BW242/412 recognizes the human alpha/beta T cell receptor (TCR). The T cell rece
BW242/412 recognizes the human alpha/beta T cell receptor (TCR). The T cell receptor (TCR) is a heterodimer composed of two transmembrane glycoprotein chains, alpha and beta. Both chains are members of the Ig superfamily and consist of a constant and a polymorphic variable region. The variable region of the TCRalpha/beta is involved in recognition of antigenic peptides presented by the MHC complex of antigen-presenting cells. The Anti-TCRalpha/beta antibody, BW242/412, recognizes a common determinant of the TCRalpha/beta-CD3 complex.
LT20 recognizes the CD20 antigen, a non-glycosylated transmembrane protein of 33
LT20 recognizes the CD20 antigen, a non-glycosylated transmembrane protein of 33–37 kDa that is expressed on B lineage cells from the pre-B cell stage to the B cell lymphoblast stage. The antigen is further expressed on most malignant B cells. CD20 is not found on early B cell progenitors or plasma cells. Oligomers of CD20 form a Ca2+ channel and might function in the regulation of local responses during B cell activation.
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the leukocyte common antigen (LCA). The CD45 molecule is required for T and B cell activation and is expressed in at least five isoforms depending on the differentiation status of the cell. The CD45 antibody recognizes a common epitope of all CD45 isoforms.
A3C6E2 recognizes human CD117, also known as c-kit or SCF receptor. It is a 145
A3C6E2 recognizes human CD117, also known as c-kit or SCF receptor. It is a 145 kDa receptor tyrosine kinase that is involved in stem cell signaling, activation, and proliferation. The CD117 antigen is expressed on about 1–3% of mononuclear cells from peripheral blood mononuclear cells (PBMCs) or cord blood, and on up to 10% of bone marrow cells. CD117 is further expressed on basophils, myeloid dendritic cells, TCRa/b+ T cells, CD19+ B cells, and CD56+ NK cells, as well as on mast cells, melanocytes, and AML (acute myeloid leukemia) blasts.
HB5 recognizes CD21, a type I membrane glycoprotein. Expression of CD21 in human
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.
145/15 recognizes the human CD62L antigen, a 74 kDa glycoprotein and a member of
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.
DB105 recognizes the CD44 antigen. CD44 is a marker for many types of cancer ste
DB105 recognizes the CD44 antigen. CD44 is a marker for many types of cancer stem cells (CSC), including breast CSCs that possess higher tumorigenicity and metastatic potential, colorectal, pancreatic, and prostate CSCs. In addition, expression was observed in several cancers as well as on carcinoma cell lines. Here, CD44 plays a role in cancer cell migration and matrix adhesion in response to a cellular microenvironment, thus enhancing cellular aggregation and tumor cell growth. CD44 is also expressed on mesodermal cells, such as hematopoietic, fibroblastic, and glial cells.
BW264/56 recognizes the human CD3 antigen which is present on mature human T cel
BW264/56 recognizes the human CD3 antigen which is present on mature human T cells, thymocytes, and a subset of NK cells. CD3 is associated with the T cell receptor (TCR) and is responsible for its signal transduction. The CD3 antigen is a complex of five invariable chains: gamma, delta, epsilon, zeta, and eta. The epitope recognized by the antibody is located on the epsilon-chain of the CD3 complex.
LT19 recognizes the human CD19 antigen, a type-I transmembrane glycoprotein of 9
LT19 recognizes the human CD19 antigen, a type-I transmembrane glycoprotein of 95 kDa that belongs to the immunoglobulin superfamily. CD19 is expressed on B cells throughout most stages of B cell differentiation, though its expression is down-regulated during their terminal differentiation to plasma cells. Expression of CD19 is also found in the majority of B cell–derived malignancies. CD19 is further present on follicular dendritic cells. On B cells, CD19 associates with CD21, CD81, and CD225 (Leu-13) forming a signal transduction complex.
The monoclonal antibody UP-H2 reacts with human CD300e, also known as IREM-2, LM
The monoclonal antibody UP-H2 reacts with human CD300e, also known as IREM-2, LMIR6, or CMRF35-A5. This 34 kDa activating receptor of the immunoglobulin superfamily is expressed on mature myeloid dendritic cells and monocytes and is down-regulated on immature dendritic cells. CD300e interacts with DAP-12, which mediates activating signals. It is reported that the alloreactive response of naive T cells is enhanced by IREM-2 activation of mDCs.
