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01701A_557451_image2.png

Two-color analysis of CD244.2 expression on LAK cells. C57BL/6 LAK cells were simultaneously stained with PE-conjugated PK136 (anti-mouse NK-1.1, Cat. No. 557391/553165, both panels) and purified 2B4 (right panel) monoclonal antibodies, followed by FITC-conjugated anti-mouse IgG2b mAb R12-3 (Cat. No. 553395, both panels). Flow cytometry was performed on a BD FACScan™ System (BD Biosciences, San Jose, CA).

557451Image1.png

Two-color analysis of CD244.2 expression on LAK cells. C57BL/6 LAK cells were simultaneously stained with PE-conjugated PK136 (anti-mouse NK-1.1, Cat. No. 557391/553165, both panels) and purified 2B4 (right panel) monoclonal antibodies, followed by FITC-conjugated anti-mouse IgG2b mAb R12-3 (Cat. No. 553395, both panels). Flow cytometry was performed on a BD FACScan™ System (BD Biosciences, San Jose, CA).

01701A_557451_image2.png 557451Image1.png Blue-Cap-White-Label.jpg

Two-color analysis of CD244.2 expression on LAK cells. C57BL/6 LAK cells were simultaneously stained with PE-conjugated PK136 (anti-mouse NK-1.1, Cat. No. 557391/553165, both panels) and purified 2B4 (right panel) monoclonal antibodies, followed by FITC-conjugated anti-mouse IgG2b mAb R12-3 (Cat. No. 553395, both panels). Flow cytometry was performed on a BD FACScan™ System (BD Biosciences, San Jose, CA).

Two-color analysis of CD244.2 expression on LAK cells. C57BL/6 LAK cells were simultaneously stained with PE-conjugated PK136 (anti-mouse NK-1.1, Cat. No. 557391/553165, both panels) and purified 2B4 (right panel) monoclonal antibodies, followed by FITC-conjugated anti-mouse IgG2b mAb R12-3 (Cat. No. 553395, both panels). Flow cytometry was performed on a BD FACScan™ System (BD Biosciences, San Jose, CA).

Product Details
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BD Pharmingen™
CD242.2; 2B4 B6 Alloantigen; Ly90; NAIL; Nmrk; SLAMF4
Mouse (QC Testing)
Mouse 129, also known as 129/J or 129/SvJ IgG2b, κ
rIL-2-propagated NK1.1+ cells from C57BL/6 mice
Flow cytometry (Routinely Tested), Augmentation, Immunoprecipitation, Induction (Reported), Immunohistochemistry-frozen, Immunohistochemistry-paraffin (Not Recommended)
0.5 mg/ml
AB_396713
Aqueous buffered solution containing ≤0.09% sodium azide.
RUO


Preparation And Storage

The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. Store undiluted at 4°C.
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Product Notices

  1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  2. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
  3. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
  4. Sodium azide is a reversible inhibitor of oxidative metabolism; therefore, antibody preparations containing this preservative agent must not be used in cell cultures nor injected into animals. Sodium azide may be removed by washing stained cells or plate-bound antibody or dialyzing soluble antibody in sodium azide-free buffer. Since endotoxin may also affect the results of functional studies, we recommend the NA/LE (No Azide/Low Endotoxin) antibody format, if available, for in vitro and in vivo use.
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557451 Rev. 12
Antibody Details
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2B4

CD244 is a type I transmembrane glycoprotein that is also known as Natural killer cell receptor 2B4 (NKR2B4), or Signaling lymphocytic activation molecule 4 (SLAMF4). CD244 is a member of the CD2 subset of the immunoglobulin superfamily (CD2 IgSF). It is expressed on all natural killer (NK) cells, IL-2-activated NK (LAK) cells, committed progenitors of NK cells, and a subset of T lymphocytes which mediate non-MHC-restricted cytoxicity, including dendritic epidermal T cells. The 2B4 monoclonal antibody specifically binds to CD244.2, the 2B4 alloantigen which is expressed on C57BL/6 and C58/J mice, but not in most strains tested (A/J, AKR, BALB/c, CBA/J, CBA/N, C3H/He, C57BR, DBA/1, DBA/2, NZB, SJL/J, 129). At least two isoforms of CD244.2 protein, products of alternative splicing of hnRNA, are expressed on IL-2-activated C57BL/6 NK cells. They differ only in their cytoplasmic domains; with 2B4L (150-aa cytoplasmic tail) having inhibitory activity and 2B4S (93-aa tail) being stimulatory. The extracellular domain of CD244 is a ligand for another CD2 IgSF member, CD48. 2B4 antibody activates lytic and secretory functions of IL-2-cultured NK cells and CD244.2+ T cells.

