{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360004237526833792.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1371/journal.pone.0070291"}},{"identifier":{"@type":"URI","@value":"http://dx.plos.org/10.1371/journal.pone.0070291"}},{"identifier":{"@type":"PMID","@value":"23894635"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"A Framework for Analysis of Abortive Colony Size Distributions Using a Model of Branching Processes in Irradiated Normal Human Fibroblasts"}],"description":[{"notation":[{"@value":"Clonogenicity gives important information about the cellular reproductive potential following ionizing irradiation, but an abortive colony that fails to continue to grow remains poorly characterized. It was recently reported that the fraction of abortive colonies increases with increasing dose. Thus, we set out to investigate the production kinetics of abortive colonies using a model of branching processes.We firstly plotted the experimentally determined colony size distribution of abortive colonies in irradiated normal human fibroblasts, and found the linear relationship on the log-linear or log-log plot. By applying the simple model of branching processes to the linear relationship, we found the persistent reproductive cell death (RCD) over several generations following irradiation. To verify the estimated probability of RCD, abortive colony size distribution (≤ 15 cells) and the surviving fraction were simulated by the Monte Carlo computational approach for colony expansion. Parameters estimated from the log-log fit demonstrated the good performance in both simulations than those from the log-linear fit. Radiation-induced RCD, i.e. excess probability, lasted over 16 generations and mainly consisted of two components in the early (3 generations) and late phases. Intriguingly, the survival curve was sensitive to the excess probability over 5 generations, whereas abortive colony size distribution was robust against it. These results suggest that, whereas short-term RCD is critical to the abortive colony size distribution, long-lasting RCD is important for the dose response of the surviving fraction.Our present model provides a single framework for understanding the behavior of primary cell colonies in culture following irradiation."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004237526833798","@type":"Researcher","foaf:name":[{"@value":"Tetsuya Sakashita"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004237526833923","@type":"Researcher","foaf:name":[{"@value":"Nobuyuki Hamada"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004237526833795","@type":"Researcher","foaf:name":[{"@value":"Isao Kawaguchi"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004237526834055","@type":"Researcher","foaf:name":[{"@value":"Noriyuki B. Ouchi"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751143073792","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70464542"},{"@type":"NRID","@value":"1000070464542"},{"@type":"NRID","@value":"9000364837390"},{"@type":"NRID","@value":"9000016389962"},{"@type":"NRID","@value":"9000021269558"},{"@type":"NRID","@value":"9000261694940"},{"@type":"NRID","@value":"9000391986295"},{"@type":"NRID","@value":"9000018670589"},{"@type":"NRID","@value":"9000391978452"},{"@type":"NRID","@value":"9000391986936"},{"@type":"NRID","@value":"9000391978566"},{"@type":"NRID","@value":"9000391978106"},{"@type":"NRID","@value":"9000391986142"},{"@type":"NRID","@value":"9000046234492"},{"@type":"NRID","@value":"9000011051535"},{"@type":"NRID","@value":"9000402045682"},{"@type":"NRID","@value":"9000391980563"},{"@type":"NRID","@value":"9000391980342"},{"@type":"NRID","@value":"9000391979216"},{"@type":"NRID","@value":"9000391981494"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0144570"}],"foaf:name":[{"@value":"Takamitsu Hara"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004237526833925","@type":"Researcher","foaf:name":[{"@value":"Yasuhiko Kobayashi"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004237526833927","@type":"Researcher","foaf:name":[{"@value":"Kimiaki Saito"}]}],"contributor":[{"@id":"https://cir.nii.ac.jp/crid/1380004237526834052","@type":"Researcher","foaf:name":[{"@value":"Sergio Gómez"}],"role":"editor"}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"19326203"}],"prism:publicationName":[{"@value":"PLoS ONE"}],"dc:publisher":[{"@value":"Public Library of Science (PLoS)"}],"prism:publicationDate":"2013-07-23","prism:volume":"8","prism:number":"7","prism:startingPage":"e70291"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://creativecommons.org/licenses/by/4.0/"],"url":[{"@id":"http://dx.plos.org/10.1371/journal.pone.0070291"}],"createdAt":"2013-07-24","modifiedAt":"2020-05-09","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Cell%20Survival","dc:title":"Cell Survival"},{"@id":"https://cir.nii.ac.jp/all?q=Science","dc:title":"Science"},{"@id":"https://cir.nii.ac.jp/all?q=Models,%20Biological","dc:title":"Models, Biological"},{"@id":"https://cir.nii.ac.jp/all?q=Cell%20Line","dc:title":"Cell Line"},{"@id":"https://cir.nii.ac.jp/all?q=Humans","dc:title":"Humans"},{"@id":"https://cir.nii.ac.jp/all?q=Cell%20Lineage","dc:title":"Cell Lineage"},{"@id":"https://cir.nii.ac.jp/all?q=Computer%20Simulation","dc:title":"Computer 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