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Radiationsignatureonexposedcells:Relevanceindoseestimation

WorldJournalofRadiology 页数: 13 2015-09-28
摘要: Theradiationisconsideredasadoubleedgedsword,asitsbeneficialanddetrimentaleffectshavebeendemonstrated.Thepotentialbenefitsarebeingexploitedtoitsmaximumbyadoptingsafehandlingofradionuclidestipulatedbytheregulatoryagencies.Whiletheoccupationalworkersaremonitoredbypersonnelmonitoringdevices,forgeneralpublics,itisnotaregularpractice.However,itcanbeachievedbyusingbiomarkerswithapotentialfortheradiationtriageandmedicalmanagement.Anidealbiomarkertoadoptinthosesituationsshouldberapid,specific,sensitive,reproducible,andabletocategorizethenatureofexposureandcouldprovideareliabledoseestimationirrespectiveofthetimeoftheexposures.Sincecytogeneticmarkersshowntohavemanyadvantagesrelativelythanothermarkers,theoriginsofvariouschromosomalabnormalitiesinducedbyionizingradiationsalongwithdose-responsecurvesgeneratedinthelaboratoryarepresented.Currentstatusofthegoldstandarddicentricchromosomeassay,micronucleusassay,translocationmeasurementbyfluorescenceinsituhybridizationandanemergingproteinmarkertheg-H2AXassayarediscussedwithourlaboratorydata.Withthewidechoiceofmethods,anappropriateassaycanbeemployedbasedonthenet. ... (共13页)

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