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Familial Mediterranean Fever in Crete: A genetic and structural biological approach in a population of 'intermediate risk'

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dc.contributor.author Fragouli, E en
dc.contributor.author Eliopoulos, E en
dc.contributor.author Petraki, E en
dc.contributor.author Sidiropoulos, P en
dc.contributor.author Aksentijevich, I en
dc.contributor.author Galanakis, E en
dc.contributor.author Kritikos, H en
dc.contributor.author Repa, A en
dc.contributor.author Fragiadakis, G en
dc.contributor.author Boumpas, DT en
dc.contributor.author Goulielmos, GN en
dc.date.accessioned 2014-06-06T06:48:29Z
dc.date.available 2014-06-06T06:48:29Z
dc.date.issued 2008 en
dc.identifier.issn 00099163 en
dc.identifier.uri http://dx.doi.org/10.1111/j.1399-0004.2007.00948.x en
dc.identifier.uri http://62.217.125.90/xmlui/handle/123456789/4166
dc.subject Dimensional model (3D model) en
dc.subject Familial mediterranean fever (FMF) en
dc.subject MEFV en
dc.subject Mutational analysis en
dc.subject Phylogenetic tree en
dc.subject Pyrin en
dc.subject Three en
dc.subject.other cytoskeleton protein en
dc.subject.other interleukin 1beta converting enzyme en
dc.subject.other marenostrin en
dc.subject.other unclassified drug en
dc.subject.other adolescent en
dc.subject.other adult en
dc.subject.other article en
dc.subject.other chemical structure en
dc.subject.other child en
dc.subject.other cohort analysis en
dc.subject.other familial Mediterranean fever en
dc.subject.other female en
dc.subject.other gene frequency en
dc.subject.other genetics en
dc.subject.other Greece en
dc.subject.other human en
dc.subject.other male en
dc.subject.other metabolism en
dc.subject.other middle aged en
dc.subject.other mutation en
dc.subject.other phylogeny en
dc.subject.other Adolescent en
dc.subject.other Adult en
dc.subject.other Caspase 1 en
dc.subject.other Child en
dc.subject.other Cohort Studies en
dc.subject.other Cytoskeletal Proteins en
dc.subject.other Familial Mediterranean Fever en
dc.subject.other Female en
dc.subject.other Gene Frequency en
dc.subject.other Greece en
dc.subject.other Humans en
dc.subject.other Male en
dc.subject.other Middle Aged en
dc.subject.other Models, Molecular en
dc.subject.other Mutation en
dc.subject.other Phylogeny en
dc.title Familial Mediterranean Fever in Crete: A genetic and structural biological approach in a population of 'intermediate risk' en
heal.type journalArticle en
heal.identifier.primary 10.1111/j.1399-0004.2007.00948.x en
heal.publicationDate 2008 en
heal.abstract Familial Mediterranean Fever (FMF) is an autosomal, recessively inherited disease, characterized by recurrent and short attacks of fever with serosal inflammation that are caused by mutations in MEFV gene that encodes pyrin protein. To date, more than 70 disease-associated mutations have been identified, almost all of them representing missense nucleotide changes. FMF is very common among patients with Mediterranean ancestry, although the exact prevalence is not yet known, Greeks are considered to be at 'intermediate risk'. In the present study, we studied FMF patients in natives of Crete, a population sharing a common genetic and cultural background. The spectrum of MEFV gene mutations in 71 patients as well as 158 healthy controls was studied by performing a molecular analysis focused on the 12 most frequent FMF-associated mutations. We found that 59 of 71 (83.1%) FMF patients had at least one MEFV mutation, five patients were homozygotes and 54 heterozygotes for FMF-associated mutations. No mutations were detected in 12 patients (16.9%). As in high-risk populations, common MEFV mutations were found in Cretan FMF patients, with the M694V being the most penetrant. M694V and M694I mutations were associated with severe phenotypes, with many patients presenting with uncommon clinical manifestations such as erysipelas-like erythema or renal disturbances. Of interest, 20 (37%) of our heterozygous FMF patients presented with a severe phenotype. Population genetics analysis showed an FMF carrier frequency in healthy Cretan population of approximately 6% (1:17) and places Cretans closer to the Western rather than Eastern populations of the Mediterranean basin. Finally, we constructed a three-dimensional model showing the interaction of the PRYSPRY domain of pyrin with caspase-1 onto which we mapped MEFV mutations, classified according to disease severity. In this model, the 'flexible loops' of caspase-1 appear to have no access to some positions that have been previously associated with mild disease, suggesting that alternative pathogenic pathways leading to FMF need to be explored. © 2007 The Authors. Journal compilation © 2007 Blackwell Munksgaard. en
heal.journalName Clinical Genetics en
dc.identifier.issue 2 en
dc.identifier.volume 73 en
dc.identifier.doi 10.1111/j.1399-0004.2007.00948.x en
dc.identifier.spage 152 en
dc.identifier.epage 159 en


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