Home Bratislava Medical Journal 2020 Bratislava Medical Journal Vol.121, No.7, p.499–503,2020

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.564


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Bratislava Medical Journal Vol.121, No.7, p.499–503,2020

Title: Alzheimer’s drug Memantine inhibits metastasis and p-Erk protein expression on 4T1 breast cancer cells
Author: G. Albayrak, F. D. Korkmaz

Abstract: OBJECTIVES: Drug repurposing studies enable shorter routes to the clinic by skipping the steps like in vitro  in vivo screening, chemical optimization and toxicological studies. In our study, we investigated the potent anti-cancer effect of Alzheimer’s drug Memantine on 4T1 breast cancer cells.
METHODS: Memantine’s effect on proliferation of 4T1 cells was evaluated by using the MTT assay. Memantine inhibited 4T1 cell proliferation in a concentration- dependent manner at 24 and 48 hours. We investigated the drug’s effect on the protein expressions of Bax, Bcl-2, Casp-3, Casp-9, E-Cad, Vimentin, B-Cat, GSK3B, p-ERK, ERK, p-GS, GS that are involved in apoptosis, metastasis and cell survival.
RESULTS: Memantine altered the Bcl-2, Bax, Casp3, Casp-9 apoptotic protein expression levels. We found that memantine inhibited p-Erk expression and that result suggested a plausible mechanism of action for memantine’s antineoplastic effect. Memantine also inhibited wound closure at 24 h, significantly (p = 0.0055).
CONCLUSIONS: Memantine inhibited 4T1 breast cancer cell proliferation at significantly lower doses than mostly studied re-purposed drug Metformin. Therefore, we believe that memantine might hold a great promise as a new repositioned drug in cancer treatment and it is our further interest to investigate its effects in vivo (Fig. 3, Ref. 22).

Keywords: Memantine, anti-cancer, drug re-purposing
Published online: 25-Jun-2020
Year: 2020, Volume: 121, Issue: 7 Page From: 499, Page To: 503

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