目的：探讨CyclinA2基因5′-U T R区rs769236位点多态性与结直肠癌易感性的关系。方法采用病例-对照研究，收集150例结直肠癌患者及150例健康对照者，以聚合酶链反应-限制性片段长度多态性法（PCR-RFLP）检测CyclinA2基因rs769236位点...目的：探讨CyclinA2基因5′-U T R区rs769236位点多态性与结直肠癌易感性的关系。方法采用病例-对照研究，收集150例结直肠癌患者及150例健康对照者，以聚合酶链反应-限制性片段长度多态性法（PCR-RFLP）检测CyclinA2基因rs769236位点单核苷酸多态性。rs769236多态性与结直肠癌发病风险的关系采用非条件logistic回归分析。结果与 rs769236 GG野生基因型相比，rs769236突变基因型（GA＋AA）携带者罹患结直肠癌的风险显著增高（校正 OR＝1．92，95％ CI＝1．10～3．36）。结论 CyclinA2基因rs769236多态性与CRC发病风险增高显著有关，突变基因型（GA＋AA）是人群罹患结直肠癌的独立危险因素。展开更多
A series of novel 7 -azaindirubin(1a-g) and 7-azaindirubin(2a,2c,2e and 2f) derivatives were designed and synthesized.Their structures were characterized by ~1H NMR and MS spectroscopy as well as by elemental analysis...A series of novel 7 -azaindirubin(1a-g) and 7-azaindirubin(2a,2c,2e and 2f) derivatives were designed and synthesized.Their structures were characterized by ~1H NMR and MS spectroscopy as well as by elemental analysis.Their inhibitory properties against CDK2/cylinA were evaluated in vitro.In contrast to indirubin,some of the described azaindirubins emerged as potent inhibitors of CDK2/cylinA and compound 2b had more potent activity.Biological tests also showed that nitrogen atom at 7-position of azaindirubi...展开更多
文摘A series of novel 7 -azaindirubin(1a-g) and 7-azaindirubin(2a,2c,2e and 2f) derivatives were designed and synthesized.Their structures were characterized by ~1H NMR and MS spectroscopy as well as by elemental analysis.Their inhibitory properties against CDK2/cylinA were evaluated in vitro.In contrast to indirubin,some of the described azaindirubins emerged as potent inhibitors of CDK2/cylinA and compound 2b had more potent activity.Biological tests also showed that nitrogen atom at 7-position of azaindirubi...
