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K39 reacts exclusively with glial fibrillary acidic protein which is present in astrocytes in the central nervous system and Schwann cells.
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.
This antibody does not cross react with the sialylated form of CD15 (CD15s).
CD15 (Lewis X, Le(x); stage specific embryonic antigen-1, SSEA-1) is a trisacharide determinant (3-fucosyl-N-acetyllactosamine) expressed on several glycolipids, glycoproteins and proteoglycans of various cell types, e.g. granulocytes, mast cells, monocytes, macrophages, cells of gastric mucosa, nervous system or various tumour cells. There are several variants of Lewis x, such as sialyl-Lewis x or sulphated Lewis x. Cells with high surface expression of Le(x) antigen exhibit strong self-aggregation, based on calcium-dependent Le(x)-Le(x) interaction. This process is involved for example in embryo compaction or in autoaggregation of teratocarcinoma cells. Sialyl-Le(x) and its isomer sialyl-Le(a) are ligands of selectins. CD15 expression has been extensively used to confirm diagnosis of Hodgkin's disease.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: 3-fucosyl-N-acetyl-lactosamine epitope; 4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase; alpha (1,3) fucosyltransferase, myeloid specific; alpha (1,3) fucosyltransferase, myeloid-specific; alpha 1,3-fucosyltransferase; Alpha-(1,3)-fucosyltransferase 4; ELAM ligand fucosyltransferase; ELAM-1 ligand fucosyltransferase; Fuc-TIV; Fucosyltransferase 4; fucosyltransferase 4 (alpha (1,3) fucosyltransferase, myeloid-specific); Fucosyltransferase IV; fucT-IV; FUTIV; Galactoside 3-L-fucosyltransferase; Lewis X; SSEA-1; stage-specific embryonic antigen 1
Gene Aliases: AI451562; CD15; ELFT; FAL; FCT3A; FUC-TIV; FucT-IV; FUT4; FUTIV; LeX; SSEA-1; Ssea1
UniProt ID: (Human) P22083, (Mouse) Q11127
Entrez Gene ID: (Human) 2526, (Mouse) 14345
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