β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice.

Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS...
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Autor*in:	Moon Hee Jeong [verfasserIn] Nguyen Khoi Song Tran [verfasserIn] Tae Hwan Kwak [verfasserIn] Byung Keon Park [verfasserIn] Chul Soon Lee [verfasserIn] Tae-Sik Park [verfasserIn] Young-Hoon Lee [verfasserIn] Woo Jin Park [verfasserIn] Dong Kwon Yang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Übergeordnetes Werk:	In: PLoS ONE - Public Library of Science (PLoS), 2007, 9(2014), 3, p e91039
Übergeordnetes Werk:	volume:9 ; year:2014 ; number:3, p e91039

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1371/journal.pone.0091039

Katalog-ID:	DOAJ028030303

Internformat


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520			\|a Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy.
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allfields	10.1371/journal.pone.0091039 doi (DE-627)DOAJ028030303 (DE-599)DOAJ82dadf231e9f4dcfaa3557be20b557d4 DE-627 ger DE-627 rakwb eng Moon Hee Jeong verfasserin aut β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy. Medicine R Science Q Nguyen Khoi Song Tran verfasserin aut Tae Hwan Kwak verfasserin aut Byung Keon Park verfasserin aut Chul Soon Lee verfasserin aut Tae-Sik Park verfasserin aut Young-Hoon Lee verfasserin aut Woo Jin Park verfasserin aut Dong Kwon Yang verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 3, p e91039 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:3, p e91039 https://doi.org/10.1371/journal.pone.0091039 kostenfrei https://doaj.org/article/82dadf231e9f4dcfaa3557be20b557d4 kostenfrei http://europepmc.org/articles/PMC3948739?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 3, p e91039
spelling	10.1371/journal.pone.0091039 doi (DE-627)DOAJ028030303 (DE-599)DOAJ82dadf231e9f4dcfaa3557be20b557d4 DE-627 ger DE-627 rakwb eng Moon Hee Jeong verfasserin aut β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy. Medicine R Science Q Nguyen Khoi Song Tran verfasserin aut Tae Hwan Kwak verfasserin aut Byung Keon Park verfasserin aut Chul Soon Lee verfasserin aut Tae-Sik Park verfasserin aut Young-Hoon Lee verfasserin aut Woo Jin Park verfasserin aut Dong Kwon Yang verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 3, p e91039 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:3, p e91039 https://doi.org/10.1371/journal.pone.0091039 kostenfrei https://doaj.org/article/82dadf231e9f4dcfaa3557be20b557d4 kostenfrei http://europepmc.org/articles/PMC3948739?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 3, p e91039
allfields_unstemmed	10.1371/journal.pone.0091039 doi (DE-627)DOAJ028030303 (DE-599)DOAJ82dadf231e9f4dcfaa3557be20b557d4 DE-627 ger DE-627 rakwb eng Moon Hee Jeong verfasserin aut β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy. Medicine R Science Q Nguyen Khoi Song Tran verfasserin aut Tae Hwan Kwak verfasserin aut Byung Keon Park verfasserin aut Chul Soon Lee verfasserin aut Tae-Sik Park verfasserin aut Young-Hoon Lee verfasserin aut Woo Jin Park verfasserin aut Dong Kwon Yang verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 3, p e91039 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:3, p e91039 https://doi.org/10.1371/journal.pone.0091039 kostenfrei https://doaj.org/article/82dadf231e9f4dcfaa3557be20b557d4 kostenfrei http://europepmc.org/articles/PMC3948739?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 3, p e91039
allfieldsGer	10.1371/journal.pone.0091039 doi (DE-627)DOAJ028030303 (DE-599)DOAJ82dadf231e9f4dcfaa3557be20b557d4 DE-627 ger DE-627 rakwb eng Moon Hee Jeong verfasserin aut β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy. Medicine R Science Q Nguyen Khoi Song Tran verfasserin aut Tae Hwan Kwak verfasserin aut Byung Keon Park verfasserin aut Chul Soon Lee verfasserin aut Tae-Sik Park verfasserin aut Young-Hoon Lee verfasserin aut Woo Jin Park verfasserin aut Dong Kwon Yang verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 3, p e91039 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:3, p e91039 https://doi.org/10.1371/journal.pone.0091039 kostenfrei https://doaj.org/article/82dadf231e9f4dcfaa3557be20b557d4 kostenfrei http://europepmc.org/articles/PMC3948739?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 3, p e91039