LT19 recognizes the human CD19 antigen, a type-I transmembrane glycoprotein of 9
LT19 recognizes the human CD19 antigen, a type-I transmembrane glycoprotein of 95 kDa that belongs to the immunoglobulin superfamily. CD19 is expressed on B cells throughout most stages of B cell differentiation, though its expression is down-regulated during their terminal differentiation to plasma cells. Expression of CD19 is also found in the majority of B cell–derived malignancies. CD19 is further present on follicular dendritic cells. On B cells, CD19 associates with CD21, CD81, and CD225 (Leu-13) forming a signal transduction complex.
Clone REA570 recognizes the human CD25 glycoprotein, also known as the low-affin
Clone REA570 recognizes the human CD25 glycoprotein, also known as the low-affinity interleukin-2 receptor alpha chain (IL-2Ralpha). It associates with IL-2 receptor beta (CD122) and gamma chains (CD132) to form a high affinity IL-2R complex. CD25 is expressed on activated T and B cells, on macrophages, and on a subset of non-activated CD4+ regulatory T cells. Clone REA570 recognizes epitope region A. Additional information: Clone REA570 displays negligible binding to Fc receptors
REA747 recognizes the human CD45 antigen, a member of the protein tyrosine phosp
REA747 recognizes the human CD45 antigen, a member of the protein tyrosine phosphatase (PTP) family, also known as the leukocyte common antigen (LCA). The CD45 molecule a type I transmembrane protein which is required for T and B cell activation and involved in cell growth, differentiation, mitotic cycle, and oncogenic transformation. CD45 is expressed in different isoforms (CD45RA, CD45RB, CD45RC, CD45RAB, CD45RAC, CD45RBC, CD45RO, CD45R (ABC)) depending on the differentiation status of the cell. The CD45 antibody recognizes a common epitope of all CD45 isoforms. Additional information: Clone REA747 displays negligible binding to Fc receptors.
145/15 recognizes the human CD62L antigen, a 74 kDa glycoprotein and a member of
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.
REA623 recognizes the human CD4 antigen, a 55 kDa single-pass type I membrane pr
REA623 recognizes the human CD4 antigen, a 55 kDa single-pass type I membrane protein, also known as T4/Leu-3. CD4 is highly expressed on T helper cells and at a lower level on monocytes and dendritic cells. It is involved in the recognition of MHC class ll/peptide complexes by the TCR heterodimers and is the receptor for the human immunodeficiency virus (HIV). Additional information: Clone REA623 displays negligible binding to Fc receptors.
BW135/80 recognizes the human CD8 antigen which is strongly expressed on human c
BW135/80 recognizes the human CD8 antigen which is strongly expressed on human cytotoxic T cells and thymocytes, and is also expressed on a subset of NK cells. The CD8 antigen is a disulfide-linked dimer that exists either as a CD8 alpha homodimer or as a CD8 alpha/beta heterodimer. CD8 acts as a coreceptor for the T cell receptor and binds to the MHC Class I molecule. The CD8 antibody recognizes the alpha-subunit of the antigen.
M-T271 recognizes CD27, a member of the tumor necrosis factor receptor family. C
M-T271 recognizes CD27, a member of the tumor necrosis factor receptor family. CD27 is expressed at differing levels on memory B cells, a fraction of plasma cells, and on naive and memory T cells, but is not expressed on naive B cells or effector T cells. It is also expressed on NK cells. CD27 therefore represents a useful marker to distinguish certain T and B cell subsets from each other.
REA196 recognizes the human CD56 antigen, a glycoprotein of the Ig-superfamily,
REA196 recognizes the human CD56 antigen, a glycoprotein of the Ig-superfamily, also known as neural cell adhesion molecule (NCAM), which is expressed in blood on practically all resting and activated NK cells and on a minor subset of CD3+ T cells. CD56 is also expressed in brain (cerebellum and cortex) and at neuromuscular junctions. Certain large granular lymphocyte (LGL) leukemias, small-cell lung carcinomas, neuronal-derived tumors, myelomas, and myeloid leukemias also express CD56. Additional information: Clone REA196 displays negligible binding to Fc receptors.
