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Clone REA423 recognizes the human CD16 antigen, a single-pass type I membrane protein which is also known as low affinity immunoglobulin gamma Fc region receptor III (FcRIII). CD16 is a 50–80 kDa glycoprotein that is expressed in two different isoforms. The transmembrane form is found on human NK cells, macrophages, and mast cells, while the glycosylphosphatidylinositol (GPI)-linked form is present on neutrophils. The human CD16 antigen is a low-affinity receptor for aggregated IgG. The transmembrane form plays a role in signal transduction, NK cell activation, and antibody-dependent cellular cytotoxicity. Clone REA423 recognizes both the extracellular domain of the transmembrane form as well as the GPI-linked form of the human CD16 antigen. CD16 is expressed on the majority of rhesus monkey NK cells and on a subset of monocytes but not on granulocytes. Additional information: Clone REA423 displays negligible binding to Fc receptors.
Miltenyi Biotec B.V. & Co. KG
170-081-021
In Commercial Distribution
- 04049934134388 ()
- Assay development analyte-specific reagent IVD
HB5 recognizes CD21, a type I membrane glycoprotein. Expression of CD21 in humans is found on B cells, follicular dendritic cells, subsets of epithelial cells, and thymic T cells. The primary function attributed to CD21 has been to amplify the B cell receptor (BCR)-mediated signal transduction in response to antigen recognition. To enhance the BCR mediated activation, CD21 associates with CD19 and CD81 in a B cell–specific signal transduction complex, where interaction of BCR with CR2/CD19 amplifies the signals. In addition, CD21 serves as a receptor for split products of complement protein C3, the gp350/220 viral coat protein of the EBV and the immunoregulatory protein CD23.
Miltenyi Biotec B.V. & Co. KG
170-081-022
In Commercial Distribution
- 04049934134371 ()
- Assay development analyte-specific reagent IVD
AC104.3E3 recognizes the human CD33 antigen, a 67 kDa glycoprotein belonging to the sialoadhesin superfamily. The CD33 antigen is highly expressed on human monocytes but weakly on granulocytes and some – but not all – myeloid dendritic cells. The CD33 antigen is also found on myeloid progenitor cells (CFU-GEMM, CFU GM, CFU-G, BFU-E) but is not expressed on lymphocytes, platelets, erythrocytes, or primitive hematopoietic stem cells.
Miltenyi Biotec B.V. & Co. KG
170-081-024
In Commercial Distribution
- 04049934134357 ()
- Assay development analyte-specific reagent IVD
TB03 recognizes the human CD57. CD57, also known as HNK-1 or Leu-7, is an antigenic Oligosaccharide moiety detected on extracellular proteins of certain cell types. In blood, CD57 is found on 15-20% of mononuclear cells, including subsets of NK and T cells, though not on erythrocytes, monocytes, granulocytes, or platelets. Also, CD57 expression can be found on a variety of neural cell types. CD57 has been shown to be expressed on late stage effector CD8+ T cells. The frequency of CD57+ T lymphocytes is raised in a variety of diseases. CD57 expression is also increased on chronically activated CD8+ T cells in persistent viral infections, such as HIV.
Miltenyi Biotec B.V. & Co. KG
170-081-025
In Commercial Distribution
- 04049934134340 ()
- Assay development analyte-specific reagent IVD
145/15 recognizes the human CD62L antigen, a 74 kDa glycoprotein and a member of the selectin family of cell surface molecules. CD62L is also known as L-selectin, LECAM-1, or LAM-1 and binds a series of glycoproteins including CD34, GlyCAM-1, and MAdCAM-1. CD62L is important for homing of naive lymphocytes via endothelial venules to peripheral lymph nodes and Peyer’s patches. The CD62L antigen also contributes to the recruitment of leukocytes from the blood to areas of inflammation. Most hematopoietic cells express CD62L, including many peripheral blood B cells, T cells, monocytes, granulocytes, and some myeloid cells from bone marrow, and thymocytes. CD62L is continuously endoproteolytically cleaved from the cell surface neutrophils and lymphocytes (shedding). Proteolysis is accelerated, for example, after antigenic activation of T cells. Always use fresh material for immunofluorescent staining of CD62L+ cells. For optimal results, the cells should not be older than 8–12 hours. Keep cells continuously cold. CD62L-expression may be rapidly lost due to shedding.
