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Tumour cell population growth inhibition and cell death induction of functionalized 6-aminoquinolone derivatives.

Authors :
Franci G
Manfroni G
Cannalire R
Felicetti T
Tabarrini O
Salvato A
Barreca ML
Altucci L
Cecchetti V
Source :
Cell proliferation [Cell Prolif] 2015 Dec; Vol. 48 (6), pp. 705-17.
Publication Year :
2015

Abstract

Objectives: A number of previous studies has provided evidence that the well-known anti-bacterial quinolones may have potential as anti-cancer drugs. The aim of this study was to evaluate potential anti-tumour activity and selectivity of a set of 6-aminoquinolones showing some chemical similarity to naphthyridone derivative CX-5461, recently described as innovative anti-cancer agent.<br />Materials and Methods: In-house quinolones 1-8 and ad hoc synthesized derivatives 9-13 were tested on Michigan Cancer Foundation-7 (MCF-7) breast cancer cells and mesenchymal progenitor (MePR2B) cell lines, analysing their effects on the cell cycle and cell death using FACS methodology. Activation of p53 was evaluated by western blotting.<br />Results: Benzyl esters 4, 5 and their amide counterparts 12, 13 drastically modulated MCF-7 cell cycles inducing DNA fragmentation and cell death, thus proving to be potential anti-tumour compounds. When assayed in non-tumour MePR2B cells, compounds 4 and 5 were cytotoxic while 12 and 13 had a certain degree of selectivity, with compound 12 emerging as the most promising. Western blot analysis revealed that severe p53-K382ac activation was promoted by benzylester 5. In contrast, amide 12 exerted only a moderate effect which was, however, comparable to that of suberoylanilide hydoxamic acid (SAHA).<br />Conclusions: Taken together, these results further reinforce evidence that quinolones have potential as anti-cancer agents. Future work will be focused on understanding compound 12 mechanisms of action, and to obtain more potent and selective compounds.<br /> (© 2015 John Wiley & Sons Ltd.)

Details

Language :
English
ISSN :
1365-2184
Volume :
48
Issue :
6
Database :
MEDLINE
Journal :
Cell proliferation
Publication Type :
Academic Journal
Accession number :
26597381
Full Text :
https://doi.org/10.1111/cpr.12224