CD44 Monoclonal Antibody (YKIX337.8), FITC, eBioscience™, Invitrogen™

Description

• Description: This YKIX337.8 monoclonal antibody reacts with canine CD44, also known as phagocytic glycoprotein-1 (Pgp-1)
• CD44 is an adhesion molecule that binds hyaluronan, a major component of the extracellular matrix
• This cell surface molecule is expressed on leukocytes and epithelial cells, as well as in canine mammary and melanocytic tumors
• Furthermore, CD44 expression is induced by T cell activation
• Applications Reported: This YKIX337.8 antibody has been reported for use in flow cytometric analysis
• Applications Tested: This YKIX337.8 antibody has been pre-titrated and tested by flow cytometric analysis of normal canine peripheral blood cells
• This can be used at 5 μL (0.125 μg) per test
• A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL
• Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test
• Excitation: 488 nm; Emission: 520 nm; Laser: Blue Laser
• Filtration: 0.2 μm post-manufacturing filtered
• CD44 cell surface antigen is a 100 kDa type 1 transmembrane glycoprotein widely expressed on human leucocytes, white matter of the brain and by some epithelial cells of the intestine and breast
• Several isoforms of CD44 exist, including the predominant CD44H isoform detected in many normal tissues
• CD44 is a receptor for hyaluronic acid (HA) and is involved in cell-cell interactions, cell adhesion and migration
• CD44 also participates in a wide variety of cellular functions including lymphocyte activation, recirculation and homing
• CD44 expression may be up-regulated upon some carcinomas, and it has been speculated that this may be related to metastatic potential
• CD44 is expressed by hematopoietic, non-hematopoietic cells, epithelial tissues, and to filopodia in cultured keratinocytes
• Further, bone marrow myeloid cells and memory T cells express CD44 at high levels, and peripheral B and T cells can upregulate the expression of CD44 in response to certain stimulatory events
• Transcripts for the CD44 gene undergo complex alternative splicing that results in many functionally distinct isoforms, however, the full-length nature of some of these variants have not been determined
• Alternative splicing is the basis for the structural and functional diversity of the CD44 protein
• Diseases associated with CD44 dysfunction include superficial keratitis and lichen sclerosus
• CD44 also may be related to tumor metastasis formation.