PSA / p30
Definition
Prostate-specific antigen, a kallikrein-family serine protease secreted by prostatic epithelium. Present in seminal plasma at 0.5 to 2 mg/mL. The standard confirmatory immunological marker for semen in forensic casework.
Related terms
- ABAcard p30
- A lateral-flow immunochromatographic strip manufactured by Abacus Diagnostics and validated by the Scientific Working Group for DNA Analysis Methods (SWGDAM) for forensic...
- Azoospermia
- The absence of spermatozoa from ejaculated semen, resulting from obstructive causes (vasectomy, ductal blockage) or non-obstructive causes (testicular failure). Azoospermic semen contains...
- Lateral-flow immunochromatographic assay
- A rapid, single-use immunoassay format in which sample extract migrates along a nitrocellulose membrane past a detection zone loaded with antigen-specific antibody...
- RSID-Saliva
- Rapid Stain Identification of Saliva. An immunochromatographic lateral-flow assay using monoclonal antibodies specific to human salivary amylase. More specific than Phadebas, with...
- Salivary alpha-amylase
- An enzyme (EC 3.2.1.1) secreted by the parotid, submandibular, and sublingual glands. Digests starch and is present in saliva at concentrations of...
Explained in
- Immunological Identification of Semen and SalivaProstate-specific antigen, a kallikrein-family serine protease secreted by prostatic epithelium. Present in seminal plasma at 0.5 to 2 mg/mL. The standard conf...