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Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways

Bladder cancer (BC) is a common malignancy of the urinary tract that has a higher frequency in men than in women. Cytostatic resistance and metastasis formation are significant risk factors in BC therapy; therefore, there is great interest in overcoming drug resistance and in initiating research for...

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Autores principales: Bognar, Zita, Fekete, Katalin, Antus, Csenge, Hocsak, Eniko, Bognar, Rita, Tapodi, Antal, Boronkai, Arpad, Farkas, Nelli, Gallyas, Ferenc, Sumegi, Balazs, Szanto, Arpad
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5722307/
https://www.ncbi.nlm.nih.gov/pubmed/29220397
http://dx.doi.org/10.1371/journal.pone.0189470
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author Bognar, Zita
Fekete, Katalin
Antus, Csenge
Hocsak, Eniko
Bognar, Rita
Tapodi, Antal
Boronkai, Arpad
Farkas, Nelli
Gallyas, Ferenc
Sumegi, Balazs
Szanto, Arpad
author_facet Bognar, Zita
Fekete, Katalin
Antus, Csenge
Hocsak, Eniko
Bognar, Rita
Tapodi, Antal
Boronkai, Arpad
Farkas, Nelli
Gallyas, Ferenc
Sumegi, Balazs
Szanto, Arpad
author_sort Bognar, Zita
collection PubMed
description Bladder cancer (BC) is a common malignancy of the urinary tract that has a higher frequency in men than in women. Cytostatic resistance and metastasis formation are significant risk factors in BC therapy; therefore, there is great interest in overcoming drug resistance and in initiating research for novel chemotherapeutic approaches. Here, we suggest that desethylamiodarone (DEA)–a metabolite of amiodarone—may have cytostatic potential. DEA activates the collapse of mitochondrial membrane potential (detected by JC-1 fluorescence), and induces cell death in T24 human transitional-cell bladder carcinoma cell line at physiologically achievable concentrations. DEA induces cell cycle arrest in the G0/G1 phase, which may contribute to the inhibition of cell proliferation, and shifts the Bax/Bcl-2 ratio to initiate apoptosis, induce AIF nuclear translocation, and activate PARP-1 cleavage and caspase-3 activation. The major cytoprotective kinases—ERK and Akt—are inhibited by DEA, which may contribute to its cell death-inducing effects. DEA also inhibits the expression of B-cell-specific Moloney murine leukemia virus integration site 1 (BMI1) and reduces colony formation of T24 bladder carcinoma cells, indicating its possible inhibitory effect on metastatic potential. These data show that DEA is a novel anti-cancer candidate of multiple cell death-inducing effects and metastatic potential. Our findings recommend further evaluation of its effects in clinical studies.
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spelling pubmed-57223072017-12-15 Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways Bognar, Zita Fekete, Katalin Antus, Csenge Hocsak, Eniko Bognar, Rita Tapodi, Antal Boronkai, Arpad Farkas, Nelli Gallyas, Ferenc Sumegi, Balazs Szanto, Arpad PLoS One Research Article Bladder cancer (BC) is a common malignancy of the urinary tract that has a higher frequency in men than in women. Cytostatic resistance and metastasis formation are significant risk factors in BC therapy; therefore, there is great interest in overcoming drug resistance and in initiating research for novel chemotherapeutic approaches. Here, we suggest that desethylamiodarone (DEA)–a metabolite of amiodarone—may have cytostatic potential. DEA activates the collapse of mitochondrial membrane potential (detected by JC-1 fluorescence), and induces cell death in T24 human transitional-cell bladder carcinoma cell line at physiologically achievable concentrations. DEA induces cell cycle arrest in the G0/G1 phase, which may contribute to the inhibition of cell proliferation, and shifts the Bax/Bcl-2 ratio to initiate apoptosis, induce AIF nuclear translocation, and activate PARP-1 cleavage and caspase-3 activation. The major cytoprotective kinases—ERK and Akt—are inhibited by DEA, which may contribute to its cell death-inducing effects. DEA also inhibits the expression of B-cell-specific Moloney murine leukemia virus integration site 1 (BMI1) and reduces colony formation of T24 bladder carcinoma cells, indicating its possible inhibitory effect on metastatic potential. These data show that DEA is a novel anti-cancer candidate of multiple cell death-inducing effects and metastatic potential. Our findings recommend further evaluation of its effects in clinical studies. Public Library of Science 2017-12-08 /pmc/articles/PMC5722307/ /pubmed/29220397 http://dx.doi.org/10.1371/journal.pone.0189470 Text en © 2017 Bognar et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Bognar, Zita
Fekete, Katalin
Antus, Csenge
Hocsak, Eniko
Bognar, Rita
Tapodi, Antal
Boronkai, Arpad
Farkas, Nelli
Gallyas, Ferenc
Sumegi, Balazs
Szanto, Arpad
Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways
title Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways
title_full Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways
title_fullStr Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways
title_full_unstemmed Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways
title_short Desethylamiodarone—A metabolite of amiodarone—Induces apoptosis on T24 human bladder cancer cells via multiple pathways
title_sort desethylamiodarone—a metabolite of amiodarone—induces apoptosis on t24 human bladder cancer cells via multiple pathways
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5722307/
https://www.ncbi.nlm.nih.gov/pubmed/29220397
http://dx.doi.org/10.1371/journal.pone.0189470
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