{"created":"2023-04-24T04:09:26.558797+00:00","id":2000944,"links":{},"metadata":{"_buckets":{"deposit":"1e1b1c29-7581-45d6-b910-b67231f54b33"},"_deposit":{"id":"2000944","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2000944"},"status":"published"},"_oai":{"id":"oai:niigata-u.repo.nii.ac.jp:02000944","sets":["432:433:434","453:455"]},"author_link":[],"item_6_date_granted_51":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2022-09-20"}]},"item_6_degree_grantor_49":{"attribute_name":"学位授与機関","attribute_value_mlt":[{"subitem_degreegrantor":[{"subitem_degreegrantor_language":"ja","subitem_degreegrantor_name":"新潟大学"},{"subitem_degreegrantor_language":"en","subitem_degreegrantor_name":"Niigata University"}],"subitem_degreegrantor_identifier":[{"subitem_degreegrantor_identifier_name":"13101","subitem_degreegrantor_identifier_scheme":"kakenhi"}]}]},"item_6_degree_name_48":{"attribute_name":"学位名","attribute_value_mlt":[{"subitem_degreename":"博士（歯学）","subitem_degreename_language":"ja"}]},"item_6_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Introduction: The role of osteopontin (OPN) following severe injury remains to be elucidated, especially its relationship with type I collagen (encoded by the Col1a1 gene) secretion by newly-differentiated odontoblast-like cells (OBLCs). In this study, we examined the role of OPN in the process of reparative dentin formation with a focus on reinnervation and revascularization after tooth replantation in Opn knockout (KO) and wild-type (WT) mice. Methods: Maxillary first molars of 2- and 3-week-old-Opn KO and WT mice (Opn KO 2W, Opn KO 3W, WT 2W, and WT 3W groups) were replanted, followed by fixation 3-56 days after operation. Following micro-computed tomography analysis, the decalcified samples were processed for immunohistochemistry for Ki67, Nestin, PGP 9.5, and CD31 and in situ hybridization for Col1a1. Results: An intense inflammatory reaction occurred to disrupt pulpal healing in the replanted teeth of the Opn KO 3W group, whereas dental pulp achieved healing in the Opn KO 2W and WT groups. The tertiary dentin in the Opn KO 3W group was significantly decreased in area compared with the Opn KO 2W and WT groups, with a significantly low percentage of Nestin-positive, newly-differentiated OBLCs during postoperative days 7-14. In the Opn KO 3W group, the blood vessels were significantly decreased in area and pulp healing was disturbed with a failure of pulpal revascularization and reinnervation. Conclusions: OPN is necessary for proper reinnervation and revascularization to deposit reparative dentin following severe injury within the dental pulp of erupted teeth with advanced root development.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_6_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"Regenerative Therapy. 2022, 21, 460-468.","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_6_description_53":{"attribute_name":"学位記番号","attribute_value_mlt":[{"subitem_description":"新大院博(歯)第521号","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_6_dissertation_number_52":{"attribute_name":"学位授与番号","attribute_value_mlt":[{"subitem_dissertationnumber":"甲第5087号"}]},"item_6_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1016/j.reth.2022.09.011","subitem_relation_type_select":"DOI"}}]},"item_6_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"© 2022, The Japanese Society for Regenerative Medicine. Production and hosting by Elsevier B.V.","subitem_rights_language":"en"},{"subitem_rights":"Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International","subitem_rights_language":"en","subitem_rights_resource":"https://creativecommons.org/licenses/by-nc-nd/4.0/"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Suzuki Barrera, Kiyoko Nélida","creatorNameLang":"en"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-04-24"}],"displaytype":"detail","filename":"r4ndk521.pdf","filesize":[{"value":"1.44MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"本文","objectType":"fulltext","url":"https://niigata-u.repo.nii.ac.jp/record/2000944/files/r4ndk521.pdf"},"version_id":"aabdb188-013d-4299-b983-8f39b723e5ae"},{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-04-24"}],"displaytype":"detail","filename":"r4ndk521_a.pdf","filesize":[{"value":"250KB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"要旨","objectType":"abstract","url":"https://niigata-u.repo.nii.ac.jp/record/2000944/files/r4ndk521_a.pdf"},"version_id":"300dd0d9-aa9f-4964-ad72-6333e3531cea"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Animal model","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Blood supply","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Dentinogenesis","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Innervation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Osteopontin","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Tooth replantation","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":"Role of osteopontin in the process of pulpal healing following tooth replantation in mice","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Role of osteopontin in the process of pulpal healing following tooth replantation in mice","subitem_title_language":"en"},{"subitem_title":"マウス歯の再植後の歯髄治癒過程におけるオステオポンチンの役割","subitem_title_language":"ja"}]},"item_type_id":"6","owner":"1","path":["455","434"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-04-24"},"publish_date":"2023-04-24","publish_status":"0","recid":"2000944","relation_version_is_last":true,"title":["Role of osteopontin in the process of pulpal healing following tooth replantation in mice"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-04-24T04:09:30.441202+00:00"}