VIMC6 recognizes the human CD15 antigen which is expressed on human myelomonocyt
VIMC6 recognizes the human CD15 antigen which is expressed on human myelomonocytic cells. It is present on neutrophils, eosinophils, and some monocytes, masked on basophils but not on lymphocytes. The antigen is also expressed on Hodgkin/Reed-Sternberg cells. The CD15 antibody recognizes the carbohydrate structure 3-fucosyl-N-acetyl-lactosamine. This structure is also known as stage specific embryonic antigen 1 (SSEA-1) and a common surface marker for pluripotency on mouse ES and iPS cells. On human cells in contrast, SSEA-1 is expressed only on early differentiating cells. The CD15 antibody recognizes the SSEA-1 antigen in both species. For applications in ES and iPS research, the dilution recommended in the data sheet may need adjustment.
REA414 recognizes the human CD66c antigen, a glycosylphosphatidylinositol (GPI)
REA414 recognizes the human CD66c antigen, a glycosylphosphatidylinositol (GPI) linked protein, which is also known as carcinoembryonic antigen-related cell adhesion molecule 6 (CEACAM6). Within the hematopoietic system, CD66c expression is limited to granulocytes and its precursors, where it serves homotypic and heterotypic adhesion, Ca2+ mediated signaling, and is markedly upregulated from intracellular stores after activation. It is also found in epithelia of various organs. CD66c overexpression is found in a wide variety of epithelial cancer types such as lung, breast, colorectal, and hepatocellular carcinomas.Additional information: Clone REA414 displays negligible binding to Fc receptors.
LT20 recognizes the CD20 antigen, a non-glycosylated transmembrane protein of 33
LT20 recognizes the CD20 antigen, a non-glycosylated transmembrane protein of 33–37 kDa that is expressed on B lineage cells from the pre-B cell stage to the B cell lymphoblast stage. The antigen is further expressed on most malignant B cells. CD20 is not found on early B cell progenitors or plasma cells. Oligomers of CD20 form a Ca2+ channel and might function in the regulation of local responses during B cell activation.
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the leukocyte common antigen (LCA). The CD45 molecule is required for T and B cell activation and is expressed in at least five isoforms depending on the differentiation status of the cell. The CD45 antibody recognizes a common epitope of all CD45 isoforms.
BW264/56 recognizes the human CD3 antigen which is present on mature human T cel
BW264/56 recognizes the human CD3 antigen which is present on mature human T cells, thymocytes, and a subset of NK cells. CD3 is associated with the T cell receptor (TCR) and is responsible for its signal transduction. The CD3 antigen is a complex of five invariable chains: gamma, delta, epsilon, zeta and eta. The epitope recognized by the antibody is located on the epsilon-chain of the CD3 complex.
REA652 recognizes the human alpha/beta T cell receptor (TCR). The T cell recepto
REA652 recognizes the human alpha/beta T cell receptor (TCR). The T cell receptor is a heterodimer composed of two transmembrane glycoprotein chains, alpha and beta. In 95% of T cells the TCR consists of an alpha and beta chain, whereas in 5% of T cells it has gamma and delta chains. Alpha and beta chains are members of the Ig superfamily and consist of a constant and a polymorphic variable region. The variable region of the TCRalpha/beta is involved in recognition of antigenic peptides presented by the MHC complex of antigen-presenting cells. Additional information: Clone REA652 displays negligible binding to Fc receptors.
11F2 recognizes the human gamma/delta T cell receptor (TCR). The T cell receptor
11F2 recognizes the human gamma/delta T cell receptor (TCR). The T cell receptor is a heterodimeric glycoprotein associated with the CD3 antigen. The TCR consists of a alpha and a beta chain (TCRa/b) or a gamma and a delta chain (TCRg/d). Clone 11F2 reacts with a framework epitope of the gamma/delta T cell–receptor. The gamma and delta TCR chains are composed of constant and variable regions, each encoded by distinct gene segments. The gamma chain forms either disulfide-linked or non-disulfide-linked heterodimers with the delta-subunit. The gamma/delta T cell–receptor is present on a subset of T lymphocytes in peripheral blood, intestinal epithelium, lymph node, thymus, and spleen. TCR gamma/delta is involved in the recognition of certain bacterial, self-CD1 molecule, and tumor antigens bound to MHC class I. Gamma/delta T cells are mainly CD4 negative and CD8 negative. T cells expressing the gamma/delta TCR have been shown to play a role in oral tolerance, innate immune response for some tumor cells, and autoimmune disease. Antigen presentation by gamma/delta T cells has been reported.
