2024:ISPD对基因组测序在产前诊断中的应用的立场声明状.docx
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1、2024:ISPD对基因组测序在产前诊断中的应用的立场声明多种产前基因组测序技术汇总本立场声明对7种基因测序技术的测序范围、测序深度、分析范围、优缺点进行了汇总。全外显子组测序(WES)是应用于产前临床实践及科研的主要技术方法,全基因组测序(WGS)目前仍主要应用于科研。建议咨询者要充分认识这些技术之间的差异,针对不同的病情,选择使用适当的检测及分析方法。TABLE1SummaryofsequencingJpproachesMethodWhM te Mquenced?WhM analyzed?Depth AdvanOceComment(Whole) 9en0me ,”为 of 3 MIton
2、bp (intron *95% Ot 3 biHion bp (intron&. 30-40 X ComprebemAve: NC fnone dMa:eon novodit)More VUS/GUS: pcnuble more SFAF: Ree*c fCipture (w4oie) Exom and IUnking intronWQume of -20000 enr (15% of Ienome)Exom and Canking intron MQUenC o* -20.000 gw5 (tS% of fenome)DisiUI (WbCM*omDvtaO pretuui phenotyp
3、e P*wPoeentUI for SV. CNV.Mecticn*W0 Ai MQuenceM4e enom analyzedlimited dU on SVtnd NC V irterpreatBondHeMe auocMtkNX expensive; lower coverageO COdrlg MQUenCe. not M genetMunv cpturd; more rhk forQVUSu SFJF than ciMcMPrtAMaI phenotype and phenotype- dren paneh.Acceptable clinkj option with MDT eape
4、 ifwomentof 3 Mlion bp Ontronsk Exons and flanki IeQUenCe 30-40 X Ae Mquencejbie exom JiMlyzcd; e Same m above; tower COMVrafe than Re5erc Criffxxm. nonodn)of -20j0 (IM of scfxxne)JdJpcaUe JrwMK pli if rww gene diKOverYcMur hMc) *WEXore and HCine Eron Exom and flanking intron WQumt of -4000 ftrm seq
5、uence of -1300 fnICO X Comprebemxve for known genes wit prtruul phcnotet; lower rk IOf GUS/VUS than WhoteZdinT xome Nh cowrite may indude method for CNV detection; reaw*ytH SB not detected Infrequent IFSOniy coding equence of ICnOMm genes Acceptable CliniCJI optiontof recMJi henoyt not * genes equal
6、ly cjpturescigeneGUS/VUSthanwho*edinkalgenesequahfcjtured:regularifwoKememPMwIprnaulxomrhigherWtf、PJnHupdtrquirdmyincludemethodforCNVMtction;fa*brHposib*t.SFsnotdetected.InfrequentIFsClinicj(MedkjExomandIUrnintronExomandfhnktcintron*100KncmwifaeeCenes:includesCMycodun.of*4000ftrmMQuence0*4000SHCchil
7、dhooddhordrsw/opfnjUidH*teenMgwwguiwithMOTSCPfrtCJpeUrrPbenohprlowerMforGUSthancaptured:morertekforGUS/WSirwofcmentwoieeome,highercweXdSFFthanPrmMXphenotypeandpbenoype-lvenpanete;CJnbecomeoutdatedwithrwwdHMgenedhcovtrGenePandExcmandfljnkingntmExomandflankingintron-100XKnowngeneforspecificsyndrom/OrC
8、odECMquencesofknowngenesNotprerred.IxXcaptureMqUWofwtoKXriofWqUenc.OtfwtoOrtJnpno(yprlowerrKktorIOfHMCihCPtWnotVpt.5becomeMePUbieOQuCnUCeneSXXTsofgermGUS/VUSthanwho*edenkAlmoreQdChfOUtdXedwithnewCMOmenotavaM4eprnM*eaomrhighercow*4rd*Megewdrtcowv:P*HmyincludemethodforCNVmu3r(MSnedbMedonPOStnauldetect
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