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Catalog Number: (100242-278)
Supplier: Southern Biotechnology
Description: Goat Anti-Mouse Ig-Biotin antibody with minimal reactivity to human proteins for use in flow cytometry, immunohistochemistry / immunocytochemistry, western blotting, and ELISpot assays.


Catalog Number: (103265-446)
Supplier: Southern Biotechnology
Description: CD158e1 is a 70 kDa transmembrane glycoprotein and a killer cell immunoglobulin (Ig)-like receptor (KIR) that is expressed on a subset of natural killer cells and T cells. The monoclonal antibody DX9 is expressed on a subset of CD3-, CD56+ NK cells isolated from peripheral blood at varying levels (<0.1% to 61%) among individuals but not on thymocytes, B lymphocytes, granulocytes, or monocytes. Interactions with CD158e1 and certain MHC HLA-B antigens on a target cell inhibits cytotoxicity, possibly preventing target cell lysis and death. KIR and MHC class I interactions may regulate NK and T cell response to antigen stimulation.


Catalog Number: (100244-824)
Supplier: Southern Biotechnology
Description: Porcine CD3ε is a member of the T-cell receptor-associated CD3 complex. It is found on a subpopulation of thymocytes and on all pig T lymphocytes. The monoclonal antibody PPT3 is mitogenic when presented to peripheral blood mononuclear cells in immobilized form.


Catalog Number: (100242-986)
Supplier: Southern Biotechnology
Description: Protein tyrosine residues are phosphorylated as a result of intracellular protein kinase activation (e.g., via growth factors) during normal growth and development and in oncogenesis. The most abundant population of target proteins for tyrosine phosphorylation is cell surface glycoproteins. Antibodies to phosphotyrosine enable the detection, isolation, and characterization of proteins containing phosphotyrosine. The monoclonal antibody PY20 prevents internalization of activated receptors (e.g., EGFR) when microinjected into cells. The affinity of PY20 for phosphotyrosine is approximately 10-6 to 10-7 M. PY20 binding to phosphorylated tyrosines can be inhibited by free phosphotyrosine and phenylphosphate but not by phosphoserine, phosphothreonine, or free phosphate.


Catalog Number: (103259-796)
Supplier: Southern Biotechnology
Description: Goat Anti-Mouse IgG2a-HRP antibody with minimal reactivity to human, bovine, and horse serum proteins for use in ELISA assays.


Catalog Number: (100243-822)
Supplier: Southern Biotechnology
Description: The CD45 antigen is an essential regulator of leukocyte activation and development and is now known to be a protein tyrosine phosphatase, e.g., CD45 is able to dephosporylate the Src family of protein kinases. This activity is known to be required for signal transduction induced by T and B cell antigen receptor engagement, cytokine signaling, and Fc receptor stimulation. The functional state of CD45 also has a pronounced effect on lymphocyte development. CD45 exists in multiple forms, such as the restricted variants (CD45R; see companion products 1660, 1665, 1675, 1685 and 1820) and as allelic forms CD45.1 (Ly-5.1) and CD45.2 (Ly-5.2). The specificity of antibodies to CD45.1 and CD45.2 has been exploited in studies where resolution of donor and recipient cells is essential, such as in gene therapy or bone marrow transplantation. The monoclonal antibody 104 recognizes CD45 (leukocyte common antigen) on all leukocytes of mouse strains expressing the CD45.2 allotype (e.g., A, AKR, BALB/c, CBA/Ca, CBA/J, C3H/He, C57BL, C57BR, C57L, C58, DBA/1, DBA/2, NZB, SWR, 129).


Catalog Number: (100243-618)
Supplier: Southern Biotechnology
Description: CD69, also known as very early activation (VEA) antigen, is a disulfide-linked transmembrane homodimer whose differentially glycosylated subunits range from 35-39 kDa. It is a C-type lectin most closely related to the NKR-P1 and Ly-49 NK cell-activation molecules. CD69 is widely expressed on hematopoietic cells, including lymphocytes, neutrophils and eosinophils. Although not detectable on resting lymphocytes, its expression is rapidly upregulated upon activation of T, B and NK cells, and neutrophils. Constitutive expression of CD69 on subsets of thymocytes suggests that it may be involved in regulation of developmental events in addition to its role in activation of a variety of hematopoietic cells. The monoclonal antibody H1.2F3 augments PMA-induced T-cell proliferation and induces redirected lysis of Fc receptor-bearing target cells by NK cells.


