[目的]探讨益气消毒方对炎症性贫血(anemia of inflammation,AI)模型大鼠造血功能,以及白细胞介素-6(interleukin-6,IL-6)、铁调素(hepcidin)水平的影响。[方法]40只Wistar大鼠中随机选取5只作为正常组,35只采用尾部皮下注射胶原乳剂的...[目的]探讨益气消毒方对炎症性贫血(anemia of inflammation,AI)模型大鼠造血功能,以及白细胞介素-6(interleukin-6,IL-6)、铁调素(hepcidin)水平的影响。[方法]40只Wistar大鼠中随机选取5只作为正常组,35只采用尾部皮下注射胶原乳剂的方法制备胶原诱导型关节炎(collagen-induced arthritis,CIA)大鼠模型,并在此基础上,连续7 d腹腔注射0.1μg·mL-1的IL-6溶液0.4 mL,诱导胶原诱导型关节炎伴炎症性贫血(collagen-induced arthritis with anemia of inflammation,CIA-AI)。将造模成功的20只大鼠随机分成模型组,益气消毒方低、中、高剂量组,各组每天灌胃给予相应药物,连续2周。检测大鼠外周白细胞(white blood cell,WBC)、红细胞(red blood cell,RBC)、血红蛋白(hemoglobin,HGB)、平均红细胞体积(mean red blood cell volume,MCV)和血小板(platelet,PLT)水平;计算比较肝脏和单侧股骨指数;以酶联免疫吸附试验(enzyme-linked immunosorbent assay,ELISA)检测大鼠血清及肝组织匀浆IL-6、hepcidin、铁蛋白和铁水平;苏木素-伊红(hematoxylin-eosin,HE)染色观察骨髓病理形态学变化。[结果]与正常组比较,模型组WBC、RBC和HGB水平明显降低,肝脏指数升高(P<0.05),单侧股骨指数显著下降(P<0.01);血清及肝组织匀浆IL-6、hepcidin、铁蛋白水平显著升高(P<0.01),铁水平明显下降(P<0.05);股骨骨髓中粒细胞和巨核细胞减少,髓腔内充填水肿的血管纤维脂肪组织。与模型组比较,益气消毒方高剂量组大鼠外周血WBC、RBC和HGB水平升高,单侧股骨指数升高,肝脏指数下降,血清及肝组织匀浆中铁水平显著升高(P<0.01),IL-6、hepcidin、铁蛋白水平下降(P<0.05);股骨骨髓病理形态改善。[结论]益气消毒方可能通过调控机体炎症及骨髓造血关键因子IL-6、hepcidin水平,发挥纠正CIA-AI模型大鼠贫血的功效。展开更多
This study aimed to examine the effect of different disinfection methods on the callus of Amorphophallus albus in the tissue culture and rapid propagation system.The calluses induced from buds of A.albus were disinfec...This study aimed to examine the effect of different disinfection methods on the callus of Amorphophallus albus in the tissue culture and rapid propagation system.The calluses induced from buds of A.albus were disinfected with benzalkonium bromide,mercury bichloride,sodium hypochlorite,and ethanol,respectively,for different time periods.The growth of calluses was compared between different treatments and observed in detail by dissection.The results showed that the disinfection with 0.1% mercury bichloride for 5 min and 75% ethanol for 5 s had mild effect on the callus,with the lowest browning rates of 16.32% and 15.46% and the lowest vitrification rates of 3.24% and 9.72%,respectively,after 20 d.The disinfection with benzalkonium bromide and sodium hypochlorite had strong effect on the callus cells,with the lowest browning rate of 50.69% and 25.12% and the lowest vitrification rates of 28.47% and 28.43%,respectively.The cytological observation result showed that the calluses disinfected with ethanol and mercury bichloride showcased compact structures,while those disinfected with sodium hypochlorite and benzalkonium bromide exhibited loose structures.To sum up,it is recommended that 75% ethanol or 0.1% mercury bichloride can be used for disinfection in the tissue culture and rapid propagation of A.albus,while the use of benzalkonium bromide and sodium hypochlorite should be avoided as much as possible.展开更多
文摘This study aimed to examine the effect of different disinfection methods on the callus of Amorphophallus albus in the tissue culture and rapid propagation system.The calluses induced from buds of A.albus were disinfected with benzalkonium bromide,mercury bichloride,sodium hypochlorite,and ethanol,respectively,for different time periods.The growth of calluses was compared between different treatments and observed in detail by dissection.The results showed that the disinfection with 0.1% mercury bichloride for 5 min and 75% ethanol for 5 s had mild effect on the callus,with the lowest browning rates of 16.32% and 15.46% and the lowest vitrification rates of 3.24% and 9.72%,respectively,after 20 d.The disinfection with benzalkonium bromide and sodium hypochlorite had strong effect on the callus cells,with the lowest browning rate of 50.69% and 25.12% and the lowest vitrification rates of 28.47% and 28.43%,respectively.The cytological observation result showed that the calluses disinfected with ethanol and mercury bichloride showcased compact structures,while those disinfected with sodium hypochlorite and benzalkonium bromide exhibited loose structures.To sum up,it is recommended that 75% ethanol or 0.1% mercury bichloride can be used for disinfection in the tissue culture and rapid propagation of A.albus,while the use of benzalkonium bromide and sodium hypochlorite should be avoided as much as possible.
