Pyrrolo[1,2-<i>b</i>][1,2,5]benzothiadiazepines (PBTDs): A New Class of Agents with High Apoptotic Activity in Chronic Myelogenous Leukemia K562 Cells and in Cells from Patients at Onset and Who Were Imatinib-Resistant
作者:Romano Silvestri、Gabriella Marfè、Marino Artico、Giuseppe La Regina、Antonio Lavecchia、Ettore Novellino、Manuela Morgante、Carla Di Stefano、Gianfranco Catalano、Giuseppe Filomeni、Elisabetta Abruzzese、Maria Rosa Ciriolo、Matteo Antonio Russo、Sergio Amadori、Roberto Cirilli、Francesco La Torre、Paola Sinibaldi Salimei
DOI:10.1021/jm0602716
日期:2006.9.1
Pyrrolo[1,2-b][1,2,5]benzothiadiazepine 5,5-dioxides (PBTDs) induced apoptosis in human BCR-ABL-expressing leukemia cells. The apoptotic activity was also observed in primary leukemic blasts, obtained from chronic myelogenous leukemia (CML) patients at onset or from patients in blast crisis and who were imatinib-resistant. Compounds 5 and 14 induced apoptosis before BCR-ABL protein expression and tyrosin
吡咯并[1,2-b] [1,2,5]苯并噻二氮杂5,5-二氧化物(PBTDs)诱导表达人BCR-ABL的白血病细胞凋亡。在原发性白血病母细胞中也观察到了细胞凋亡活性,该原发性白血病母细胞是从慢性粒细胞性白血病(CML)患者发作时或爆炸危险中且对伊马替尼具有耐药性的患者获得的。在BCR-ABL蛋白表达和酪氨酸磷酸化受到影响并激活凋亡途径中的不同胱天蛋白酶之前,化合物5和14诱导了细胞凋亡。PBTD是治疗CML的一类新的有效候选药物。