PMID- 10940683 OWN - NLM STAT- MEDLINE DCOM- 20000921 LR - 20220410 IS - 0012-2823 (Print) IS - 0012-2823 (Linking) VI - 62 Suppl 1 DP - 2000 TI - Biological and molecular aspects of gastroenteropancreatic neuroendocrine tumors. PG - 19-26 AB - Neuroendocrine tumors of the digestive tract are rare entities characterized by significant phenotype differences and traditionally considered to originate from cells of the diffuse endocrine system of the pancreas and gut. Two major categories with significant phenotype and clinical behavior differences are identified as well-differentiated and poorly differentiated tumors. Investigation on the molecular basis of tumor development points to an important role for the multiple endocrine neoplasia syndrome type-1 (MEN1) gene because of its frequent abnormality observed both in well-differentiated and poorly differentiated tumors. Other genes are possibly involved, though the available data need support from studies on larger series of tumors. CI - Copyright 2000 S. Karger AG, Basel FAU - Rindi, G AU - Rindi G AD - Department of Pathology, University of Brescia, Spedali Civili, Brescia, Italy. rindi@master.cci.unibs.it FAU - Villanacci, V AU - Villanacci V FAU - Ubiali, A AU - Ubiali A LA - eng PT - Journal Article PT - Review PL - Switzerland TA - Digestion JT - Digestion JID - 0150472 RN - 0 (Biomarkers, Tumor) SB - IM MH - Animals MH - Biomarkers, Tumor/analysis MH - Cell Transformation, Neoplastic/genetics/pathology MH - Gastrointestinal Neoplasms/*genetics/*pathology MH - Genotype MH - Humans MH - Immunohistochemistry/methods MH - Neuroendocrine Tumors/*genetics/*pathology MH - Pancreatic Neoplasms/*genetics/*pathology MH - Phenotype RF - 65 EDAT- 2000/08/15 11:00 MHDA- 2000/09/23 11:01 CRDT- 2000/08/15 11:00 PHST- 2000/08/15 11:00 [pubmed] PHST- 2000/09/23 11:01 [medline] PHST- 2000/08/15 11:00 [entrez] AID - 51851 [pii] AID - 10.1159/000051851 [doi] PST - ppublish SO - Digestion. 2000;62 Suppl 1:19-26. doi: 10.1159/000051851.