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Derivatives of Dictyostelium Differentiation-Inducing Factors Inhibit Lysophosphatidic Acid-Stimulated Migration of Murine Osteosarcoma LM8 Cells

Derivatives of Dictyostelium Differentiation-Inducing Factors Inhibit Lysophosphatidic Acid-Stimulated Migration of Murine Osteosarcoma LM8 Cells

Yuzuru Kubohara, Mayumi Komachi, Yoshimi Homma, Haruhisa Kikuchi, Yoshiteru Oshima

Biochem Biophys Res Commun. 2015 Aug 7;463(4):800-5.

PMID: 26056940

Abstract:

Osteosarcoma is a common metastatic bone cancer that predominantly develops in children and adolescents. Metastatic osteosarcoma remains associated with a poor prognosis; therefore, more effective anti-metastatic drugs are needed. Differentiation-inducing factor-1 (DIF-1), -2, and -3 are novel lead anti-tumor agents that were originally isolated from the cellular slime mold Dictyostelium discoideum. Here we investigated the effects of a panel of DIF derivatives on lysophosphatidic acid (LPA)-induced migration of mouse osteosarcoma LM8 cells by using a Boyden chamber assay. Some DIF derivatives such as Br-DIF-1, DIF-3(+2), and Bu-DIF-3 (5-20 μM) dose-dependently suppressed LPA-induced cell migration with associated IC50 values of 5.5, 4.6, and 4.2 μM, respectively. On the other hand, the IC50 values of Br-DIF-1, DIF-3(+2), and Bu-DIF-3 versus cell proliferation were 18.5, 7.2, and 2.0 μM, respectively, in LM8 cells, and >20, 14.8, and 4.3 μM, respectively, in mouse 3T3-L1 fibroblasts (non-transformed). Together, our results demonstrate that Br-DIF-1 in particular may be a valuable tool for the analysis of cancer cell migration, and that DIF derivatives such as DIF-3(+2) and Bu-DIF-3 are promising lead anti-tumor agents for the development of therapies that suppress osteosarcoma cell proliferation, migration, and metastasis.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP113411179	DIF-3		113411-17-9	Price
AP118191303	Br-DIF-1		118191-30-3	Price

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