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石上柏的药理作用与抗肿瘤研究

ว 2026-09-09 23:09:30ที่ 药理作用เ 中国国际医疗服务系统
石上柏为卷柏科植物深绿卷柏的全草,别名大叶菜、梭罗草、地梭罗、金龙草、龙鳞草。化学成分含大麦芽碱-O-α-L-吡喃鼠李糖甙、N-甲基酪胺-O-α-L-吡喃鼠李糖甙、(E)-大麦芽碱-(6-O-肉桂酰-β-D-吡喃葡萄糖基)-(1→3)-α-L-吡喃鼠李糖甙等生物碱类化合物。药理作用:本品所含生物碱对小鼠肉瘤S180有较好的抑制作用。将石上柏制剂给实验性肝癌小鼠灌胃,连续给药12天,对肿瘤虽无抑制作用,但能明显延长动物的生存天数。解剖后发现用药组动物肾上腺皮质囊状带肥大,脑、心、肺和肾组织正常。石上柏水提取物对小鼠的逆病毒反转录酶和人DNA聚合酶有抑制作用,对反转录酶的50%抑制浓度(IC50)为10μg/ml,对DNA聚合酶的50%抑制浓度(IC50)为9.0μg/ml。另有实验证明从石上柏中提取的一种酸性物质具有细胞毒活性。临床应用石上柏片(治癌片)用于肿瘤辅助治疗。
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