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|Tested species reactivity||Human, Mouse, Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||A 20 amino acid peptide near the carboxy terminus of human CLDN1.|
|Purification||Antigen affinity chromatography|
|Contains||0.02% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 3 months. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Immunocytochemistry (ICC)||5 µg/ml|
|Immunofluorescence (IF)||20 ug/ml|
|Western Blot (WB)||1-2 ug/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
A suggested positive control is HepG2 cell lysate.
PA5-20754 can be used with blocking peptide PEP-0868.
Claudin1 (CLDN1), a member of the claudin family, is an integral membrane protein and a component of tight junction strands. Tight junctions are specialized regions of cell to cell contact consisting of networking strands that act as a molecular gasket for preventing the leakage of ions, water, etc., between cells. They are abundant in luminal epithelial sheets where they maintain epithelial cell polarity. Different tissues exhibit different Claudin composition and CLDN1 expression is often cell type and tissue dependent. Loss of function mutations result in neonatal ichthyosis-sclerosing cholangitis syndrome. CLDN1 and CLDN2 were found to be overexpressed in colonal cancer tissues and may be useful as tumor markers and targets for the treatment of colorectal cancer. Characterization of Claudins expression in human tumors can be an additional diagnostic tool. Recent studies show that CLDN1 has gastric tumor suppressive activity and is a direct transcriptional target of RUNX3. Along with SCARB1, LDL-R, and the tetraspanin superfamily member CD81, CLDN1 has been reported to be an entry factor for the Hepatitis C virus.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
claudin-1; senescence-associated epithelial membrane protein 1; UNQ481/PRO944, CLD1, ILVASC, SEMP1
AI596271; CLD1; CLDN1; ILVASC; SEMP1; UNQ481/PRO944