The area of gastrointestinal disorders is currently the focus of a large amount of sophisticated research. This volume brings fully up to date the most recent scientific and clinical advances in gastrointestinal and liver immunology. An international team of authorities has summarized basic scientific advances in the area of the gut immune system and the immune abnormalities relevant to gastrointestinal and liver disease. It includes the latest developments in relation to organ transplantation of the liver and gut, HIV infection of the gut, and the recently discovered disease H. pylori gastritis. Disorders of autoimmunity are focused on as well as immunodeficency. A feature of the volume is to highlight the relevance of such scientific advances to the clinical management of patients with immune gut and liver disorders. The volume will be an essential source of reference for all scientists interested in mucosal immunology, for clinical immunologists, gastroenterologists and hepatologists, transplant surgeons, and pediatricians.