PMID: 3384029Jan 1, 1988Paper

Alterations of cell cycle distribution in the bone marrow of aging mice measured by flow cytometry

Experimental Gerontology
O Sletvold, O D Laerum

Abstract

The effect of aging on the cell cycle distribution in bone marrow cells was measured by flow cytometry with special reference to the lability in bone marrow physiology. Female C3H mice were examined every 3 h during a 24-h period at the age of 16, 21 and 26 months, vs 3-month-old control mice. Considerable circadian fluctuations were found in the different cell cycle phases in young mice. The rhythmicity patterns were different when comparing different months. In aging mice the variations were dampened, while consistent age-related phase shifts were not seen. The maximal 24-h mean numbers of cells in all three cell phases, but especially the S and G2 phases were reached at 21 months. The relative number of S and G2 phases were significantly reduced in 26-month-old mice, indicating an age-related shift of the proliferative capacity. The present findings are discussed in relation to age-related changes in granulopoiesis and the increase of myelotoxic effects during cancer chemotherapy in aging individuals.

References

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Citations

Jan 1, 1988·Mechanisms of Ageing and Development·O SletvoldT Riise
Apr 23, 2009·Journal of Cellular Biochemistry·Jeffrey M GimbleBruce A Bunnell
Dec 6, 2005·Journal of Pharmacological Sciences·Atsushi YamauchiShigehiro Ohdo
Sep 1, 1993·Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research·T T GlantJ O Galante
Sep 1, 1988·European Journal of Haematology·O Sletvold, O D Laerum

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