categories: CD and Related Antigens (Human)

Mouse Monoclonal to CD34 / Mucosialin

QBEnd-10 (IgG1)

Product No.	Form	Quantity	Price
10-566-C025	azide free	0.025 mg	choose region
10-566-C100	azide free	0.1 mg	choose region
1F-566-T025	FITC	25 tests	choose region
1F-566-T100	FITC	100 tests	choose region
1P-566-T025	PE	25 tests	choose region
1P-566-T100	PE	100 tests	choose region
A7-566-T025	Alexa Fluor® 700	25 tests	choose region
A7-566-T100	Alexa Fluor® 700	100 tests	choose region

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Background

CD34 is a highly glycosylated monomeric 111-115 kDa surface protein, which is present on many stem cell populations. It is a well established stem cell marker, though its expression on human hematopoietic stem cells is reversible. CD34 probably serves as a surface receptor that undergoes receptor-mediated endocytosis and regulates adhesion, differentiation and proliferation of hematopoietic stem cells and other progenitors. CD34 expression is likely to represent a specific state of hematopoietic development that may have altered adhering properties with expanding and differentiating capabilities in both in vitro and in vivo conditions.

Entrez Gene (human): 1q32

Specificity

The antibody QBEnd-10 reacts with Class II epitope on CD34 (Mucosialin), a 110-115 kDa monomeric transmembrane phosphoglycoprotein expressed on hematopoietic progenitors cells and on the most pluripotential stem cells; it is gradually lost on progenitor cells. This antibody has been also used as an endothelial marker.
HLDA V.; WS Code BP BP275
HLDA V.; WS Code E E038
HLDA V.; WS Code M MA065
HLDA V.; WS Code M MR09

Immunogen

Human endothelial vesicles

Species Reactivity: Human Non-Human Primates Negative Species: Rat Bovine Sheep Canine (Dog)	Applications: Flow Cytometry Recommended dilution: 5 μg/ml Immunoprecipitation Western Blotting Immunohistochemistry (paraffin sections) Recommended dilution: 1-2 μg/ml Immunohistochemistry (frozen sections) Functional Application The antibody QBEnd-10 induces homotypic adhesion of leukemic cell line. Usage note: Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.	General references Krauter J, Hartl M, Hambach L, Kohlenberg A, Gunsilius E, Ganser A, Heil G: Receptor-mediated endocytosis of CD34 on hematopoietic cells after stimulation with the monoclonal antibody anti-HPCA-1. J Hematother Stem Cell Res. 2001 Dec;10(6):863-71. [Abstract] Dao MA, Arevalo J, Nolta JA: Reversibility of CD34 expression on human hematopoietic stem cells that retain the capacity for secondary reconstitution. Blood. 2003 Jan 1;101(1):112-8. [Abstract] [Full Text] Gangenahalli GU, Singh VK, Verma YK, Gupta P, Sharma RK, Chandra R, Gulati S, Luthra PM: Three-dimensional structure prediction of the interaction of CD34 with the SH3 domain of Crk-L. Stem Cells Dev. 2005 Oct;14(5):470-7. [Abstract] Gangenahalli GU, Singh VK, Verma YK, Gupta P, Sharma RK, Chandra R, Luthra PM: Hematopoietic stem cell antigen CD34: role in adhesion or homing. Stem Cells Dev. 2006 Jun;15(3):305-13. [Abstract] Product Specific References Schlingemann RO, Rietveld FJ, de Waal RM, Bradley NJ, Skene AI, Davies AJ, Greaves MF, Denekamp J, Ruiter DJ: Leukocyte antigen CD34 is expressed by a subset of cultured endothelial cells and on endothelial abluminal microprocesses in the tumor stroma. Lab Invest. 1990 Jun;62(6):690-6. [Abstract] Ramani P, Bradley NJ, Fletcher CD: QBEND/10, a new monoclonal antibody to endothelium: assessment of its diagnostic utility in paraffin sections. Histopathology. 1990 Sep;17(3):237-42. [Abstract] Kuzu I, Bicknell R, Harris AL, Jones M, Gatter KC, Mason DY: Heterogeneity of vascular endothelial cells with relevance to diagnosis of vascular tumours. J Clin Pathol. 1992 Feb;45(2):143-8. [Abstract] [Full Text] Sutherland DR, Marsh JC, Davidson J, Baker MA, Keating A, Mellors A: Differential sensitivity of CD34 epitopes to cleavage by Pasteurella haemolytica glycoprotease: implications for purification of CD34-positive progenitor cells. Exp Hematol. 1992 Jun;20(5):590-9. [Abstract] Grimsley PG, Amos TA, Gordon MY, Greaves MF: Rapid positive selection of CD34+ cells using magnetic microspheres coated with monoclonal antibody QBEND/10 linked via a cleavable disulphide bond. Leukemia. 1993 Jun;7(6):898-908. [Abstract] Poblet E, Jimenez-Acosta F, Rocamora A: QBEND/10 (anti-CD34 antibody) in external root sheath cells and follicular tumors. J Cutan Pathol. 1994 Jun;21(3):224-8. [Abstract] *Traoré Y, Hirn J: Certain anti-CD34 monoclonal antibodies induce homotypic adhesion of leukemic cell lines in a CD18-dependent and a CD18-independent way. Eur J Immunol. 1994 Oct;24(10):2304-11. [Abstract] And many other publications.

