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CD44 (Phagocytic glycoprotein I, Extracellular matrix receptor-III, GP90 lymphocyte homing/adhesion receptor, Hermes antigen, Hyaluronate receptor, Heparan sulfate proteoglycan, Epican, CD44 antigen)

CD44 (85–250 kDa) is a polymorphic glycoprotein. Determination of sCD44std will provide more detailed insight into different pathological modifications during cancer and other diseases. - brain tumors: CD44 is strongly expressed in high-grade gliomas and weakly expressed in meningiomas, medulloblastomas and normal brain. - colorectal carcinomas: in human colorectal neoplasia CD44 variant proteins are found on all invasive carcinomas and during carcinoma metastasis. Variants are already expressed at a relatively early stage of colorectal carcinogenesis and tumor progression. - gastric cancer: tumors from patients suffering from stomach adenocarcinomas express CD44 variants. Adenocarcinomas of the intestinal type are strongly positive for exon v5 and v6, whereas diffuse type adenocarcinomas predominantly express exon v5. - lung, breast cancer: in malignant tissues there is gross overproduction of alternatively-spliced large molecular variants in all samples, whereas in the control samples only the standard product was routinely detected with occasional minimal quantities of one or two small variants. - lymphoma: in gastrointestinal lymphoma overexpression of CD44 has been correlated with poor survival and more disseminated disease (6,3). Overexpression of CD44 is also found in several aggressive, but not low-grade, non-Hodgkin´s lymphomas (7) as well as in Hodgkin´s and nodal diffuse lymphomas. - tonsil, skin cancer: variant CD44 isoform expression can be demonstrated in the plasma membrane of squamous cells of skin and tonsil epithelial and is greatly diminished in malignant squamous epithelial tumors. - HIV: CD44 is almost completely depleted from the surface of HIV-infected cells. - inflammatory joint diseases: CD44 expression was decreased in synovial fluid neutrophils from most patients.

3 results found in Immunoassays

Immunoassays
Product Size Price
sCD44std Human ELISA

Type: Sandwich ELISA, HRP-labelled antibody

RAF095R 96 wells (1 kit)
 
sCD44var (v5) Human ELISA

Type: Sandwich ELISA, HRP-labelled antibody

RAF096R 96 wells (1 kit)
 
sCD44var (v6) Human ELISA

Type: Sandwich ELISA, HRP-labelled antibody

RAF097R 96 wells (1 kit)