblastic leukemia (ALL). Human leukemic bone marrow was transplanted intrafemorally into NOD/scid mice. Cells sorted using the B precursor differentiation markers CD19, CD20, and CD34 were isolated from patient samples and engrafted mice before serial transplantation into primary or subsequent (up to quaternary) recipients. Surprisingly, blasts representative of all of the different maturational stages were able to reconstitute and reestablish the complete leukemic phenotype in vivo. Sorted blast populations mirrored normal B precursor cells with transcription of a number of stage-appropriate genes. These observations inform a model for leukemia-propagating stem cells in childhood ALL.

Original languageEnglish
Pages (from-to)47-58
Number of pages12
JournalCancer cell
Volume14
Issue number1
DOIs
Publication statusPublished - Jul-2008

Keywords

  • ACUTE MYELOID-LEUKEMIA
  • PRIMITIVE HEMATOPOIETIC-CELL
  • MINIMAL RESIDUAL DISEASE
  • HUMAN PRECURSOR-B
  • NOD-SCID MICE
  • INTRAFEMORAL TRANSPLANTATION
  • EXPRESSION
  • CHILDREN
  • GROWTH
  • IG

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