Lumio™ 绿色细胞内检测试剂盒
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Invitrogen™

Lumio™ 绿色细胞内检测试剂盒

Lumio™ 技术设计用于重组蛋白的简单荧光检测。Lumio™ 标签是结合荧光底物的小(六个氨基酸)序列,允许您在哺乳动物细胞中可视化检测蛋白定位。哺乳动物 Lumio™ Gateway™ 载体了解更多信息
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货号数量
125890571 kit
货号 12589057
价格(CNY)
19,522.49
飞享价
Ends: 31-Dec-2025
23,313.00
共减 3,790.51 (16%)
Each
添加至购物车
数量:
1 kit
价格(CNY)
19,522.49
飞享价
Ends: 31-Dec-2025
23,313.00
共减 3,790.51 (16%)
Each
添加至购物车
Lumio™ 技术设计用于重组蛋白的简单荧光检测。Lumio™ 标签是结合荧光底物的小(六个氨基酸)序列,允许您在哺乳动物细胞中可视化检测蛋白定位。哺乳动物 Lumio™ Gateway™ 载体(图 1)具有以下特点:

•Lumio™ 标签用于准确的体外体内蛋白检测
• CMV 启动子用于高水平组成型表达
• tR 位点用于与 Gateway™ 入门克隆高效重组
• 杀稻瘟菌素抗性基因用于快速高效选择

使用哺乳动物 Lumio™ Gateway™ 载体进行哺乳动物细胞中的可靠且一致的蛋白表达、检测和定位(图 2)。载体可用于生成带有 N 和 C 端 Lumio™ 融合标签的蛋白。此外,各哺乳动物 Lumio™ Gateway™ 试剂盒包括 Lumio™ 绿色、红色或双色细胞内检测试剂盒。双色细胞内检测试剂盒适用于进行两种颜色“脉冲追踪”实验,以检查随时间推移的蛋白定位。
仅供科研使用。不可用于诊断程序。
规格
颜色绿色
检测定位细胞内检测
检测方法荧光
适用于(设备)荧光显微镜、电子显微镜
标签或染料Lumio™ Green
产品类型细胞内检测试剂盒
数量1 kit
产品线Lumio
蛋白标记Lumio
Unit SizeEach
内容与储存
Lumio 细胞内检测试剂盒包含 40 µL Lumio 绿色或红色荧光试剂,以 DMSO 中的 2 mM 储备液形式提供。储存在 -20°C 下。妥善储存时,可保证稳定储存 6 个月。

常见问题解答 (FAQ)

Lumio试剂具有透膜能力么?

Lumio试剂具有疏水性,因此很容易穿过细胞膜。无需通过透化处理来帮助该试剂进入细胞内部。 

在使用Lumio标记哺乳动物细胞的过程中,BSA会有背景干扰吗?

哺乳动物细胞培养基中的血清蛋白(如BSA,66KD)可能会与Lumio试剂发生交叉反应,从而形成非特异性的条带。吸去细胞培养基并在收获细胞后使用PBS润洗哺乳动物细胞3-4遍,有助于减少BSA的非特异性结合。 

Lumio Red(红)与Green(绿)试剂对细胞有毒性吗?

我们尚未在细胞中发现用于蛋白检测浓度的Lumio试剂具有任何不良效应。我们也未在使用Lumio Green之后发现细胞形态出现任何不良改变。加入Lumio Red后,我们确实发现细胞发生了某些微小的形态改变,不过这一变化在加入试剂24小时之后恢复。 

Lumio染色与GeneBLAzer检测相比效果如何?GFP作为目的基因的检测手段效果如何?

