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Catalog Number: (75841-954)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The PC61.5 antibody specifically reacts with mouse CD25, the 55 kDa low-affinity Interleukin-2 Receptor α chain (IL-2R α), expressed on early progenitors of T and B lineage, and on B and T cells. Together with CD122 (IL-2 Receptor β) and CD 132 (IL-2 Receptor γc, the common gamma chain), CD25 forms high-affinity receptor complexes for IL-2. Resting B and T cells and natural killer cells do not express IL-2Rα. Cd25 is also expressed on the dendritic cells, and it enhances lymphocyte differentiation and activation.The PC61.5 antibody blocks the binding of IL-2 to both high-affinity and low-affinity receptors.

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Catalog Number: (75843-520)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The 11B11 monoclonal antibody specifically reacts with mouse 14 kDa cytokine IL-4, expressed by the activated NKT cells and mast cells. IL-4 is species-specific and stimulates the proliferation and differentiation of B lymphocytes. It upregulates the expression of IgE receptors and class II MHC antigen.The 11B11 antibody neutralizes the IL-4 cytokine.

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Catalog Number: (75841-632)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The MEL-14 monoclonal antibody specifically reacts with L- selectin (CD62L), a receptor with lectin-like and Epidermal Growth Factor-like domains. The weight of the CD62L molecules depend on their origin: 74 kDa (on lymphocytes) or 95 kDa (on neutrophils).In the Mouseorganism, CD62L can be expressed by most thymocytes, on subsets of B and T lymphocytes, monocytes, eosinophils, and neutrophils. The L-selectin binds sulfated, fucosylated, and glycosylated glycoproteins (MadCAM-1, GLYCAM-1, and CD 34). It mediates the migration of lymphocytes to the site of inflammation and their return to the peripheral lymphoid tissues and to the HEV (high endothelial venules). In vitro, L-selectin inhibits this binding and the lymphocyte extravasation into peripheral lymph nodes.

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Catalog Number: (75842-940)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The IM7 monoclonal antibody specifically reacts with all the isoforms and both alloantigens of the CD44 glycoprotein (Pgp-1, Ly-24). CD44 is expressed on hematopoietic and non-hematopoietic cells, bone marrow myeloid cells, memory T lymphocytes, periphery activated B cells, CD4+ T lymphocytes, and CD8+ T lymphocytes. The periphery B and T lymphocytes upregulate the expression of CD44. CD44 binds to hyaluronan molecules, acting as an adhesion molecule.The IM7 antibody inhibits collagen-induced arthritis in DBA/1 mice, prevents central nervous system inflammation associated with experimental autoimmune encephalomyelitis, but exacerbates the experimental autoimmune thyroiditis in CBA/J mice. The IM7 antibody also cross-reacts with dog, human, pig, horse, cat, and cow leukocytes.

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Catalog Number: (75841-826)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The IM7 monoclonal antibody specifically reacts with all the isoforms and both alloantigens of the CD44 glycoprotein (Pgp-1, Ly-24). CD44 is expressed on hematopoietic and non-hematopoietic cells, bone marrow myeloid cells, memory T lymphocytes, periphery activated B cells, CD4+ T lymphocytes, and CD8+ T lymphocytes. The periphery B and T lymphocytes upregulate the expression of CD44. CD44 binds to hyaluronan molecules, acting as an adhesion molecule.The IM7 antibody inhibits collagen-induced arthritis in DBA/1 mice, prevents central nervous system inflammation associated with experimental autoimmune encephalomyelitis, but exacerbates the experimental autoimmune thyroiditis in CBA/J mice. The IM7 antibody also cross-reacts with dog, human, pig, horse, cat, and cow leukocytes.

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Catalog Number: (75844-414)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The P1H12 monoclonal antibody reacts with CD146, 118kDA transmembrane glycoprotein that is also called the melanoma cell adhesion molecule (Mel-CAM), MUC18, Endo-CAM, and S-Endo. It is a prominently glycosylated protein with carbohydrates comprising the majority of its mass and it is expressed on melanoma, stromal, endothelial, and bone marrow fibroblasts. The P1H12 antibody cross reacts with human, mouse, canine, rabbit to the exclusion of rat protein.

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Catalog Number: (75842-132)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The 1D3 monoclonal antibody specifically reacts with mouse CD19, a 95 kDa transmembrane glycoprotein, a member of the Ig superfamily and a B cell-lineage differentiation antigen expressed by all the B lymphocyte development stages, except for the terminally differentiated plasma cells. CD19 associates with CD21, CD81 and MHC class II to form a multi-molecular complex that initiates the mature B lymphocyte activation by interaction with the B-cell receptors. CD 19 enhances the B cell proliferation, development and activation, and the maturation of memory B cells. In CD19-deficient mice, the generation and maturation of B lymphocytes in the bone marrow and periphery are affected.

