{"@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/1361699993818544768.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.fct.2008.10.031"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0278691508006169?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0278691508006169?httpAccept=text/plain"}},{"identifier":{"@type":"PMID","@value":"19032970"}}],"dc:title":[{"@value":"Induction of kidney and liver cancers by the natural food additive madder color in a two-year rat carcinogenicity study"}],"description":[{"notation":[{"@value":"Madder color (MC) extracted from the roots of Rubia tinctorum (madder root) has been used as a food coloring in Japan. Our previous studies revealed MC to have obvious subchronic and chronic toxicity and potent carcinogenicity targeting rat liver and kidney. In the present two-year carcinogenicity study, conducted to further elucidate the long-term effects of MC and its target organs, male and female F344 rats were fed diet containing 0%, 2.5%, and 5.0% MC for 104 weeks. Body weights were significantly decreased in treated groups of both sexes throughout the feeding period. However, survival rates at week 104 were higher in treated groups of both sexes than in controls. Relative weights of the kidneys and liver were significantly increased in treated groups of both sexes. Histopathologically, karyomegaly and atypical tubules/hyperplasias, as well as renal cell adenomas and carcinomas were significantly increased in treated groups of both sexes with dose-dependence. Moreover, the incidence of hepatocellular adenomas and/or carcinomas was increased significantly with a dose-relation in treated groups of both sexes. These data provide clear evidence that MC exerts unequivocal carcinogenicity against renal tubule cells and hepatocytes in rats."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699993818544769","@type":"Researcher","foaf:name":[{"@value":"Kaoru Inoue"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699993818544897","@type":"Researcher","foaf:name":[{"@value":"Midori Yoshida"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699993818544768","@type":"Researcher","foaf:name":[{"@value":"Miwa Takahashi"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699993818544896","@type":"Researcher","foaf:name":[{"@value":"Makoto Shibutani"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699993818544770","@type":"Researcher","foaf:name":[{"@value":"Hironori Takagi"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699993818544771","@type":"Researcher","foaf:name":[{"@value":"Masao Hirose"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699993818544772","@type":"Researcher","foaf:name":[{"@value":"Akiyoshi Nishikawa"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"02786915"}],"prism:publicationName":[{"@value":"Food and Chemical Toxicology"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2009-01","prism:volume":"47","prism:number":"1","prism:startingPage":"184","prism:endingPage":"191"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0278691508006169?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0278691508006169?httpAccept=text/plain"}],"createdAt":"2008-11-09","modifiedAt":"2018-12-24","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Adenoma","dc:title":"Adenoma"},{"@id":"https://cir.nii.ac.jp/all?q=Male","dc:title":"Male"},{"@id":"https://cir.nii.ac.jp/all?q=Sex%20Characteristics","dc:title":"Sex Characteristics"},{"@id":"https://cir.nii.ac.jp/all?q=Dose-Response%20Relationship,%20Drug","dc:title":"Dose-Response Relationship, Drug"},{"@id":"https://cir.nii.ac.jp/all?q=Plant%20Extracts","dc:title":"Plant Extracts"},{"@id":"https://cir.nii.ac.jp/all?q=Carcinoma","dc:title":"Carcinoma"},{"@id":"https://cir.nii.ac.jp/all?q=Liver%20Neoplasms","dc:title":"Liver Neoplasms"},{"@id":"https://cir.nii.ac.jp/all?q=Rubia","dc:title":"Rubia"},{"@id":"https://cir.nii.ac.jp/all?q=Kidney","dc:title":"Kidney"},{"@id":"https://cir.nii.ac.jp/all?q=Drug%20Administration%20Schedule","dc:title":"Drug Administration Schedule"},{"@id":"https://cir.nii.ac.jp/all?q=Kidney%20Neoplasms","dc:title":"Kidney Neoplasms"},{"@id":"https://cir.nii.ac.jp/all?q=Rats,%20Inbred%20F344","dc:title":"Rats, Inbred F344"},{"@id":"https://cir.nii.ac.jp/all?q=Rats","dc:title":"Rats"},{"@id":"https://cir.nii.ac.jp/all?q=Liver","dc:title":"Liver"},{"@id":"https://cir.nii.ac.jp/all?q=Animals","dc:title":"Animals"},{"@id":"https://cir.nii.ac.jp/all?q=Female","dc:title":"Female"},{"@id":"https://cir.nii.ac.jp/all?q=Food%20Additives","dc:title":"Food Additives"},{"@id":"https://cir.nii.ac.jp/all?q=Lymph%20Nodes","dc:title":"Lymph Nodes"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004233254180992","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Determination of Lucidin-Specific DNA Adducts by Liquid Chromatography with Tandem Mass Spectrometry in the Livers and Kidneys of Rats Given Lucidin-3-<i>O</i>-primeveroside"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285706146620032","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Cellular distribution of cell cycle-related molecules in the renal tubules of rats treated with renal carcinogens for 28 days: relationship between cell cycle aberration and carcinogenesis"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282680487326080","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Carcinogenicity Assessment for Risk Factors in Food:"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282680488218368","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Possible Carcinogenic Mechanisms Underlying Renal Carcinogens in          Food"}]},{"@id":"https://cir.nii.ac.jp/crid/1390583491232424064","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Solar Drying Analysis of Madder Plant Roots (<i>Rubia tinctorum</i> L.)"}]},{"@id":"https://cir.nii.ac.jp/crid/2051714791867900032","@type":"Article","resourceType":"学術雑誌論文(journal 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