Validation of the use of a commercially available kit for the identification of prostate specific antigen (PSA) in semen stains.

Abstract:

:PSA is currently being used to detect and monitor quantitatively the development of prostate cancer by serum levels of PSA and has also been found to be present in high concentrations in semen. Elegantly simple, sensitive, and reproducible methods have been developed for analysis of the presence of PSA, including the Tandem-E PSA Immunoenzymetric Assay. The most common procedures for the forensic identification of semen have focused on the microscopic detection of sperm, acid phosphatase activity, and immunoelectrophoretic methods for the detection of PSA. Although these methods have been used for many years, there are problems associated with each method. The Tandem-E PSA Immunoenzymetric Assay detected PSA in 100% of the forensic casework fabric samples, 80% of the forensic casework vaginal swabs and 100% of the vasectomized individuals tested. The cut-off value was determined to be 1.77 ng/mL. These results indicate that this method can be used to identify the presence of semen in forensically significant specimens.

journal_name

J Forensic Sci

authors

Simich JP,Morris SL,Klick RL,Rittenhouse-Diakun K

keywords:

subject

Has Abstract

pub_date

1999-11-01 00:00:00

pages

1229-31

issue

6

eissn

0022-1198

issn

1556-4029

journal_volume

44

pub_type

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