Species Reactivity:

Human
Non-Human Primates

Negative Species:

Rat
Bovine
Sheep
Canine (Dog)

Applications:

Flow Cytometry
Recommended dilution: 5 μg/ml
Immunoprecipitation
Western Blotting
Immunohistochemistry (paraffin sections)
Recommended dilution: 1-2 μg/ml
Immunohistochemistry (frozen sections)
Functional Application
The antibody QBEnd-10 induces homotypic adhesion of leukemic cell line.

Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

General references

*Krauter J, Hartl M, Hambach L, Kohlenberg A, Gunsilius E, Ganser A, Heil G: Receptor-mediated endocytosis of CD34 on hematopoietic cells after stimulation with the monoclonal antibody anti-HPCA-1. J Hematother Stem Cell Res. 2001 Dec;10(6):863-71. [Abstract]

*Dao MA, Arevalo J, Nolta JA: Reversibility of CD34 expression on human hematopoietic stem cells that retain the capacity for secondary reconstitution. Blood. 2003 Jan 1;101(1):112-8. [Abstract] [Full Text]

*Gangenahalli GU, Singh VK, Verma YK, Gupta P, Sharma RK, Chandra R, Gulati S, Luthra PM: Three-dimensional structure prediction of the interaction of CD34 with the SH3 domain of Crk-L. Stem Cells Dev. 2005 Oct;14(5):470-7. [Abstract]

*Gangenahalli GU, Singh VK, Verma YK, Gupta P, Sharma RK, Chandra R, Luthra PM: Hematopoietic stem cell antigen CD34: role in adhesion or homing. Stem Cells Dev. 2006 Jun;15(3):305-13. [Abstract]

Product Specific References

*Schlingemann RO, Rietveld FJ, de Waal RM, Bradley NJ, Skene AI, Davies AJ, Greaves MF, Denekamp J, Ruiter DJ: Leukocyte antigen CD34 is expressed by a subset of cultured endothelial cells and on endothelial abluminal microprocesses in the tumor stroma. Lab Invest. 1990 Jun;62(6):690-6. [Abstract]

*Ramani P, Bradley NJ, Fletcher CD: QBEND/10, a new monoclonal antibody to endothelium: assessment of its diagnostic utility in paraffin sections. Histopathology. 1990 Sep;17(3):237-42. [Abstract]

*Kuzu I, Bicknell R, Harris AL, Jones M, Gatter KC, Mason DY: Heterogeneity of vascular endothelial cells with relevance to diagnosis of vascular tumours. J Clin Pathol. 1992 Feb;45(2):143-8. [Abstract] [Full Text]

*Sutherland DR, Marsh JC, Davidson J, Baker MA, Keating A, Mellors A: Differential sensitivity of CD34 epitopes to cleavage by Pasteurella haemolytica glycoprotease: implications for purification of CD34-positive progenitor cells. Exp Hematol. 1992 Jun;20(5):590-9. [Abstract]

*Grimsley PG, Amos TA, Gordon MY, Greaves MF: Rapid positive selection of CD34+ cells using magnetic microspheres coated with monoclonal antibody QBEND/10 linked via a cleavable disulphide bond. Leukemia. 1993 Jun;7(6):898-908. [Abstract]

*Poblet E, Jimenez-Acosta F, Rocamora A: QBEND/10 (anti-CD34 antibody) in external root sheath cells and follicular tumors. J Cutan Pathol. 1994 Jun;21(3):224-8. [Abstract]

*Traoré Y, Hirn J: Certain anti-CD34 monoclonal antibodies induce homotypic adhesion of leukemic cell lines in a CD18-dependent and a CD18-independent way. Eur J Immunol. 1994 Oct;24(10):2304-11. [Abstract]

And many other publications.

For research use only. Not for drug, diagnostic or other use.

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