Claudin-4 (EP417) Rabbit Monoclonal Antibody
Claudin-4 is one of twenty-seven integral membrane tight junction proteins and specializes in paracellular sodium transport. Although claudin proteins are primarily known for their cell adhesion function, Claudin-4 binds to zonula occludens proteins and interacts with numerous signaling pathways.
Claudin-4 is detectable in low amounts in the normal tissues of the lung, kidney, breast, prostate, bladder and gastrointestinal tract. It is a highly specific and sensitive membranous marker for most epithelial neoplasms. Absence of expression in normal mesothelium and mesothelioma provides utility in the differential diagnosis between carcinoma from mesothelioma with 99% specificity. In breast tumors, claudin-4 levels are significantly higher in ER-negative and high grade tumors when compared to ER-positive and low grade tumors. High levels of Claudin-4 expression are associated with later stages of progression and reduced patient survival for most types of epithelial neoplasms. Conversely, its expression is downregulated in gastric and high-grade bladder cancers, and is significantly lower in lymph node metastasis and esophageal tumors with distant metastasis. Low Claudin-4 expression is associated with a poor prognosis in esophageal squamous cell carcinoma.
Specifications
- Reactivity: paraffin
- Visualization: membrane
- Dilution Range: 1:100 - 1:200 *
Package Inserts
IFU:
IFU included with product
SDS:
Download your SDS
Ordering Information
For in vitro diagnostic (IVD) use in USA
1 mL concentrate | AC-0352 |
0.1 mL concentrate | AC-0352A |
This product is not available in Canada
For in vitro diagnostic (IVD) use in Europe
1 mL concentrate | AC-0352 |
0.1 mL concentrate | AC-0352A |
For research use only (RUO) in Japan
1 mL concentrate | AC-0352 |
0.1 mL concentrate | AC-0352A |
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