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Purified Mouse Anti-Human CD34
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CD34; CD34 antigen; CD34 molecule
Mouse BALB/c IgG1, κ
Human KG-1a Cell Line
Flow cytometry
25 μg/mL
20 μL
V MA22
Phosphate buffered saline with gelatin and 0.1% sodium azide.

Preparation and Storage

Clone My10: The monoclonal antibody is supplied as 100 µg purified immunoglobulin in 2.0 mL (50 µg/mL) of phosphate-buffered saline (PBS).

Clone 8G12: The monoclonal antibody is supplied as 50 µg purified immunoglobulin in 2.0 mL (25 µg/mL) of PBS. The FITC and PE conjugates are each supplied as 50 µg in 2.0 mL (25 µg/mL) of PBS. The PerCP conjugate is supplied as 50 µg in 1.0 mL (50 µg/mL) of PBS. The PerCP-Cy5.5 conjugate is supplied as 12.5 µg in 1.0 mL (12.5 µg/mL) of PBS. The PE-Cy7 conjugate is supplied as 25 µg in 0.5 mL (50 µg/mL) of PBS. The APC conjugate is supplied as 50 µg in 0.5 mL (100 µg/mL) of PBS. PBS contains gelatin and 0.1% sodium azide. Store vials at 2° to 8°C. Conjugated forms should not be frozen and should be protected from prolonged exposure to light. Each reagent is stable for the period shown on the bottle label when stored as directed.

348050 Rev. 1
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The CD34 antibody, clone 8G12 (Anti–HPCA-2), is derived from the hybridization of Sp2/0-Ag14 mouse myeloma cells with spleen cells of BALB/c mice immunized with the human cell line KG-1a.

The CD34 antibody recognizes a 105–120-kilodalton (kDa) single-chain transmembrane glycoprotein. Clone 8G12 recognizes an epitope on CD34 distinct from the one recognized by clone My10; at least three epitopes have been identified.

348050 Rev. 1
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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.
348050 Rev.1
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Development References (20)

  1. Andrews RG, Singer JW, Bernstein ID. Precursors of colony-forming cells in humans can be distinguished from colony-forming cells by expression of the CD33 and CD34 antigens and light scattering properties. J Exp Med. 1989; 169:1721-1731. (Biology).
  2. Brocklebank AM, Sparrow RL. Enumeration of CD34+ cells in cord blood: a variation on a single-platform flow cytometric method based on the ISHAGE gating strategy.. Cytometry. 2001; 46(4):254-61. (Biology). View Reference
  3. Civin CI, Banquerigo ML, Strauss LC, Loken MR. Antigenic analysis of hematopoiesis. VI. Flow cytometric characterization of My-10-positive progenitor cells in normal human bone marrow.. Exp Hematol. 1987; 15(1):10-7. (Biology). View Reference
  4. Civin CI, Strauss LC, Brovall C, Fackler MJ, Schwartz JF, Shaper JH. Antigenic analysis of hematopoiesis. III. A hematopoietic progenitor cell surface antigen defined by a monoclonal antibody raised against KG-1a cells. J Immunol. Civin CI, Strauss LC; 133(1):157-165. (Biology). View Reference
  5. Civin CI, Trischmann TM, Fackler MJ, et al. Knapp W, Dörken B, Gilks WR, et al, ed. Leucocyte Typing IV: White Cell Differentiation Antigens. New York, NY: Oxford University Press; 1989:818-825.
  6. Gore SD, Kastan MB, Civin CI. Normal human bone marrow precursors that express terminal deoxynucleotidyl transferase include T-cell precursors and possible lymphoid stem cells.. Blood. 1991; 77(8):1681-90. (Biology). View Reference
  7. Greaves MF, Titley I, Colman SM, et al. CD34 cluster workshop report. In: Schlossman SF. Stuart F. Schlossman .. et al., ed. Leucocyte typing V : white cell differentiation antigens : proceedings of the fifth international workshop and conference held in Boston, USA, 3-7 November, 1993. Oxford: Oxford University Press; 1995:840-846.
  8. Hurwitz CA, Loken MR, Graham ML, et al. Asynchronous antigen expression in B lineage acute lymphoblastic leukemia.. Blood. 1988; 72(1):299-307. (Biology). View Reference
  9. Kurtzberg J, Denning SM, Nycum LM, Singer KH, Haynes BF. Immature human thymocytes can be driven to differentiate into nonlymphoid lineages by cytokines from thymic epithelial cells.. Proc Natl Acad Sci USA. 1989; 86(19):7575-9. (Biology). View Reference
  10. Lansdorp PM, Dougherty GJ, Humphries RK. Knapp W, Dörken B, Gilks WR, et al, ed. Leucocyte Typing IV: White Cell Differentiation Antigens. New York, NY: Oxford University Press; 1989:826-827.
  11. Lansdorp PM, Sutherland HJ, Eaves CJ. Selective expression of CD45 isoforms on functional subpopulations of CD34+ hemopoietic cells from human bone marrow.. J Exp Med. 1990; 172(1):363-6. (Biology). View Reference
  12. Leary AG, Strauss LC, Civin CI, Ogawa M. Disparate differentiation in hemopoietic colonies derived from human paired progenitors.. Blood. 1985; 66(2):327-32. (Biology). View Reference
  13. Loken MR, Shah VO, Dattilio K, Civin C. Flow cytometric analysis of human bone marrow, I: Normal erythroid development. Blood. 1987; 69:255-263. (Biology).
  14. Loken MR, Shah VO, Dattilio KL, Civin CI. Flow cytometric analysis of human bone marrow. II. Normal B lymphocyte development. Blood. 1987; 70(5):1316-1324. (Biology). View Reference
  15. Lu L, Walker D, Broxmeyer HE, Hoffman R, Hu W, Walker E. Characterization of adult human marrow hematopoietic progenitors highly enriched by two-color cell sorting with My10 and major histocompatibility class II monoclonal antibodies.. J Immunol. 1987; 139(6):1823-9. (Biology). View Reference
  16. Peschel C, Köller U. Knapp W, Dörken B, Gilks W, et al, ed. Leucocyte Typing IV: White Cell Differentiation Antigens. New York, NY: Oxford University Press; 1989:817-818.
  17. Ryan D, Kossover S, Mitchell S, Frantz C, Hennessy L, Cohen H. Subpopulations of common acute lymphoblastic leukemia antigen-positive lymphoid cells in normal bone marrow identified by hematopoietic differentiation antigens.. Blood. 1986; 68(2):417-25. (Biology). View Reference
  18. Siena S, Bregni M, Brando B, et al. Flow cytometry for clinical estimation of circulating hematopoietic progenitors for autologous transplantation in cancer patients.. Blood. 1991; 77(2):400-9. (Biology). View Reference
  19. Terstappen LW, Huang S, Safford M, Lansdorp PM, Loken MR. Sequential generations of hematopoietic colonies derived from single nonlineage-committed CD34+CD38- progenitor cells. Blood. 1991; 77(6):1218-1227. (Biology). View Reference
  20. Terstappen LW, Safford M, Könemann S, et al. Flow cytometric characterization of acute myeloid leukemia. Part II. Phenotypic heterogeneity at diagnosis.. Leukemia. 1992; 6(1):70-80. (Biology). View Reference
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348050 Rev. 1

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