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您的检索式：作者名="Hiroo Toyoda"
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| 1 | Arsenic Disulfide Induced Apoptosis and Concurrently Promoted Erythroid Differentiation in Cytokine-Dependent Myelodysplastic Syndrome-progressed Leukemia Cell Line F-36p with Complex Karyotype Including Monosomy 7显示文摘Objective:Acute myeloid leukemia progressed from myelodysplastic syndrome(MDS/AML)is generally incurable with poor prognosis for complex karyotype including monosomy 7(-7).Qinghuang Powder(青黄散,QHP),which includes Qing Dai(Indigo naturalis)and Xiong Huang(realgar)in the formula,is effective in treating MDS or MDS/AML even with the unfavorable karyotype,and its therapeutic efficacy could be enhanced by increasing the Xiong huang content in the formula,while Xiong huang contains>90%arsenic disulfide(As_2S_2).F-36p cell line was established from a MDS/AML patient with complex karyotype including-7,and was in cytokine-dependent.The present study was to investigate the effects of AS_2S_2 on F-36p cells.Methods:Cell proliferation was measured by an3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT)assay.Cell apoptosis was identified by Annexin V-staining.Cell viability was determined by a propidium iodide(PI)exclusion.Erythroid differentiation was evaluated by the expression of cell surface antigen CD235a(GpA).Results:After treatment with AS_2S_2,at concentrations of 0.5to 16μmol/L for 72 h,As_2S_2 inhibited the proliferation of F-36p cells.The 50%inhibitory concentrations(IC_(50))of As_2S_2against the proliferation of F-36p cells was 6μmol/L.The apoptotic cells significantly increased in a dose-dependent mannar(P<0.05).The cell viabilities were significantly inhibited by As_2S_2 dose-dependent in a dose-dependent manner(P<0.05).Significant increases of CD235a-positive cells were concurrently observed(P<0.05)also in a dosedependent manner.Conclusions:As_2S_2 could inhibit proliferation and viability,induce apoptosis,and concurrently promote erythroid differentiation dose-dependently in F-36p cells.AS_2S_2 can inhibit proliferation and viability,induce apoptosis,and concurrently promote erythroid differentiation in cytokine-dependent MDS-progressed human leukemia cell line F-36p with complex karyotype including-7.The data suggest that QHP and/or As_2S_2 could be a potential candidate in the treatment of MDS or MDS/AML even with unfavorable cytogenetics. | 胡晓梅 Sachiko Tanaka Kenji Onda 袁博 Hiroo Toyoda 麻柔 刘峰 Toshihiko Hirano | 2014 | Chinese Journal of Integrative Medicine2014，20，5： | 20 |
| 2 | Cytotoxic effects of flavonoids against a human colon cancer derived cell line, COLO 201: A potential natural anti-cancer substance显示文摘 | Masahiko Imai Hidetomo Kikuchi Takanori Denda Kunio Ohyama Chieko Hirobe Hiroo Toyoda | 2008 | Cancer Letters2008，，1： | 1 |
| 3 | Possible Roles of Proinflammatory and Chemoattractive Cytokines Produced by Human Fetal Membrane Cells in the Pathology of Adverse Pregnancy Outcomes Associated with Influenza Virus Infection显示文摘 | Noboru Uchide Kunio Ohyama Toshio Bessho Makoto Takeichi Hiroo Toyoda Felipe Vadillo-Ortega | 2012 | Mediators of Inflammation2012，，： | 1 |
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