1. 重组蛋白
  2. Cytokines and Growth Factors Immune Checkpoint Proteins CD Antigens
  3. TNF Superfamily Stimulatory Immune Checkpoint Molecules T Cell CD Proteins Macrophage CD Proteins Stem Cell CD Proteins Dendritic Cell CD Proteins
  4. TNF Receptor Superfamily 4-1BB/CD137
  5. 4-1BB
  6. CD137/4-1BB 蛋白, Canine (HEK293, Fc)

CD137/4-1BB 蛋白, Canine (HEK293, Fc)

目录号: HY-P75609
产品使用指南

4-1BB 是一种表面糖蛋白,属于肿瘤坏死因子 (TNF) 受体超家族。CD137 通过抑制 Nrf2 通路及上调 NF-κB 通路促进内皮细胞 (ECs) 凋亡。4-1BB 可用于抗肿瘤研究。CD137/4-1BB 蛋白, Canine (HEK293, Fc) 是重组的 CD137/4-1BB 蛋白,由 HEK293 表达,带有 C-hFc 标签。CD137/4-1BB 蛋白, Canine (HEK293, Fc) 全长 162 个氨基酸,分子量约为 ~43.9 kDa。

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描述

4-1BB is a surface glycoprotein that belongs to the tumor necrosis factor (TNF) receptor superfamily. CD137 promotes apoptosis of endothelial cells (ECs) by inhibiting Nrf2 pathway and up-regulating NF-κB pathway. 4-1BB can be used in anti-tumor research. CD137/4-1BB Protein, Canine (HEK293, Fc) is the recombinant canine-derived CD137/4-1BB protein, expressed by HEK293 , with C-hFc labeled tag. The total length of CD137/4-1BB Protein, Canine (HEK293, Fc) is 162 a.a., with molecular weight of ~43.9 kDa.

研究背景

4-1BB 由 TNFRSF9 (CD137, ILA) 编码,属于肿瘤坏死因子 (TNF) 受体超家族。4-1BB 是一种表面糖蛋白,在多种细胞中表达,如 T细胞、B 细胞、自然杀伤细胞 (NK)、树突状细胞 (DC)、嗜酸性粒细胞和肥大细胞以及多种肿瘤细胞,如人类白血病细胞。4-1BB 提供共刺激信号,激活 CD8+ T 细胞的细胞毒性作用,并帮助形成记忆 T 细胞,促进免疫系统对抗肿瘤。CD137 结合CD137L 向单核细胞发出信号,增加其存活、增殖并刺激其迁移和外渗。并诱导多种促炎因子的释放,导致炎性单核细胞大量涌入组织,形成炎症环境。CD137 通过上调 Fra1 的表达,促进单核/巨噬细胞向肿瘤微环境的迁移。同时也促进单核/巨噬细胞向破骨细胞的分化,为乳腺癌细胞在骨内定植生长提供了良好的微环境。它为乳腺癌转移提供了一种很有前景的治疗策略。CD137 通过抑制 Nrf2 通路及上调 NF-κB 通路促进内皮细胞 (ECs) 凋亡。

种属

Canine

表达系统

HEK293

标签

C-hFc

蛋白编号

XP_850336.1 (I24-S185)

基因 ID

608274  [NCBI]

蛋白结构
N-term
4-1BB (I24-S185)
Accession # XP_850336.1
hFc
C-term
同用名
CD137; ILA; TNFRSF9; 4-1BB ligand receptor; CDw137
分子量

Approximately 43.9 kDa

纯度

Greater than 95% as determined by reducing SDS-PAGE

内毒素含量

<1 EU/μg, determined by LAL method.

文件资料
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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产品名称:
CD137/4-1BB Protein, Canine (HEK293, Fc)
目录号:
HY-P75609
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