Harmine induces apoptosis in HepG2 cells via mitochondrial signaling pathway

BACKGROUND:Harmine has antitumor and antinociceptive effects,and inhibits human DNA topoisomerase.However no detailed data are available on the mechanisms of action of harmine in hepatocellular carcinoma.This study aimed to investigate the effects of harmine on proliferation and apoptosis and the un...

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Veröffentlicht in:Hepatobiliary & pancreatic diseases international 2011-12, Vol.10 (6), p.599-604
Hauptverfasser: Cao, Ming-Rong, Li, Qiang, Liu, Zhi-Long, Liu, Hui-Hui, Wang, Wei, Liao, Xiao-Li, Pan, Yun-Long, Jiang, Jian-Wei
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container_end_page 604
container_issue 6
container_start_page 599
container_title Hepatobiliary & pancreatic diseases international
container_volume 10
creator Cao, Ming-Rong
Li, Qiang
Liu, Zhi-Long
Liu, Hui-Hui
Wang, Wei
Liao, Xiao-Li
Pan, Yun-Long
Jiang, Jian-Wei
description BACKGROUND:Harmine has antitumor and antinociceptive effects,and inhibits human DNA topoisomerase.However no detailed data are available on the mechanisms of action of harmine in hepatocellular carcinoma.This study aimed to investigate the effects of harmine on proliferation and apoptosis and the underlying mechanisms in the human hepatocellular carcinoma cell line HepG2.METHODS:The proliferation of HepG2 cells was determined by the cell counting kit-8 (CCK-8) assay and the clone formation test.The morphology of HepG2 cells was examined using fluorescence microscopy after Hoechst 33258 staining Annexin V/propidium iodide (PI) was used to analyze apoptosis and PI to analyze the cell cycle.Western blotting was used to assess expression of the apoptosis-regulated genes Bcl-2,Bax,Bcl-xl,Mcl-1,caspase-3,and caspase-9 Mitochondrial transmembrane potential (Ψ m) was determined using JC-1.RESULTS:Harmine inhibited the proliferation of HepG2 cells in a dose-dependent manner.Hoechst 33258 staining revealed nuclear fragmentation and chromosomal condensation,cell shrinkage,and attachment loss in HepG2 cells treated with harmine.The percentage of the sub/G1 fraction was increased in a concentration-dependent manner,indicating apoptotic cell death.PI staining showed that harmine changed the cell cycle distribution,by decreasing the proportion of cells inG0/G1 and increasing the proportion in S and G2/M.Harmine induced apoptosis in a concentration-dependent manner,with rates of 20.0%,32.7% and 64.9%,respectively.JC-1 revealed a decrease in Ψ m.Apoptosis of HepG2 cells was associated with caspase-3 and caspase-9 activation,down-regulation of Bcl-2,Mcl-1,and Bcl-xl,and no change in Bax.CONCLUSIONS:Harmine had an anti-proliferative effect in HepG2 cells by inducing apoptosis.Mitochondrial signal pathways were involved in the apoptosis.The cancer-specific selectivity shown in this study suggested that harmine is a promising novel drug for human hepatocellular carcinoma.
