Effect in Vivo of Multiple Injections of Purified Murine and Recombinant Human Macrophage Colony-stimulating Factor to Mice

Gundabhaktha Chikkappa, Hal E. Broxmeyer, Scott Cooper, Douglas E. Williams, Giao Hangoc, Michael L. Greenberg, Abdul Waheed, Richard K. Shadduck

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Hematopoietic efficacy in vivo of multiple injections of purified murine L-cell and recombinant human macrophage colony-stimulating factors (M-CSF; specific activity, >2 x 107 units/mg) was assessed in mice. Injections i.v. of sterile saline or 20,000 units of M-CSF were administered once (at 0 h), twice (at 0 and 12 h), or three times (at 0, 12, and 24 h) to C57BL/6 x DBA/2 F1 mice. Numbers and cycling rates of marrow and spleen granulocyte-macrophage, erythroid, and multipotential progenitor cells were assessed 32-36 h after the first injection. Marrow, spleen, and peripheral blood cellularity was assessed at intervals of up to 105 h. Progenitor cell cycling rates were significantly increased after one and two injections of M-CSF but were reduced to a slow or noncycling state after three injections. For marrow cells, the third injection resulted in a significant suppression of hematopoietic progenitor cell cycling compared to the control group. No significant changes were noted for number of progenitors per femur or spleen, for marrow, spleen, or peripheral blood cellularity, or for differential cell counts in these organs after any of the M-CSF treatment schedules. Suppression of progenitor cell proliferation noted after three injections of M-CSF may at least partially explain why repeated injections of 20,000 units of M-CSF fails to increase bone marrow, spleen, or blood cellularity even though one injection of M-CSF increases cycling rates of the hematopoietic progenitors.

Original languageEnglish (US)
Pages (from-to)3558-3561
Number of pages4
JournalCancer Research
Volume49
Issue number13
StatePublished - Jul 1 1989

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Macrophage Colony-Stimulating Factor
Injections
Spleen
Bone Marrow
Stem Cells
Erythroid Precursor Cells
Hematopoietic Stem Cells
Granulocytes
Femur
Appointments and Schedules
Cell Count
Macrophages
Cell Proliferation
Control Groups

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Chikkappa, G., Broxmeyer, H. E., Cooper, S., Williams, D. E., Hangoc, G., Greenberg, M. L., ... Shadduck, R. K. (1989). Effect in Vivo of Multiple Injections of Purified Murine and Recombinant Human Macrophage Colony-stimulating Factor to Mice. Cancer Research, 49(13), 3558-3561.

Effect in Vivo of Multiple Injections of Purified Murine and Recombinant Human Macrophage Colony-stimulating Factor to Mice. / Chikkappa, Gundabhaktha; Broxmeyer, Hal E.; Cooper, Scott; Williams, Douglas E.; Hangoc, Giao; Greenberg, Michael L.; Waheed, Abdul; Shadduck, Richard K.

In: Cancer Research, Vol. 49, No. 13, 01.07.1989, p. 3558-3561.

Research output: Contribution to journalArticle

Chikkappa, G, Broxmeyer, HE, Cooper, S, Williams, DE, Hangoc, G, Greenberg, ML, Waheed, A & Shadduck, RK 1989, 'Effect in Vivo of Multiple Injections of Purified Murine and Recombinant Human Macrophage Colony-stimulating Factor to Mice', Cancer Research, vol. 49, no. 13, pp. 3558-3561.
Chikkappa, Gundabhaktha ; Broxmeyer, Hal E. ; Cooper, Scott ; Williams, Douglas E. ; Hangoc, Giao ; Greenberg, Michael L. ; Waheed, Abdul ; Shadduck, Richard K. / Effect in Vivo of Multiple Injections of Purified Murine and Recombinant Human Macrophage Colony-stimulating Factor to Mice. In: Cancer Research. 1989 ; Vol. 49, No. 13. pp. 3558-3561.
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