PMID- 19098870 OWN - NLM STAT- MEDLINE DCOM- 20090224 LR - 20081222 IS - 1572-0241 (Electronic) IS - 0002-9270 (Linking) VI - 104 IP - 1 DP - 2009 Jan TI - HLA and autoimmune digestive disease: a clinically oriented review for gastroenterologists. PG - 195-217; quiz 194, 218 LID - 10.1038/ajg.2008.10 [doi] AB - OBJECTIVES: The human leukocyte antigen (HLA) system includes genes involved in graft-vs-host rejection and in immune response. The discovery that HLAs are associated with several diseases led to appealing developments both in basic biomedical research and in clinical medicine, and offered the opportunity to improve the understanding of pathogenesis and classification of diseases, as well as to provide diagnostic and prognostic indicators. The aim of this article is to review the association between HLA alleles and autoimmune digestive disease and its current relationship with modern HLA nomenclature and clinical practice. METHODS: Articles dealing with the association between HLAs and autoimmune digestive disease (including celiac disease, inflammatory bowel disease, autoimmune hepatitis, sclerosing cholangitis and primary biliary cirrhosis) were searched for using Pubmed and SCOPUS databases from earliest records to January 2008. RESULTS: The review has provided two sections. In the first, we explain the basic principles of HLA structure, function, and nomenclature, as an introduction to the second section, which describes current associations between HLA alleles and digestive diseases. The clinical implications of each HLA association are critically discussed. Actually, a clinical role for HLA typing is suggested for only a few conditions, e.g., celiac disease. CONCLUSIONS: The knowledge of current HLA nomenclature and of its association with some digestive diseases such as celiac disease can be useful in clinical practice for diagnostic and prognostic purposes. This can avoid improper HLA typing as well as stressing the need for further studies on other possible clinical applications. FAU - Cassinotti, Andrea AU - Cassinotti A AD - Department of Clinical Science, Division of Gastroenterology, L. Sacco University Hospital, via G.B.Grassi 74, Milan, Italy. andreacassinotti@libero.it FAU - Birindelli, Sarah AU - Birindelli S FAU - Clerici, Mario AU - Clerici M FAU - Trabattoni, Daria AU - Trabattoni D FAU - Lazzaroni, Marco AU - Lazzaroni M FAU - Ardizzone, Sandro AU - Ardizzone S FAU - Colombo, Riccardo AU - Colombo R FAU - Rossi, Edoardo AU - Rossi E FAU - Porro, Gabriele Bianchi AU - Porro GB LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Review PL - United States TA - Am J Gastroenterol JT - The American journal of gastroenterology JID - 0421030 RN - 0 (HLA Antigens) SB - IM MH - Autoimmune Diseases/genetics/*immunology MH - Celiac Disease/genetics/immunology MH - Cholangitis, Sclerosing/genetics/immunology MH - Digestive System Diseases/genetics/*immunology MH - Genetic Predisposition to Disease MH - *HLA Antigens/genetics/immunology MH - Hepatitis, Autoimmune/genetics/immunology MH - Humans MH - Inflammatory Bowel Diseases/genetics/immunology MH - Liver Cirrhosis, Biliary/genetics/immunology RF - 270 EDAT- 2008/12/23 09:00 MHDA- 2009/02/25 09:00 CRDT- 2008/12/23 09:00 PHST- 2008/12/23 09:00 [entrez] PHST- 2008/12/23 09:00 [pubmed] PHST- 2009/02/25 09:00 [medline] AID - ajg200810 [pii] AID - 10.1038/ajg.2008.10 [doi] PST - ppublish SO - Am J Gastroenterol. 2009 Jan;104(1):195-217; quiz 194, 218. doi: 10.1038/ajg.2008.10.