High Thomsen-Friedenreich antigens

When it’s exposed, it can be detected by specific antibodies (like peanut agglutinin), and its presence is linked to disease processes. The Thomsen–Friedenreich antigen (T antigen) — sometimes called the T-antigen or T-disaccharide — is a carbohydrate structure normally hidden on cell surfaces by glycosylation. In healthy tissues, it’s cryptic (masked), but in certain diseases…