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CCL25 Protein (AA 24-150)

CCL25 宿主: 人 宿主: 大肠杆菌(E. Coli) Recombinant > 98 % , as determined by Coomassie stained SDS-PAGE. FACS Active
产品编号 ABIN2666903
发货至: 中国
  • 抗原 See all CCL25 蛋白
    CCL25 (Chemokine (C-C Motif) Ligand 25 (CCL25))
    蛋白类型
    Recombinant
    生物活性
    Active
    产品特性
    AA 24-150
    宿主
    • 6
    • 5
    • 1
    • 1
    资源
    • 9
    • 1
    • 1
    大肠杆菌(E. Coli)
    应用范围
    Flow Cytometry (FACS)
    纯度
    > 98 % , as determined by Coomassie stained SDS-PAGE.
    过滤
    0.22 μm filtered
    内毒素水平

    Less than 0.01 ng per μg cytokine as determined by the LAL method.

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    Discover our top product CCL25 蛋白
  • 应用备注
    Optimal working dilution should be determined by the investigator.
    说明

    Biological activity: Bioactivity was measured by its property to chemoattract BaF3-hCCR9 transfectants in a dose dependent manner.

    限制
    仅限研究用
  • 状态
    Liquid
    溶解方式
    For maximum results, quick spin vial prior to opening. Stock solutions should be prepared at no less than 10 μg/mL in sterile buffer (PBS, HPBS, DPBS, and EBSS) containing carrier protein such as 1 % BSA or HSA. After dilution, the cytokine can be stored between 2 °C and 8 °C for one month or from -20 °C to -70 °C for up to 3 months.
    缓冲液
    0.22 μm filtered protein solution is in PBS.
    注意事项
    Avoid repeated freeze/thaw cycles.
    储存条件
    -20 °C
    储存方法
    Unopened vial can be stored between 2°C and 8°C for three months, at -20°C for six months, or at -70°C for one year.
  • 抗原
    CCL25 (Chemokine (C-C Motif) Ligand 25 (CCL25))
    别名
    CCL25 (CCL25 产品)
    别名
    CCL25 Protein, Ckb15 Protein, SCYA25 Protein, TECK Protein, A130072A22Rik Protein, AI852536 Protein, CKb15 Protein, Scya25 Protein, C-C motif chemokine ligand 25 Protein, C-C motif chemokine 25 Protein, chemokine (C-C motif) ligand 25 Protein, Ccl25 Protein, CCL25 Protein, ccl25 Protein
    背景
    CCL25 (TECK) binds to CCR9, the only known receptor for TECK. CCR9 is expressed by a small population of circulating memory CD4+ and CD8+ lymphocytes expressing the intestinal homing receptor α4β7. Therefore, CCL25 is a key regulator for CCR9+CD4+ α4β7 T cell homing to the small intestine. In addition, CCL25 induces adhesion of CD103+ (αEβ7) on CD8 intraepithelial lymphocytes to its epithelial ligand E-cadherin. In inflammatory bowel diseases (IBD), as in celiac and Crohn's diseases, the proportion of CCR9+ cells in the peripheral blood and in the gut seems to be inversed, there is a lower frequency of CCR9+CD4+ T cells in the gut mucosa than in the peripheral blood. Also, a decrease in CCR9+CD4+ T cells occurs in the gut of HIV-infected patients. This decrease correlates with a lower expression of CCL25 by inflamed gut endothelial cells. Unusual expression of CCL25 in the liver occurs in primary sclerosis cholangitis (extra-intestinal complication of IBD). In this way, human T cells activated in the gut can be recruited to liver endothelium. Functional expression of CCR9 has been detected in melanoma derived cells, and it has been associated to small intestine metastatic melanoma processes. In addition, CCR9 is expressed by ovarian, breast, and prostate cancer cells.
    分子量
    The 128 amino acid recombinant protein has a predicted molecular mass of approximately 14.3 kDa. The DTT-reduced and non-reduced protein migrate at approximately 16 and 17 kDa by SDS-PAGE respectively. The N-terminal amino acid is Met.
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