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      PE Mouse anti-Human Btk
      PE Mouse anti-Human Btk
      Analysis of Btk in human peripheral blood lymphocytes.  Human whole blood was lysed and fixed with 1X BD Phosflow™ Lyse/Fix Buffer (Cat. No. 558049) for 10-15 minutes at 37ºC, then permeabilized (BD Phosflow™ Perm Buffer II, Cat. No. 558052) on ice for 30 minutes, and then stained with either PE Mouse anti-Btk (solid-line histogram) or PE Mouse IgG2a isotype control mAb X39 (Cat. No. 340756, dashed-line histogram).  Flow cytometry was performed on a BD FACSCalibur™ flow cytometry system.  The figure displays lymphocytes that were selected by their scatter profile, and the cells showing higher Btk expression are B lymphocytes.
      PE Mouse anti-Human Btk
      Analysis of Btk in human peripheral blood lymphocytes.  Human whole blood was lysed and fixed with 1X BD Phosflow™ Lyse/Fix Buffer (Cat. No. 558049) for 10-15 minutes at 37ºC, then permeabilized (BD Phosflow™ Perm Buffer II, Cat. No. 558052) on ice for 30 minutes, and then stained with either PE Mouse anti-Btk (solid-line histogram) or PE Mouse IgG2a isotype control mAb X39 (Cat. No. 340756, dashed-line histogram).  Flow cytometry was performed on a BD FACSCalibur™ flow cytometry system.  The figure displays lymphocytes that were selected by their scatter profile, and the cells showing higher Btk expression are B lymphocytes.
      Product Details
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      BD Phosflow™
      Human (QC Testing)
      Mouse IgG2a
      Human N-Terminal Btk aa. 2-172 Recombinant Protein
      Intracellular staining (flow cytometry) (Routinely Tested)
      20 µl
      AB_647183
      Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
      RUO


      Preparation And Storage

      The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated with R-PE under optimum conditions, and unconjugated antibody and free PE were removed. Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
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      Product Notices

      1. This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
      2. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
      3. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
      4. 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.
      5. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
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      558527 Rev. 2
      Antibody Details
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      53/BTK

      Bruton's tyrosine kinase (Btk) is a nonreceptor tyrosine kinase whose function is critical for proper B cell development and signaling.  It is a member of the Tec family of kinases which includes Tec and Itk.  This family is similar to the src family of tyrosine kinases. However, Tec family members lack the N-terminal myristylation site and the regulatory C-terminal tyrosine that are found in src proteins. In addition to an N-terminal pleckstrin homology (PH) domain, the Tec proteins contain Src homology domains 2 and 3 (SH2 and SH3) and a stretch of 60-80 amino acids between the PH and SH3 domains termed the Tec homology domain.  The activity of Btk is regulated by Src-mediated phosphorylation of the kinase domain at tyrosine 551.  This event induces Btk kinase activity and subsequent autophosphorylation at tyrosine 223 in the SH3 domain.  Phosphorylated Btk then associates with the cell membrane via the interaction of the PH domain with phosphatidylinositol 3, 4, 5-triphosphate.  The PH domain is essential for proper activation and function of Btk.  A mutation in the PH domain results in Xid, murine X-linked immunodeficiency, and human X-linked agammaglobulinemia.

      558527 Rev. 2
      Format Details
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      PE
      R-Phycoerythrin (PE), is part of the BD family of Phycobiliprotein dyes. This fluorochrome is a multimeric fluorescent phycobiliprotein with excitation maximum (Ex Max) of 496 nm and 566 nm and an emission maximum (Em Max) at 576 nm. PE is designed to be excited by the Blue (488 nm), Green (532 nm) and Yellow-Green (561 nm) lasers and detected using an optical filter centered near 575 nm (e.g., a 575/26-nm bandpass filter). As PE is excited by multiple lasers, this can result in cross-laser excitation and fluorescence spillover on instruments with various combinations of Blue, Green, and Yellow-Green lasers. Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
      altImg
      PE
      Yellow-Green 488 nm, 532 nm, 561 nm
      496 nm, 566 nm
      576 nm
      558527 Rev.2
      Citations & References
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      Development References (3)

      1. Mahajan S, Fargnoli J, Burkhardt AL, Kut SA, Saouaf SJ, Bolen JB. Src family protein tyrosine kinases induce autoactivation of Bruton's tyrosine kinase. Mol Cell Biol. 1995; 15:5304-5311. (Biology). View Reference
      2. Marshall AJ, Niito H, Yun TJ, Clark EA. Regulation of B-cell activation and differentiation by the phosphatidylinositol 3-kinase and phospholipase Cγ pathway. Immunol Rev. 2000; 176:30-46. (Biology). View Reference
      3. Rawlings DJ, Scharenberg AM, Park H, et al. Activation of BTK by a phosphorylation mechanism initiated by SRC family kinases. Science. 1996; 271:822-825. (Biology). View Reference
      558527 Rev. 2

      Please refer to Support Documents for Quality Certificates


      Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described


      Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims.  Comparisons are not made against non-BD technologies, unless otherwise noted.

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

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