PMID- 17766710 OWN - NLM STAT- MEDLINE DCOM- 20071119 LR - 20220408 IS - 0804-4643 (Print) IS - 0804-4643 (Linking) VI - 157 IP - 3 DP - 2007 Sep TI - Multiple endocrine neoplasia type 1 in Northern Finland; clinical features and genotype phenotype correlation. PG - 285-94 AB - OBJECTIVE: The existence of genotype-phenotype correlation in multiple endocrine neoplasia type 1 (MEN1) is controversial. Two founder mutations of the MEN1 gene in Northern Finland gave us an opportunity to compare clinical features among heterozygotes of different mutations. DESIGN AND METHODS: Study cohort included 82 MEN1 heterozygotes who were tested for MEN1 during the years 1982-2001. Medical records were reviewed for manifestations of MEN1, other tumours and cause of death by the end of August 2003. Logistic regression analysis was used in evaluating the impact of age, gender and mutational status of affected heterozygotes on the likelihood of developing manifestations of MEN1. RESULTS: Founder mutations 1466del12 and 1657insC were found in 39 and 29 individuals, and D418N, G156R and R527X mutations in 9, 3 and 2 individuals respectively. Except for pituitary adenoma and nonfunctional pancreatic tumour (NFPT), age was a risk factor for all the disease manifestations. For NFPT, frameshift/nonsense mutations (1657insC, R527X) gave an odds ratio (OR) of 3.26 (95% confidence intervals (CI), 1.27-8.33; P = 0.014) compared with in-frame/missense mutations (1466del12, D418N, G156R); including the founder mutation carriers (n = 68) only, the 1657insC mutation gave an OR of 3.56 (CI, 1.29-9.83; P = 0.015). For gastrinoma, in-frame/missense mutations predicted the risk with an OR of 6.77 (CI, 1.31-35.0; P = 0.022), and in the founder mutations group the 1466del12 mutation gave an OR of 15.09 (CI, 1.73-131.9, P = 0.014). CONCLUSIONS: In this study population, NFPT was more common in the frameshift/nonsense or 1657insC mutation carriers, whereas gastrinoma was more common in the in-frame/missense or 1466del12 mutation carriers. FAU - Vierimaa, O AU - Vierimaa O AD - Department of Clinical Genetics, Oulu University Hospital, PB 24, FIN-90029, Oys, Oulu, Finland. outi.vierimaa@oulu.fi FAU - Ebeling, T M L AU - Ebeling TM FAU - Kytola, S AU - Kytola S FAU - Bloigu, R AU - Bloigu R FAU - Eloranta, E AU - Eloranta E FAU - Salmi, J AU - Salmi J FAU - Korpi-Hyovalti, E AU - Korpi-Hyovalti E FAU - Niskanen, L AU - Niskanen L FAU - Orvola, A AU - Orvola A FAU - Elovaara, E AU - Elovaara E FAU - Gynther, A AU - Gynther A FAU - Sane, T AU - Sane T FAU - Valimaki, M AU - Valimaki M FAU - Ignatius, J AU - Ignatius J FAU - Leisti, J AU - Leisti J FAU - Salmela, P I AU - Salmela PI LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - England TA - Eur J Endocrinol JT - European journal of endocrinology JID - 9423848 RN - 0 (Codon, Nonsense) RN - 0 (MEN1 protein, human) RN - 0 (Proto-Oncogene Proteins) SB - IM MH - Adolescent MH - Adrenal Gland Neoplasms/genetics/mortality MH - Adult MH - Aged MH - Carcinoma, Neuroendocrine/genetics/mortality MH - Child MH - Codon, Nonsense MH - Female MH - Finland/epidemiology MH - Founder Effect MH - Frameshift Mutation MH - Gastrointestinal Neoplasms/genetics/mortality MH - Genotype MH - Humans MH - Hyperparathyroidism, Primary/genetics/mortality MH - Male MH - Middle Aged MH - Multiple Endocrine Neoplasia Type 1/*genetics/*mortality MH - Mutation, Missense MH - Pancreatic Neoplasms/genetics/mortality MH - Phenotype MH - Pituitary Neoplasms/genetics/mortality MH - Proto-Oncogene Proteins/*genetics MH - Risk Factors EDAT- 2007/09/04 09:00 MHDA- 2007/12/06 09:00 CRDT- 2007/09/04 09:00 PHST- 2007/09/04 09:00 [pubmed] PHST- 2007/12/06 09:00 [medline] PHST- 2007/09/04 09:00 [entrez] AID - 157/3/285 [pii] AID - 10.1530/EJE-07-0195 [doi] PST - ppublish SO - Eur J Endocrinol. 2007 Sep;157(3):285-94. doi: 10.1530/EJE-07-0195.