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Козметични пептиди

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CAS номер: 106096-93-9
Други имена: Plant-derived bFGF, OsrhbFGF, rbFGF, recombinant bFGF, bFGF, FGF2, FGF-β
EINECS №: 274-272-6
Physical Appearance: White lyophilized powder
Biological Activity: The ED50 is ≤1ng/ml determined by a cell proliferation assay using
Restrictions: FOR RESEARCH, LABORATORY AND MANUFACTURE USE ONLY

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. A variety of forms of FGF basic are produced as a result of N-terminal extensions. These extensions affect localization of FGF basic in cellular compartments but do not affect biological activity. Binding of FGF to heparin or cell surface heparan sulfate proteoglycans is necessary for binding of FGF to high affinity FGF receptors. FGF acidic and basic appear to bind to the same high affinity receptors and show a similar range of biological activities. FGF basic stimulates the proliferation of all cells of mesodermal origin and many cells of neuroectodermal, ectodermal, and endodermal origin. FGF basic induces neuron differentiation, survival, and regeneration. FGF basic also modulates embryonic development and differentiation. These observed in vitro functions of FGF basic suggest FGF basic may play a role in vivo in the modulation of such normal processes as angiogenesis, wound healing and tissue repair, embryonic development and differentiation, and neuronal function and neural degeneration. Additionally, FGF basic may participate in the production of a variety of pathological conditions resulting from excessive cell proliferation and excessive angiogenesis.

Recombinant human basic fibroblast growth factor (OsrhbFGF) is a multifunctional cell growth factor, and can promot cell growth activity. As a multi-functional growth factor, OsrhbFGF plays a vital role to stimulate cell growth and maintain cell function in serum-free culture. OsrhbFGF was widely used in the stem cell culture that can promote stem cells proliferation and keep stem cells in an undifferentiated status.

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