when bdf1 mice were subcutaneously treated with a single dose of 100 micrograms of mdp-lys ( l18 ) , an increase in the number of peripheral blood leukocytes , a rise in the serum levels of colony-stimulating factor ( csf ) , proliferation of multipotential stem cells in the bone marrow and the spleen , and an expansion of granulocyte-macrophage progenitors in the bone marrow were observed .
C0009392
colony-stimulating factor
C0005953
bone marrow