Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells

Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most ca...
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Autor*in:	Nishimura, Noriyuki [verfasserIn] Hartomo, Tri Budi Pham, Thi Van Huyen Lee, Myeong Jin Yamamoto, Tomoto Morikawa, Satoru Hasegawa, Daiichiro Takeda, Hiroki Kawasaki, Keiichiro Kosaka, Yoshiyuki Yamamoto, Nobuyuki Kubokawa, Ikuko Mori, Takeshi Yanai, Tomoko Hayakawa, Akira Takeshima, Yasuhiro Iijima, Kazumoto Matsuo, Masafumi Nishio, Hisahide

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Schlagwörter:	Epigallocatechin gallate Neuroblastoma Tumor-initiating cell Sphere

Anmerkung:	© The Japanese Society for Hygiene 2011

Übergeordnetes Werk:	Enthalten in: Environmental health and preventive medicine - Heidelberg : Springer, 1996, 17(2011), 3 vom: 10. Sept., Seite 246-251
Übergeordnetes Werk:	volume:17 ; year:2011 ; number:3 ; day:10 ; month:09 ; pages:246-251

Links:	Volltext

DOI / URN:	10.1007/s12199-011-0239-5

Katalog-ID:	SPR025199315

Internformat


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100	1		\|a Nishimura, Noriyuki \|e verfasserin \|4 aut
245	1	0	\|a Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells
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520			\|a Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells.
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650		4	\|a Neuroblastoma \|7 (dpeaa)DE-He213
650		4	\|a Tumor-initiating cell \|7 (dpeaa)DE-He213
650		4	\|a Sphere \|7 (dpeaa)DE-He213
700	1		\|a Hartomo, Tri Budi \|4 aut
700	1		\|a Pham, Thi Van Huyen \|4 aut
700	1		\|a Lee, Myeong Jin \|4 aut
700	1		\|a Yamamoto, Tomoto \|4 aut
700	1		\|a Morikawa, Satoru \|4 aut
700	1		\|a Hasegawa, Daiichiro \|4 aut
700	1		\|a Takeda, Hiroki \|4 aut
700	1		\|a Kawasaki, Keiichiro \|4 aut
700	1		\|a Kosaka, Yoshiyuki \|4 aut
700	1		\|a Yamamoto, Nobuyuki \|4 aut
700	1		\|a Kubokawa, Ikuko \|4 aut
700	1		\|a Mori, Takeshi \|4 aut
700	1		\|a Yanai, Tomoko \|4 aut
700	1		\|a Hayakawa, Akira \|4 aut
700	1		\|a Takeshima, Yasuhiro \|4 aut
700	1		\|a Iijima, Kazumoto \|4 aut
700	1		\|a Matsuo, Masafumi \|4 aut
700	1		\|a Nishio, Hisahide \|4 aut
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allfields	10.1007/s12199-011-0239-5 doi (DE-627)SPR025199315 (SPR)s12199-011-0239-5-e DE-627 ger DE-627 rakwb eng Nishimura, Noriyuki verfasserin aut Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Japanese Society for Hygiene 2011 Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. Epigallocatechin gallate (dpeaa)DE-He213 Neuroblastoma (dpeaa)DE-He213 Tumor-initiating cell (dpeaa)DE-He213 Sphere (dpeaa)DE-He213 Hartomo, Tri Budi aut Pham, Thi Van Huyen aut Lee, Myeong Jin aut Yamamoto, Tomoto aut Morikawa, Satoru aut Hasegawa, Daiichiro aut Takeda, Hiroki aut Kawasaki, Keiichiro aut Kosaka, Yoshiyuki aut Yamamoto, Nobuyuki aut Kubokawa, Ikuko aut Mori, Takeshi aut Yanai, Tomoko aut Hayakawa, Akira aut Takeshima, Yasuhiro aut Iijima, Kazumoto aut Matsuo, Masafumi aut Nishio, Hisahide aut Enthalten in Environmental health and preventive medicine Heidelberg : Springer, 1996 17(2011), 3 vom: 10. Sept., Seite 246-251 (DE-627)37775918X (DE-600)2133273-3 1347-4715 nnns volume:17 year:2011 number:3 day:10 month:09 pages:246-251 https://dx.doi.org/10.1007/s12199-011-0239-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2106 GBV_ILN_2108 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4367 GBV_ILN_4700 AR 17 2011 3 10 09 246-251
