An antigen is any substance that can trigger an immune response in the body. Antigens are typically proteins or polysaccharides that are recognized as foreign or potentially harmful by the immune ...

Researchers at Children's Hospital of Philadelphia (CHOP) have identified variants of a chaperone molecule that optimizes the binding and presentation of foreign antigens across the human population, ...

Our immune system is always on alert, detecting and eliminating pathogens and cancer cells. Cellular control mechanisms cause diseased cells to present antigens on their surface like signs for the ...

Hepatitis B is a viral infection that impacts the liver. To test for hepatitis B, a doctor can perform a blood test that detects hepatitis B surface antigens. A positive result indicates a hepatitis B ...

Immunohistochemistry uses antibodies to test tissue samples for specific types of antigens. It can often provide very specific results regarding cancer types or other diseases, helping doctors decide ...

Antibodies are key components of the immune system. They act as the body’s defense system against invading pathogens such as bacteria and viruses. Basically, antibodies are proteins that are formed by ...

Several genes with varying inheritance patterns are involved in determining your blood type. The most significant gene is the ABO gene which determines your ABO blood type. Like many of your physical ...