Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2256260551', 'doi': 'https://doi.org/10.11501/3139135', 'title': '子宮内膜癌におけるMMP-9(matrix metalloproteinase-9)・mRNAおよびTIMP-1(tissue inhibitor of metalloproteinase-1)・mRNAの発現に関する研究', 'display_name': '子宮内膜癌におけるMMP-9(matrix metalloproteinase-9)・mRNAおよびTIMP-1(tissue inhibitor of metalloproteinase-1)・mRNAの発現に関する研究', 'publication_year': 1998, 'publication_date': '1998-01-01', 'ids': {'openalex': 'https://openalex.org/W2256260551', 'doi': 'https://doi.org/10.11501/3139135', 'mag': '2256260551'}, 'language': None, 'primary_location': {'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/naid/500000160012?l=ja', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5034050267', 'display_name': '堂國日子', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': '堂國日子', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5034050267'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 56}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10620', 'display_name': 'Role of Matrix Metalloproteinases in Cancer and Physiology', 'score': 0.8383, 'subfield': {'id': 'https://openalex.org/subfields/1306', 'display_name': 'Cancer Research'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10620', 'display_name': 'Role of Matrix Metalloproteinases in Cancer and Physiology', 'score': 0.8383, 'subfield': {'id': 'https://openalex.org/subfields/1306', 'display_name': 'Cancer Research'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/tissue-inhibitors-of-metalloproteinases', 'display_name': 'Tissue Inhibitors of Metalloproteinases', 'score': 0.637318}, {'id': 'https://openalex.org/keywords/matrix-metalloproteinases', 'display_name': 'Matrix Metalloproteinases', 'score': 0.540901}], 'concepts': [{'id': 'https://openalex.org/C109523444', 'wikidata': 'https://www.wikidata.org/wiki/Q424216', 'display_name': 'Matrix metalloproteinase', 'level': 2, 'score': 0.74310684}, {'id': 'https://openalex.org/C105580179', 'wikidata': 'https://www.wikidata.org/wiki/Q188928', 'display_name': 'Messenger RNA', 'level': 3, 'score': 0.7154549}, {'id': 'https://openalex.org/C2775965246', 'wikidata': 'https://www.wikidata.org/wiki/Q4531845', 'display_name': 'Tissue inhibitor of metalloproteinase', 'level': 3, 'score': 0.68819386}, {'id': 'https://openalex.org/C55728118', 'wikidata': 'https://www.wikidata.org/wiki/Q425402', 'display_name': 'Metalloproteinase', 'level': 3, 'score': 0.6661938}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.4898629}, {'id': 'https://openalex.org/C95444343', 'wikidata': 'https://www.wikidata.org/wiki/Q7141', 'display_name': 'Cell biology', 'level': 1, 'score': 0.39129645}, {'id': 'https://openalex.org/C153911025', 'wikidata': 'https://www.wikidata.org/wiki/Q7202', 'display_name': 'Molecular biology', 'level': 1, 'score': 0.34068334}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.2855237}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.24847686}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.1410341}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/naid/500000160012?l=ja', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': [], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2256260551', 'counts_by_year': [], 'updated_date': '2024-09-25T02:27:12.022854', 'created_date': '2016-06-24'}