Catalog Number: (100244-290)
Supplier: Southern Biotechnology
Description: Goat F(ab')2 Anti-Human IgG-FITC antibody for use in flow cytometry, immunohistochemistry, and western blotting assays.


Catalog Number: (100243-808)
Supplier: Southern Biotechnology
Description: The CD45 antigen is an essential regulator of leukocyte activation and development and is now known to be a protein tyrosine phosphatase, e.g., CD45 is able to dephosphorylate the Src family of protein kinases. This activity is now known to be required for signal transduction induced by T and B cell antigen receptor engagement, cytokine signaling, and Fc receptor stimulation. The functional state of CD45 also has a pronounced effect on lymphocyte development. CD45 exists in multiple forms, such as the restricted variants (CD45R; see companion products 1660, 1665, 1675, 1685, and 1820) and as allelic forms CD45.1 (Ly-5.1) and CD45.2 (Ly-5.2). The former arises as a result of alternative splicing of different exons. The specificity of antibodies to CD45.1 and CD45.2 has been exploited in studies where resolution of donor and recipient cells is essential, such as in gene therapy or bone marrow transplantation. The monoclonal antibody A20 recognizes all mouse leukocytes expressing the CD45.1 allotype.


Catalog Number: (103265-242)
Supplier: Southern Biotechnology
Description: Alexa Fluor 488 Anti-Human Kappa antibody for use in flow cytometry assays.


Supplier: Southern Biotechnology
Description: NK1.1, a member of the NKR-P1 family of cell surface receptors, is a type II integral membrane glycoprotein with a C-type lectin domain. It is expressed as a disulfide-linked homodimer on all NK cells as well as subsets of thymocytes and peripheral T lymphocytes in selected strains of mice (e.g., C57BL/6, NZB, and CE). NK1.1 mediates cellular activation and differentiation, and is thought to have a particular role in generating Th2 cells. This product does not react with NK cells of BALB/c mice.

Catalog Number: (103259-898)
Supplier: Southern Biotechnology
Description: CD11b (integrin αM subunit) combines with CD18 (integrin β2 subunit) to form the integrin Mac-1, also known as complement receptor 3 (CR3), which mediates adhesion to C3bi and ICAM-1 (CD54). Mac-1 is expressed at varying levels on granulocytes, macrophages, dendritic cells, NK cells, and B-1 cells in the peritoneal and pleural cavities. In addition to its role in binding C3bi on opsonized targets and mediation of the subsequent ingestion process, Mac-1 is important as an adhesion molecule in the transendothelial migration of monocytes and neutrophils.


Catalog Number: (103265-534)
Supplier: Southern Biotechnology
Description: Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a member of the TNF family of cytokines. This type II transmembrane protein is expressed by several cytotoxic immune cells, including natural killer cells and activated T cells, and is selective for tumorigenic and virally infected cells. TRAIL can bind to DR4 and DR5 receptors on target cells which facilitates recruitment of numerous signaling proteins to form a death-inducing signaling complex. This signaling complex is then believed to propagate the apoptotic signal through the recruitment and activation of caspase-8. Numerous studies have identified TRAIL as a potent apoptotic factor in a variety of human cancer cell lines, but this cytokine does not appear to affect normal cell lines. Therefore, the selectivity and anti-tumorigenic properties of TRAIL make it an intriguing and potentially therapeutic agent in the treatment of cancer.


Catalog Number: (101442-910)
Supplier: Southern Biotechnology
Description: CD19 is a type I transmembrane glycoprotein and a member of the immunoglobulin superfamily. It is expressed at all stages of B cell differentiation except terminally differentiated plasma cells. It is also present on the cell surface of follicular dendritic cells. CD19 associates with CD21, CD81, Leu 13 and/or MHC Class II molecules to form a signal transduction complex on the B cell surface. This signaling complex modulates the activation threshold for the B cell antigen receptor (BCR).


Catalog Number: (103264-934)
Supplier: Southern Biotechnology
Description: Rabbit F(ab')2 Anti-Sheep IgG(H+L)-AP antibody with minimal reactivity to human serum proteins for use in ELISA assays.


Catalog Number: (103264-394)
Supplier: Southern Biotechnology
Description: Goat Anti-Mouse IgG Fc-HRP antibody for use in ELISA and western blotting assays.


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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