Kinetics of rebounding of lymphoid and myeloid cells in mouse peripheral blood, spleen and bone marrow after treatment with cyclophosphamide.

Cellular Immunology
M L SalemDavid J Cole

Abstract

Recently, we showed that post cyclophosphamide (CTX) microenvironment benefits the function of transferred T cells. Analysis of the kinetics of cellular recovery after CTX treatment showed that a single 4 mg/mouse CTX treatment decreased the absolute number of leukocytes in the peripheral blood (PBL) at days 3-15, and in the spleen and bone marrow (BM) at days 3-6. The absolute numbers of CD11c(+)CD11b(-) and CD11c(+)CD11b(+) dendritic cells (DCs), CD11b(+) and Ly6G(+) myeloid cells, T and B cells, CD4(+)CD25(+) T regulatory (T(reg)) cells, and NK1.1(+) cells also decreased. The cell numbers returned to control levels during the recovery phase. The absolute numbers of B cells remained low for 3 weeks. The numbers of DCs increased in PBL and spleen at day 9 but returned to control levels at day 15. These data indicate that CTX alters the cellular microenvironment in kinetics that might be precisely targeted to benefit the host.

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Citations

Oct 8, 2014·Pharmaceutical Biology·Sabry A El-NaggarHassan A Elgebaly
Jan 7, 2015·The Journal of Immunology : Official Journal of the American Association of Immunologists·Xiaoyun LuGang Zhou
Dec 11, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Wen ZhangZuisu Yang

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