REA734 recognizes the human CD8 antigen, a cell-surface glycoprotein also known
REA734 recognizes the human CD8 antigen, a cell-surface glycoprotein also known as Leu-2 or CD8a. CD8 is strongly expressed on human cytotoxic T cells and thymocytes as well as on a subset of NK cells. The CD8 antigen is a disulfide-linked dimer that exists either as a CD8a homodimer or as a CD8alpha/beta heterodimer. CD8 acts as a co-receptor for the T cell receptor and binds to the MHC class I molecules. CD8 is involved in T cell development and activation of mature T cells. The CD8 antibody recognizes the alpha-subunit of the antigen. Additional information: Clone REA734 displays negligible binding to Fc receptors.
REA675 recognizes the human CD19 antigen, a type I transmembrane glycoprotein of
REA675 recognizes the human CD19 antigen, a type I transmembrane glycoprotein of 95 kDa that belongs to the immunoglobulin superfamily. CD19 is expressed on B cells throughout most stages of B cell differentiation, though its expression is down-regulated during their terminal differentiation to plasma cells. Expression of CD19 is also found in the majority of B cell–derived malignancies. CD19 is further present on follicular dendritic cells. On B cells, CD19 associates with CD21, CD81, and CD225 (Leu-13) forming a signal transduction complex. Additional information: Clone REA675 displays negligible binding to Fc receptors.
REA1047 recognizes the human CD45FtA antigen, which is expressed on naive CD4+ a
REA1047 recognizes the human CD45FtA antigen, which is expressed on naive CD4+ and CD8+ T cells as well as on CD8+ effector T cells. CD45RA is also present on subsets of B and NK cells as well as on plasmacytoid dendritic cells. The CD45FtA antibody recognizes the 220 kDa isoform of the leukocyte common antigen (LCA), a transmembrane tyrosine Phosphatase. Additional information: Clone REA1047 displays negligible binding to Fc receptors.
97C5 recognizes human CD10, the human common acute lymphoblastic leukemia antige
97C5 recognizes human CD10, the human common acute lymphoblastic leukemia antigen. CD10 is a 100 kDa cell surface molecule identical to human membrane-associated neutral endopeptidase and also known as neprilysin or enkephalinase. Human CD10 is expressed on a wide variety of normal and neoplastic cell types from different tissues including neural and hematopoietic cells. It is expressed on pre and pro B cells and is involved in B cell development and differentiation. The antigen is also present on mature neutrophils, T cell precursors, and some T cell leukemias or lymphomas. Furthermore, CD10 is expressed on neoplastic cells of several B lymphoid leukemias or lymphomas.
REA103 recognizes human CD185, which is a 42 kDa G-protein-coupled chemokine rec
REA103 recognizes human CD185, which is a 42 kDa G-protein-coupled chemokine receptor and is also known as CXCR5, monocyte-derived receptor 15 (MDR15), or Burkitt lymphoma receptor-1 (BLR1). BLR-1 was originally identified on cells of Burkitt lymphoma and B cells. B cell attracting chemokine 1 (BCA-1), also known as B-lymphocyte chemoattractant (BLC) or CXCL13, is the ligand of CD185. It is further expressed on central memory CD4 T cells, T follicular helper cells, and on a migratory population of skin-derived dendritic cells. Additional information: Clone REA103 displays negligible binding to Fc receptors.
M-T271 recognizes CD27, a member of the tumor necrosis factor receptor family. C
M-T271 recognizes CD27, a member of the tumor necrosis factor receptor family. CD27 is expressed at differing levels on memory B cells, a fraction of plasma cells, and on naive and memory T cells, but is not expressed on naive B cells or effector T cells. It is also expressed on NK cells. CD27 therefore represents a useful marker to distinguish certain T and B cell subsets from each other.
