推荐产品
生物来源
human placenta
质量水平
产品线
BioReagent
表单
liquid
浓度
0.5 mg/mL in Tris-buffered saline
技术
cell culture | mammalian: suitable
表面覆盖度
1‑2 μg/cm2
UniProt登记号
运输
dry ice
储存温度
−70°C
基因信息
human ... LAMB1(3912)
应用
层粘连蛋白支持多种细胞类型的生长和分化，包括表皮、内皮、神经、肌肉和肝脏细胞。 建议将其按1-2 μg/cm2用作细胞培养的基质。 最佳的浓度的确取决于细胞类型以及应用或研究目标。
生化/生理作用
层粘连蛋白是动物组织中结构性支架的组成部分。 它们通过内功素和基底膜聚糖与IV型胶原结合，并通过整合素受体、dystroglycan糖蛋白复合物以及Lutheran血型糖蛋白与细胞膜结合。 层粘连蛋白具有胶原结合、细胞粘附、肝素结合和神经突向外生长片段的活性结构域。
组分
层粘连蛋白是一种细胞外基质多结构域三聚体糖蛋白，并且是支持粘附、增殖和分化的基底膜的主要非胶原组分。 层粘连蛋白是由通过多个二硫键连接的A、B1和B2链组成。使用胃蛋白酶处理和免疫亲和层析，层连蛋白产品从人胎盘纯化获得。 SDS-PAGE在50kDa和130-160kDa得到两条主要条带。
注意
推荐在-70℃储存该产品，它能保持稳定2年。
制备说明
该产品是在含有150 mM NaCl的50 mM Tris-HCl中以0.5 mg/mL的浓度提供。 它被0.2μm过滤。在使用前在2-8°C将该溶液缓慢解冻以避免形成凝胶。 作为一种涂层溶液，在灭菌平衡盐溶液中稀释，涂层结构表面有最小体积，在37℃培育2小时。 在细胞铺板之前用PBS洗涤3次。层粘连蛋白可储存在2-8°C达一个月。
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
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商品
培养和表征CSC群体的癌症干细胞培养基、球状体培养板和癌症干细胞标志物。
Cancer stem cell media, spheroid plates and cancer stem cell markers to culture and characterize CSC populations.
实验方案
用于细胞培养的层粘连蛋白包被表面需要特定的条件才能获得理想的结果。包含了用于包被盖玻片以进行神经球状体和常规细胞培养的实验方案。
Coating surfaces with laminin for culturing cells requires specific conditions for optimal results. Protocols for coating coverslips to culture neurospheres and general cell culture are included.
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