Napsin A Antibody (MSVA-112R)

Novus Biologicals | Catalog # NBP3-57195

Recombinant Monoclonal Antibody
Novus Biologicals

Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin

Label

Unconjugated

Antibody Source

Monoclonal Rabbit IgG Clone # MSVA-112R
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Product Specifications

Immunogen

Recombinant human Napsin-A protein fragment (aa189-299) (exact sequence is proprietary) Swissprot O96009

Localization

Cytoplasmic

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Description

This antibody is highly specific and optimized for use in Immunohistochemistry.

It has been validated on TMAs covering 76 normal tissues and numerous cancer tissues.

The antibody concentration is optimized for dilution within dilution range using commercially available antibody diluent for immunohistochemistry.

Positive Control
Postive control:Kidney: an at least moderate granular cytoplasmic staining should be seen in proximal tubule cells.

Negative Control
Negitve control:Colon: staining should be absent in epithelial and other cells of the lamina propria.

Storage
Antibody can be stored at 4degC. For extended storage, aliquot and store at -20degC. Avoid repeated freeze-thaw cycles.

Scientific Data Images for Napsin A Antibody (MSVA-112R)

Napsin A Antibody (MSVA-112R)

Immunohistochemistry-Paraffin:Napsin A Antibody (MSVA-112R)NBP3-57195

Moderate Napsin A immunostaining in proximal tubuli of the kidney
Napsin A Antibody (MSVA-112R)

Immunohistochemistry-Paraffin:Napsin A Antibody (MSVA-112R)NBP3-57195

Adenocarcinoma of the lung with strong expression of Napsin A.
Napsin A Antibody (MSVA-112R)

Immunohistochemistry-Paraffin:Napsin A Antibody (MSVA-112R)NBP3-57195

Normal lung showing strong Napsin A immunostaining of pneumocytes and alveolar macrophages

Applications for Napsin A Antibody (MSVA-112R)

Application
Recommended Usage

Immunohistochemistry-Paraffin

1:100 1:200
Application Notes
Manual Protocol: Freshly cut sections should be used (less than 10 days between cutting and staining). Heat-induced antigen retrieval for 5 minutes in an autoclave at 121C in pH 7,8 Target Retrieval Solution buffer. Apply the antibody at a dilution of 1:150 at 37C for 60 minutes. Visualization of bound antibody by the EnVision Kit (Dako, Agilent) according to the manufacturer's directions.

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

10mM PBS

Preservative

<0.1% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C.

Background: Napsin A

Napsin is a pepsin-like aspartic proteinase, in the A1 clan of the AA clade of proteinases. Other AA family proteinases include Pepsin, cathepsin-D, cathepsin-E and rennin. Of these proteinases, napsin is most closely related to cathepsin-D, sharing 46% identity at the amino acid level. There are two closely related Napsins, napsin A and napsin B, with 85% overall identity at the amino acid level. There are three isoforms. Napsin-A is also termed napsin-1, or TA02, a Tumor Adenocarcinoma marker. Napsin A may be involved in processing of pneumocyte surfactant precursors.

Alternate Names

ASP4, KAP, NAPA, NAPSA, Napsin-1, SNAPA, TA01/TA02

Gene Symbol

NAPSA

Additional Napsin A Products

Product Documents for Napsin A Antibody (MSVA-112R)

Certificate of Analysis

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Product Specific Notices for Napsin A Antibody (MSVA-112R)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Related Research Areas

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Protocols

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