spelling	10.1007/s12199-011-0239-5 doi (DE-627)SPR025199315 (SPR)s12199-011-0239-5-e DE-627 ger DE-627 rakwb eng Nishimura, Noriyuki verfasserin aut Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Japanese Society for Hygiene 2011 Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. Epigallocatechin gallate (dpeaa)DE-He213 Neuroblastoma (dpeaa)DE-He213 Tumor-initiating cell (dpeaa)DE-He213 Sphere (dpeaa)DE-He213 Hartomo, Tri Budi aut Pham, Thi Van Huyen aut Lee, Myeong Jin aut Yamamoto, Tomoto aut Morikawa, Satoru aut Hasegawa, Daiichiro aut Takeda, Hiroki aut Kawasaki, Keiichiro aut Kosaka, Yoshiyuki aut Yamamoto, Nobuyuki aut Kubokawa, Ikuko aut Mori, Takeshi aut Yanai, Tomoko aut Hayakawa, Akira aut Takeshima, Yasuhiro aut Iijima, Kazumoto aut Matsuo, Masafumi aut Nishio, Hisahide aut Enthalten in Environmental health and preventive medicine Heidelberg : Springer, 1996 17(2011), 3 vom: 10. Sept., Seite 246-251 (DE-627)37775918X (DE-600)2133273-3 1347-4715 nnns volume:17 year:2011 number:3 day:10 month:09 pages:246-251 https://dx.doi.org/10.1007/s12199-011-0239-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2106 GBV_ILN_2108 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4367 GBV_ILN_4700 AR 17 2011 3 10 09 246-251
allfields_unstemmed	10.1007/s12199-011-0239-5 doi (DE-627)SPR025199315 (SPR)s12199-011-0239-5-e DE-627 ger DE-627 rakwb eng Nishimura, Noriyuki verfasserin aut Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Japanese Society for Hygiene 2011 Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. Epigallocatechin gallate (dpeaa)DE-He213 Neuroblastoma (dpeaa)DE-He213 Tumor-initiating cell (dpeaa)DE-He213 Sphere (dpeaa)DE-He213 Hartomo, Tri Budi aut Pham, Thi Van Huyen aut Lee, Myeong Jin aut Yamamoto, Tomoto aut Morikawa, Satoru aut Hasegawa, Daiichiro aut Takeda, Hiroki aut Kawasaki, Keiichiro aut Kosaka, Yoshiyuki aut Yamamoto, Nobuyuki aut Kubokawa, Ikuko aut Mori, Takeshi aut Yanai, Tomoko aut Hayakawa, Akira aut Takeshima, Yasuhiro aut Iijima, Kazumoto aut Matsuo, Masafumi aut Nishio, Hisahide aut Enthalten in Environmental health and preventive medicine Heidelberg : Springer, 1996 17(2011), 3 vom: 10. Sept., Seite 246-251 (DE-627)37775918X (DE-600)2133273-3 1347-4715 nnns volume:17 year:2011 number:3 day:10 month:09 pages:246-251 https://dx.doi.org/10.1007/s12199-011-0239-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2106 GBV_ILN_2108 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4367 GBV_ILN_4700 AR 17 2011 3 10 09 246-251
allfieldsGer	10.1007/s12199-011-0239-5 doi (DE-627)SPR025199315 (SPR)s12199-011-0239-5-e DE-627 ger DE-627 rakwb eng Nishimura, Noriyuki verfasserin aut Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Japanese Society for Hygiene 2011 Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. Epigallocatechin gallate (dpeaa)DE-He213 Neuroblastoma (dpeaa)DE-He213 Tumor-initiating cell (dpeaa)DE-He213 Sphere (dpeaa)DE-He213 Hartomo, Tri Budi aut Pham, Thi Van Huyen aut Lee, Myeong Jin aut Yamamoto, Tomoto aut Morikawa, Satoru aut Hasegawa, Daiichiro aut Takeda, Hiroki aut Kawasaki, Keiichiro aut Kosaka, Yoshiyuki aut Yamamoto, Nobuyuki aut Kubokawa, Ikuko aut Mori, Takeshi aut Yanai, Tomoko aut Hayakawa, Akira aut Takeshima, Yasuhiro aut Iijima, Kazumoto aut Matsuo, Masafumi aut Nishio, Hisahide aut Enthalten in Environmental health and preventive medicine Heidelberg : Springer, 1996 17(2011), 3 vom: 10. Sept., Seite 246-251 (DE-627)37775918X (DE-600)2133273-3 1347-4715 nnns volume:17 year:2011 number:3 day:10 month:09 pages:246-251 https://dx.doi.org/10.1007/s12199-011-0239-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2106 GBV_ILN_2108 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4367 GBV_ILN_4700 AR 17 2011 3 10 09 246-251
