{"_buckets": {"deposit": "33979724-c159-4de2-bd6f-dda91834d576"}, "_deposit": {"created_by": 29, "id": "16655", "owners": [29], "pid": {"revision_id": 0, "type": "depid", "value": "16655"}, "status": "published"}, "_oai": {"id": "oai:ir.kagoshima-u.ac.jp:00016655", "sets": ["86"]}, "author_link": ["142791", "142790", "142792"], "item_5_alternative_title_18": {"attribute_name": "別言語のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "胆嚢微生物叢と膵胆管・胆嚢がんの予後との関連"}]}, "item_5_date_6": {"attribute_name": "作成日", "attribute_value_mlt": [{"subitem_date_issued_datetime": "2023-04-10"}]}, "item_5_date_granted_54": {"attribute_name": "学位授与年月日 ", "attribute_value_mlt": [{"subitem_dategranted": "2023-04-18"}]}, "item_5_degree_grantor_53": {"attribute_name": "学位授与機関", "attribute_value_mlt": [{"subitem_degreegrantor": [{"subitem_degreegrantor_name": "鹿児島大学"}], "subitem_degreegrantor_identifier": [{"subitem_degreegrantor_identifier_name": "17701", "subitem_degreegrantor_identifier_scheme": "kakenhi"}]}]}, "item_5_degree_name_42": {"attribute_name": "学位名", "attribute_value_mlt": [{"subitem_degreename": "博士（医学）Doctor of Philosophy in Medical Science"}]}, "item_5_description_17": {"attribute_name": "ファイル（説明）", "attribute_value_mlt": [{"subitem_description": "博士論文全文", "subitem_description_type": "Other"}, {"subitem_description": "博士論文要旨", "subitem_description_type": "Other"}, {"subitem_description": "最終試験結果の要旨", "subitem_description_type": "Other"}, {"subitem_description": "論文審査の要旨", "subitem_description_type": "Other"}]}, "item_5_description_4": {"attribute_name": "要約(Abstract)", "attribute_value_mlt": [{"subitem_description": "Background: The microbial population of the intestinal tract and its relationship to specific diseases has been extensively studied during the past decade. However, reports characterizing the bile microbiota are rare. This study aims to investigate the microbiota composition in patients with pancreaticobiliary cancers and benign diseases by 16S rRNA gene amplicon sequencing and to evaluate its potential value as a biomarker for the cancer of the bile duct, pancreas, and gallbladder.\nResults: We enrolled patients who were diagnosed with cancer, cystic lesions, and inflammation of the pancreaticobiliary tract. The study cohort comprised 244 patients. We extracted microbiome-derived DNA from the bile juice in surgically resected gallbladders. The microbiome composition was not significantly different according to lesion position and cancer type in terms of alpha and beta diversity. We found a significant difference in the relative abundance of Campylobacter, Citrobacter, Leptotrichia, Enterobacter, Hungatella, Mycolicibacterium, Phyllobacterium and Sphingomonas between patients without and with lymph node metastasis.\nConclusions: There was a significant association between the relative abundance of certain microbes and overall survival prognosis. These microbes showed association with good prognosis in cholangiocarcinoma, but with poor prognosis in pancreatic adenocarcinoma, and vice versa. Our findings suggest that pancreaticobiliary tract cancer patients have an altered microbiome composition, which might be a biomarker for distinguishing malignancy.\n\nMari Kirishima, Seiya Yokoyama, Kei Matsuo, Taiji Hamada, Michiko Shimokawa, Toshiaki Akahane, Tomoyuki Sugimoto, Hirohito Tsurumaru, Matsujiro Ishibashi, Yuko Mataki, Takao Ootsuka, Mitsuharu Nomoto, Chihiro Hayashi, Akihiko Horiguchi, Michiyo Higashi \u0026 Akihide Tanimoto\nGallbladder microbiota composition is associated with pancreaticobiliary and gallbladder cancer prognosis\nBMC Microbiology (2022) 22:147\nhttps://doi.org/10.1186/s12866-022-02557-3", "subitem_description_type": "Other"}]}, "item_5_dissertation_number_55": {"attribute_name": "学位授与番号", "attribute_value_mlt": [{"subitem_dissertationnumber": "甲総研第699号"}]}, "item_5_full_name_2": {"attribute_name": "著者よみ", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "142791", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "キリシマ, マリ"}]}]}, "item_5_full_name_3": {"attribute_name": "別言語の著者", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "142792", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "KIRISHIMA, Mari"}]}]}, "item_5_publisher_23": {"attribute_name": "公開者・出版者", "attribute_value_mlt": [{"subitem_publisher": "BioMed Central"}, {"subitem_publisher": "鹿児島大学"}]}, "item_5_subject_15": {"attribute_name": "NDC", "attribute_value_mlt": [{"subitem_subject": "490", "subitem_subject_scheme": "NDC"}]}, "item_5_text_24": {"attribute_name": "公開者よみ", "attribute_value_mlt": [{"subitem_text_value": "カゴシマ ダイガク"}]}, "item_5_text_25": {"attribute_name": "公開者別名", "attribute_value_mlt": [{"subitem_text_value": "Kagoshima University"}]}, "item_5_text_44": {"attribute_name": "備考", "attribute_value_mlt": [{"subitem_text_value": "【指導教員:谷本昭英】"}]}, "item_5_text_47": {"attribute_name": "date.appl", "attribute_value_mlt": [{"subitem_text_value": "【学位申請日】2022-12-07"}]}, "item_5_version_type_14": {"attribute_name": "著者版フラグ", 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