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Recombinant Claudin18.2 Antibody [CLDN18.2/8141R]

In Stock
Catalog Number Formulation Size Price
51208-RBM3-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$229.00
51208-RBM3-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$519.00
51208-RBM3-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$519.00
Flat Rate Domestic: $75 | Orders outside the US - Contact Us for Order Information | Ships next business day
Formalin-fixed, paraffin-embedded human stomach stained with Claudin18.2 Recombinant Rabbit Monoclonal Antibody (CLDN18.2/8141R). Inset: PBS instead of primary antibody; secondary only negative control.

Formalin-fixed, paraffin-embedded human stomach stained with Claudin18.2 Recombinant Rabbit Monoclonal Antibody (CLDN18.2/8141R). Inset: PBS instead of primary antibody; secondary only negative control.

Applications & Dilutions

Applications Tested Dillution Protocol Note
Immunohistochemistry (IHC)
1-2ug/ml
IHC Protocol
30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes

Summary

The claudin superfamily consists of many structurally related proteins in humans. These proteins are important structural and functional components of tight junctions in paracellular transport. Claudins are located in both epithelial and endothelial cells in all tight junction-bearing tissues. Three classes of proteins are known to localize to tight junctions, including the claudins, occludin and junction adhesion molecule. Claudins, which consist of four transmembrane domains and two extracellular loops, make up tight junction strands. Emerging evidence suggests that the claudin family of proteins regulates transport through tight junctions via differential discrimination for solute size and charge. Claudin expression is often highly restricted to specfic regions of different tissues and may have an important role in transcellular transport through tight junctions.

Product Properties & Targets

Antibody Type
Recombinant Rabbit Monoclonals
Host
Rabbit
Applications
Immunohistochemistry
Species Reactivity
Human
Isotype / Light Chain
IgG / Kappa
Cellular Localization
Cell junction, tight junction. Cell membrane.
Gene Name
CLDN18
Positive Control
Concentrated at the cell-cell borders of epithelial cells.
Immunogen
Recombinant fragment (around aa1-100) of human Claudin18.2 protein (exact sequence is proprietary)
Alternate Names
Claudin-18, Claudin 18; Claudin-18; CLD18_HUMAN; CLDN18; SFTA5; SFTPJ

Database Links

Entrez Gene ID
51208
SwissProt
P56856

Additional Information

Clone
CLDN18.2/8141R
Chromosome Location
3q22.3
Mol. Weight of Antigen
27.8kDa

Related Antibodies

View All CLDN18 Antibodies

Functions

  • Involved in alveolar fluid homeostasis via regulation of alveolar epithelial tight junction composition and therefore ion transport and solute permeability, potentially via downstream regulation of the actin cytoskeleton organization and beta-2-adrenergic signaling (By similarity). Required for lung alveolarization and maintenance of the paracellular alveolar epithelial barrier (By similarity). Acts to maintain epithelial progenitor cell proliferation and organ size, via regulation of YAP1 localization away from the nucleus and thereby restriction of YAP1 target gene transcription (By similarity). Acts as a negative regulator of RANKL-induced osteoclast differentiation, potentially via relocation of TJP2/ZO-2 away from the nucleus, subsequently involved in bone resorption in response to calcium deficiency (By similarity). Mediates the osteoprotective effects of estrogen, potentially via acting downstream of estrogen signaling independently of RANKL signaling pathways (By similarity).
  • Involved in the maintenance of homeostasis of the alveolar microenvironment via regulation of pH and subsequent T-cell activation in the alveolar space, is therefore indirectly involved in limiting C. neoformans infection.
  • Required for the formation of the gastric paracellular barrier via its role in tight junction formation, thereby involved in the response to gastric acidification.

Key References

  • Fanning, A.S., Mitic, L.L. and Anderson, J.M. 1999. Transmembrane proteins in the tight junction barrier. J. Am. Soc. Nephrol. 10: 1337-1345.

PubMed Links

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C.Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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