Flocel体外三维动态血脑屏障系统
特点
1.2 配置及参数资料 TEER检测系统 CARTRIDGE底板 4个DIV-BBB 盒子 检测软件 电缆线 DIV-BBB?管腔 特性 | 优点 | 可控制腔内/非腔体积比 体型小,仅2.57cm长 电极与管腔一体化 成本低 | 与体内体积比相符 减少了试验所需细胞数目 TEER检测系统操作简单 一次性使用,不能重复使用 |
疏水性毛细血管(Hydrophobic capillaries) Accurel PP Q3/2 (optionally pre-coated with ProNectin For Poly-D-Lysine) 经毛细管孔径: nominal 0.2um 中空纤维数量:19 腔内总体积 : 0.0123in3 = 0.202cm3 腔内表面积 : 2.09 in3= 13.5cm2 腔外体积 :0.070 in3 = 1.15cm3 腔外中空纤维总面积: 3.50 in3 = 22.6cm2 跨细胞膜电阻测量(TEER 检测)系统 TEER检测系统为研发人员提供了一个快速、简便地评估血脑屏障完整性方法,此外,电阻抗值(>1000 -cm2)也非常接近体内数值。TEER检测系统同时配带了所需检测软件、电线和衬板,可供4个DIV-BBB培养管腔同时使用。其中检测软件可以自定义设置泵的流速、频率、波形等参数。其它特性及优点见下表: 特性 | 优点 | 多频率下检测电阻抗 | 描述电极的电阻和电容 | 低电压,Max=60毫伏 | 限制对屏障的潜在破坏作用 | 自动检测多个管腔 | 可同时连接4个盒子 | 检测软件可自定义设置泵的流速、频率、波形等参数 | 检测电阻抗,记录数据 | USB连接 | 台式或者便携式电脑均可连接 |
计算机控制的脉动泵 脉搏率和作用周期完全模拟体内血液动力学设计,贴近体内环境,试验准确,脉搏率可设置在30-120/分范围内。其特性和优点如下:
特性 | 优点 | 4个管腔的流速和泵的速度可分别控制, | 允许4个独立试验 | 外部24电压墙与电源连接 | 减少培养箱中高温 | 接受来自TEER检测系统的指定程序 | 不需要额外的USB接口 |
泵速: 30-120bpm 流速: 1-50ml/min 电源: TEER控制 系统组成部件:白色系统底托(White plastic tray) 4 个通道体外细胞培养系统(4 DIV-BBB cartridges)及配套硅胶管 跨上皮细胞电阻测量系统(TEER Measurement System )/泵控制电缆(Pump Control Cable) 4套125毫升培养基玻璃瓶(4 glass 125ml bottles)及4套瓶盖(4 bottle caps) 4套33毫米的储液杯及盖子 (4 33mm Reservoir Caps) 计算机控制的Quad程控脉冲式灌流泵(Flocel Qual Computer-controlled Perfusion System)及配套硅胶管 8个鲁尔锁栓 (8 male luer locks) 4个三通阀 (4 3-way stopcocks) USB接口线 (USB cable) 电源线 (Power supply cable) Flocel控制测量系统软件(Flocel System Installation Software) 用户使用手册 (User’s Manual)
Publications 文献1.The role of shear stress in Blood-Brain Barrier endothelial physiology. Cucullo L, Hossain M, Puvenna V, Marchi N, Janigro D. 2.>A dynamic in vitro BBB model for the study of immune cell trafficking into the central nervous system. Cucullo L, Marchi N, Hossain M, Janigro D. 3.>Pattern of P450 expression at the human blood-brain barrier: roles of epileptic condition and laminar flow.Ghosh C, Gonzalez-Martinez J, Hossain M, Cucullo L, Fazio V, Janigro D, Marchi N. 4.>Tobacco smoke: a critical etiological factor for vascular impairment at the blood-brain barrier. Hossain M, Sathe T, Fazio V, Mazzone P, Weksler B, Janigro D, Rapp E, Cucullo L. 5.>Immortalized human brain endothelial cells and flow-based vascular modeling: a marriage of convenience for rational neurovascular studies. Cucullo L, Couraud PO, Weksler B, Romero IA, Hossain M, Rapp E, Janigro D. 6.>Side by side comparison between dynamic versus static models of blood-brain barrier in vitro: a permeability study. Santaguida S, Janigro D, Hossain M, Oby E, Rapp E, Cucullo L. 7.>Development of a humanized in vitro blood-brain barrier model to screen for brain penetration of antiepileptic drugs. Cucullo L, Hossain M, Rapp E, Manders T, Marchi N, Janigro D. 8.>Drug delivery and in vitro models of the blood-brain barrier. Cucullo L, Aumayr B, Rapp E, Janigro D. 9.Glycerophosphoinositol and dexamethasone improve transendothelial electrical resistance in an in vitro study of the blood-brain barrier. Cucullo L, Hallene K, Dini G, Dal Toso R, Janigro D. 10.>Dynamic in vitro model of the blood-brain barrier. Gene profiling using cDNA microarray analysis. Marroni M, Kight KM, Hossain M, Cucullo L, Desai SY, Janigro D. 11.>A new dynamic in vitro model for the multidimensional study of astrocyte-endothelial cell interactions at the blood-brain barrier. Cucullo L, McAllister MS, Kight K, Krizanac-Bengez L, Marroni M, Mayberg MR, Stanness KA, Janigro D. 12.>Mechanisms of endothelial survival under shear stress. Desai SY, Marroni M, Cucullo L, Krizanac-Bengez L, Mayberg MR, Hossain MT, Grant GG, Janigro D. Posters1.A Dynamic Humanized drug resistant In Vitro Blood-Brain Barrier Model to assess the permeability of relevant CNS drugs2.Development of a novel blood-brain barrier model by coupling Immortalized human brain endothelial cells with flow-based cell culture technologies3.Glioblastoma Cell Line Metabolism Under Dynamic and Static Conditions: Effects on tumor growth and BBB integrity4.Humanized in vitro blood-brain barrier models to screen for brain penetration of antiepileptic drugs5.Effect of Shear stress on BBB endothelial cells: A proteomic study by 2-dimensional protein electrophoresis |