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The antibody 123A8 is directed against human NCAM/CD56 and reacts with an epitope within the membrane-proximal region of the NCAM molecule. The antibody binds to all NCAM isoforms.
Staining of paraffin embedded tissues with 123A8 is possible following heat mediated antigen retrieval of paraffin sections using 10mM citrate buffer, pH 6.0.
The antibody may be stored at 4°C. For prolonged storage prepare appropriate aliquots and store at or below -20°C. Prior to use, an aliquot is thawed slowly in the dark at ambient temperature, spun down again and used to prepare working dilutions by adding sterile phosphate buffered saline (PBS, pH 7.2). Repeated thawing and freezing should be avoided. Working dilutions should be stored at 4°C, not refrozen, and preferably used the same day. If a slight precipitation occurs upon storage, this should be removed by centrifugation. It will not affect the performance or the concentration of the product.
CD56, also known as neural cell adhesion molecule (NCAM), is a highly glycosylated transmembrane glycoprotein of the immunoglobulin family. It plays a crucial role in cell adhesion, migration, axonal growth, pathfinding, and synaptic plasticity. CD56 is ubiquitously expressed in the nervous system in isoforms ranging from 120-180 kDa and is involved in homotypic adhesion of neural cells. It mediates interactions by binding extracellular matrix components such as laminin and integrins, with polysialic modification reducing CD56-mediated adhesion. In the hematopoietic system, CD56 is expressed on natural killer (NK) cells and a subset of T cells known as NKT cells. It is also found on most neuroectodermal-derived cell lines, tissues, and neoplasms, including retinoblastoma, medulloblastoma, astrocytomas, and neuroblastoma. CD56 serves as a widely used neuroendocrine marker with high sensitivity for neuroendocrine tumors and ovarian granulosa cell tumors. Diseases associated with CD56 dysfunction include rabies and blastic plasmacytoid dendritic cell neoplasms, highlighting its importance in both neural and immune system functions.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: antigen recognized by monoclonal antibody 5.1H11; CD-56; CD56; E NCAM; N CAM1; N-CAM-1; neural cell adhesion molecule; Neural cell adhesion molecule 1; neural cell adhesion molecule, NCAM; sCD56; sNCAM; soluble CD56; soluble NCAM
基因别名: CD56; MSK39; NCAM; NCAM1
UniProt ID: (Human) P13591
Entrez Gene ID: (Human) 4684