WB result of Claudin 4 Rabbit mAb
Primary antibody: Claudin 4 Rabbit mAb at 1/1000 dilution
Lane 1: MCF7 whole cell lysate 20 µg
Lane 2: LNCaP whole cell lysate 20 µg
Lane 3: SW480 whole cell lysate 20 µg
Lane 4: SK-OV-3 whole cell lysate 20 µg
Lane 5: PC-3 whole cell lysate 20 µg
Lane 6: OVCAR-3 whole cell lysate 20 µg
Lane 7: T-47D whole cell lysate 20 µg
Secondary antibody: Goat Anti-rabbit IgG, (H+L), HRP conjugated at 1/10000 dilution
Predicted MW: 22 kDa
Observed MW: 15 kDa
Claudin 4 Recombinant Rabbit mAb (SDT-814-53)
Claudin 4 Recombinant Rabbit mAb (SDT-814-53)
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Product Details
Product Details
Product Specification
| Host | Rabbit |
| Synonyms | Clostridium perfringens enterotoxin receptor (CPE-R; CPE-receptor), Williams-Beuren syndrome chromosomal region 8 protein, CLDN4, CPER, CPETR1, WBSCR8 |
| Immunogen | Synthetic Peptide |
| Location | Cell membrane, Cell junction |
| Accession | O14493 |
| Clone Number | SDT-814-53 |
| Antibody Type | Recombinant mAb |
| Isotype | IgG |
| Application | WB, IHC-P, ICC, ICFCM |
| Reactivity | Hu |
| Predicted Reactivity | Pr |
| Purification | Protein A |
| Concentration | 0.5 mg/ml |
| Conjugation | Unconjugated |
| Physical Appearance | Liquid |
| Storage Buffer | PBS, 40% Glycerol, 0.05% BSA, 0.03% Proclin 300 |
| Stability & Storage | 12 months from date of receipt / reconstitution, -20 °C as supplied |
Dilution
| application | dilution | species |
| WB | 1:1000 | |
| IHC-P | 1:500 | |
| ICC | 1:500 | |
| ICFCM | 1:50 |
Background
Claudin 4, also known as CLDN4, is a protein which in humans is encoded by the CLDN4 gene. It belongs to the group of claudins. This gene encodes an integral membrane protein, which belongs to the claudin family. The protein is a component of tight junction strands and may play a role in internal organ development and function during pre- and postnatal life. This gene is deleted in Williams-Beuren syndrome, a neurodevelopmental disorder affecting multiple systems. Claudin 4 can also be used as a marker for distinguishing malignant mesothelioma from lung cancer and uterine serous carcinoma. As a pancreatic cancer marker in cell-blocks of effusion specimens, it has also been found to have a superior performance to BerEp4 staining.
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Western Blot
FC
Flow cytometric analysis of 4% PFA fixed 90% methanol permeabilized MCF7 (Human breast adenocarcinoma epithelial cell) labelling Claudin 4 antibody at 1/50 dilution (1 μg) / (Red) compared with a Rabbit monoclonal IgG (Black) isotype control and an unlabelled control (cells without incubation with primary antibody and secondary antibody) (Blue). Goat Anti - Rabbit IgG Alexa Fluor® 488 was used as the secondary antibody.
Immunohistochemistry
IHC shows positive staining in paraffin-embedded human colon. Anti-Claudin 4 antibody was used at 1/500 dilution, followed by a HRP Polymer for Mouse & Rabbit IgG (ready to use). Counterstained with hematoxylin. Heat mediated antigen retrieval with Tris/EDTA buffer pH9.0 was performed before commencing with IHC staining protocol.
IHC shows positive staining in paraffin-embedded human kidney. Anti-Claudin 4 antibody was used at 1/500 dilution, followed by a HRP Polymer for Mouse & Rabbit IgG (ready to use). Counterstained with hematoxylin. Heat mediated antigen retrieval with Tris/EDTA buffer pH9.0 was performed before commencing with IHC staining protocol.
IHC shows positive staining in paraffin-embedded human bladder cancer. Anti-Claudin 4 antibody was used at 1/500 dilution, followed by a HRP Polymer for Mouse & Rabbit IgG (ready to use). Counterstained with hematoxylin. Heat mediated antigen retrieval with Tris/EDTA buffer pH9.0 was performed before commencing with IHC staining protocol.
IHC shows positive staining in paraffin-embedded human colon cancer. Anti-Claudin 4 antibody was used at 1/500 dilution, followed by a HRP Polymer for Mouse & Rabbit IgG (ready to use). Counterstained with hematoxylin. Heat mediated antigen retrieval with Tris/EDTA buffer pH9.0 was performed before commencing with IHC staining protocol.
IHC shows positive staining in paraffin-embedded human ovarian cancer. Anti-Claudin 4 antibody was used at 1/500 dilution, followed by a HRP Polymer for Mouse & Rabbit IgG (ready to use). Counterstained with hematoxylin. Heat mediated antigen retrieval with Tris/EDTA buffer pH9.0 was performed before commencing with IHC staining protocol.
Negative control: IHC shows negative staining in paraffin-embedded human hepatocellular carcinoma. Anti-Claudin 4 antibody was used at 1/500 dilution, followed by a HRP Polymer for Mouse & Rabbit IgG (ready to use). Counterstained with hematoxylin. Heat mediated antigen retrieval with Tris/EDTA buffer pH9.0 was performed before commencing with IHC staining protocol.
Immunocytochemistry
ICC shows positive staining in MCF7 cells. Anti-Claudin 4 antibody was used at 1/500 dilution (Green) and incubated overnight at 4°C. Goat polyclonal Antibody to Rabbit IgG - H&L (Alexa Fluor® 488) was used as secondary antibody at 1/1000 dilution. The cells were fixed with 100% ice-cold methanol and permeabilized with 0.1% PBS-Triton X-100. Nuclei were counterstained with DAPI (Blue). Counterstain with tubulin (Red).
