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    RD Recombinant human IL-17A人白介17因子

    • 更新時(shí)間:  2023-07-24
    • 產(chǎn)品型號(hào):  314-ml-025
    • 簡單描述
    • RD Recombinant human IL-17A人白介17因子
      Source E. coliderived
      此產(chǎn)品還有小鼠IL-17A
    詳細(xì)介紹

    RD Recombinant human IL-17A人白介17因子

    DESCRIPTION
    Source E. coliderived
    Thr22Ala158
    Accession # Q62386.1
    Nterminal
    Sequence
    Analysis
    Thr22
    Structure / Form Disulfidelinked
    homodimer
    Predicted Molecular
    Mass
    15.5 kDa (monomer)
    SPECIFICATIONS
    Activity Measured by its ability to induce IL6
    secretion by NIH-3T3 mouse embryonic fibroblast cells. Yao, Z. et al. (1995) Immunity 3:811.
    The ED50 for this effect is typically 0.251.25
    ng/mL.
    Endotoxin Level <1.0 EU per 1 μg of the protein by the LAL method.
    Purity >97%, by SDSPAGE
    under reducing conditions and visualized by silver stain.
    Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein. See Certificate of Analysis for details.
    PREPARATION AND STORAGE
    Reconstitution Reconstitute at 25 μg/mL in sterile 4 mM HCl containing at least 0.1% human or bovine serum albumin.
    Shipping The product is shipped at ambient temperature. Upon receipt, store it immediay at the temperature recommended below.
    Stability & Storage Use a manual defrost freezer and avoid repeated freezethaw
    cycles.
    l 12 months from date of receipt, 20
    to 70
    °C as supplied.
    l 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    l 3 months, 20
    to 70
    °C under sterile conditions after reconstitution.
    BACKGROUND
    Interleukin 17 (also known as CTLA8)
    is a T cellexpressed
    pleiotropic cytokine that exhibits a high degree of homology to a protein encoded by the ORF13 gene of
    herpesvirus Saimiri. cDNA clones encoding IL17
    have been isolated from activated rat, mouse and human T cells. Mouse IL17
    cDNA encodes a 158 amino acid (aa)
    residue precursor protein with a 21 amino acid residue signal peptide that is cleaved to yield the 137 aa residue mature IL17.
    Both recombinant and natural IL17
    have
    been shown to exist as disulfide linked homodimers. At the amino acid level, mIL17
    shows 57% and 87% sequence identity with herpesvirus and rat IL17,
    respectively. An IL17
    specific mouse cell surface receptor (IL17
    R) has been cloned. While the expression of IL17
    mRNA is restricted to activated alpha beta
    TCR+CD4CD8T
    cells, the expression of mIL17
    R mRNA has been detected in virtually all cells and tissues tested. IL17
    exhibits multiple biological activities on a
    variety of cells including: the induction of IL6
    and IL8
    production in fibroblasts? the enhancement of surface expression of ICAM1
    in fibroblasts? activation of NFκB
    and costimulation of T cell proliferation.
    References:
    1. Kennedy, J. et al., (1996) J. Interferon Cytokine Res. 16:611.
    2. Yao, Z. et al., (1995) J. Immunol. 155:5483.
    3. Yao, Z. et al., (1995) Immunity 3:811.
    4. Rouvier, E. et al., (1993) J. Immunol. 150:5445.

    RD Recombinant human IL-17A人白介17因子 詳細(xì)產(chǎn)品信息可和選購

     

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