- Catalog number
- A01585-2
- Size / count
- 100 µg/Vial
- Dry ice
- No
- Hazardous
- No
- Discontinued
- No
- Background
- Claudin-1 is a protein that in humans is encoded by the CLDN1 gene. Tight junctions represent one mode of cell-to-cell adhesion in epithelial or endothelial cell sheets, forming continuous seals around cells and serving as a physical barrier to prevent solutes and water from passing freely through the paracellular space. These junctions are comprised of sets of continuous networking strands in the outwardly facing cytoplasmic leaflet, with complementary grooves in the inwardly facing extracytoplasmic leaflet. The protein encoded by this gene, a member of the claudin family, is an integral membrane protein and a component of tight junction strands. Loss of function mutations result in neonatal ichthyosis-sclerosing cholangitis syndrome.
- Synonyms
- Growth/differentiation factor 15; GDF-15; Macrophage inhibitory cytokine 1; MIC-1; NSAID-activated gene 1 protein; NAG-1; NSAID-regulated gene 1 protein; NRG-1; Placental TGF-beta; Placental bone morphogenetic protein; Prostate differentiation factor; GDF15; MIC1, PDF, PLAB, PTGFB
- Gene Name
- CLDN1
- Gene ID
- 9076
- UniProt
- O95832
- Host
- Rabbit
- Reactivity
- Human
- Cross Reactivity
- No cross-reactivity with other proteins.
- Immunogen
- A synthetic peptide corresponding to a sequence in the middle region of human Claudin 1/CLDN1, identical to the related mouse and rat sequences.
- Clonality
- Polyclonal
- Tissue Specificity
- Highly expressed in placenta, with lower levels in prostate and colon and some expression in kidney.
- Applications
- IHC, ICC, IF
- Field of Research
- Cardiovascular, Cell Biology, Cell Cycle, Cell Division, Cytokinesis, Cytoskeleton/ECM, Extracellular Matrix, Growth Factors/Hormones, Hypertrophy, Signal Transduction, Structures
- Purification
- Immunogen affinity purified.
- Concentration
- Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
- Form
- Lyophilized
- Reconstitution
- Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
- Function
- Intracellular cholesterol transporter which acts in concert with NPC1 and plays an important role in the egress of cholesterol from the lysosomal compartment. Unesterified cholesterol that has been released from LDLs in the lumen of the late endosomes/lysosomes is transferred by NPC2 to the cholesterol-binding pocket in the N-terminal domain of NPC1. May bind and mobilize cholesterol that is associated with membranes. NPC2 binds cholesterol with a 1:1 stoichiometry. Can bind a variety of sterols, including lathosterol, desmosterol and the plant sterols stigmasterol and beta-sitosterol. The secreted form of NCP2 regulates biliary cholesterol secretion via stimulation of ABCG5/ABCG8-mediated cholesterol transport.
- References & Citations
- 1. Baala, L., Hadj-Rabia, S., Hamel-Teillac, D., Hadchouel, M., Prost, C., Leal, S. M., Jacquemin, E., Sefiani, A., de Prost, Y., Courtois, G., Munnich, A., Lyonnet, S., Vabres, P. Homozygosity mapping of a locus for a novel syndromic ichthyosis to chromosome 3q27-q28. J. Invest. Derm. 119: 70-76, 2002. 2. Coyne, C. B., Gambling, T. M., Boucher, R. C., Carson, J. L., Johnson, L. G. Role of claudin interactions in airway tight junctional permeability. Am. J. Physiol. Lung Cell. Molec. Physiol. 285: L1166-L1178, 2003. 3. Dhawan, P., Singh, A. B., Deane, N. G., No, Y., Shiou, S.-R., Schmidt, C., Neff, J., Washington, M. K., Beauchamp, R. D. Claudin-1 regulates cellular transformation and metastatic behavior in colon cancer. J. Clin. Invest. 115: 1765-1776, 2005.
- Storage Conditions
- Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.
- Calculated Molecular Weight
- 34140 MW
- Observed Molecular Weight
- 34 kDa
- Gene Name Synonym
- Growth/differentiation factor 15
- Subcellular Location
- Secreted .
- Protein Name
- Growth/differentiation factor 15
- Isotype
- Rabbit IgG
- Contents
- Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na2HPO4, 0.01mg NaN3.
