The antibody recognizes a transmembrane glycoprotein of 140 and 180 kD which has been identified as NCAM (Neural Cell Adhesion Module). At the international Workshop on SCLC antibodies 123C3 has been categorized as cluster 1 antibody. All cells in small cell carcinomas and carcinoids of the lung are strongly positive for 123C3. A minority of cases of other major types of lung carcinoma are sometimes positive as well: however this positivity is generally weak and focal. Adenoid cystic carcinomas of bronchial glands are strongly positive. Neuroblastoma's and Wilms tumors are usually also staining strongly positive. In non-small lung cell carcinomas, 123C3 staining has been associated with more advanced stage and a decreased survival after surgery. Furthermore, this antibody can be used to support diagnosis of lymphoma or to detect residual disease for cases of CD56 positive T/NK -cell lymphoma in which the neoplastic lymphoid cells are small and show minimal atypia, especially in small biopsies.
The antibody recognizes a heterodimeric glycoprotein of 145, 185 kD which has been identified as NCAM (Neural Cell Adhesion Module). Detection of NCAM on cultured cells and in frozen tissue sections. The antibody is further useful for studies on neoplasms of the lung and the nervous system.
TRAIL-R2 (CD262, DR5) is one of two TNF superfamily member intracellular death domain containing receptors for TRAIL (APO2L). Apoptosis, or programmed cell death, occurs during normal cellular differentiation and development of multicellular organisms. Apoptosis is induced by certain cytokines including tumor necrosis factor (TNF) and Fas ligand in the TNF family through their death domain containing receptors, TNF receptor 1 (TNFR1) and Fas, respectively. Another member in the TNF family has been identified and designated TRAIL (for TNF related apoptosis inducing ligand) and Apo2L (for Apo2 ligand). Receptors for TRAIL include two death domain containing receptors, DR4 and DR5, as well as two decoy receptors, DcR1 and DcR2, lacking the intracellular signaling death domain. DcR1 (also called TRID), like the related death receptors DR4 and DR5, contains two extracellular cysteine rich domains. However, DcR1 contains no intracellular death domain and is thus incapable of signaling apoptosis. It has been suggested DcR1 is responsible for TRAIL resistance in normal human tissues including heart, placenta, lung, liver, kidney, spleen, and bone marrow. DR5 is a member of the TNF receptor superfamily, and contains an intracellular death domain. This receptor can be activated by tumor necrosis factor related apoptosis inducing ligand (TNFSF10/TRAIL/APO2L), and transduces apoptosis signal. Studies with FADD deficient mice suggested that FADD, a death domain containing adaptor protein, is required for the apoptosis mediated by this protein.
Antibody Isotype:
IgG1
Monosan Range:
MONOSAN
Clone:
DR5-01
Concentration:
1 mg/ml
Storage buffer:
Phosphate buffered saline (PBS) solution with 15 mM sodium azide
Bra23/9 reacts with a monomorphic determinant of human major histocompatibility (MHC) class I antigens (HLA-A, B and C). Human MHC class I antigens are expressed constitutively on all nucleated cells and platelets and are absent on erythrocytes. MHC class I antigens play a role in class I MHCassociated antigen presentation, inhibition of NK cell cytotoxicity, tumor surveillance, and tissue allotransplantation.
CD45 glycoprotein have various molecular weight on various cell types: B-cells 240 kDa, thymocytes 180 kDa, T-cells multiple bands. Reduced in PAGE gels: 180 and 240 kDa. Isoforms are produced by alternative splicing of domains 4, 5 and 6. Various isoform are expressed differently on different lymphocytes. All hematopoietic cells express CD45 proteins except erythrocytes. Relevant epitopes are termed CD45RA (exon 4), CD45RB (exon 5), CD45RC (exon 6) and CD45R or CD45R0 (exon 4-6 spliced out).
Antibody Isotype:
IgG1-K
Monosan Range:
MONOSAN
Clone:
Bra55
Concentration:
100 ug/ml
Storage buffer:
PBS with 0.02% sodium azide
Storage:
2-8°C
References 1:
Chorváth et al., Neoplasma 34(6), 685-692, (1987)
References 2:
Chorváth et al., Neoplasma 35(5), 495-501, (1988
References 3:
Chorváth et al. Leukocyte Typing IV, pp. 634-637, (1989)
The CD23 molecule is the low affinity IgE receptor found on B cells.It is a membrane glycoprotein of 45 kD and is reported to be found on a sub-population of peripheral blood cells, B lymphocytes and on EBV-transformed B lymphoblastoid cell lines.
Antibody Isotype:
IgG1, kappa
Monosan Range:
MONXtra
Clone:
1B12
Concentration:
Greater than or equal to 67 mg/L
Storage buffer:
Tissue culture supernatant with sodium azide
Storage:
2-8°C
References 1:
Linderoth J et al. Clinical Cancer Research 2003; 9:722-728
References 2:
Peh SC et al. Singapore Medical Journal 2003; 44(4):185-191
References 3:
Maeda K et al. The Journal of Histochem. and Cytochem.2002; 50(11):1475-1485
References 4:
Watson P et al. Histopathology 2000 36(2), 145-150
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