doi_str_mv 10.1016/S1499-3872(11)60102-1
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Li, Qiang ; Liu, Zhi-Long ; Liu, Hui-Hui ; Wang, Wei ; Liao, Xiao-Li ; Pan, Yun-Long ; Jiang, Jian-Wei</creator><creatorcontrib>Cao, Ming-Rong ; Li, Qiang ; Liu, Zhi-Long ; Liu, Hui-Hui ; Wang, Wei ; Liao, Xiao-Li ; Pan, Yun-Long ; Jiang, Jian-Wei</creatorcontrib><description>BACKGROUND:Harmine has antitumor and antinociceptive effects,and inhibits human DNA topoisomerase.However no detailed data are available on the mechanisms of action of harmine in hepatocellular carcinoma.This study aimed to investigate the effects of harmine on proliferation and apoptosis and the underlying mechanisms in the human hepatocellular carcinoma cell line HepG2.METHODS:The proliferation of HepG2 cells was determined by the cell counting kit-8 (CCK-8) assay and the clone formation test.The morphology of HepG2 cells was examined using fluorescence microscopy after Hoechst 33258 staining Annexin V/propidium iodide (PI) was used to analyze apoptosis and PI to analyze the cell cycle.Western blotting was used to assess expression of the apoptosis-regulated genes Bcl-2,Bax,Bcl-xl,Mcl-1,caspase-3,and caspase-9 Mitochondrial transmembrane potential (Ψ m) was determined using JC-1.RESULTS:Harmine inhibited the proliferation of HepG2 cells in a dose-dependent manner.Hoechst 33258 staining revealed nuclear fragmentation and chromosomal condensation,cell shrinkage,and attachment loss in HepG2 cells treated with harmine.The percentage of the sub/G1 fraction was increased in a concentration-dependent manner,indicating apoptotic cell death.PI staining showed that harmine changed the cell cycle distribution,by decreasing the proportion of cells inG0/G1 and increasing the proportion in S and G2/M.Harmine induced apoptosis in a concentration-dependent manner,with rates of 20.0%,32.7% and 64.9%,respectively.JC-1 revealed a decrease in Ψ m.Apoptosis of HepG2 cells was associated with caspase-3 and caspase-9 activation,down-regulation of Bcl-2,Mcl-1,and Bcl-xl,and no change in Bax.CONCLUSIONS:Harmine had an anti-proliferative effect in HepG2 cells by inducing apoptosis.Mitochondrial signal pathways were involved in the apoptosis.The cancer-specific selectivity shown in this study suggested that harmine is a promising novel drug for human hepatocellular carcinoma.</description><identifier>ISSN: 1499-3872</identifier><identifier>DOI: 10.1016/S1499-3872(11)60102-1</identifier><identifier>PMID: 22146623</identifier><language>eng</language><publisher>Singapore: Elsevier B.V</publisher><subject>apoptosis ; Apoptosis - drug effects ; Apoptosis - genetics ; Bcl-2 ; Bcl-2 protein ; Blotting, Western ; carcinoma ; caspase-3 ; Cell Proliferation - drug effects ; Endocrinology &amp; Metabolism ; Flow Cytometry ; Gastroenterology and Hepatology ; harmine ; Harmine - pharmacology ; Hep G2 Cells ; hepatocellular ; hepatocellular carcinoma ; Humans ; Membrane Potential, Mitochondrial - drug effects ; Microscopy, Fluorescence ; Mitochondria, Liver - drug effects ; Mitochondria, Liver - genetics ; Mitochondria, Liver - metabolism ; Monoamine Oxidase Inhibitors - pharmacology ; protein ; Signal Transduction - drug effects</subject><ispartof>Hepatobiliary &amp; pancreatic diseases international, 2011-12, Vol.10 (6), p.599-604</ispartof><rights>The Editorial Board of Hepatobiliary &amp; Pancreatic Diseases International</rights><rights>2011 The Editorial Board of Hepatobiliary &amp; Pancreatic Diseases International</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c499t-7908e150af6ccffe345784dedbfa19f7ea3fcfac9c08adb2a0c4198bee9526e53</citedby><cites>FETCH-LOGICAL-c499t-7908e150af6ccffe345784dedbfa19f7ea3fcfac9c08adb2a0c4198bee9526e53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/89801X/89801X.jpg</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1499387211601021$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22146623$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cao, Ming-Rong</creatorcontrib><creatorcontrib>Li, Qiang</creatorcontrib><creatorcontrib>Liu, Zhi-Long</creatorcontrib><creatorcontrib>Liu, Hui-Hui</creatorcontrib><creatorcontrib>Wang, Wei</creatorcontrib><creatorcontrib>Liao, Xiao-Li</creatorcontrib><creatorcontrib>Pan, Yun-Long</creatorcontrib><creatorcontrib>Jiang, Jian-Wei</creatorcontrib><title>Harmine