stoolantigens
Stool antigens are substances found in fecal matter that can be indicative of various biological processes or the presence of specific organisms. These antigens can originate from the host's own body, such as from the gastrointestinal tract lining, or from microorganisms that inhabit the gut. Analyzing stool antigens is a common diagnostic tool in medicine. For instance, antigens produced by pathogens like bacteria or viruses can signal an infection, aiding in the identification of the causative agent and guiding treatment decisions. Fecal occult blood tests detect antigens from hemoglobin, which can indicate bleeding in the gastrointestinal tract, a potential sign of ulcers, polyps, or cancer. Certain inflammatory bowel diseases also release specific antigens into the stool that can be used for diagnosis and monitoring. The detection methods for stool antigens typically involve immunological assays, such as ELISA or rapid immunochromatographic tests, which are designed to bind specifically to the target antigen. These tests are generally non-invasive and are valuable for screening and diagnostic purposes, offering a convenient way to assess the health of the digestive system.