Villin (GI-Mucosal & Urogenital Brush Border Marker) Antibody [VIL1/1314 + VIL1/2376]

Name: Villin (GI-Mucosal &amp; Urogenital Brush Border Marker) Antibody
SKU: 7429-MSM3
Availability: InStock

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Villin (GI-Mucosal & Urogenital Brush Border Marker) Antibody

Formalin-fixed, paraffin-embedded human Small Intestine stained with Villin Mouse Monoclonal Antibody (VIL1/1314 + VIL1/2376).

Villin (GI-Mucosal & Urogenital Brush Border Marker) Antibody - Image 2

Formalin-fixed, paraffin-embedded human Colon Carcinoma stained with Villin Mouse Monoclonal Antibody (VIL1/1314 + VIL1/2376).

Applications & Dilutions

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

Recognizes a protein of 95kDa, which is identified as villin. It is a major constituent in the microvilli, which compose the brush border of epithelial cells forming absorptive surfaces of the intestinal and renal proximal tubular epithelia. Anti-Villin labels the brush border area in the gastrointestinal mucosal epithelium and urogenital tract. Among neoplasms, villin is predominantly expressed in tumors of colorectal origin. Antibody to villin is useful in identifying malignant cells from primary and metastatic colorectal carcinomas. This antibody also labels Merkel cells of the skin.

Product Properties & Targets

Antibody Type

Mouse Monoclonals

Host

Mouse

Applications

Immunohistochemistry

Species Reactivity

Human

Research Areas

Cardiovascular

Isotype / Light Chain

IgG1 / Kappa

Cellular Localization

Cell projection, Cytoplasm, Cytoskeleton, Filopodium, Filopodium tip, Lamellipodium, Microvillus, Ruffle

Gene Name

VIL1

Positive Control

A549, HepG2 and HCT116 cells. Colon or Rectum.

Immunogen

A recombinant fragment (around aa179-311) of human Villin protein (exact sequence is proprietary)

Alternate Names

Villin-1, VIL1; Villin-1; Villin1

Database Links

Entrez Gene ID

7429

SwissProt

P09327

Additional Information

Clone

VIL1/1314 + VIL1/2376

Chromosome Location

2q35

Mol. Weight of Antigen

93kDa

Functions

Epithelial cell-specific Ca(2+)-regulated actin-modifying protein that modulates the reorganization of microvillar actin filaments. Plays a role in the actin nucleation, actin filament bundle assembly, actin filament capping and severing. Binds phosphatidylinositol 4,5-bisphosphate (PIP2) and lysophosphatidic acid (LPA); binds LPA with higher affinity than PIP2. Binding to LPA increases its phosphorylation by SRC and inhibits all actin-modifying activities. Binding to PIP2 inhibits actin-capping and -severing activities but enhances actin-bundling activity. Regulates the intestinal epithelial cell morphology, cell invasion, cell migration and apoptosis. Protects against apoptosis induced by dextran sodium sulfate (DSS) in the gastrointestinal epithelium. Appears to regulate cell death by maintaining mitochondrial integrity. Enhances hepatocyte growth factor (HGF)-induced epithelial cell motility, chemotaxis and wound repair. Upon S.flexneri cell infection, its actin-severing activity enhances actin-based motility of the bacteria and plays a role during the dissemination.

Key References

West BA, et al. 1988;94:343-52.
Bacchi CE, et al. Lab Invest. 1991;64:418-24.

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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