Lumio染色技术的优势在于可同时兼容体内和体外的蛋白标记操作。在体内标记实验中,向细胞中加入Lumio试剂后即可在荧光显微镜下观察到细胞/蛋白。这一效果与GeneBLAzer检测步骤相似,只是GeneBLAzer是基于扩增报告基因信号的酶促反应。GFP的荧光信号只能在细胞(体内)中检测到,因为需要GFP蛋白的正确折叠。相比GeneBLAzer检测法中的bla蛋白(264个氨基酸,29 kDa)和GFP蛋白(27 kDa)而言,Lumio标签非常之小(6个氨基酸,585Da),因此在很大程度上不会对所融合蛋白的功能造成影响。GFP的劣势在于需要融合一个很大的标签蛋白,而且该检测法并非是基于酶法的报告系统。不同于GeneBLAzer检测法和GFP标签,Lumio-标签蛋白可在Lumio试剂处理细胞裂解液或蛋白之后通过凝胶电泳变得可视化。与Lumio和GFP相比,GeneBLAzer检测法在活体细胞的应用中更为灵敏。GeneBLAzer检测法也不同于Lumio和GFP,这一方法能够实现比率化的读数,因此有助于减少样本间的差异。

Is the Lumio reagent membrane-permeable?

The Lumio reagent is hydrophobic and can easily pass through the membrane. There is no need to permeabilize the membrane in order to get this reagent into cells.

引用和文献 (10)

引用和文献
Abstract
Dynamic fluorescent imaging of human immunodeficiency virus type 1 gag in live cells by biarsenical labeling.
Authors:Rudner L, Nydegger S, Coren LV, Nagashima K, Thali M, Ott DE,
Journal:J Virol
PubMed ID:15767407
'Human immunodeficiency virus type 1 (HIV-1) Gag is the primary structural protein of the virus and is sufficient for particle formation. We utilized the recently developed biarsenical-labeling method to dynamically observe HIV-1 Gag within live cells by adding a tetracysteine tag (C-C-P-G-C-C) to the C terminus of Gag in both ... More
Stimulation of hepatitis C virus (HCV) nonstructural protein 3 (NS3) helicase activity by the NS3 protease domain and by HCV RNA-dependent RNA polymerase.
Authors:Zhang C, Cai Z, Kim YC, Kumar R, Yuan F, Shi PY, Kao C, Luo G,
Journal:J Virol
PubMed ID:15994762
'Hepatitis C virus (HCV) nonstructural protein 3 (NS3) possesses multiple enzyme activities. The N-terminal one-third of NS3 primarily functions as a serine protease, while the remaining two-thirds of NS3 serve as a helicase and nucleoside triphosphatase. Whether the multiple enzyme activities of NS3 are functionally interdependent and/or modulated by other ... More
Monitoring protein stability and aggregation in vivo by real-time fluorescent labeling.
Authors:Ignatova Z, Gierasch LM,
Journal:Proc Natl Acad Sci U S A
PubMed ID:14701904
'In vivo fluorescent labeling of an expressed protein has enabled the observation of its stability and aggregation directly in bacterial cells. Mammalian cellular retinoic acid-binding protein I (CRABP I) was mutated to incorporate in a surface-exposed omega loop the sequence Cys-Cys-Gly-Pro-Cys-Cys, which binds specifically to a biarsenical fluorescein dye (FlAsH). ... More
Multicolor and electron microscopic imaging of connexin trafficking.
Authors: Gaietta Guido; Deerinck Thomas J; Adams Stephen R; Bouwer James; Tour Oded; Laird Dale W; Sosinsky Gina E; Tsien Roger Y; Ellisman Mark H;
Journal:Science
PubMed ID:11964472
'Recombinant proteins containing tetracysteine tags can be successively labeled in living cells with different colors of biarsenical fluorophores so that older and younger protein molecules can be sharply distinguished by both fluorescence and electron microscopy. Here we used this approach to show that newly synthesized connexin43 was transported predominantly in ... More
Visualization of mRNA translation in living cells.
Authors:Rodriguez AJ, Shenoy SM, Singer RH, Condeelis J,
Journal:J Cell Biol
PubMed ID:17030983
The role of mRNA localization is presumably to effect cell asymmetry by synthesizing proteins in specific cellular compartments. However, protein synthesis has never been directly demonstrated at the sites of mRNA localization. To address this, we developed a live cell method for imaging translation of beta-actin mRNA. Constructs coding for ... More