A3C6E2 recognizes human CD117, also known as c-kit or SCF receptor. It is a 145
A3C6E2 recognizes human CD117, also known as c-kit or SCF receptor. It is a 145 kDa receptor tyrosine kinase that is involved in stem cell signaling, activation, and proliferation. The CD117 antigen is expressed on about 1–3% of mononuclear cells from peripheral blood mononuclear cells (PBMCs) or cord blood, and on up to 10% of bone marrow cells. CD117 is further expressed on basophils, myeloid dendritic cells, TCRa/b+ T cells, CD19+ B cells, and CD56+ NK cells, as well as on mast cells, melanocytes, and AML (acute myeloid leukemia) blasts.
BW135/80 recognizes the human CD8 antigen which is strongly expressed on human c
BW135/80 recognizes the human CD8 antigen which is strongly expressed on human cytotoxic T cells and thymocytes, and is also expressed on a subset of NK cells. The CD8 antigen is a disulfide-linked dimer that exists either as a CD8alpha homodimer or as a CD8alpha/beta heterodimer. CD8 acts as a coreceptor for the T cell receptor and binds to the MHC Class I molecule. The CD8 antibody recognizes the alpha-subunit of the antigen.
AC104.3E3 recognizes the human CD33 antigen, a 67 kDa glycoprotein belonging to
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.
4E3 recognizes the human CD25 antigen, a 55 kDa glycoprotein also known as the l
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.
REA185 recognizes human CD42b, a 145 kDa, single-pass type I membrane protein. E
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.
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the leukocyte common antigen (LCA). The CD45 molecule is required for T and B cell activation and is expressed in at least five isoforms depending on the differentiation status of the cell. The CD45 antibody recognizes a common epitope of all CD45 isoforms.
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the
5B1 recognizes the human CD45 antigen, a tyrosine phosphatase also known as the leukocyte common antigen (LCA). The CD45 molecule is required for T and B cell activation and is expressed in at least five isoforms depending on the differentiation status of the cell. The CD45 antibody recognizes a common epitope of all CD45 isoforms.
REA613 recognizes the human CD3 antigen, a single-pass type I membrane protein,
REA613 recognizes the human CD3 antigen, a single-pass type I membrane protein, also known as Leu4. CD3 is present on mature human T cells, thymocytes, a subset of NK cells, and on Purkinje cells in cerebellum. It is associated with the T cell receptor (TCR) and is responsible for its signal transduction. The CD3 antigen is a complex of five invariable chains: gamma, delta, epsilon, zeta, and eta. The epitope recognized by the antibody is located on the epsilon-chain of the CD3 complex. Additional information: Clone REA613 displays negligible binding to Fc receptors.
REA675 recognizes the human CD19 antigen, a type I transmembrane glycoprotein of
REA675 recognizes the human CD19 antigen, a type I transmembrane glycoprotein of 95 kDa that belongs to the immunoglobulin superfamily. CD19 is expressed on B cells throughout most stages of B cell differentiation, though its expression is down-regulated during their terminal differentiation to plasma cells. Expression of CD19 is also found in the majority of B cell–derived malignancies. CD19 is further present on follicular dendritic cells. On B cells, CD19 associates with CD21, CD81, and CD225 (Leu-13) forming a signal transduction complex. Additional information: Clone REA675 displays negligible binding to Fc receptors.
11F2 recognizes the human gamma/delta T cell receptor (TCR). The T cell receptor
11F2 recognizes the human gamma/delta T cell receptor (TCR). The T cell receptor is a heterodimeric glycoprotein associated with the CD3 antigen. The TCR consists of a alpha and a beta chain (TCRa/b) or a gamma and a delta chain (TCRg/d). Clone 11F2 reacts with a framework epitope of the gamma/delta T cell–receptor. The gamma and delta TCR chains are composed of constant and variable regions, each encoded by distinct gene segments. The gamma chain forms either disulfide-linked or non-disulfide-linked heterodimers with the delta-subunit. The gamma/delta T cell–receptor is present on a subset of T lymphocytes in peripheral blood, intestinal epithelium, lymph node, thymus, and spleen. TCR gamma/delta is involved in the recognition of certain bacterial, self-CD1 molecule, and tumor antigens bound to MHC class I. Gamma/delta T cells are mainly CD4 negative and CD8 negative. T cells expressing the gamma/delta TCR have been shown to play a role in oral tolerance, innate immune response for some tumor cells, and autoimmune disease. Antigen presentation by gamma/delta T cells has been reported.