557451 Rev. 12
Format Details
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Purified
Tissue culture supernatant is purified by either protein A/G or affinity purification methods. Both methods yield antibody in solution that is free of most other soluble proteins, lipids, etc. This format provides pure antibody that is suitable for a number of downstream applications including: secondary labeling for flow cytometry or microscopy, ELISA, Western blot, etc.
Purified
557451 Rev.12
Citations & References
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View product citations for antibody "557451" on CiteAb

Development References (14)

  1. Brown MH, Boles K, van der Merwe PA, Kumar V, Mathew PA, Barclay AN. 2B4, the natural killer and T cell immunoglobulin superfamily surface protein, is a ligand for CD48. J Exp Med. 1998; 188(11):2083-2090. (Biology). View Reference
  2. Davis SJ, van der Merwe PA. The structure and ligand interactions of CD2: implications for T-cell function. Immunol Today. 1996; 17(4):177-187. (Biology). View Reference
  3. Garni-Wagner BA, Purohit A, Mathew PA, Bennett M, Kumar V. A novel function-associated molecule related to non-MHC-restricted cytotoxicity mediated by activated natural killer cells and T cells. J Immunol. 1993; 151(1):60-70. (Clone-specific: Immunoprecipitation). View Reference
  4. Idris AH, Smith HR, Mason LH, Ortaldo JR, Scalzo AA, Yokoyama WM. The natural killer gene complex genetic locus Chok encodes Ly-49D, a target recognition receptor that activates natural killing. Proc Natl Acad Sci U S A. 1999; 96(11):6330-6335. (Clone-specific: Induction). View Reference
  5. Kubota K, Katoh H, Muguruma K, Koyama K. Characterization of a surface membrane molecule expressed by natural killer cells in most inbred mouse strains: monoclonal antibody C9.1 identifies an allelic form of the 2B4 antigen. Immunology. 1999; 96(3):491-497. (Clone-specific: Immunoprecipitation). View Reference
  6. Kumaresan PR, Stepp SE, Bennett M, Kumar V, Mathew PA. Molecular cloning of transmembrane and soluble forms of a novel rat natural killer cell receptor related to 2B4. Immunogenetics. 2000; 51(4-5):306-313. (Biology). View Reference
  7. Latchman Y, McKay PF, Reiser H. Identification of the 2B4 molecule as a counter-receptor for CD48. J Immunol. 1998; 161(11):5809-5812. (Clone-specific: Immunoprecipitation, Induction). View Reference
  8. Mathew PA, Garni-Wagner BA, Land K, et al. Cloning and characterization of the 2B4 gene encoding a molecule associated with non-MHC-restricted killing mediated by activated natural killer cells and T cells. J Immunol. 1993; 151(10):5328-5337. (Clone-specific: Immunoprecipitation). View Reference
  9. Rosmaraki EE, Douagi I, Roth C, Colucci F, Cumano A, Di Santo JP. Identification of committed NK cell progenitors in adult murine bone marrow. Eur J Immunol. 2001; 31(6):1900-1909. (Biology). View Reference
  10. Schatzle JD, Sheu S, Stepp SE, Mathew PA, Bennett M, Kumar V. Characterization of inhibitory and stimulatory forms of the murine natural killer cell receptor 2B4. Proc Natl Acad Sci U S A. 1999; 96(7):3870-3875. (Clone-specific: Immunoprecipitation). View Reference
  11. Schuhmachers G, Ariizumi K, Mathew PA, Bennett M, Kumar V, Takashima A. 2B4, a new member of the immunoglobulin gene superfamily, is expressed on murine dendritic epidermal T cells and plays a functional role in their killing of skin tumors. J Invest Dermatol. 1995; 105(4):592-596. (Biology). View Reference
  12. Schuhmachers G, Ariizumi K, Mathew PA, Bennett M, Kumar V, Takashima A. Activation of murine epidermal gamma delta T cells through surface 2B4. Eur J Immunol. 1995; 25(4):1117-1120. (Biology). View Reference
  13. Sentman CL, Hackett J Jr, Moore TA, Tutt MM, Bennett M, Kumar V. Pan natural killer cell monoclonal antibodies and their relationship to the NK1.1 antigen. Hybridoma. 1989; 8(6):605-614. (Immunogen). View Reference
  14. Stepp SE, Schatzle JD, Bennett M, Kumar V, Mathew PA. Gene structure of the murine NK cell receptor 2B4: presence of two alternatively spliced isoforms with distinct cytoplasmic domains. Eur J Immunol. 1999; 29(8):2392-2399. (Clone-specific: Immunoprecipitation). View Reference
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557451 Rev. 12

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For Research Use Only. Not for use in diagnostic or therapeutic procedures.