Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist
Anthracyclines are cytostatic antibiotics discovered almost half a century ago exerting their action through inhibition of topoisomerase II. The two most representative drugs are doxorubicin and daunorubicin and they have been proven as useful antineoplastics and are widely prescribed in daily oncology practice; unfortunately, cardiotoxicity has been a limiting factor when it comes to their use. Diverse mechanisms have been involved in anthracycline cardiotoxicity, none of which are capable of causing the whole clinical picture by itself. Traditionally, reactive oxygen species (ROS) have received more attention, although recently basic research has proven other factors to be as important as ROS. These factors mainly involve sarcomeric structure disruption, toxic accumulation of metabolites, iron metabolism, energetic alterations and inflammation. The role of genetics has been studied by some groups, although a clear genotype-response relationship is yet to be elucidated. With the improved survival from different oncologic diseases we are witnessing more cases of chemotherapy-induced cardiotoxicity and the advent of new anticancer drugs poses several challenges for the cardiologist, highlighting the importance of a deep knowledge of the main mechanisms inducing this toxicity.
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Instituto Nacional de Cardiología Ignacio Chávez
2014
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oai:scielo:S1405-994020140003000102015-01-15Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologistSalazar-Mendiguchía,JoelGonzález-Costello,JoséRoca,JosepAriza-Solé,AlbertManito,NicolásCequier,Ángel Anthracycline cardiotoxicity Chemotherapy cardiomyopathy Doxorubicin cardiomyopathy Spain Anthracyclines are cytostatic antibiotics discovered almost half a century ago exerting their action through inhibition of topoisomerase II. The two most representative drugs are doxorubicin and daunorubicin and they have been proven as useful antineoplastics and are widely prescribed in daily oncology practice; unfortunately, cardiotoxicity has been a limiting factor when it comes to their use. Diverse mechanisms have been involved in anthracycline cardiotoxicity, none of which are capable of causing the whole clinical picture by itself. Traditionally, reactive oxygen species (ROS) have received more attention, although recently basic research has proven other factors to be as important as ROS. These factors mainly involve sarcomeric structure disruption, toxic accumulation of metabolites, iron metabolism, energetic alterations and inflammation. The role of genetics has been studied by some groups, although a clear genotype-response relationship is yet to be elucidated. With the improved survival from different oncologic diseases we are witnessing more cases of chemotherapy-induced cardiotoxicity and the advent of new anticancer drugs poses several challenges for the cardiologist, highlighting the importance of a deep knowledge of the main mechanisms inducing this toxicity.info:eu-repo/semantics/openAccessInstituto Nacional de Cardiología Ignacio ChávezArchivos de cardiología de México v.84 n.3 20142014-09-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-99402014000300010en10.1016/j.acmx.2013.08.006 |
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Salazar-Mendiguchía,Joel González-Costello,José Roca,Josep Ariza-Solé,Albert Manito,Nicolás Cequier,Ángel |
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Salazar-Mendiguchía,Joel González-Costello,José Roca,Josep Ariza-Solé,Albert Manito,Nicolás Cequier,Ángel Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist |
author_facet |
Salazar-Mendiguchía,Joel González-Costello,José Roca,Josep Ariza-Solé,Albert Manito,Nicolás Cequier,Ángel |
author_sort |
Salazar-Mendiguchía,Joel |
title |
Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist |
title_short |
Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist |
title_full |
Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist |
title_fullStr |
Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist |
title_full_unstemmed |
Anthracycline-mediated cardiomyopathy: Basic molecular knowledge for the cardiologist |
title_sort |
anthracycline-mediated cardiomyopathy: basic molecular knowledge for the cardiologist |
description |
Anthracyclines are cytostatic antibiotics discovered almost half a century ago exerting their action through inhibition of topoisomerase II. The two most representative drugs are doxorubicin and daunorubicin and they have been proven as useful antineoplastics and are widely prescribed in daily oncology practice; unfortunately, cardiotoxicity has been a limiting factor when it comes to their use. Diverse mechanisms have been involved in anthracycline cardiotoxicity, none of which are capable of causing the whole clinical picture by itself. Traditionally, reactive oxygen species (ROS) have received more attention, although recently basic research has proven other factors to be as important as ROS. These factors mainly involve sarcomeric structure disruption, toxic accumulation of metabolites, iron metabolism, energetic alterations and inflammation. The role of genetics has been studied by some groups, although a clear genotype-response relationship is yet to be elucidated. With the improved survival from different oncologic diseases we are witnessing more cases of chemotherapy-induced cardiotoxicity and the advent of new anticancer drugs poses several challenges for the cardiologist, highlighting the importance of a deep knowledge of the main mechanisms inducing this toxicity. |
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Instituto Nacional de Cardiología Ignacio Chávez |
publishDate |
2014 |
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http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-99402014000300010 |
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