Aged human EDTA-treated whole blood samples (6 days old) were stained with 7-AAD
Aged human EDTA-treated whole blood samples (6 days old) were stained with 7-AAD Staining Solution using a lyse-wash procedure and analyzed by flow cytometry using the MACSQuant® Analyzer. For analysis, white blood cells were gated based on forward and side scatter properties and after exclusion of cell debris and red blood cells based on scatter signals. Dead and apoptotic cells were identified by 7-AAD fluorescence.
AC104.3E3 recognizes the human CD33 antigen, a 67 kDa glycoprotein belonging to
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.
T6D11 recognizes the human CD45RA antigen which is expressed on naive CD4+ and C
T6D11 recognizes the human CD45RA antigen which is expressed on naive CD4+ and CD8+ T cells as well as on CD8+ effector T cells. CD45RA is also present on subsets of B and NK cells as well as on plasmacytoid dendritic cells. The CD45RA antibody recognizes the 220 kDa isoform of the leukocyte common antigen (LCA), a transmembrane tyrosine phosphatase.
VIT4 recognizes the human CD4 antigen which is highly expressed on human T helpe
VIT4 recognizes the human CD4 antigen which is highly expressed on human T helper cells and thymocytes, and at lower levels on monocytes and dendritic cells. It is responsible for the recognition of the MHC Class II antigen.
M-T271 recognizes CD27, a member of the tumor necrosis factor receptor family. C
M-T271 recognizes CD27, a member of the tumor necrosis factor receptor family. CD27 is expressed at differing levels on memory B cells, a fraction of plasma cells, and on naive and memory T cells, but is not expressed on naive B cells or effector T cells. It is also expressed on NK cells. CD27 therefore represents a useful marker to distinguish certain T and B cell subsets from each other.
VIT4 recognizes the human CD4 antigen which is highly expressed on human T helpe
VIT4 recognizes the human CD4 antigen which is highly expressed on human T helper cells and thymocytes, and at lower levels on monocytes and dendritic cells. It is responsible for the recognition of the MHC Class II antigen.
REA780 recognizes the human CD20 antigen, a non-glycosylated transmembrane prote
REA780 recognizes the human CD20 antigen, a non-glycosylated transmembrane protein of 33–37 kDa that is expressed on B lineage cells from the pre–B cell stage to the B cell lymphoblast stage. The antigen is further expressed on most malignant B cells. CD20 is not found on early B cell progenitors or plasma cells. Oligomers of CD20 form a Ca2+ channel and might function in the regulation of local responses during B cell activation.Additional information: Clone REA780 displays negligible binding to Fc receptors.
REA747 recognizes the human CD45 antigen, a member of the protein tyrosine phosp
REA747 recognizes the human CD45 antigen, a member of the protein tyrosine phosphatase (PTP) family, also known as the leukocyte common antigen (LCA). The CD45 molecule a type I transmembrane protein which is required for T and B cell activation and involved in cell growth, differentiation, mitotic cycle, and oncogenic transformation. CD45 is expressed in different isoforms (CD45RA, CD45RB, CD45RC, CD45RAB, CD45RAC, CD45RBC, CD45RO, CD45R (ABC)) depending on the differentiation status of the cell. The CD45 antibody recognizes a common epitope of all CD45 isoforms. Additional information: Clone REA747 displays negligible binding to Fc receptors.
T6D11 recognizes the human CD45RA antigen which is expressed on naive CD4+ and C
T6D11 recognizes the human CD45RA antigen which is expressed on naive CD4+ and CD8+ T cells as well as on CD8+ effector T cells. CD45RA is also present on subsets of B and NK cells as well as on plasmacytoid dendritic cells. The CD45RA antibody recognizes the 220 kDa isoform of the leukocyte common antigen (LCA), a transmembrane tyrosine phosphatase.