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Emulsion and polyphase liposome (PL) of ricinoleic acid (RA) and RA containing selenium (Se-RA) were prepared by tween-80 treatment and injection-ultrasonic method. Their antitumor effects were tested in vitro and in vivo. As a result, the emulsion of RA (91 ) and Sc-RA (92) can completely kill the mouse ascites tumor cells of S180 in vitro (500 μg/ml). While. 97% cells of the control group still survive. When tested in vivo, 91 and 92 were injected into mice peritoneally (200 mg/Kg/day) for 7 days, their inhibit rate on S180 are 30. 6% (P<0. 05) and 33. 3% (P<0. 05) respectively. For the PL of RA (113) and Se-RA (114), the inhibit rate are 58% (P< 0.001) and 61.4% (P<0. 001) respectively (400 mg/kg/day). The result of 3H-TdR incorporation experiment indicates that the possible antitumor mechanism of Se-Ra is that it can inhibit the incorporation of 3H- TdR into tumor cells and hense inhibit the DNA synthesis of the tumor cells. 相似文献
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患者,男性,85岁,反复发作性上腹痛5年,进食后可缓解,伴反酸、嗳气和上腹饱胀,与季节无关,无噁心呕吐。近半年上腹痛加重,服用解痉、止酸药无效入院。体检:心肺(-)。腹软,肝脾(-),右上腹有压痛。便潜血(++)。胃镜:胃窦大弯后壁5cm×4cm肿物,表面凹凸不平、充血、水肿,有点片状糜烂,胃窦粘膜充血水肿,病理活检示急性炎症伴糜烂,疑为恶性肿瘤。行胃大部分切除术。术中见胃窦大弯5cm×5cm×3cm肿物,质软,表面呈颗粒状,粘膜糜烂出血,包块中央有囊肿(1cm大小),充满胶冻样血性 相似文献
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胃复安为临床常用药物,主要用于肠道疾病及化疗药物引起的胃肠道反应。其最常见副作用是神经系统症状,现将我们近年遇到的14例报告如下。一般资料本文14例中男性10例,女性4例。年龄6~58岁,平均28.4岁。因肠道疾病,肿瘤患者化疗前后、及药物副反应而服用胃复安。每日口服胃复安15mg2例、30mg者9例,每日口服30mg 和肌注或静脉注射20~40mg 者3例,12小时出现症状者3例,12小时~2天者7例,3天~3周者3例,6个月1例。 相似文献
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胃复安为临床常用药物,主要用于肠道疾病及化疗药物引起的胃肠道反应。其最常见副作用是神经系统症状,现将我们近年遇到的14例报告如下。一般资料本文14例中男性10例,女性4例。年龄6~58岁,平均28.4岁。因肠道疾病,肿瘤患者化疗前后、及药物副反应而服用胃复安。每日口服胃复安15mg2例、30mg者9例,每日口服30mg 和肌注或静脉注射20~40mg 者3例,12小时出现症状者3例,12小时~2天者7例,3天~3周者3例,6个月1例。 相似文献