knowing the epitope specificities of our monoclonal antibodies ( mca ) to human choriogonadotropin ( hcg ) , we could design three classes of two-site immunoradiometric assays ( irma ) : a combination of two mca recognizing two separate alpha-epitopes ( alpha-mca ) provides a system ( i.e. , an alpha-irma ) that measures holo-hcg plus free alpha-subunits plus follitropin , lutropin , and thyrotropin , whereas a beta-irma , consisting of two beta-mca , quantifies holo-hcg plus free beta-subunits .
C1141639
human
C0106132
hcg