Riluzole Inhibits Proliferation, Migration and Cell Cycle Progression and Induces Apoptosis in Tumor Cells of Various Origins

Anti-cancer Agents in Medicinal Chemistry
Marta Kinga LemieszekWojciech Rzeski

Abstract

Regardless of contemporary improvements in cancer treatment, the results of drug treatment are not always efficacious. Thus, the development of novel approaches that affect cancer cell-specific metabolic pathways is needed. Since much evidence has shown that tumor cell proliferation and motility are stimulated by glutamate via activation of its receptors, use of antagonists to these receptors may be the key to control cancer cell progression. Riluzole noncompetitive metabotropic glutamate receptor 1 (mGluR1) antagonist, commonly used to treat patients with amyotrophic lateral sclerosis (ALS), has shown some antineoplastic properties against melanoma, breast and prostate cancer. Yet little is known about its molecular mode of action. The current study aims at evaluating the abilities of Riluzole to inhibit proliferation of several cancer cell lines, as well as resolve the mechanism of its action. We demonstrated antiproliferative and antimigrative properties of Riluzole in rhabdomyosarcomamedulloblastoma, neuroblastoma, astrocytoma, glioma, colon cancer, lung cancer, thyroid carcinoma, leukemia, erythroleukemia and multiple myeloma. Our studies revealed apoptosis induction and G2-M cell cycle arrest in Riluzole treated A549, C6 ...Continue Reading

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