The discourse marker ni hai bie shuo(你还别说)often appears at the beginning of a sentence,connecting to a rich variety of clause types.Its co-occurring words are mostly those expressing subjective evaluation.The subs...The discourse marker ni hai bie shuo(你还别说)often appears at the beginning of a sentence,connecting to a rich variety of clause types.Its co-occurring words are mostly those expressing subjective evaluation.The subsequent discourse it connects to mainly consists of three clause types:explanatory,resultative,and adversative.The basic semantic structure of the segment in which it appears is:(S1)+ni hai bie shuo+S2.It serves seven textual functions,such as the agreement function,negation function,reminding function,and topic-shifting function.展开更多
目的探讨槲皮素抑制前列腺癌的作用机制。方法应用蛋白印迹技术检查槲皮素(quercetin)对雄激素受体(androgen receptor,AR)的辅调节因子c-Jun和cAMP应答元件结合蛋白的结合蛋白[cAMP response elem entb ind ing prote in(CREB)-b ind i...目的探讨槲皮素抑制前列腺癌的作用机制。方法应用蛋白印迹技术检查槲皮素(quercetin)对雄激素受体(androgen receptor,AR)的辅调节因子c-Jun和cAMP应答元件结合蛋白的结合蛋白[cAMP response elem entb ind ing prote in(CREB)-b ind ing prote in,CBP]蛋白表达的影响;利用细胞转染技术检测c-Jun和CBP对AR功能的影响;免疫沉淀技术检验c-Jun与AR的蛋白-蛋白相互作用。结果槲皮素能够明显诱导c-Jun的高表达,高表达的c-Jun能够抑制AR的功能。槲皮素对CBP的蛋白表达水平无明显影响,而增加CBP的表达并不能逆转槲皮素对AR功能的抑制作用。免疫沉淀结果表明,c-Jun与AR存在蛋白-蛋白相互作用。结论槲皮素抑制前列腺癌的机制可能是通过c-Jun与AR的蛋白相互作用,而不是通过c-Jun竞争结合AR的辅激活因子CBP来实现的。展开更多
文摘The discourse marker ni hai bie shuo(你还别说)often appears at the beginning of a sentence,connecting to a rich variety of clause types.Its co-occurring words are mostly those expressing subjective evaluation.The subsequent discourse it connects to mainly consists of three clause types:explanatory,resultative,and adversative.The basic semantic structure of the segment in which it appears is:(S1)+ni hai bie shuo+S2.It serves seven textual functions,such as the agreement function,negation function,reminding function,and topic-shifting function.
文摘目的探讨槲皮素抑制前列腺癌的作用机制。方法应用蛋白印迹技术检查槲皮素(quercetin)对雄激素受体(androgen receptor,AR)的辅调节因子c-Jun和cAMP应答元件结合蛋白的结合蛋白[cAMP response elem entb ind ing prote in(CREB)-b ind ing prote in,CBP]蛋白表达的影响;利用细胞转染技术检测c-Jun和CBP对AR功能的影响;免疫沉淀技术检验c-Jun与AR的蛋白-蛋白相互作用。结果槲皮素能够明显诱导c-Jun的高表达,高表达的c-Jun能够抑制AR的功能。槲皮素对CBP的蛋白表达水平无明显影响,而增加CBP的表达并不能逆转槲皮素对AR功能的抑制作用。免疫沉淀结果表明,c-Jun与AR存在蛋白-蛋白相互作用。结论槲皮素抑制前列腺癌的机制可能是通过c-Jun与AR的蛋白相互作用,而不是通过c-Jun竞争结合AR的辅激活因子CBP来实现的。