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PROSTATE SPECIFIC ANTIGEN (PSA)

The PSA Semi-Quantitative Rapid Test Device (Whole Blood/Serum/Plasma) is a rapid chromatographic immunoassay for semi-quantitative detection of Prostate Specific Antigen (PSA) in human whole blood, serum or plasma.

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The PSA Semi-Quantitative Rapid Test Device (Whole Blood/Serum/Plasma) is a rapid chromatographic immunoassay for semi-quantitative detection of Prostate Specific Antigen (PSA) in human whole blood, serum or plasma. It is intended for use at point of care facilities to measure total prostate specific antigen (tPSA) in human whole blood, serum or plasma. It is for professional in vitro diagnostic use only.

Prostate specific antigen (PSA) is produced by prostate glandular and endothelial cells. It is a single chain glycoprotein with a molecular weight of approximately 34 kDa. (1) PSA exists in three major forms circulating in the serum. These forms are free PSA, PSA bound to α1–Antichymotrypsin (PSA-ACT) and PSA complexed with α2–macroglobulin (PSA-MG). (2) PSA has been detected in various tissues of the male urogenital system but only prostate glandular cells and endothelial cells secrete it. The PSA level in the serum of healthy men is between 0.1 ng/mL and 2.6 ng/mL. It can be elevated in malignant conditions such as prostate cancer, and in benign conditions such as benign prostatic hyperplasia and prostatitis.

 

A PSA level of 4 to 10 ng/mL is considered to be in the “gray-zone” and above 10 ng/mL is highly indicative of cancer. (3) Patients with PSA values between 4 – 10 ng/mL should undergo further analysis of the prostate by biopsy. Authorities have begun to explore the possibility of using PSA levels lower than 4.0 ng/mL as the upper limit of normal for screening examinations. By lowering the PSA cutoff from 4 to 3 ng/mL, an increase in cancer detection by 13.2% can be achieved. (4) The prostate specific antigen test is the most valuable tool available for the diagnosis of early prostate cancer. Many studies have confirmed that the presence of PSA is the most useful and meaningful tumor marker known for prostate cancer and prostate infection of Benign Prostatic Hyperplasia (BPH).

 

Features

  • Triple band result to aid in identifying various concentrations

  • Semi-quantitative analysis of human prostate specific antigen (PSA)

  • Internal control included

  • Reagents included

  • Room temperature storage or refrigerated (2-30⁰C)

Specifications

  • Cut-off: 4 ng/mL to 10 ng/mL

  • Specimen: Whole Blood, Serum, Plasma

  • Time to Results: 10 minutes

  • Shelf Life: 24 months from the date of manufacture

Ordering Information

ITEM CODE
DESCRIPTION
FORMAT
SPECIMEN
UOM
GEPSA-302a
Prostate Specific Antigen
Cassette
Serum/Plasma
25 Tests/Kit
GEPSA-402a
Prostate Specific Antigen
Cassette
Whole Blood/ Serum/Plasma
25 Tests/Kit
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