This story is part of a larger series on viroids and virusoids, small infectious RNAs. It is also the third installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious ...

A research team at the Nano Life Science Institute (WPI-NanoLSI) and the Faculty of Medicine at Kanazawa University has ...

Researchers found that T cells recognize neoself-antigens -- abnormal, unfolded host proteins presented by major histocompatibility complex II (MHC-II) lacking the invariant chain -- as non-self ...

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 ...

The human body’s defensive lineup is impressive—from made-to-order antibodies to natural-born killers. Here’s how it wards off sickness in every season. When pathogens invade our bodies—in the form of ...

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 ...

Summary of the research: This study revealed that T cells can discriminate between self- and neoself- antigens, and that neoself-reactive T cells are involved in causing autoimmune diseases. Osaka, ...