allfieldsSound	10.1007/s12199-011-0239-5 doi (DE-627)SPR025199315 (SPR)s12199-011-0239-5-e DE-627 ger DE-627 rakwb eng Nishimura, Noriyuki verfasserin aut Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Japanese Society for Hygiene 2011 Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. Epigallocatechin gallate (dpeaa)DE-He213 Neuroblastoma (dpeaa)DE-He213 Tumor-initiating cell (dpeaa)DE-He213 Sphere (dpeaa)DE-He213 Hartomo, Tri Budi aut Pham, Thi Van Huyen aut Lee, Myeong Jin aut Yamamoto, Tomoto aut Morikawa, Satoru aut Hasegawa, Daiichiro aut Takeda, Hiroki aut Kawasaki, Keiichiro aut Kosaka, Yoshiyuki aut Yamamoto, Nobuyuki aut Kubokawa, Ikuko aut Mori, Takeshi aut Yanai, Tomoko aut Hayakawa, Akira aut Takeshima, Yasuhiro aut Iijima, Kazumoto aut Matsuo, Masafumi aut Nishio, Hisahide aut Enthalten in Environmental health and preventive medicine Heidelberg : Springer, 1996 17(2011), 3 vom: 10. Sept., Seite 246-251 (DE-627)37775918X (DE-600)2133273-3 1347-4715 nnns volume:17 year:2011 number:3 day:10 month:09 pages:246-251 https://dx.doi.org/10.1007/s12199-011-0239-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2106 GBV_ILN_2108 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4367 GBV_ILN_4700 AR 17 2011 3 10 09 246-251
language	English
source	Enthalten in Environmental health and preventive medicine 17(2011), 3 vom: 10. Sept., Seite 246-251 volume:17 year:2011 number:3 day:10 month:09 pages:246-251
sourceStr	Enthalten in Environmental health and preventive medicine 17(2011), 3 vom: 10. Sept., Seite 246-251 volume:17 year:2011 number:3 day:10 month:09 pages:246-251
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Epigallocatechin gallate Neuroblastoma Tumor-initiating cell Sphere
isfreeaccess_bool	false
container_title	Environmental health and preventive medicine
authorswithroles_txt_mv	Nishimura, Noriyuki @@aut@@ Hartomo, Tri Budi @@aut@@ Pham, Thi Van Huyen @@aut@@ Lee, Myeong Jin @@aut@@ Yamamoto, Tomoto @@aut@@ Morikawa, Satoru @@aut@@ Hasegawa, Daiichiro @@aut@@ Takeda, Hiroki @@aut@@ Kawasaki, Keiichiro @@aut@@ Kosaka, Yoshiyuki @@aut@@ Yamamoto, Nobuyuki @@aut@@ Kubokawa, Ikuko @@aut@@ Mori, Takeshi @@aut@@ Yanai, Tomoko @@aut@@ Hayakawa, Akira @@aut@@ Takeshima, Yasuhiro @@aut@@ Iijima, Kazumoto @@aut@@ Matsuo, Masafumi @@aut@@ Nishio, Hisahide @@aut@@
publishDateDaySort_date	2011-09-10T00:00:00Z
hierarchy_top_id	37775918X
id	SPR025199315
language_de	englisch
fullrecord	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR025199315</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230519222739.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201007s2011 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s12199-011-0239-5</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR025199315</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s12199-011-0239-5-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Nishimura, Noriyuki</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2011</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Japanese Society for Hygiene 2011</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. 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author	Nishimura, Noriyuki
spellingShingle	Nishimura, Noriyuki misc Epigallocatechin gallate misc Neuroblastoma misc Tumor-initiating cell misc Sphere Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells
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topic_title	Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells Epigallocatechin gallate (dpeaa)DE-He213 Neuroblastoma (dpeaa)DE-He213 Tumor-initiating cell (dpeaa)DE-He213 Sphere (dpeaa)DE-He213
topic	misc Epigallocatechin gallate misc Neuroblastoma misc Tumor-initiating cell misc Sphere
topic_unstemmed	misc Epigallocatechin gallate misc Neuroblastoma misc Tumor-initiating cell misc Sphere
topic_browse	misc Epigallocatechin gallate misc Neuroblastoma misc Tumor-initiating cell misc Sphere
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title	Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells
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title_full	Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells
author_sort	Nishimura, Noriyuki
journal	Environmental health and preventive medicine
