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5ugMouse TECK,重组小鼠胸腺表达趋化因子
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- 上海高创化学科技有限公司
- 2016-07-12 18:13:04
- 上海市
- 739
【简单介绍】
【详细说明】
| Catalogue Number | CHM-259 | |
| Synonyms | C-C motif chemokine 25, Small-inducible cytokine A25, Thymus-expressed chemokine, Chemokine TECK, CCL25, SCYA25, TECK, Ckb15, MGC150327. | |
| Introduction | CCL25 （Teck） is a novel CC chemokine, which is distantly related （about 20% amino acid sequence identity） to other CC chemokines. The mouse CCL25 cDNA has also been cloned and shown to encode a 144 a.a. protein, which exhibits 49% a.a. sequence identity to the human CCL25. Human and mouse CCL25 expression was shown to be greatly restricted to the thymus and small intestine. While dendritic cells are identified as the source of CCL25 production in the thymus, dendritic cells derived from bone marrow do not express CCL25. CCL25 signals through the CCR9 receptor. Teck is possibly involved in T-cell development. Recombinant human and mouse Teck were shown to be chemotactic for activated macrophages, dendritic cells and thymocytes. The recombinant protein demonstrates chemotactic activity on thymocytes, macrophages, THP-1 cells, and dendritic cells but is inactive on peripheral blood lymphocytes and neutrophils. | |
| Description | TECK Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 121 amino acids and having a molecular mass of 14.1kDa. The TECK is purified by proprietary chromatographic techniques. | |
| Source | Escherichia Coli. | |
| Physical Appearance | Sterile Filtered White lyophilized （freeze-dried） powder. | |
| Formulation | Filtered （0.2µm） and lyophilized from a concentrated （1mg/ml） solution in in 1×PBS, pH7.4. | |
| Solubility | It is recommended to reconstitute the lyophilized TECK in sterile 18M?-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions. | |
| Stability | Lyophilized TECK although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution TECK 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 97.0% as determined by （a） Analysis by RP-HPLC. （b） Analysis by SDS-PAGE. | |
| Amino acid sequence | QGAFEDCCLG YQHRIKWNVL RHARNYHE VSGSCNLRAV RFYFRQKVVC GNPEDMNVKR AIRILTARKR LVHWKSASDS QTERKKSNHM KSKVENPNST SVRSATLGHP RMVMMPRKTN N | |
| Biological Activity | Fully biologically active. Determined by its ability to chemoattract human CCR9 transfected BaF3 mouse pro-B cells using a concentration range of 0.1-0.5 ug/ml corresponding to a Specific Activity of 2-10IU/mg. | |
| 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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