induces apoptosis in HepG2 cells via mitochondrial signaling pathway</title><title>Hepatobiliary &amp; pancreatic diseases international</title><addtitle>Hepatobiliary &amp; Pancreatic Diseases International</addtitle><description>BACKGROUND:Harmine has antitumor and antinociceptive effects,and inhibits human DNA topoisomerase.However no detailed data are available on the mechanisms of action of harmine in hepatocellular carcinoma.This study aimed to investigate the effects of harmine on proliferation and apoptosis and the underlying mechanisms in the human hepatocellular carcinoma cell line HepG2.METHODS:The proliferation of HepG2 cells was determined by the cell counting kit-8 (CCK-8) assay and the clone formation test.The morphology of HepG2 cells was examined using fluorescence microscopy after Hoechst 33258 staining Annexin V/propidium iodide (PI) was used to analyze apoptosis and PI to analyze the cell cycle.Western blotting was used to assess expression of the apoptosis-regulated genes Bcl-2,Bax,Bcl-xl,Mcl-1,caspase-3,and caspase-9 Mitochondrial transmembrane potential (Ψ m) was determined using JC-1.RESULTS:Harmine inhibited the proliferation of HepG2 cells in a dose-dependent manner.Hoechst 33258 staining revealed nuclear fragmentation and chromosomal condensation,cell shrinkage,and attachment loss in HepG2 cells treated with harmine.The percentage of the sub/G1 fraction was increased in a concentration-dependent manner,indicating apoptotic cell death.PI staining showed that harmine changed the cell cycle distribution,by decreasing the proportion of cells inG0/G1 and increasing the proportion in S and G2/M.Harmine induced apoptosis in a concentration-dependent manner,with rates of 20.0%,32.7% and 64.9%,respectively.JC-1 revealed a decrease in Ψ m.Apoptosis of HepG2 cells was associated with caspase-3 and caspase-9 activation,down-regulation of Bcl-2,Mcl-1,and Bcl-xl,and no change in Bax.CONCLUSIONS:Harmine had an anti-proliferative effect in HepG2 cells by inducing apoptosis.Mitochondrial signal pathways were involved in the apoptosis.The cancer-specific selectivity shown in this study suggested that harmine is a promising novel drug for human hepatocellular carcinoma.</description><subject>apoptosis</subject><subject>Apoptosis - drug effects</subject><subject>Apoptosis - genetics</subject><subject>Bcl-2</subject><subject>Bcl-2 protein</subject><subject>Blotting, Western</subject><subject>carcinoma</subject><subject>caspase-3</subject><subject>Cell Proliferation - drug effects</subject><subject>Endocrinology &amp; Metabolism</subject><subject>Flow Cytometry</subject><subject>Gastroenterology and Hepatology</subject><subject>harmine</subject><subject>Harmine - pharmacology</subject><subject>Hep G2 Cells</subject><subject>hepatocellular</subject><subject>hepatocellular carcinoma</subject><subject>Humans</subject><subject>Membrane Potential, Mitochondrial - drug effects</subject><subject>Microscopy, Fluorescence</subject><subject>Mitochondria, Liver - drug effects</subject><subject>Mitochondria, Liver - genetics</subject><subject>Mitochondria, Liver - metabolism</subject><subject>Monoamine Oxidase Inhibitors - pharmacology</subject><subject>protein</subject><subject>Signal Transduction - drug effects</subject><issn>1499-3872</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU9v1DAQxX0AtaXlI4AicQAOAY-df75QoQq6SCv1AJytWWe8dUni1E6K9tvj7C4V4tLTSKM3b-b9hrFXwD8Ah-rjdyiUymVTi3cA7ysOXOTwjJ09tk_ZixjvOBdNU1Yn7FQIKKpKyDO2XmHo3UCZG9rZUMxw9OPko4upk61ovBaZoa6L2YPDrHeTN7d-aIPDLotuO2Dnhm024nT7G3cX7LnFLtLLYz1nP79--XG1ytc319-uPq9zkw6a8lrxhqDkaCtjrCVZlHVTtNRuLIKyNaG0xqJRhjfYbgRyU4BqNkSqFBWV8py9PfiOwd_PFCfdu7hciQP5OWrFVV0WXC7K8qA0wccYyOoxuB7DTgPXCzu9Z6cXSBpA79lpSHOvjxvmTU_t49RfcElweRBQyvngKOhoHA2GWhfITLr17skVn_5zMImlM9j9oh3FOz-HRDdq0FFofjBZPAD2DovBm2O29JHtffrDP-G45FKoppZ_AO9KohM</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Cao, Ming-Rong</creator><creator>Li, Qiang</creator><creator>Liu, Zhi-Long</creator><creator>Liu, Hui-Hui</creator><creator>Wang, Wei</creator><creator>Liao, Xiao-Li</creator><creator>Pan, Yun-Long</creator><creator>Jiang, Jian-Wei</creator><general>Elsevier