| 产品介绍 | | |
| Rat anti Human CD28 antibody, clone YTH913.12recognizes human CD28, a ~44 kDa single pass type 1 trans-membrane protein expressed as a homodimer on a major subset of human T-cells (Thompsonet al.1989), responsible for activation of these cells via interaction with the TCR. CD28 is involved in the tuning of the T-cell for activation via TCR, lowering the threshold for activation from around 8000 triggered TCRs to approximately 1500 (Violaet al.1996).CD28 along with CD152, also known as CTLA-4 acts as a co-receptor for the co-stimulatory molecules CD80 and CD86 (Azumaet al.1993). CD28 offers a positive stimulatory role on ligation of CD80 and CD86 while CTLA-4 offers a negative feedback signal preventing CD28 mediated T-cell activation of CD86 (Krummelet al.1995).Rat anti human CD28, clone YTH913.12 has been reported to recognize an epitope of CD28 expressed by NK cells, which is not recognized by other anti human CD28 clones such as 9.3 and CD28.2 (Galea-Lauriet al1999.) Other reports however have failed to demonstrate CD28 staining on peripheral blood derived NK cells using clone YTH913.12 ( |
| 产品详情 | | |
| Target Species | Mouse |
| Product Form | Purified IgG conjugated to Pacific Blue - liquid |
| Preparation | Purified IgG prepared by affinity chromatography on Protein G from tissue culture supernatant |
| Buffer Solution | Phosphate buffered saline |
| Preservative Stabilisers | 0.09% Sodium Azide (NaN3)1% Bovine Serum Albumin |
| Immunogen | Human peripheral blood T-cells |
| Fusion Partners | Spleen cells from an immunised DA rat were fused with cells of the Y3/Ag 1.2.3 rat myeloma cell line |
| Max Ex/Em | Fluorophore | Excitation Max (nm) | Emission Max (nm) |
| Pacific Blue® | 410 | 455 |
| Acknowledgements | This product is provided under an intellectual property licence from Life Technologies Corporation. The transfer of this product is contingent on the buyer using the purchased product solely in research, excluding contract research or any fee for service research, and the buyer must not sell or otherwise transfer this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; (c) manufacturing or quality assurance or quality control, or (d) resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad CA 92008 USA or outlicensing@thermofisher.com |
| Regulatory | For research purposes only |
| Guarantee | 12 months from date of despatch |
| 存储条件 | | |
| Prior to reconstitution store at +4℃. Following reconstitution store at +4℃.DO NOT FREEZE.This product should be stored undiluted. This product is photosensitive and should be protected from light. Should this product contain a precipitate we recommend microcentrifugation before use. |
| 应用 | | |
| Application Name | Verified | Min Dilution | Max Dilution |
| Flow Cytometry | √ | Neat | |
| This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit theantibody protocolspage.Where this antibody has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system using appropriate negative/positive controls. |
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| 文献 |
| 1.Reiter, C. (1989) Cluster Report: CD28 in Leucocyte Typing IV: White Cell Differentiation Antigens. Edited by Knapp, W., Dorken, B., Gilks, W.R., Rieber, E.P., Schmidt, R.E., Stein, H. and von dem Borne, A.E.G.Kr.Oxford University Press. pp 352-3.2.Galea-Lauri, J.et al.(1999) Expression of a variant of CD28 on a subpopulation of human NK cells: implications for B7-mediated stimulation of NK cells.J Immunol. 163 (1): 62-70.3.Gabdoulkhakova, A.et al.(2007) High rate of mutation reporter gene inactivation during human T cell proliferation.Immunogenetics. 59: 135-43.4.Pridgeon, C.et al.(2011) Regulation of IL-17 in chronic inflammation in the human lung.Clin Sci (Lond). 120: 515-24. |
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