No Pido Mucho Para estas Fiestas . Solo Quiero Que Tengáis Buena Salud, Seais Felices y Muy Querid@s .
06 noviembre 2018
Zepsyre ... Otras Dos Expectativa Más . "" Es Altamente Efectivo en el Cáncer Cervical Uterino porque Elimina las CSC "" ... "" Y Además También es un Agente Prometedor para Superar la Resistencia del Platino en el Cáncer Cervical "".
Lurbinectedin (PM01183), a Selective Inhibitor of Active Transcription, Effectively Eliminates Both Cancer Cells and Cancer Stem Cells in Preclinical Models of Uterine Cervical Cancer.
Eriko YokoiSeiji MabuchiEmail authorKotaro ShimuraNaoko KomuraKatsumi KozasaHiromasa KurodaRyoko TakahashiTomoyuki SasanoMahiru KawanoYuri MatsumotoMichiko KodamaKae HashimotoKenjiro SawadaTadashi Kimura
First Online: 30 October 2018 .
Objective :
The objective of this study was to evaluate the antitumor effects of lurbinectedin on cervical cancer with a special focus on its effects on cancer stem cells (CSCs).
Methods :
Using two cervical cell lines (ME180 and CaSki cells), the antitumor effects of lurbinectedin were assessed in vitro using the MTS assay and colony formation assay. The growth inhibitory effects of paclitaxel and cisplatin were also evaluated as controls. By employing ALDH1 activity as a marker of CSCs, the antitumor effects of lurbinectedin on cervical CSCs and non-CSCs were individually evaluated. Finally, we investigated the mechanisms by which lurbinectedin eliminated cervical CSCs.
Results :
Lurbinectedin had significant antitumor activity toward cervical cancer cells at low nanomolar concentrations in vitro. Mouse xenografts of cervical cancer revealed that lurbinectedin significantly inhibits tumor growth. The growth-inhibitory effect of lurbinectedin was greater than that of cisplatin and paclitaxel. ALDH-high CSCs were observed in both cervical cancer cell lines (4.4% and 2.4% in ME180 and CaSki cells, respectively). Lurbinectedin downregulated stem cell-related gene expression (Oct4, Nanog, and SOX2), inhibited HDAC1 activity, and effectively eliminated ALDH-high CSCs.
Conclusions :
Lurbinectedin is highly effective on uterine cervical cancer because it eliminates CSCs, and lurbinectedin is a promising agent to overcome platinum resistance in cervical cancer.
Eriko YokoiSeiji MabuchiEmail authorKotaro ShimuraNaoko KomuraKatsumi KozasaHiromasa KurodaRyoko TakahashiTomoyuki SasanoMahiru KawanoYuri MatsumotoMichiko KodamaKae HashimotoKenjiro SawadaTadashi Kimura
First Online: 30 October 2018 .
Objective :
The objective of this study was to evaluate the antitumor effects of lurbinectedin on cervical cancer with a special focus on its effects on cancer stem cells (CSCs).
Methods :
Using two cervical cell lines (ME180 and CaSki cells), the antitumor effects of lurbinectedin were assessed in vitro using the MTS assay and colony formation assay. The growth inhibitory effects of paclitaxel and cisplatin were also evaluated as controls. By employing ALDH1 activity as a marker of CSCs, the antitumor effects of lurbinectedin on cervical CSCs and non-CSCs were individually evaluated. Finally, we investigated the mechanisms by which lurbinectedin eliminated cervical CSCs.
Results :
Lurbinectedin had significant antitumor activity toward cervical cancer cells at low nanomolar concentrations in vitro. Mouse xenografts of cervical cancer revealed that lurbinectedin significantly inhibits tumor growth. The growth-inhibitory effect of lurbinectedin was greater than that of cisplatin and paclitaxel. ALDH-high CSCs were observed in both cervical cancer cell lines (4.4% and 2.4% in ME180 and CaSki cells, respectively). Lurbinectedin downregulated stem cell-related gene expression (Oct4, Nanog, and SOX2), inhibited HDAC1 activity, and effectively eliminated ALDH-high CSCs.
Conclusions :
Lurbinectedin is highly effective on uterine cervical cancer because it eliminates CSCs, and lurbinectedin is a promising agent to overcome platinum resistance in cervical cancer.
Leucemia . EMA concede una evaluación acelerada a la Solicitud de Autorización de Comercialización de Quizartinib (Daiichi Sankyo) para el tratamiento de pacientes con LMA recidivante o refractaria con mutación FLT3-ITD .
... La validación confirma que la solicitud está completa e inicia el proceso de revisión científica por parte del Comité de Medicamentos de Uso Humano (CHMP) de la EMA. Se realiza una evaluación acelerada de los productos que se espera que sean de gran interés para la salud pública y la innovación terapéutica, y puede reducir significativamente los plazos de revisión.
La designación europea de MAA se basa en los resultados del estudio pivotal de fase 3 Quantum-R de quizartinib, que fue el primer estudio aleatorizado de fase 3 que ha demostrado que un inhibidor de FLT3 prolonga la supervivencia global como agente único oral en comparación con la quimioterapia en pacientes con LMA recidivante/refractaria con mutación FLT3-ITD. Los resultados principales del estudio QuANTUM-R de fase 3 se presentaron durante la sesión plenaria del 23º Congreso de la Asociación Europea de Hematología en junio de 2018. ...
La designación europea de MAA se basa en los resultados del estudio pivotal de fase 3 Quantum-R de quizartinib, que fue el primer estudio aleatorizado de fase 3 que ha demostrado que un inhibidor de FLT3 prolonga la supervivencia global como agente único oral en comparación con la quimioterapia en pacientes con LMA recidivante/refractaria con mutación FLT3-ITD. Los resultados principales del estudio QuANTUM-R de fase 3 se presentaron durante la sesión plenaria del 23º Congreso de la Asociación Europea de Hematología en junio de 2018. ...
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