B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W91</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20111201</creationdate><title>Harmine induces apoptosis in HepG2 cells via mitochondrial signaling pathway</title><author>Cao, Ming-Rong ; 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pancreatic diseases international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cao, Ming-Rong</au><au>Li, Qiang</au><au>Liu, Zhi-Long</au><au>Liu, Hui-Hui</au><au>Wang, Wei</au><au>Liao, Xiao-Li</au><au>Pan, Yun-Long</au><au>Jiang, Jian-Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Harmine induces apoptosis in HepG2 cells via mitochondrial signaling pathway</atitle><jtitle>Hepatobiliary &amp; pancreatic diseases international</jtitle><addtitle>Hepatobiliary &amp; Pancreatic Diseases International</addtitle><date>2011-12-01</date><risdate>2011</risdate><volume>10</volume><issue>6</issue><spage>599</spage><epage>604</epage><pages>599-604</pages><issn>1499-3872</issn><abstract>BACKGROUND:Harmine has antitumor and antinociceptive effects,and inhibits human DNA topoisomerase.However no detailed data are available on the mechanisms of action of harmine in hepatocellular carcinoma.This study aimed to investigate the effects of harmine on proliferation and apoptosis and the underlying mechanisms in the human hepatocellular carcinoma cell line HepG2.METHODS:The proliferation of HepG2 cells was determined by the cell counting kit-8 (CCK-8) assay and the clone formation test.The morphology of HepG2 cells was examined using fluorescence microscopy after Hoechst 33258 staining Annexin V/propidium iodide (PI) was used to analyze apoptosis and PI to analyze the cell cycle.Western blotting was used to assess expression of the apoptosis-regulated genes Bcl-2,Bax,Bcl-xl,Mcl-1,caspase-3,and caspase-9 Mitochondrial transmembrane potential (Ψ m) was determined using JC-1.RESULTS:Harmine inhibited the proliferation of HepG2 cells in a dose-dependent manner.Hoechst 33258 staining revealed nuclear fragmentation and chromosomal condensation,cell shrinkage,and attachment loss in HepG2 cells treated with harmine.The percentage of the sub/G1 fraction was increased in a concentration-dependent manner,indicating apoptotic cell death.PI staining showed that harmine changed the cell cycle distribution,by decreasing the proportion of cells inG0/G1 and increasing the proportion in S and G2/M.Harmine induced apoptosis in a concentration-dependent manner,with rates of 20.0%,32.7% and 64.9%,respectively.JC-1 revealed a decrease in Ψ m.Apoptosis of HepG2 cells was associated with caspase-3 and caspase-9 activation,down-regulation of Bcl-2,Mcl-1,and Bcl-xl,and no change in Bax.CONCLUSIONS:Harmine had an anti-proliferative effect in HepG2 cells by inducing apoptosis.Mitochondrial signal pathways were involved in the apoptosis.The cancer-specific selectivity shown in this study suggested that harmine is a promising novel drug for human hepatocellular carcinoma.</abstract><cop>Singapore</cop><pub>Elsevier B.V</pub><pmid>22146623</pmid><doi>10.1016/S1499-3872(11)60102-1</doi><tpages>6</tpages></addata></record>
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source MEDLINE; Elsevier ScienceDirect Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects apoptosis
Apoptosis - drug effects
Apoptosis - genetics
Bcl-2
Bcl-2 protein
Blotting, Western
carcinoma
caspase-3
Cell Proliferation - drug effects
Endocrinology & Metabolism
Flow Cytometry
Gastroenterology and Hepatology
harmine
Harmine - pharmacology
Hep G2 Cells
hepatocellular
hepatocellular carcinoma
Humans
Membrane Potential, Mitochondrial - drug effects
Microscopy, Fluorescence
Mitochondria, Liver - drug effects
Mitochondria, Liver - genetics
Mitochondria, Liver - metabolism
Monoamine Oxidase Inhibitors - pharmacology
protein
Signal Transduction - drug effects
title Harmine induces apoptosis in HepG2 cells via mitochondrial signaling pathway
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