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author_browse	Nishimura, Noriyuki Hartomo, Tri Budi Pham, Thi Van Huyen Lee, Myeong Jin Yamamoto, Tomoto Morikawa, Satoru Hasegawa, Daiichiro Takeda, Hiroki Kawasaki, Keiichiro Kosaka, Yoshiyuki Yamamoto, Nobuyuki Kubokawa, Ikuko Mori, Takeshi Yanai, Tomoko Hayakawa, Akira Takeshima, Yasuhiro Iijima, Kazumoto Matsuo, Masafumi Nishio, Hisahide
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doi_str_mv	10.1007/s12199-011-0239-5
title_sort	epigallocatechin gallate inhibits sphere formation of neuroblastoma be(2)-c cells
title_auth	Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells
abstract	Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. © The Japanese Society for Hygiene 2011
abstractGer	Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. © The Japanese Society for Hygiene 2011
abstract_unstemmed	Objectives A growing number of epidemiological studies have demonstrated that the consumption of green tea inhibits the growth of a variety of cancers. Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. Conclusions The present results suggest that EGCG may inhibit the development of TICs in BE(2)-C cells. © The Japanese Society for Hygiene 2011
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title_short	Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells
url	https://dx.doi.org/10.1007/s12199-011-0239-5
remote_bool	true
author2	Hartomo, Tri Budi Pham, Thi Van Huyen Lee, Myeong Jin Yamamoto, Tomoto Morikawa, Satoru Hasegawa, Daiichiro Takeda, Hiroki Kawasaki, Keiichiro Kosaka, Yoshiyuki Yamamoto, Nobuyuki Kubokawa, Ikuko Mori, Takeshi Yanai, Tomoko Hayakawa, Akira Takeshima, Yasuhiro Iijima, Kazumoto Matsuo, Masafumi Nishio, Hisahide
author2Str	Hartomo, Tri Budi Pham, Thi Van Huyen Lee, Myeong Jin Yamamoto, Tomoto Morikawa, Satoru Hasegawa, Daiichiro Takeda, Hiroki Kawasaki, Keiichiro Kosaka, Yoshiyuki Yamamoto, Nobuyuki Kubokawa, Ikuko Mori, Takeshi Yanai, Tomoko Hayakawa, Akira Takeshima, Yasuhiro Iijima, Kazumoto Matsuo, Masafumi Nishio, Hisahide
ppnlink	37775918X
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isOA_txt	false
hochschulschrift_bool	false
doi_str	10.1007/s12199-011-0239-5
up_date	2024-07-03T14:30:30.095Z
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Epigallocatechin gallate (EGCG), the most abundant catechin in green tea, has been shown to have an anti-cancer effect against many cancers. Most cancers are believed to be initiated from and maintained by a small population of tumor-initiating cells (TICs) that are responsible for chemotherapeutic resistance and tumor relapse. In neuroblastoma, an aggressive pediatric tumor that often relapses and has a poor prognosis, TICs were recently identified as spheres grown in a serum-free non-adherent culture used for neural crest stem cell growth. Although EGCG has been reported to induce growth arrest and apoptosis in neuroblastoma cells, its effect on neuroblastoma TICs remains to be defined. Methods Gene expression was analyzed by real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of EGCG on cell proliferation, apoptosis, and sphere formation were determined by cell counting, propidium iodide staining, and sphere (>100 μm in diameter) counting, respectively. Results Neuroblastoma BE(2)-C cells showed increased expression of stem cell markers (nanog homeobox [NANOG] and octamer-binding transcription factor 4 [OCT4]), as well as decreased expression of neuronal differentiation markers ($ Cu^{2+} $-transporting ATPase alpha polypeptide [ATP7A] and dickkopf homolog 2 [DKK2]) in spheres grown in serum-free non-adherent culture, compared to parental cells grown in conventional culture. Although EGCG induced growth arrest and apoptosis in the parental cells in a dose-dependent manner, it was not effective against spheres. However, EGCG potently inhibited sphere formation in the BE(2)-C cells. 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Epigallocatechin gallate inhibits sphere formation of neuroblastoma BE(2)-C cells

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