In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells
Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopi...
Ausführliche Beschreibung
Autor*in: |
Soares, Paula R. O. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2012 |
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Anmerkung: |
© The Pharmaceutical Society of Korea and Springer Netherlands 2012 |
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Übergeordnetes Werk: |
Enthalten in: Archives of pharmacal research - Berlin : Springer, 1978, 35(2012), 3 vom: März, Seite 565-571 |
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Übergeordnetes Werk: |
volume:35 ; year:2012 ; number:3 ; month:03 ; pages:565-571 |
Links: |
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DOI / URN: |
10.1007/s12272-012-0320-7 |
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Katalog-ID: |
SPR024682586 |
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520 | |a Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. | ||
700 | 1 | |a de Oliveira, Pollyana Laurindo |4 aut | |
700 | 1 | |a de Oliveira, Cecília M. A. |4 aut | |
700 | 1 | |a Kato, Lucilia |4 aut | |
700 | 1 | |a Guillo, Lídia Andreu |4 aut | |
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10.1007/s12272-012-0320-7 doi (DE-627)SPR024682586 (SPR)s12272-012-0320-7-e DE-627 ger DE-627 rakwb eng Soares, Paula R. O. verfasserin aut In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Pharmaceutical Society of Korea and Springer Netherlands 2012 Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. de Oliveira, Pollyana Laurindo aut de Oliveira, Cecília M. A. aut Kato, Lucilia aut Guillo, Lídia Andreu aut Enthalten in Archives of pharmacal research Berlin : Springer, 1978 35(2012), 3 vom: März, Seite 565-571 (DE-627)363761802 (DE-600)2106388-6 1976-3786 nnns volume:35 year:2012 number:3 month:03 pages:565-571 https://dx.doi.org/10.1007/s12272-012-0320-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 35 2012 3 03 565-571 |
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10.1007/s12272-012-0320-7 doi (DE-627)SPR024682586 (SPR)s12272-012-0320-7-e DE-627 ger DE-627 rakwb eng Soares, Paula R. O. verfasserin aut In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Pharmaceutical Society of Korea and Springer Netherlands 2012 Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. de Oliveira, Pollyana Laurindo aut de Oliveira, Cecília M. A. aut Kato, Lucilia aut Guillo, Lídia Andreu aut Enthalten in Archives of pharmacal research Berlin : Springer, 1978 35(2012), 3 vom: März, Seite 565-571 (DE-627)363761802 (DE-600)2106388-6 1976-3786 nnns volume:35 year:2012 number:3 month:03 pages:565-571 https://dx.doi.org/10.1007/s12272-012-0320-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 35 2012 3 03 565-571 |
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10.1007/s12272-012-0320-7 doi (DE-627)SPR024682586 (SPR)s12272-012-0320-7-e DE-627 ger DE-627 rakwb eng Soares, Paula R. O. verfasserin aut In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Pharmaceutical Society of Korea and Springer Netherlands 2012 Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. de Oliveira, Pollyana Laurindo aut de Oliveira, Cecília M. A. aut Kato, Lucilia aut Guillo, Lídia Andreu aut Enthalten in Archives of pharmacal research Berlin : Springer, 1978 35(2012), 3 vom: März, Seite 565-571 (DE-627)363761802 (DE-600)2106388-6 1976-3786 nnns volume:35 year:2012 number:3 month:03 pages:565-571 https://dx.doi.org/10.1007/s12272-012-0320-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 35 2012 3 03 565-571 |
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10.1007/s12272-012-0320-7 doi (DE-627)SPR024682586 (SPR)s12272-012-0320-7-e DE-627 ger DE-627 rakwb eng Soares, Paula R. O. verfasserin aut In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Pharmaceutical Society of Korea and Springer Netherlands 2012 Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. de Oliveira, Pollyana Laurindo aut de Oliveira, Cecília M. A. aut Kato, Lucilia aut Guillo, Lídia Andreu aut Enthalten in Archives of pharmacal research Berlin : Springer, 1978 35(2012), 3 vom: März, Seite 565-571 (DE-627)363761802 (DE-600)2106388-6 1976-3786 nnns volume:35 year:2012 number:3 month:03 pages:565-571 https://dx.doi.org/10.1007/s12272-012-0320-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 35 2012 3 03 565-571 |
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10.1007/s12272-012-0320-7 doi (DE-627)SPR024682586 (SPR)s12272-012-0320-7-e DE-627 ger DE-627 rakwb eng Soares, Paula R. O. verfasserin aut In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Pharmaceutical Society of Korea and Springer Netherlands 2012 Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. de Oliveira, Pollyana Laurindo aut de Oliveira, Cecília M. A. aut Kato, Lucilia aut Guillo, Lídia Andreu aut Enthalten in Archives of pharmacal research Berlin : Springer, 1978 35(2012), 3 vom: März, Seite 565-571 (DE-627)363761802 (DE-600)2106388-6 1976-3786 nnns volume:35 year:2012 number:3 month:03 pages:565-571 https://dx.doi.org/10.1007/s12272-012-0320-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 35 2012 3 03 565-571 |
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Soares, Paula R. O. In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells |
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In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells |
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in vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells |
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In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells |
abstract |
Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. © The Pharmaceutical Society of Korea and Springer Netherlands 2012 |
abstractGer |
Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. © The Pharmaceutical Society of Korea and Springer Netherlands 2012 |
abstract_unstemmed |
Abstract In course of a screening for small molecules presenting potential anticancer properties, a known monoterpene indole alkaloid named vallesiachotamine was isolated from the leaves of Palicourea rigida (Rubiaceae) collected in the Brazilian Cerrado. The structure was determined by spectroscopic methods, mainly 1D- and 2D-NMR and its biological activities were investigated on cultured human (SK-MEL-37) melanoma cells. In vitro cytotoxicity was evaluated by the 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The inhibitory concentration ($ IC_{50} $) was 14.7 ± 1.2 μM for 24 h of drug exposure. Flow cytometry analysis revealed that vallesiachotamine induced G0/G1 arrest and increased the proportion of sub-G1 hypodiploid cells (at 11 μM and 22 μM) and this effect was not dependent on time of incubation. At these concentrations, a typical ladder was observed by agarose gel electrophoresis of the extracted DNA. Treatment of cells with 50 μM vallesiachotamine for 24 h caused extensive cytotoxicity and necrosis. Our results demonstrated that the indole alkaloid vallesiachotamine exhibited important cytotoxicity toward human melanoma cells and that apoptosis and necrosis might be responsible for the observed events. © The Pharmaceutical Society of Korea and Springer Netherlands 2012 |
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title_short |
In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells |
url |
https://dx.doi.org/10.1007/s12272-012-0320-7 |
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de Oliveira, Pollyana Laurindo de Oliveira, Cecília M. A. Kato, Lucilia Guillo, Lídia Andreu |
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de Oliveira, Pollyana Laurindo de Oliveira, Cecília M. A. Kato, Lucilia Guillo, Lídia Andreu |
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doi_str |
10.1007/s12272-012-0320-7 |
up_date |
2024-07-04T01:56:45.858Z |
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score |
7.400275 |