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Recombinant Murine Fibroblast Growth Factor 21

rMuFGF-21

货号:124-21
价格:
¥ 585
规格:
数量:
- +
技术资料
    Synonyms
    Accession
    Q9JJN1
    GeneID
    56636
    Source
    Escherichia coli.
    Molecular Weight
    Approximately 19.9 kDa, a single non-glycosylated polypeptide chain containing 182 amino acids.
    AA Sequence
    AYPIPDSSPL LQFGGQVRQR YLYTDDDQDT EAHLEIREDG TVVGAAHRSP ESLLELKALK PGVIQILGVK ASRFLCQQPD GALYGSPHFD PEACSFRELL LEDGYNVYQS EAHGLPLRLP QKDSPNQDAT SWGPVRFLPM PGLLHEPQDQ AGFLPPEPPD VGSSDPLSMV EPLQGRSPSY AS
    Purity
    > 97 % by SDS-PAGE and HPLC analyses.
    Biological Activity
    Fully biologically active when compared to standard. The ED50 as determined by thymidine uptake assay using FGF-receptors transfected BaF3 cells is less than 0.5 μg/ml, corresponding to a specific activity of > 2.0 × 103 IU/mg in the presence of 5 µg/ml of rMuKlotho-β and 10 μg/ml of heparin.
    Physical Appearance
    Sterile Filtered White lyophilized (freeze-dried) powder.
    Formulation
    Lyophilized from a 0.2 µm filtered concentrated solution in 3 × PBS, pH 7.4.
    Endotoxin
    Less than 1 EU/µg of rMuFGF-21 as determined by LAL method.
    Reconstitution
    We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
    Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    - 12 months from date of receipt, -20 to -70 °C as supplied.
    - 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    - 3 months, -20 to -70 °C under sterile conditions after reconstitution.
    Usage
    This material is offered by Shanghai PrimeGene Bio-Tech for research, laboratory or further evaluation purposes. NOT FOR HUMAN USE.
    SDS-PAGE
    Reference
    1. Nishimura T, Nakatake Y, Konishi M, et al. 2000. Biochim Biophys Acta. 1492:203-6.
    2. Kharitonenkov A, Shiyanova TL, Koester A, et al. 2005. J Clin Invest. 115:1627-35.
    3. Kurosu H, Choi M, Ogawa Y, et al. 2007. J Biol Chem. 282:26687-95
    Background
    Fibroblast growth factor-21 (FGF-21) belongs to the large FGF family and it is specifically induced by HMGCS2 activity. In mice, brown adipose tissue becomes a source of systemic FGF21 after cold exposure. FGF-21 stimulates glucose uptake in differentiated adipocytes via the induction of glucose transporter SLC2A1/GLUT1 expression (but not SLC2A4/GLUT4 expression) and the activity depends on the presence of KLB. FGF-21, in the presence of betaKlotho as a protein cofactor, signals through the FGFR 1c and 4 receptors. Recombinant murine FGF-21 contains 182 amino acids residues and show limited binding to heparin. In addition, Murine FGF-21 respectively shows 81 % and 92 % a.a. identity to human and rat FGF-21, and it show activity on human and rat cells.
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