Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
2005-9-12
pubmed:abstractText
Rosmarinic acid (RA) is a naturally occurring polyphenolic and is found in several herbs in the Lamiaceae family, such as, Perilla frutescens. ADR is a potent anti-tumor drug, but is unfortunately potently cardiotoxic. This study was undertaken to investigate the inhibitory effect of RA on ADR-induced apoptosis in H9c2 cardiac muscle cells at a mechanistic level. In vitro, ADR significantly decreased the viabilities of H9c2 cells, and this was accompanied by apoptotic features, such as a change in nuclear morphology and caspase protease activation. RA was found to markedly inhibit these apoptotic characteristics by reducing intracellular ROS generation and by recovering the mitochondria membrane potential (delta psi). In addition, RA reversed the downregulations of GSH, SOD and Bcl-2 by ADR. In the present study, ADR was found to activate c-Jun N-terminal kinase (JNK) and extracellular signal-regulated kinase (ERK), transcriptional factor-activator-protein (AP)-1. We found that c-fos, Jun-B, Jun-D and p-c-Jun were super shifted by ADR, indicating that these proteins have an important role in the ADR-induced AP-1 activation. The inhibitions of JNK and ERK using appropriate inhibitors or dominant negative cell lines reduced ADR-induced apoptosis in H9c2 cardiac muscle cells. Taken together, these results suggest that RA can inhibit ADR-induced apoptosis in H9C2 cardiac muscle cells by inhibiting ROS generation and JNK and ERK activation. Thus, we propose that RA should be viewed as a potential chemotherapeutic that inhibits cardiotoxicity in ADR-exposed patients.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
http://linkedlifedata.com/resource/pubmed/chemical/Casp3 protein, rat, http://linkedlifedata.com/resource/pubmed/chemical/Caspase 3, http://linkedlifedata.com/resource/pubmed/chemical/Caspases, http://linkedlifedata.com/resource/pubmed/chemical/Cinnamates, http://linkedlifedata.com/resource/pubmed/chemical/DNA Probes, http://linkedlifedata.com/resource/pubmed/chemical/Depsides, http://linkedlifedata.com/resource/pubmed/chemical/Doxorubicin, http://linkedlifedata.com/resource/pubmed/chemical/Extracellular Signal-Regulated MAP..., http://linkedlifedata.com/resource/pubmed/chemical/Glutathione, http://linkedlifedata.com/resource/pubmed/chemical/JNK Mitogen-Activated Protein..., http://linkedlifedata.com/resource/pubmed/chemical/Reactive Oxygen Species, http://linkedlifedata.com/resource/pubmed/chemical/Superoxide Dismutase, http://linkedlifedata.com/resource/pubmed/chemical/rosmarinic acid
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0006-2952
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
70
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1066-78
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed-meshheading:16102732-Animals, pubmed-meshheading:16102732-Apoptosis, pubmed-meshheading:16102732-Base Sequence, pubmed-meshheading:16102732-Caspase 3, pubmed-meshheading:16102732-Caspases, pubmed-meshheading:16102732-Cell Line, pubmed-meshheading:16102732-Cinnamates, pubmed-meshheading:16102732-DNA Probes, pubmed-meshheading:16102732-Depsides, pubmed-meshheading:16102732-Doxorubicin, pubmed-meshheading:16102732-Electrophoretic Mobility Shift Assay, pubmed-meshheading:16102732-Enzyme Activation, pubmed-meshheading:16102732-Extracellular Signal-Regulated MAP Kinases, pubmed-meshheading:16102732-Glutathione, pubmed-meshheading:16102732-JNK Mitogen-Activated Protein Kinases, pubmed-meshheading:16102732-Membrane Potentials, pubmed-meshheading:16102732-Mitochondria, Heart, pubmed-meshheading:16102732-Myocardium, pubmed-meshheading:16102732-Rats, pubmed-meshheading:16102732-Reactive Oxygen Species, pubmed-meshheading:16102732-Superoxide Dismutase
pubmed:year
2005
pubmed:articleTitle
Inhibitory effects of rosmarinic acid on adriamycin-induced apoptosis in H9c2 cardiac muscle cells by inhibiting reactive oxygen species and the activations of c-Jun N-terminal kinase and extracellular signal-regulated kinase.
pubmed:affiliation
Department of Pharmacology and Institute of Cardiovascular Research, School of Medicine, Chonbuk National University, Jeonju, Chonbuk 560-180, South Korea.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't