Li-Fraumeni Syndrome | li-fraumeni syndrome

Li-Fraumeni syndrome (LFS) is a classic cancer predisposition disorder that is commonly associated with germline mutations of the p53 tumor suppressor gene.NCBISkiptomaincontentSkiptonavigationResourcesHowToAboutNCBIAccesskeysMyNCBISignintoNCBISignOutJournalListGenesCancerv.2(4);2011AprPMC3135649GenesCancer.2011Apr;2(4):475–484.doi: 10.1177/1947601911413466PMCID:PMC3135649PMID:21779515Li-FraumeniSyndromeMonographsEditor:ArnoldJ.LevineDavidMalkinAuthorinformationCopyrightandLicenseinformationDisclaimerDivisionofHematology/Oncology,DepartmentofPediatrics,TheHospitalforSickChildren,Toronto,ON,CanadaDavidMalkin,DivisionofHematology/Oncology,DepartmentofPediatrics,TheHospitalforSickChildren,555UniversityAvenue,Toronto,ON,CanadaM5G1X8Email:[email protected]©TheAuthor(s)2011ThisarticlehasbeencitedbyotherarticlesinPMC.Li-Fraumenisyndrome(LFS)isaclassiccancerpredispositiondisorderthatiscommonlyassociatedwithgermlinemutationsofthep53tumorsuppressorgene.Examinationofthewidespectrumofadult-onsetandchildhoodcancersandthedistributionofp53mutationshasledtoagreaterunderstandingofcancergenotype-phenotypecorrelations.However,thecomplexLFSphenotypeisnotreadilyexplainedbythesimpleidentificationofgermlinep53mutationsinaffectedindividuals.RecentworkhasidentifiedgeneticeventsthatmodifytheLFSphenotype.Theseincludeintragenicpolymorphisms,mutations/polymorphismsofgenesinthep53regulatorypathway,aswellasmoreglobaleventssuchasaberrantcopynumbervariationandtelomereattrition.Thesegeneticeventsmay,inpart,explainthebreadthoftumorhistiotypeswithinandacrossLFSfamilies,theapparentacceleratedageofonsetwithinfamilies,andtherangeofclinicaloutcomesamongaffectedfamilymembers.ThisreviewwillexaminetheclinicalandgeneticdefinitionsofLFSandofferinsightintohowlessonslearnedfromthestudyofthisraredisordermayinformsimilarquestionsinotherfamilialcancersyndromes.Keywords:Li-Fraumenisyndrome,cancerpredisposition,germlinep53mutationsIn1969,aremarkablecancerpredispositionsyndromewasreportedbyLiandFraumen


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