allfieldsSound	10.1371/journal.pone.0091039 doi (DE-627)DOAJ028030303 (DE-599)DOAJ82dadf231e9f4dcfaa3557be20b557d4 DE-627 ger DE-627 rakwb eng Moon Hee Jeong verfasserin aut β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy. Medicine R Science Q Nguyen Khoi Song Tran verfasserin aut Tae Hwan Kwak verfasserin aut Byung Keon Park verfasserin aut Chul Soon Lee verfasserin aut Tae-Sik Park verfasserin aut Young-Hoon Lee verfasserin aut Woo Jin Park verfasserin aut Dong Kwon Yang verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 3, p e91039 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:3, p e91039 https://doi.org/10.1371/journal.pone.0091039 kostenfrei https://doaj.org/article/82dadf231e9f4dcfaa3557be20b557d4 kostenfrei http://europepmc.org/articles/PMC3948739?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 3, p e91039
language	English
source	In PLoS ONE 9(2014), 3, p e91039 volume:9 year:2014 number:3, p e91039
sourceStr	In PLoS ONE 9(2014), 3, p e91039 volume:9 year:2014 number:3, p e91039
format_phy_str_mv	Article
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topic_facet	Medicine R Science Q
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container_title	PLoS ONE
authorswithroles_txt_mv	Moon Hee Jeong @@aut@@ Nguyen Khoi Song Tran @@aut@@ Tae Hwan Kwak @@aut@@ Byung Keon Park @@aut@@ Chul Soon Lee @@aut@@ Tae-Sik Park @@aut@@ Young-Hoon Lee @@aut@@ Woo Jin Park @@aut@@ Dong Kwon Yang @@aut@@
publishDateDaySort_date	2014-01-01T00:00:00Z
hierarchy_top_id	523574592
id	DOAJ028030303
language_de	englisch
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author	Moon Hee Jeong
spellingShingle	Moon Hee Jeong misc Medicine misc R misc Science misc Q β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice.
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topic_title	β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice
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title	β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice.
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title_full	β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice
author_sort	Moon Hee Jeong
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author_browse	Moon Hee Jeong Nguyen Khoi Song Tran Tae Hwan Kwak Byung Keon Park Chul Soon Lee Tae-Sik Park Young-Hoon Lee Woo Jin Park Dong Kwon Yang
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title_sort	β-lapachone ameliorates lipotoxic cardiomyopathy in acyl coa synthase transgenic mice
title_auth	β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice.
abstract	Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy.
abstractGer	Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy.
abstract_unstemmed	Lipotoxic cardiomyopathy is caused by myocardial lipid accumulation and often occurs in patients with diabetes and obesity. This study investigated the effects of β-lapachone (β-lap), a natural compound that activates Sirt1 through elevation of the intracellular NAD+ level, on acyl CoA synthase (ACS) transgenic (Tg) mice, which have lipotoxic cardiomyopathy. Oral administration of β-lap to ACS Tg mice significantly attenuated heart failure and inhibited myocardial accumulation of triacylglycerol. Electron microscopy and measurement of mitochondrial complex II protein and mitochondrial DNA revealed that administration of β-lap restored mitochondrial integrity and biogenesis in ACS Tg hearts. Accordingly, β-lap administration significantly increased the expression of genes associated with mitochondrial biogenesis and fatty acid metabolism that were down-regulated in ACS Tg hearts. β-lap also restored the activities of Sirt1 and AMP-activated protein kinase (AMPK), the two key regulators of metabolism, which were suppressed in ACS Tg hearts. In H9C2 cells, β-lap-mediated elevation of AMPK activity was retarded when the level of Sirt1 was reduced by transfection of siRNA against Sirt1. Taken together, these results indicate that β-lap exerts cardioprotective effects against cardiac lipotoxicity through the activation of Sirt1 and AMPK. β-lap may be a novel therapeutic agent for the treatment of lipotoxic cardiomyopathy.
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container_issue	3, p e91039
title_short	β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice.
url	https://doi.org/10.1371/journal.pone.0091039 https://doaj.org/article/82dadf231e9f4dcfaa3557be20b557d4 http://europepmc.org/articles/PMC3948739?pdf=render https://doaj.org/toc/1932-6203
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up_date	2024-07-03T15:20:57.202Z
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β-Lapachone ameliorates lipotoxic cardiomyopathy in acyl CoA synthase transgenic mice.

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