Drug discovery and development involve the utilization of in vitro and in vivo ex perimental models.Different models,ranging from test tube experiments to cell cultures,animals,healthy human subjects,and even small nu...Drug discovery and development involve the utilization of in vitro and in vivo ex perimental models.Different models,ranging from test tube experiments to cell cultures,animals,healthy human subjects,and even small numbers of patients that are involved in clinical trials,are used at different stages of drug discovery and development for determination of efficacy and safety.The proper selection and applications of correct models,as well as appropriate data interpretation,are critically important in decision making and succesful advancement of drug candidates.In this review,we discuss strategies in the applications of both in vitro and in vivo.experimental models of drug metabolism and disposition.展开更多
为探究2种旋毛虫丝氨酸蛋白酶抑制剂Ts Ad SPI和Ts Ka SPI对旋毛虫体外入侵肠上皮细胞的影响,建立了旋毛虫-Caco-2体外侵染模型,采用IPTG诱导大肠杆菌表达这2种旋毛虫丝氨酸蛋白酶抑制剂蛋白并大量纯化,探究不同剂量、不同作用时间Ts Ad...为探究2种旋毛虫丝氨酸蛋白酶抑制剂Ts Ad SPI和Ts Ka SPI对旋毛虫体外入侵肠上皮细胞的影响,建立了旋毛虫-Caco-2体外侵染模型,采用IPTG诱导大肠杆菌表达这2种旋毛虫丝氨酸蛋白酶抑制剂蛋白并大量纯化,探究不同剂量、不同作用时间Ts Ad SPI和Ts Ka SPI单独及共同作用于侵染模型对旋毛虫体外入侵肠上皮细胞的影响。结果表明:Ts Ad SPI和Ts Ka SPI对旋毛虫入侵肠上皮细胞均有促进作用:2种蛋白单独作用时,剂量为100 g且作用时间为5 h时,入侵率最高;2种蛋白共同作用时,剂量为100 g且作用时间为3 h时,入侵率最高;并且这2种蛋白的单独作用效果优于共同作用效果,这2种蛋白共同作用产生拮抗效果。为进一步研究旋毛虫丝氨酸蛋白酶抑制剂对旋毛虫入侵宿主的影响奠定了基础。展开更多
基金Xinxin Ding was supported in part by Public Health Service grants CA-092596 and ES007462 from the National Institutes of Health.
文摘Drug discovery and development involve the utilization of in vitro and in vivo ex perimental models.Different models,ranging from test tube experiments to cell cultures,animals,healthy human subjects,and even small numbers of patients that are involved in clinical trials,are used at different stages of drug discovery and development for determination of efficacy and safety.The proper selection and applications of correct models,as well as appropriate data interpretation,are critically important in decision making and succesful advancement of drug candidates.In this review,we discuss strategies in the applications of both in vitro and in vivo.experimental models of drug metabolism and disposition.
文摘为探究2种旋毛虫丝氨酸蛋白酶抑制剂Ts Ad SPI和Ts Ka SPI对旋毛虫体外入侵肠上皮细胞的影响,建立了旋毛虫-Caco-2体外侵染模型,采用IPTG诱导大肠杆菌表达这2种旋毛虫丝氨酸蛋白酶抑制剂蛋白并大量纯化,探究不同剂量、不同作用时间Ts Ad SPI和Ts Ka SPI单独及共同作用于侵染模型对旋毛虫体外入侵肠上皮细胞的影响。结果表明:Ts Ad SPI和Ts Ka SPI对旋毛虫入侵肠上皮细胞均有促进作用:2种蛋白单独作用时,剂量为100 g且作用时间为5 h时,入侵率最高;2种蛋白共同作用时,剂量为100 g且作用时间为3 h时,入侵率最高;并且这2种蛋白的单独作用效果优于共同作用效果,这2种蛋白共同作用产生拮抗效果。为进一步研究旋毛虫丝氨酸蛋白酶抑制剂对旋毛虫入侵宿主的影响奠定了基础。