PSG1 Proteins and Enzymes

Pregnancy-specific beta-1 glycoprotein 1 (PSG1) is also known as SP1, PSbG1, or B1G1, and is designated CD66f. PSGs are part of the carcinoembryonic antigen (CEA) family and serve as early biochemical markers of syncytiotrophoblast formation. PSGs, which are produced by syncytial cells in the placenta, are detectable in the maternal plasma as early...