Human Kallikrein 3/PSA Antibody

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Kallikrein 3/PSA in LNCaP and MCF-7 Human Cell Lines.
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Product Details
Citations (1)
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Human Kallikrein 3/PSA Antibody Summary

Species Reactivity
Detects human Kallikrein 3/PSA in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human (rh) Factor X, rhHGF-A, rhKLK-4, -5, -8, -11, or rhThrombin is observed.
Monoclonal Mouse IgG2B Clone # 181827
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0-derived recombinant human Kallikrein 3/PSA
Accession # NP_001639
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
5-25 µg/mL
See below
8-25 µg/mL
See below
Measured by its ability to neutralize Recombinant Human Kallikrein 3/PSA (10 µg/mL, Catalog # 1344-SE) cleavage of the fluorogenic peptide substrate Suc-RPY-pNA (1 mM). The Neutralization Dose (ND50) is typically 21 µg/mL.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Immunocytochemistry Kallikrein 3/PSA antibody in LNCaP and MCF-7 Human Cell Lines by Immunocytochemistry (ICC). View Larger

Kallikrein 3/PSA in LNCaP and MCF-7 Human Cell Lines. Kallikrein 3/PSA was detected in immersion fixed LNCaP human prostate cancer cell line (positive control, left panel) and MCF-7 human breast cancer cell line (negative control, right panel) using Mouse Anti-Human Kallikrein 3/PSA Monoclonal Antibody (Catalog # MAB13441) at 8 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm in LNCaP cells. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Immunohistochemistry Kallikrein 3/PSA antibody in Human Prostate by Immunohistochemistry (IHC-P). View Larger

Kallikrein 3/PSA in Human Prostate. Kallikrein 3/PSA was detected in immersion fixed paraffin-embedded sections of human prostate using Mouse Anti-Human Kallikrein 3/PSA Monoclonal Antibody (Catalog # MAB13441) at 5 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm in epithelial cells. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Kallikrein 3/PSA

Kallikrein 3 is a member of the Kallikrein family of serine proteases. It is also known as PSA (prostate-specific antigen) and is used in prostate cancer diagnosis.

Entrez Gene IDs
354 (Human)
Alternate Names
APS seminin; EC 3.4.21; EC; Gamma-seminoprotein; hK3; Kallikrein 3; kallikrein 3, (prostate specific antigen); Kallikrein-3; kallikrein-related peptidase 3; KLK2A1; KLK3; P-30 antigen; prostate specific antigen; prostate-specific antigen; PSA semenogelase; PSA; Semenogelase; Seminin

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Citation for Human Kallikrein 3/PSA Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Transient induction of ING4 by Myc drives prostate epithelial cell differentiation and its disruption drives prostate tumorigenesis.
    Authors: Berger P, Frank S, Schulz V, Nollet E, Edick M, Holly B, Chang T, Hostetter G, Kim S, Miranti C
    Cancer Res, 2014-04-24;74(12):3357-68.
    Species: Human
    Sample Types: Whole Cells
    Applications: IHC


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