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Catalog Number: (75843-866)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The UCHT1 monoclonal antibody specifically reacts with the ε chain of the CD3/T lymphocyte antigen receptor complex. The CD3 complex contains γ, δ, and ε chains, and it is part of the TCR complex, expressed by all mature T lymphocytes and by the thymocyte lineage. CD3 enhances the antigen recognition by signal transduction. Unlike HIT3a, another specific antibody of CD3, the UCHT1 antibody can stain both the surface and intracellular CD3ε. The immobilized UCHT1 can cross-link with the TCR complex, enhancing cellular activation and proliferation.

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Catalog Number: (75841-460)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The JES6-5H4 antibody specifically binds to mouse IL-2, a 17 kDa immunoregulatory cytokine and growth factor for T and B lymphocytes, NK cells, monocytes, and macrophages. IL-2 induces the cytotoxic operations of NK cells, activates B cells, and plays a role in the differentiation of T cells. JES6-5H4 seems to have a neutralizing effect on interleukin-2.

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Catalog Number: (75843-180)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The DL-101 monoclonal antibody specifically reacts with human CD138, a 85-92 kDA type I heparan sulfate proteoglycan. CD138 is known as Syndecan-1 and is expressed on pre-B cells, immature B cells, plasma cells, and malignant plasma cells, to the exclusion of mature circulating B cells. Syndecan-1 is also expressed on vascular smooth muscle, endothelial, neural, and embryonic mesenchymal cells. It is involved in cellular proliferation, cellular migration, and acts as an extracellular matrix receptor. Among the hematopoietic elements, CD138 is a useful marker for plasma cells.

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Catalog Number: (75841-502)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The ICRF44 monoclonal antibody specifically reacts with the 165 kDa human adhesion glycoprotein CD11b, which forms, together with the 95 kDa CD18 (integrin β2) a complex known as Mac-1. CD11b is expressed on the surface of activated lymphocytes, a subset of natural killer cells, granulocytes, and monocytes. It functions as a receptor in cell-cell and cell-matrix interactions and as a receptor for iC3b, ICAM-1, ICAM-2, and ICAM-3 intercellular adhesion molecules.

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Catalog Number: (75842-650)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The MF23 monoclonal antibody specifically reacts with the mouse 50-55 kDa Foxp3 protein (JM2, IPEX), a member of the forkhead family of transcription factors. Foxp3 is expressed by the Treg lymphocytes, whose development and function are influenced by the forkhead protein. Ectopic expression of Foxp3 in T lymphocytes inhibits their activity and cytokine expression. Mutations of Foxp3 result in the “scurfy” mice phenotype. It is reported that the MF23 antibody recognizes an epitope between 1-87 amino acids in the N-terminal domain of mouse Foxp3.

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Catalog Number: (75843-802)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The RM2-5 monoclonal antibody specifically binds to mouse CD2, a member of the Ig superfamily and type I transmembrane glycoprotein. CD2 is expressed on B cells, T cells, NK cells, and thymocytes and its ligand is CD48. It may be involved in immunoregulation, thymocyte maturation, and T-cell activation. The RM2-5 antibody has been reported to block CD2 mediated cell to cell adhesion.

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Catalog Number: (75841-534)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The N418 monoclonal antibody specifically reacts with the integrin αx chain of the mouse CD11c, which is expressed on dendritic cells, CD4-/CD8+ intestinal intraepithelial lymphocytes (IEL) and some activated T lymphocytes. Low levels of CD11c were detected on mouse splenic natural killer cells and on the monocyte/macrophage lineage cells.CD11c expression is upregulated on IEL and T lymphocytes after activation. It binds to CD54, fibrinogen and iC3b and influences the leukocyte adhesive interactions. The N418 antibody binds to CD11c on splenic dendritic cells of the mouse in the T-dependent areas. It also contributes to the binding of iC3b.

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Catalog Number: (75843-666)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The H57-597 monoclonal antibody is specific for the beta chain of the mouse T cell Receptor (TCR). The crosslinking induces activation and proliferation of T cells, as a plate-bound or a soluble H57-597, or the plate-bound antibody can induce apoptosis, based on assay conditions. The beta chain of the TCR can combine with the alpha chain of the receptor to produce the alpha-beta TCR, which is expressed by the NKT cells, by the NK1.1+ thymocytes and most of the T cells. The beta chain does not react with the gamma-delta TCR-bearing cells, expressed by a small number of T cells. This antibody can be used as a phenotypic marker for the TCR beta expressing cells or for the functional purpose of TCR-mediated cell activation or apoptosis.

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Catalog Number: (75841-748)

Supplier: BIOGEMS INTERNATIONAL INC.

Description: The 61D3 monoclonal antibody specifically reacts with CD14, a cell surface anchored glycoprotein that is primarily expressed on monocytes, inerfollicular macrophages, and a subset of dendritic cells. CD14 associates with MD-2 (LY-96) and TLR4 to form a receptor complex, which signals specifically in response to bacterial lipopolysaccharide (LPS) binding. The CD14/MD-2/TLR4 receptor complex signals via MyD88, TIRAP, and TRAF6, and ultimately activates NF-kappaB.

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