Human Kallikrein 3/PSA Antibody

Catalog # Availability Size / Price Qty
MAB13443-100
MAB13443-SP
Detection of Human Kallikrein 3/PSA by Western Blot.
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Human Kallikrein 3/PSA Antibody Summary

Species Reactivity
Human
Specificity
Detects human Kallikrein 3/PSA in direct ELISAs.
Source
Monoclonal Mouse IgG2A Clone # 989729
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Kallikrein 3/PSA
Pro19-Pro261
Accession # P07288
Formulation
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below
Immunohistochemistry
5-25 µg/mL
See below
Immunocytochemistry
5-25 µg/mL
See below

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

Western Blot Detection of Human Kallikrein 3/PSA antibody by Western Blot. View Larger

Detection of Human Kallikrein 3/PSA by Western Blot. Western blot shows lysates of human prostate tissue, human prostate cancer tissue, and DU145 human prostate carcinoma cell line (negative control). PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Kallikrein 3/PSA Monoclonal Antibody (Catalog # MAB13443) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for Kallikrein 3/PSA at approximately 29 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Immunocytochemistry Kallikrein 3/PSA antibody in LNCaP Human Cell Line by Immunocytochemistry (ICC). View Larger

Kallikrein 3/PSA in LNCaP Human Cell Line. Kallikrein 3/PSA was detected in immersion fixed LNCaP human prostate cancer cell line using Mouse Anti-Human Kallikrein 3/PSA Monoclonal Antibody (Catalog # MAB13443) at 25 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. 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 # MAB13443) 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

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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Shipping
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, commonly known as prostate specific antigen (PSA), is a serine protease of the human tissue Kallikrein gene family (1). PSA is synthesized in the ductal and acinar epithelium of the prostate gland and secreted into the seminal plasma in high concentrations (0.5-2 g/L) (2). A small portion of PSA “leaks” into the systemic circulation, the levels of which increase significantly (30-fold) from prostate cancer tissue than normal prostate tissue (3). PSA has become a well established tumor marker that aids the diagnosis, staging, and follow up of prostate cancer. The deduced amino acid sequence of human PSA consists of a signal peptide, a short pro region and a mature/active enzyme. The pro-enzyme is activated, possibly by active Kallikreins 2, 4 or 15 in vivo (4). Recombinant human PSA is activated by thermolysin, a zinc protease. The active PSA cleaves several tyrosyl peptide bonds in semenogelins I and II, which are the major gel-forming proteins produced by the seminal vesicles (5). Several inhibitors including serpin A3/ alpha 1-antichymotrypsin (ACT) and alpha 2-macroglobulin are known to form complexes with PSA.

References
  1. Yousef, G.M. and E.P. Diamandis (2001) Endocrine Rev. 22:184.
  2. Ward, A.M. et al. (2001) Ann. Clin. Biochem. 38:633.
  3. Jain, S. et al. (2002) Postgrad. Med. J. 78:646.
  4. Lilja H. (2003) Urology 62:270.
  5. Takayama, T.K. et al. (1997) J. Biol. Chem. 272:21582.
Entrez Gene IDs
354 (Human)
Alternate Names
APS seminin; EC 3.4.21; EC 3.4.21.77; 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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Human Kallikrein 3/PSA Antibody
By Anonymous on 06/19/2022
Application: ICC/IF Sample Tested: LNCaP human prostate cancer cell line Species: Human