FGF basic产品信息
英文名称:Fibroblast growth factor 2
中文名称:成纤维细胞生长因子2
靶点别称:FGF2,BFGF,FGFB,FGF basic,HBGF-2
物种:Human
属性:Protein
标记:Biotin-labeled / Unconjugated
内毒素(Endotoxin)
Less than 0.01 EU per μg by the LAL method.
宿主蛋白残留(Host Cell Protein)
<0.5 ng/µg of protein tested by ELISA.
宿主核酸残留(Host Cell DNA)
<0.02 ng/μg of protein tested by qPCR.
无菌(Sterility)
The sterility testing was performed by membrane filtration method.
支原体(Mycoplasma)
Negative.
纯度(Purity)
>95% as determined by SDS-PAGE.
>95% as determined by SEC-HPLC.
制剂(Formulation)
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法(Reconstitution)
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储(Storage)
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
1. -20°C to -70°C for 24 months in lyophilized state;
2. -70°C for 3 months under sterile conditions after reconstitution.
FGF basic分子背景
FGF basic is a member of the FGF family of at least 23 related mitogenic proteins which show 35-60% amino acid conservation. FGF acidic and basic, unlike the other members of the family, lack signal peptides and are apparently secreted by mechanisms other than the classical protein secretion pathway. FGF basic has been isolated from a number of sources, including neural tissue, pituitary, adrenal cortex, corpus luteum, and placenta. This factor contains four cysteine residues, but reduced FGF basic retains full biological activity, indicating that disulfide bonds are not required for this activity. bFGF is a critical component of human embryonic stem cell culture medium; the growth factor is necessary for the cells to remain in an undifferentiated state, although the mechanisms by which it does this are poorly defined. It has been demonstrated to induce gremlin expression which in turn is known to inhibit the induction of differentiation by bone morphogenetic proteins. It is necessary in mouse-feeder cell dependent culture systems, as well as in feeder and serum-free culture systems.
关键字: FGF basic;FGF basic蛋白;成纤维细胞生长因子2;FGF2;FGF2蛋白;
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