氧化苦参碱抑制二硝基氟苯所致小鼠接触性皮炎及淋巴细胞增殖  

Effect of oxymatrine on mouse allergic contact dermatitis induced by DNFB and lymphocyte proliferation stimulated by Con A

作　　者：伍斌[1] 蔡小嫦[1] 曾耀英[2] 施军[1] 王通[2] 肇静娴[2] 黄秀艳[2] 

机构地区：[1]暨南大学附属第一医院皮肤科,广东广州510632 [2]暨南大学组织移植与免疫中心教育部重点实验室,广东广州510632

出　　处：《中国病理生理杂志》2005年第5期931-935,共5页Chinese Journal of Pathophysiology

摘　　要：目的探讨氧化苦参碱(OMT)对二硝基氟苯(DNFB)所致小鼠变应性接触性皮炎(ACD)的抑制作用及小鼠淋巴细胞增殖的影响。方法①建立DNFB所致小鼠ACD模型,以不同剂量的OMT、PBS、氢化可的松(HCT)进行腹腔注射,检测小鼠耳廓肿胀度变化。②利用羧基荧光素乙酰乙酸(CFDA-SE)染色,流式细胞术检测OMT对小鼠淋巴细胞增殖的影响。结果①OMT对DNFB所致小鼠ACD呈剂量依赖性抑制作用,且与同等剂量HCT作用效果相似,但副作用明显减小。②体外实验证明,在500、125和31mg/L组,OMT对小鼠淋巴细胞增殖呈剂量依赖性抑制。结论OMT对DNFB所致小鼠ACD有显著的抑制作用,而且抑制小鼠淋巴细胞增殖;OMT是一种免疫抑制剂。AIM: To explore the inhibitory effect of oxymatrine (OMT) on the allergic contact dermatitis (ACD) stimulated by dinitrofluorobenzene (DNFB) and its effects on the proliferation of the lymphocytes. METHODS: ① An ACD mouse model was established by stimulation with DNFB, and then the mice were injected intraperitoneally with different dosages of OMT, PBS and hydrocortisone (HCT) respectively, the swelling degree of their auricles was examined. ② Carboxyfluorescein diacetate, succinimidyl ester (CFDA-SE) dye and flow cytometer were used to examine the fluorescence intensity changes of lymphocytes stimulated by polyclonal stimulator ConA and OMT. RESULTS: ① compared with PBS group, OMT possessed the strong inhibitory effect on the ACD caused by DNFB in a dose-dependent manner, and its inhibitory effect was equivalent to the HCT of the same dosage with fewer side effects. ② In vitro experiments proved that OMT (500, 125 and 31 mg/L) had the ability to restrain the proliferation of lymphocytes of mouse. CONCLUSION: OMT possesses an inhibitory effect on the ACD induced by DNFB, and OMT is a kind of immunosuppressor.

关 键 词：二硝基氟苯 皮炎 变应性接触性 苦参 淋巴细胞 

分 类 号：R363[医药卫生—病理学]