A practical miniature long-term bone marrow culture system for investigating early myelodysplasia

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Abstract

A method was devised to grow haemopoietic cells in long-term bone marrow culture (LTBMC) which requires only 1 x 10(6) cells/culture. Such miniature cultures were used to study growth patterns of marrow from patients with myelodysplastic syndromes (MDS). Consistent differences in LTBMC cellularity and cellular composition were noted between MDS and normal marrow. These differences were accentuated by rGM-CSF. The criteria which distinguished between and MDS marrows were: cell count at weeks 1 and 4, % neutrophils and % blasts. In 10 patients with unexplained macrocytosis or pancytopenia miniature LTBMC results clearly segregated into either 'normal' or 'MDS' growth patterns. Miniature LTBMC with rGM-CSF may therefore be a useful diagnostic test for early MDS.
Original languageEnglish
Pages (from-to)737-41
Number of pages5
JournalLeukemia research
Volume16
Issue number8
DOIs
Publication statusPublished - Aug 1992

Keywords

  • Adult
  • Analysis of Variance
  • Bone Marrow
  • Cells, Cultured
  • Colony-Forming Units Assay
  • Female
  • Granulocyte-Macrophage Colony-Stimulating Factor
  • Hematopoietic Stem Cells
  • Humans
  • Male
  • Middle Aged
  • Myelodysplastic Syndromes
  • Predictive Value of Tests
  • Recombinant Proteins
  • Time Factors

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