{"created":"2024-10-28T02:50:00.185535+00:00","id":2004116,"links":{},"metadata":{"_buckets":{"deposit":"7e7b0d48-47e2-4955-863c-f7413bc2bd2c"},"_deposit":{"created_by":7,"id":"2004116","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2004116"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02004116","sets":["1713853213384:1713853296295:1716267876683:1716268551628"]},"author_link":["521","1567","1418","818","168","514","816","482","228"],"item_10001_alternative_title_1":{"attribute_name":"タイトル別表記","attribute_value_mlt":[{"subitem_alternative_title":"尿毒素物質インドキシル硫酸はヘプシジン制御を介して慢性腎臓病における鉄代謝を障害する","subitem_alternative_title_language":"ja"},{"subitem_alternative_title":"Effect of indoxyl sulfate on hepcidin regulation","subitem_alternative_title_language":"en"}]},"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2017-08-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"597 ","bibliographicPageStart":"586","bibliographicVolumeNumber":"33","bibliographic_titles":[{"bibliographic_title":"Nephrology Dialysis Transplantation","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Background: Hepcidin secreted by hepatocytes is a key regulator of iron metabolism throughout the body. Hepcidin concentrations are increased in chronic kidney disease (CKD), contributing to abnormalities in iron metabolism. Levels of indoxyl sulfate (IS), a uremic toxin, are also elevated in CKD. However, the effect of IS accumulation on iron metabolism remains unclear.\nMethods: We used HepG2 cells to determine the mechanism by which IS regulates hepcidin concentrations. We also used a mouse model of adenine-induced CKD. The CKD mice were divided into two groups: one was treated using AST-120 and the other received no treatment. We examined control mice, CKD mice, CKD mice treated using AST-120, and mice treated with IS via drinking water.\nResults: In the in vitro experiments using HepG2 cells, IS increased hepcidin expression in a dose-dependent manner. Silencing of the aryl hydrocarbon receptor (AhR) inhibited IS-induced hepcidin expression. Furthermore, IS induced oxidative stress, and antioxidant drugs diminished IS-induced hepcidin expression. Adenine-induced CKD mice demonstrated an increase in hepcidin concentrations; this increase was reduced by AST-120, an oral adsorbent of the uremic toxin. CKD mice showed renal anemia, decreased plasma iron concentration, increased plasma ferritin, and increased iron content in the spleen. Ferroportin was decreased in the duodenum and increased in the spleen. These changes were ameliorated by AST-120 treatment. Mice treated by direct IS administration showed hepatic hepcidin upregulation.\nConclusion: IS affects iron metabolism in CKD by participating in hepcidin regulation via pathways that depend on AhR and oxidative stress.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Oxford University Press","subitem_publisher_language":"en"}]},"item_10001_source_id_9":{"attribute_name":"収録物ID","attribute_value_mlt":[{"subitem_source_identifier":"09310509","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"14602385","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA1073277X","subitem_source_identifier_type":"NCID"},{"subitem_source_identifier":"AA12096159","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_20":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_be7fb7dd8ff6fe43","subitem_version_type":"NA"}]},"item_1714461018643":{"attribute_name":"報告番号","attribute_value_mlt":[{"subitem_dissertationnumber":"甲第3101号"}]},"item_1714461102074":{"attribute_name":"学位名","attribute_value_mlt":[{"subitem_degreename":"博士(医学)","subitem_degreename_language":"ja"}]},"item_1714461118377":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2017-09-28"}]},"item_1714461137393":{"attribute_name":"学位授与機関","attribute_value_mlt":[{"subitem_degreegrantor":[{"subitem_degreegrantor_language":"ja","subitem_degreegrantor_name":"徳島大学"}]}]},"item_1715043197608":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access"}]},"item_1718868208704":{"attribute_name":"備考","attribute_value_mlt":[{"subitem_textarea_language":"ja","subitem_textarea_value":"内容要旨・審査要旨・論文本文の公開\n本論文は,著者Hirofumi Hamanoの学位論文として提出され,学位審査・授与の対象となっている。\nThis is a pre-copyedited, author-produced version of an article accepted for publication in Nephrology Dialysis Transplantation following peer review. The version of record, Nephrology Dialysis Transplantation (2017) Article ID: gfx252 is available online at: https://doi.org/10.1093/ndt/gfx252.\n学位授与者所属 : 徳島大学大学院医科学教育部(医学専攻)"}]},"item_1718868303842":{"attribute_name":"学位記番号","attribute_value_mlt":[{"subitem_text_language":"ja","subitem_text_value":"甲医第1345号"}]},"item_1722929371688":{"attribute_name":"出版社版DOI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"10.1093/ndt/gfx252"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1093/ndt/gfx252","subitem_relation_type_select":"DOI"}}]},"item_1723180141928":{"attribute_name":"EID","attribute_value_mlt":[{"subitem_identifier_type":"URI","subitem_identifier_uri":"325682"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"濱野, 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disease","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"CKD","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"hepcidin","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"iron","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"anemia","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"doctoral thesis","resourceuri":"http://purl.org/coar/resource_type/c_db06"}]},"item_title":"The uremic toxin indoxyl sulfate interferes with iron metabolism by regulating hepcidin in chronic kidney disease","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"The uremic toxin indoxyl sulfate interferes with iron metabolism by regulating 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