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400-6111-883
Recombinant Human LIF
产品货号:92111ES08
产品规格:5μg
产品价格:¥ 815
类别:细胞因子

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  • Product Information

     

    Product Name

    Cat#

    Size

    Price(¥

    Recombinant Human Leukemia Inhibitory Factor

    (Human LIF)

    92111ES08

    5μg

    815.00

    92111ES60

    100μg

    7335.00

    92111ES76

    500μg

    19055.00

     

    Product Description

     

    Leukemia inhibitory factor (LIF) is a member of Interleukin 6 family. This protein is mainly expressed in the trophectoderm of the developing embryo, with its receptor LIFR expressed throughout the inner cell mass. Mature human LIF shares 78%, 82%, 91%, 88 and 87% aa sequence identity with mouse, rat, canine, bovine, and porcine LIF, respectively. LIF is multifunctional cytokines with many similar activities. LIF is structurally and functionally related to another cytokine, Oncostatin M (OSM), that binds to the high-affinity LIF receptor but not to the low-affinity LIF receptor. While some of the actions of LIF on neurons resemble those of CNTF, LIF also has broad actions outside of the nervous system that in many cases mimic those of interleukin-6 (IL-6).  

     

    Product Properties

     

    Synonyms

    CDF, DIA, Differentiation-stimulating Factor, D Factor, Emfilermin, HILDA, Melanoma-derived LPL Inhibitor, MLPLI 

    Accession

    P15018

    GeneID

    3976

    Source

    E.coli-derived human LIF, Ser23-Phe202.

    Molecular Weight

    Approximately 19.7 kDa.

    AA Sequence

    SPLPITPVNA TCAIRHPCHN NLMNQIRSQL AQLNGSANAL FILYYTAQGE PFPNNLDKLC GPNVTDFPPF HANGTEKAKL VELYRIVVYL GTSLGNITRD QKILNPSALS LHSKLNATAD ILRGLLSNVL CRLCSKYHVG HVDVTYGPDT SGKDVFQKKK LGCQLLGKYK QIIAVLAQAF

    Tag

    None

    Physical Appearance

    Sterile Filtered White lyophilized (freeze-dried) powder.

    Purity

    >98% by SDS-PAGE and HPLC analyses.

    Biological Activity

    The ED50 as determined by the dose-dependent proliferation of human TF-1 cells is less than 0.1 ng/mL, corresponding to a specific activity of > 1.0 × 107 IU/mg. Fully biologically active when compared to standard.

    Endotoxin

    1.0 EU per 1μg of the protein by the LAL method.

    Formulation

    Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.

    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 0.1-0.2 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.

     

    Shipping and Storage

     

    The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.

    Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

     

    Cautions

     

    Avoid repeated freeze-thaw cycles.

    For your safety and health, please wear lab coats and disposable gloves for operation.

    For research use only!

     

    HB220215