PMID: 8598232Mar 1, 1996Paper

Flow cytometric measurement of DNA S-phase in human bone marrow cells: correcting for peripheral blood contamination

European Journal of Haematology
J F AbrahamsenO D Laerum

Abstract

The relationship between bone marrow (BM) cells with S-phase DNA content and the amount of peripheral blood contamination estimated as percentage lymphocytes+monocytes (L+MO) present in BM samples has been investigated in a total of 136 BM aspirates and biopsy expellates from 35 hematologically healthy individuals. A significant negative correlation was demonstrated between total, erythroid and myeloid BM cells in S-phase and the percentage of L+MO in the aspirates (r=0.84, 0.57 and 0.49, respectively; p<0.0001). Based on the equation of the slope of the regression line, a correction formula adjusting the measured value of BM cells in S-phase to varying amounts of L+MO percentage has been worked out for the total and erythroid BM cells. In contrast, highly proliferating myelomonocytic cells and CD34+ cells did not show any significant correlation between cells in S-phase and percentage L+MO, indicating that peripheral blood contamination of BM aspirates estimates the degree of peripheral blood contamination, as well as make possible a correct estimation of the DNA synthesis of several BM populations. The method is especially applicable when frequent BM sampling is required.

References

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Citations

Apr 19, 2002·Chronobiology International·Rune SmaalandJenny Foss Abrahamsen
May 1, 1997·European Journal of Haematology·J F AbrahamsenO D Laerum

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