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BI-D1870 Causes the Rats’ Learning and Memory Acquisition Ability Impairment 被引量:1
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作者 Chaojie Zhang Ke He +1 位作者 Caixia Li Yazhen Shang 《Journal of Biosciences and Medicines》 CAS 2023年第1期82-97,共16页
Aim: To observe the rats’ learning and memory acquisition ability disturbance induced by BI-D1870. Methods: Male SD rats were randomly divided into control group, solvent control group and BI-D1870 group. The rats in... Aim: To observe the rats’ learning and memory acquisition ability disturbance induced by BI-D1870. Methods: Male SD rats were randomly divided into control group, solvent control group and BI-D1870 group. The rats in the control group were intraperitoneally injected with saline, while those in the solvent control group were intraperitoneally injected with DMSO + sulfobutyl-β-cyclodextrin solvent, and those in the BI-D1870 group were intraperitoneally injected with BI-D1870. All the rats’ appearance and behavior were daily observed, and body weight was recorded on the day 15, 30, 45, 60, 75 and 82 of BI-D1870 injected. Morris water maze was used to screen the rats’ learning and memory acquisition ability on the day 22 - 25, 52 - 55, and 82 - 85 of training by BI-D1870 treated. The successful rates of the rats’ memory impairment were respectively calculated for three times screening. Results: During the whole experiment, there was no obvious difference in appearance and fur color in all rats. The rats’ agitation began to appear on the day 10th of BI-D1870 given. The agitation rats’ number and rats’ body weight gradually increased along with BI-D1870 treated (P P Conclusion: Intraperitoneal injection of BI-D1870 can induce the rats’ learning and memory acquisition ability disorder. 展开更多
关键词 bi-d1870 Learning and Memory Acquisition Impairment Morris Water Maze RSK Inhibitor
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BI-D1870对N2a细胞毒作用
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作者 易妍 商亚珍 《神经药理学报》 2023年第3期1-9,共9页
目的:探讨RSK抑制剂BI-D1870对N2a细胞毒作用,确定产生细胞毒作用的浓度和时间。方法:N2a细胞体外培养,免疫荧光法鉴定神经细胞特异性蛋白神经源性分化因子1(neurogenic differentiation 1,NeuroD1)、神经元核抗原(neuronal nuclei anti... 目的:探讨RSK抑制剂BI-D1870对N2a细胞毒作用,确定产生细胞毒作用的浓度和时间。方法:N2a细胞体外培养,免疫荧光法鉴定神经细胞特异性蛋白神经源性分化因子1(neurogenic differentiation 1,NeuroD1)、神经元核抗原(neuronal nuclei antigen,NeuN)和双皮质素(doublecortex,DCX)。N2a细胞用10~80μmol·L^(-1)BI-D1870,分别作用4~24 h。倒置显微镜观察N2a细胞形态,CCK-8法检测细胞存活率,丙酮酸还原法检测细胞培养液中乳酸脱氢酶(lactate dehydrogenase,LDH)释放量。结果:免疫荧光可检测到N2a细胞有NeuroD1、NeuN和DCX阳性表达。与对照组比较,随着BI-D1870作用浓度增加和作用时间延长,N2a细胞受损程度逐渐增加,细胞形态发生异常改变,细胞存活率逐渐降低(P<0.05),培养液中LDH先升高后降低(P<0.05)。40μmol·L^(-1)作用12 h条件下N2a细胞肿胀明显,折光率降低,细胞存活率在60%左右,LDH释放量增长率最高。结论:N2a细胞具有神经细胞特性,BI-D1870对N2a细胞有细胞毒作用,产生细胞毒作用的最适条件为40μmol·L^(-1)作用12 h。 展开更多
关键词 bi-d1870 N2A细胞 乳酸脱氢酶 细胞毒作用
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CREB磷酸化介导半枝莲黄酮改善BI-D1870所致大鼠记忆障碍
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作者 张超洁 马帅 +1 位作者 李佳慧 商亚珍 《中国医院药学杂志》 CAS 北大核心 2024年第5期520-529,共10页
目的:探讨半枝莲黄酮(SBFs)通过促进CREB磷酸化改善BI-D1870所致大鼠记忆障碍。方法:腹腔注射BI-D1870建立大鼠记忆障碍模型,Morris水迷宫筛选记忆障碍成功模型,模型成功大鼠随机分为模型组、SBFs组和CREB磷酸化激活剂Rolipram组,SBFs... 目的:探讨半枝莲黄酮(SBFs)通过促进CREB磷酸化改善BI-D1870所致大鼠记忆障碍。方法:腹腔注射BI-D1870建立大鼠记忆障碍模型,Morris水迷宫筛选记忆障碍成功模型,模型成功大鼠随机分为模型组、SBFs组和CREB磷酸化激活剂Rolipram组,SBFs组大鼠灌胃140 mg·kg-1 SBFs,Rolipram组大鼠腹腔注射0.5 mg·kg-1 Rolipram。Morris水迷宫检测大鼠学习记忆能力;苏木精-伊红(HE)染色观察海马皮层神经元形态;免疫组化(IHC)检测海马回与神经再生相关蛋白DCX表达;免疫荧光(IF)检测海马和皮层p-CREB-Ser142蛋白表达;实时荧光定量(qPCR)检测海马和皮层BDNF、TrkB和CREB的mRNA表达;Western blot检测海马和皮层BDNF、TrkB和p-CREB-Ser133蛋白表达。结果:腹腔注射BI-D1870可引起大鼠学习记忆障碍,神经病理学改变,海马回DCX蛋白表达降低,海马和皮层p-CREB-Ser142蛋白表达增加,BDNF、TrkB和CREB的mRNA及蛋白表达皆降低。SBFs可逆转BI-D1870所致大鼠上述异常改变,作用与Rolipram相平行。结论:SBFs与Rolipram作用相一致,能够改善BI-D1870所致的记忆障碍,其作用机制与其影响CREB磷酸化有关。 展开更多
关键词 半枝莲黄酮 bi-d1870 CREB磷酸化 记忆障碍
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