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Recombinant Human TGF-α (E. coli) JNC90430

Recombinant Human TGF-α (E. coli) JNC90430

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Recombinant Human TGF-α (E. coli) 重组人转化生长因子-α

所有产品科研使用,仅用于人或动物的治疗等任何其他用途,不为任何个人提供产品和服务 

生物活性


Recombinant Human TGF-α, also known as sarcoma growth factor, TGF-type I and ETGF, is a member of the EGF family of cytokines. TGF-α signals through EGFR and acts synergistically with TGF-beta to promote the proliferation of a wide range of epidermal and epithelial cells. TGF-α is a transforming growth factor that is a ligand for the epidermal growth factor receptor, which activates a signaling pathway for cell proliferation, differentiation and development. This protein may act as either a transmembrane-bound ligand or a soluble ligand. The biological actions of TGF-α and EGF are similar. For instance, TGF-α and EGF bind to the same receptor. When TGF-α binds to EGFR it can initiate multiple cell proliferation events.

ED50 < 0.2ng/ml, measured by Cell Proliferation Assay using BALB/c 3T3 cells, corresponding to a specific activity of ≥ 5 x 106 units/mg.

Sequence: VVSHFNDCPD SHTQFCFHGT CRFLVQEDKP ACVCHSGYVG ARCEHADLLA

Lyophilized recombinant Human TGF-α remains stable up to 6 months at lower than -70°C from date of receipt. Upon reconstitution, Human TGF-α should be stable up to 1 week at 4°C or up to 3 months at -20°C.


不同实验动物依据体表面积的等效剂量转换表(数据来源于FDA指南)

小鼠大鼠兔豚鼠仓鼠狗重量 (kg)0.020.151.80.40.0810体表面积 (m2)0.0070.0250.150.050.020.5Km 系数36128520
动物 A (mg/kg) = 动物 B (mg/kg) × 动物 B的Km系数
动物 A的Km系数

例如,依据体表面积折算法,将化合物用于小鼠的剂量20 mg/kg 换算成大鼠的剂量,需要将20 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到化合物用于大鼠的等效剂量为10 mg/kg。

化学数据
分子量
分子式
CAS号
纯度>95%, Endotoxin < 0.2 EU/μg
溶解性(25°C)Reconstituted in ddH2O or PBS at 100 μg/mL
储存和运输条件固体粉末: -20°C 冷藏长期储存
常温运输及临时存放
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