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Recombinant Human Interleukin-

7, Saccharomyces
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  • ￥1080 - 79695
  • Prospecbio
  • 以色列
  • cyt-298
  • 2025年12月25日
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    上海经科化学科技有限公司
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    • 文献和实验
    • 技术资料
    • 保存条件：

      for future use below -18°C

    • 保质期：

      See instructions

    • 英文名：

      IL7, Yeast

    • 库存：

      部分小规格有备货

    • 供应商：

      上海经科化学科技有限公司

    • CAS号：

      无

    • 规格：

      2ug/10ug/1mg

    规格：2ug产品价格：￥1080.0
    规格：10ug产品价格：￥2415.0
    规格：1mg产品价格：￥79695.0

    产品细节图片1

    CATALOGUE NUMBER

    CYT-298

    SYNONYMS

    Lymphopoietin 1 (LP-1), pre-B cell factor, IL-7.

    INTRODUCTION

    IL-7 is a cytokine important for B and T cell development. This cytokine and the hepatocyte growth factor (HGF) form a heterodimer that functions as a pre-pro-B cell growth-stimulating factor. This cytokine is found to be a cofactor for V(D)J rearrangement of the T cell receptor beta (TCRB) during early T cell development. This cytokine can be produced locally by intestinal epithelial and epithelial goblet cells, and may serve as a regulatory factor for intestinal mucosal lymphocytes. Knockout studies in mice suggested that this cytokine plays an essential role in lymphoid cell survival.

    DESCRIPTION

    Interleukin-7 Human Recombinant produced in yeast is a single, glycosylated polypeptide chain containing 152 amino acids and having a molecular mass of 17.4 kDa. The IL-7 is purified by proprietary chromatographic techniques.

    SOURCE

    Saccharomyces cerevisiae.

    PHYSICAL APPEARANCE

    Sterile Filtered White lyophilized (freeze-dried) powder.

    FORMULATION

    Lyophilized from a concentrated (1mg/ml) solution in water containing 20mM phosphate buffer.

    SOLUBILITY

    It is recommended to reconstitute the lyophilized Interleukin -7 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    STABILITY

    Lyophilized Interleukin-7 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL7 should be stored at 4°C between 2-7 days and for future use below -18°C.
    For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
    Please prevent freeze-thaw cycles.

    PURITY

    Greater than 98.0% as determined by SDS-PAGE.

    AMINO ACID SEQUENCE

    The sequence of the first five N-terminal amino acids was determined and was found to be Asp-Cys-Asp-Ile-Glu.

    BIOLOGICAL ACTIVITY

    The ED50 as determined by the dose-dependent stimulation of thymidine uptake by murine pre-B cell line 2E8 is < 0.5 ng/ml, corresponding to a specific activity of > 2 x 106 units/mg.

    PROTEIN CONTENT

    Protein quantitation was carried out by two independent methods:
    1. UV spectroscopy at 280 nm using the absorbency value of 0.418 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
    2. Analysis by RP-HPLC, using a standard solution of IL-7 as a Reference Standard.

    SAFETY DATA SHEET

    SDS

    USAGE

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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    图标文献和实验
    该产品被引用文献

    Interleukin-7 Human Recombinant produced in yeast is a single, glycosylated polypeptide chain containing 152 amino acids and having a molecular mass of 17.4 kDa. The IL-7 is purified by proprietary chromatographic techniques.

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    Recombinant Human Interleukin-7, Saccharomyces
    ￥1080 - 79695