Miltenyi Biotec B.V. & Co. KG
170-081-026
In Commercial Distribution
- 04049934134333 ()
- Assay development analyte-specific reagent IVD
LT2 recognizes the human CD2 antigen, a 50 kDa single-chain transmembrane glycoprotein also known as LFA-2 or receptor for sheep erythrocytes. CD2 belongs to the Ig superfamily and is involved in cell signaling and lymphocyte adhesion. The CD2 antibody reacts with 80–90 % of peripheral blood lymphocytes and more than 95 % of thymocytes. The antibody recognizes all T cells and a subset of NK cells.
Miltenyi Biotec B.V. & Co. KG
170-081-027
In Commercial Distribution
- 04049934134326 ()
- Assay development analyte-specific reagent IVD
LT2 recognizes the human CD2 antigen, a 50 kDa single-chain transmembrane glycoprotein also known as LFA-2 or receptor for sheep erythrocytes. CD2 belongs to the Ig superfamily and is involved in cell signaling and lymphocyte adhesion. The CD2 antibody reacts with 80–90 % of peripheral blood lymphocytes and more than 95 % of thymocytes. The antibody recognizes all T cells and a subset of NK cells.
Miltenyi Biotec B.V. & Co. KG
170-081-028
In Commercial Distribution
- 04049934134319 ()
- Assay development analyte-specific reagent IVD
4E3 recognizes the human CD25 antigen, a 55 kDa glycoprotein also known as the low-affinity interleukin-2 receptor alpha chain (IL-2Rα). CD25 is expressed on activated T and B cells, on macrophages, and on a subset of non-activated CD4+ regulatory T cells. The CD25 antigen contains three epitope regions called A, B, and C. This CD25 antibody recognizes epitope region B.
Miltenyi Biotec B.V. & Co. KG
170-081-029
In Commercial Distribution
- 04049934134302 ()
- Assay development analyte-specific reagent IVD
Clone REA209 recognizes CD42a, a 22 KDa transmembrane glycoprotein, which is also known as glycoprotein IX (GPIX). CD42a is a single-pass type I membrane protein with leucine rich motif containing a series of tandem repeats of a 24-amino acid sequence flanked by conserved disulfide loops, in its ligand binding domains. Expression of CD42a is found on platelets and megakaryocytes. CD42a, together with GPIb receptor complex and platelet glycoprotein V forms a complex which serves as the receptor for von Willebrand factor (VWF). The interaction of the GPIb-IX-V complex to VWF initiates initial platelet adhesion to vascular subendothelium after vascular injury, platelet activation, thrombosis, and hemostasis. Other known ligands for GPIb–IX–V include α-thrombin, clotting factors XI/XIIa, and high-molecular weight kininogen. Additional information: Clone REA209 displays negligible binding to Fc receptors.
Miltenyi Biotec B.V. & Co. KG
170-081-030
In Commercial Distribution
- 04049934134296 ()
- Assay development analyte-specific reagent IVD
REA185 recognizes human CD42b, a 145 kDa, single-pass type I membrane protein. Expression of CD42b is found on platelets and megakaryocytes. CD42b, the alpha chain, together with the beta chain (CD42c), forms the heterodimer, glycoprotein Ib (GP Ib). The GP Ib receptor complex further includes association of the alpha and beta subunits with platelet glycoprotein IX and glycoprotein V and this complex serves as the receptor for von Willebrand factor (VWF). The interaction of the GP Ib-IX-V complex to VWF initiates initial platelet adhesion to vascular subendothelium after vascular injury, platelet activation, thrombosis, and hemostasis. Other known ligands for GPIb–IX–V include α-thrombin, clotting factors XI/XIIa, and high-molecular weight kininogen. Additional information: Clone REA185 displays negligible binding to Fc receptors.
Miltenyi Biotec B.V. & Co. KG
170-081-031
In Commercial Distribution
- 04049934134289 ()
- Assay development analyte-specific reagent IVD