Impact of next-generation sequencing on molecular diagnosis of inherited non-syndromic hearing loss

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摘要 Hearinglossisoneofthemostcommonbirthdefects,withinheritedgeneticdefectsplayanimportantrole,contributingtoabout60%ofdeafnessoccurringininfants.However,hearingimpairmentisgeneticallyheterogeneous,withbothcommonandrareformsoccurringduetomutationsinestimated500genes.Duetothelargenumberandpresumablylowmutationfrequenciesofthosegenes,itwouldbehighlyexpensiveandtime-consumingtoaddressthisissuebyconventionalgene-by-geneSangersequencing.Next-generationsequencingisarevolutionarytechnologythatallowsthesimultaneousscreeningofmutationsinalargenumberofgenes.Itiscosteffectivecomparedtoclassicalstrategiesoflinkageanalysisanddirectsequencingwhenthenumberorsizeofgenesislarge,andthushasbecomeahighlyefficientstrategyforidentifyingnovelcausativegenesandmutationsinvolvedinheritabledisease.Inthisreview,wedescribemajorNGSmethodologiescurrentlyusedforgeneticdisordersandhighlightapplicationsofthesetechnologiesinstudiesofmoleculardiagnosisandthediscoveryofgenesimplicatedinnon-syndromichearingloss.
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出版日期 2014年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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