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Physico-Chemical, In Vitro, and In Vivo Evaluation of a 3D Unidirectional Porous Hydroxyapatite Scaffold for Bone Regeneration\uff08\u4e09\u6b21\u5143\u914d\u5411\u9023\u901a\u5b54\u30cf\u30a4\u30c9\u30ed\u30ad\u30b7\u30a2\u30d1\u30bf\u30a4\u30c8\u88fd\u9aa8\u518d\u751f\u7528\u30b9\u30ad\u30e3\u30d5\u30a9\u30eb\u30c9\u306e\u7269\u7406\u5316\u5b66\u30fb\u751f\u4f53\u5916\u30fb\u751f\u4f53\u5185\u7684\u8a55\u4fa1\uff09. \u4fe1\u5dde\u5927\u5b66, 2017, \u535a\u58eb\u8ad6\u6587.", "subitem_description_type": "Other"}]}, "item_14_dissertation_number_7": {"attribute_name": "\u5b66\u4f4d\u6388\u4e0e\u756a\u53f7", "attribute_value_mlt": [{"subitem_dissertationnumber": "13601\u7532\u7b2c1093\u53f7"}]}, "item_14_link_74": {"attribute_name": "WoS", "attribute_value_mlt": [{"subitem_link_text": "Web of Science", "subitem_link_url": "http://gateway.isiknowledge.com/gateway/Gateway.cgi?\u0026GWVersion=2\u0026SrcAuth=ShinshuUniv\u0026SrcApp=ShinshuUniv\u0026DestLinkType=FullRecord\u0026DestApp=WOS\u0026KeyUT=000394838800033"}]}, "item_14_publisher_4": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u4fe1\u5dde\u5927\u5b66"}]}, "item_14_relation_55": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "10.3390/ma10010033"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "http://dx.doi.org/10.3390/ma10010033", "subitem_relation_type_select": "DOI"}}]}, "item_14_rights_69": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": [{"subitem_rights": "\u00a9 2017 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/)."}]}, "item_14_select_71": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "ETD"}]}, "item_14_text_11": {"attribute_name": "\u5b66\u4f4d\u306e\u533a\u5206", "attribute_value_mlt": [{"subitem_text_value": "Doctoral"}]}, "item_14_text_12": {"attribute_name": "\u5b66\u4f4d\u306e\u5206\u91ce", "attribute_value_mlt": [{"subitem_text_value": "\u533b\u5b66"}]}, "item_14_text_13": {"attribute_name": "\u5b66\u4f4d\u306e\u5831\u544a\u756a\u53f7", "attribute_value_mlt": [{"subitem_text_value": "\u7532\u7b2c1093\u53f7"}]}, "item_14_text_76": {"attribute_name": "wosonly authkey", "attribute_value_mlt": [{"subitem_text_value": "regenerative medicine; scaffold; unidirectional pore"}]}, "item_14_text_77": {"attribute_name": "wosonly keywords", "attribute_value_mlt": [{"subitem_text_value": "COMPRESSIVE STRENGTH; OSTEOCONDUCTION; GROWTH; GRAFT"}]}, "item_14_textarea_75": {"attribute_name": "wosonly abstract", "attribute_value_mlt": [{"subitem_textarea_value": "The unidirectional porous hydroxyapatite HAp (UDPHAp) is a scaffold with continuous communicated pore structure in the axial direction. We evaluated and compared the ability of the UDPHAp as a three-dimensional (3D) bone tissue engineering scaffold to the interconnected calcium porous HAp ceramic (IP-CHA). To achieve this, we evaluated in vitro the compressive strength, controlled rhBMP-2 release behavior, adherent cell morphology, cell adhesion manner, and cell attachment of UDPHAp. As a further in vivo experiment, UDPHAp and IP-CHA with rhBMP-2 were transplanted into mouse calvarial defects to evaluate their bone-forming ability. The Results demonstrated that the maximum compressive strengths of the UDPHAp was 7.89 +/- 1.23 MPa and higher than that of IP-CHA (1.92 +/- 0.53 MPa) (p = 0.0039). However, the breaking energies were similar (8.99 +/- 2.72 vs. 13.95 +/- 5.69 mJ, p = 0.055). The UDPHAp released rhBMP-2 more gradually in vivo. Cells on the UDPHAp adhered tightly to the surface, which had grown deeply into the scaffolds. A significant increase in cell number on the UDPHAp was observed compared to the IP-CHA on day 8 (102,479 +/- 34,391 vs. 32,372 +/- 29,061 estimated cells per scaffold, p = 0.0495). In a mouse calvarial defect model, the percentages of new bone area (mature bone + trabecular bone) in the 2x field were 2.514% +/- 1.224% for the IP-CHA group and 7.045% +/- 2.055% for the UDPHAp group, and the percentage was significantly higher in the UDPHAp group (p = 0.0209). While maintaining the same strength as the IP-CHA, the UDPHAp with 84% porosity showed a high cell number, high cell invasiveness, and excellent bone formation. We believe the UDPHAp is an excellent material that can be applied to bone regenerative medicine."}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "\u7530\u4e2d, \u5b66"}], "nameIdentifiers": [{"nameIdentifier": "103725", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2017-06-06"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "13MH029A_shinsa.pdf", "filesize": [{"value": "107.9 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 107900.0, "url": {"label": "\u5185\u5bb9\u306e\u8981\u65e8", "url": "https://soar-ir.repo.nii.ac.jp/record/18991/files/13MH029A_shinsa.pdf"}, "version_id": "a525d219-e21e-41f2-905d-1f4f087a41f7"}, {"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2017-06-06"}], "displaytype": "detail", "download_preview_message": "", "file_order": 1, "filename": "13MH029A_yoshi.pdf", "filesize": [{"value": "129.0 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 129000.0, "url": {"label": "\u5be9\u67fb\u7d50\u679c\u306e\u8981\u65e8", "url": "https://soar-ir.repo.nii.ac.jp/record/18991/files/13MH029A_yoshi.pdf"}, "version_id": "8e5a965a-4c8a-4814-b9fa-0f2e0b73edef"}, {"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2017-06-06"}], "displaytype": "detail", "download_preview_message": "", "file_order": 2, "filename": "13MH029A_ronbun.pdf", "filesize": [{"value": "7.4 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensefree": "\u00a9 2017 by the authors; licensee MDPI, Basel, Switzerland. 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