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Peritoneal dialysate effluent during peritonitis induces human cardiomyocyte apoptosis by regulating the expression of GATA-4 and Bcl-2 families
Journal of cellular physiology, 2011-01, Vol.226 (1), p.94-102
Wang, Hsin-Hui
Li, Ping-Chun
Huang, Hsiao-Ju
Lee, Tzong-Yann
Lin, Ching-Yuang
2011
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Wang, Hsin-Hui
Li, Ping-Chun
Huang, Hsiao-Ju
Lee, Tzong-Yann
Lin, Ching-Yuang
Titel
Peritoneal dialysate effluent during peritonitis induces human cardiomyocyte apoptosis by regulating the expression of GATA-4 and Bcl-2 families
Ist Teil von
Journal of cellular physiology, 2011-01, Vol.226 (1), p.94-102
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2011
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
Cardiovascular event and infection are leading causes of death from peritoneal dialysis (PD). This study examined in vitro cellular mechanism for cardiotoxicity induced by PD‐related peritonitis. Cultured human cardiomyocytes were treated with PD effluent (PDE) during peritonitis (PPDE), and effects of PPDE on cultured cardiomyocytes in terms of apoptosis, with expression its related genes assessed. Results showed PPDE treatment of cardiomyocyte leading to onset of apoptosis, as confirmed by phosphatidylserine exposure plus DNA fragmentation and damage. This apoptosis is mediated by reduced Bcl‐2/Bax and Bcl‐xL/Bax ratios, as well as reduced expression of GATA‐4, an important cardiomyocyte survival factor, at the level of transcription. These changes activated pro‐apoptotic pathways. PPDE treatment also inhibited ERK signals, contributing to cardiotoxicity. Our findings revealed that PPDE contains potent pro‐apoptotic factors that regulate expression of GATA‐4 and Bcl‐2 families, inducing cultured cardiomyocyte apoptosis. This pinpoints a key role of apoptosis in PD‐associated cardiovascular events, along with a potential therapeutic target. J. Cell. Physiol. 226: 94–102, 2010. © 2010 Wiley‐Liss, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 0021-9541
eISSN: 1097-4652
DOI: 10.1002/jcp.22309
Titel-ID: cdi_crossref_primary_10_1002_jcp_22309
Format
–
Schlagworte
Apoptosis - drug effects
,
Ascitic Fluid - physiology
,
bcl-2-Associated X Protein - genetics
,
bcl-2-Associated X Protein - metabolism
,
Cell Survival
,
Cells, Cultured
,
Dose-Response Relationship, Drug
,
Extracellular Signal-Regulated MAP Kinases - metabolism
,
Female
,
GATA4 Transcription Factor - genetics
,
GATA4 Transcription Factor - metabolism
,
Gene Expression Regulation - drug effects
,
Genes, bcl-2 - genetics
,
Humans
,
Male
,
Middle Aged
,
Multigene Family
,
Myocytes, Cardiac - cytology
,
Myocytes, Cardiac - drug effects
,
Peritoneal Dialysis
,
Peritonitis - pathology
,
Peritonitis - therapy
,
Proto-Oncogene Proteins c-bcl-2 - genetics
,
Proto-Oncogene Proteins c-bcl-2 - metabolism
,
Signal Transduction
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