Studies on Differentiation-Inducing Activities of Triterpenes.

1 January 1992

journal article
Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN

Vol. 40 (2) , 401-405
https://doi.org/10.1248/cpb.40.401

Abstract

Differentiation-inducing activity of over 180 extracts of crude drugs and plants was tested using mouse myeloid leukemia cell line (M1). The methanol extracts of clove (Syzygium aromaticum Merrill et Perry, Myrtaceae) showed remarkable induction of differentiation of M1 cells into macrophage-like cells. From the extract, oleanolic acid (1) and crategolic acid (2) were isolated as the active components. We also tested other triterpenes, such as oleananes, ursanes and dammaranes, to investigate the structure-activity relationship. Some triterpene aglycones showed differentiation-inducing activity, but triterpene glycosides showed little activity. Furthermore, the differentiation-inducing activity of these triterpene compounds was tested against human acute promyelocytic leukemia cell line (HL-60).

Keywords

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