| Reactivity | HuSpecies Glossary |
| Applications | WB, ELISA(Det) |
| Clonality | Polyclonal |
| Host | Goat |
| Conjugate | Biotin |
| Concentration | LYOPH |
| Immunogen | Mouse myeloma cell line NS0-derived recombinant human Kallikrein 3 (R&D Systems, Catalog # 1344-SE) Ala18-Pro261 Accession # P07288 |
| Specificity | Detects human KLK3 in ELISAs and Western blots. In sandwich immunoassays, less than 0.5% cross-reactivity with recombinant human (rh) KLK‑1 and rhKLK‑2 is observed. |
| Source | N/A |
| Isotype | IgG |
| Clonality | Polyclonal |
| Host | Goat |
| Gene | KLK3 |
| Purity Statement | Antigen Affinity-purified |
| Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
| Dilutions |
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| Application Notes | ELISA Capture:Human Kallikrein 3/PSA Antibody (Catalog # MAB13442) ELISA Detection: Human Kallikrein 3/PSA Biotinylated Antibody (Catalog # BAF1344) Standard: Recombinant Human Kallikrein 3/PSA (Catalog # 1344-SE) |
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| Readout System | ||
| Publications |
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| Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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| Buffer | Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. |
| Preservative | No Preservative |
| Concentration | LYOPH |
| Reconstitution Instructions | Reconstitute at 0.2 mg/mL in sterile PBS. |
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). rhPSA 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.
![Kallikrein 3/PSA Antibody [Biotin]](/sites/all/modules/enterprise-tech/et_datasheets/images/novus_guarantee.png "Kallikrein 3/PSA Antibody [Biotin]")
Secondary Antibodies |
Isotype Controls |
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