Systemic dissemination in cancer of unknown primary is independent of mutational inactivation of the KiSS-1 metastasis-suppressor gene

dc.contributor.authorDova, L.en
dc.contributor.authorGolfinopoulos, V.en
dc.contributor.authorPentheroudakis, G.en
dc.contributor.authorGeorgiou, I.en
dc.contributor.authorPavlidis, N.en
dc.date.accessioned2015-11-24T19:43:20Z
dc.date.available2015-11-24T19:43:20Z
dc.identifier.issn1219-4956-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/24743
dc.rightsDefault Licence-
dc.subjectAllelesen
dc.subjectBase Sequenceen
dc.subjectCase-Control Studiesen
dc.subjectDNA, Neoplasm/geneticsen
dc.subjectExons/geneticsen
dc.subjectHumansen
dc.subjectKisspeptinsen
dc.subjectMolecular Sequence Dataen
dc.subjectNeoplasms, Unknown Primary/*geneticsen
dc.subjectPolymorphism, Single-Stranded Conformational/*geneticsen
dc.subjectTumor Markers, Biological/*geneticsen
dc.subjectTumor Suppressor Proteins/*geneticsen
dc.titleSystemic dissemination in cancer of unknown primary is independent of mutational inactivation of the KiSS-1 metastasis-suppressor geneen
heal.abstractCancer of unknown primary represents a heterogeneous group of malignancies characterised by early systemic dissemination and lack of primary site. KiSS1 is a member of the metastasis-suppressor gene family whose functional role is being investigated in human malignancies. We extracted DNA from 50 paraffin-embedded unknown primary tumors and screened KiSS1 exons III and IV for presence of mutations by means of Single Strand Conformational Polymorphism and direct sequencing. Only one tumor specimen harboured a cytosine to guanine point substitution in base 242 of exon IVa, resulting in a proline to arginine switch at codon 81 of the KiSS1 protein (P81R). The remaining 49 tumors harbored wild-type KiSS1 alleles, indistinguishable from those of peripheral blood lymphocytes of 50 healthy controls. Consequently, the propensity for systemic spread of unknown primary tumors may by due to mutations in genes other than KiSS1 or aberrant epigenetic regulation.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primary10.1007/s12253-008-9024-1-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/18351443-
heal.identifier.secondaryhttp://www.springerlink.com/content/895427474785p3jp/fulltext.pdf-
heal.journalNamePathol Oncol Resen
heal.journalTypepeer-reviewed-
heal.languageen-
heal.publicationDate2008-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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