| ○種別 (必須): | □ | 総説·解説
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): |
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| ○学究種別 (推奨): |
| ○組織 (推奨): | 1. | 徳島大学.大学院ヘルスバイオサイエンス研究部.創薬資源科学部門.機能分子創製学講座 (2004年4月1日〜)
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| ○著者 (必須): | 1. | 伊東 進
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| 2. | 六車 直樹
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| 3. | (英) Kimura Tetsuo (日) (読)
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| 4. | (英) Yano Hiromi (日) (読)
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| 5. | (英) Imoto Yoshitaka (日) (読)
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| 6. | 岡本 耕一 ([徳島大学.病院.診療科.内科.消化器内科])
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| 7. | (英) Kaji Masako (日) (読)
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| 8. | 佐野 茂樹 ([徳島大学.大学院医歯薬学研究部.薬学域.薬科学部門.創薬科学系.分子創薬化学])
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| 9. | 長尾 善光
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| ○題名 (必須): | □ | (英) Principle and Clinical Usefulness of the Infrared Fluorescence Endoscopy (日)
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| ○要約 (任意): | □ | (英) Since there is no infrared fluorescence materials in the living body, infrared fluorescence labeling materials are very useful for making a diagnosis of a micro cancer. We have developed an infrared fluorescence endoscope (IRFE) and indocyanin green (ICG)-derivative as infrared fluorescence labeling materials to evaluate gastrointestinal neoplastic lesions. The study aims were to apply an IRFE and to demonstrate its usefulness in detecting cancerous tissue using an antibody coupled with ICG-derivative. IRFE consisted of an infrared endoscope equipped with excitation (710-790 nm) and barrier (810-920 nm) filters and an intensified CCD camera. We have developed ICG N-hydroxy sulfo succinimide ester (ICG-sulfo-OSu) and 3-ICG-acyl-1, 3-thiazolidine-2-thione (ICG-ATT) as an infrared fluorescent-labeling reagent. ICG-derivative-labeled mouse anti-human carcinoembryonic antigen (CEA) antibody and MUC1 antibody were employed in this study. Moreover, we examined the ability of a reinforcement agent, octylglucoside, to intensity fluorescence from the labeled antibody. Biopsy specimens of gastric cancer were stained with anti-CEA antibody by the avidin-biotinylated peroxidase complex method. Among the positive specimens, freshly resected stomach from three cases were used for the infrared (IR) imaging analysis. The incubation of freshly resected stomach specimens with ICG-anti-CEA antibody-complex resulted in positive staining of the tumor sites by IRFE, and the IR fluorescent images correlated well with the tumor sites. The immunohistochemical studies suggested that the intensity of IR fluorescence of ICG-ATT-MUC1 was stronger than that of ICG-sulfo-OSu. In tumor sections, the reinforcement agent intensified fluorescence, ever at low antibody concentrations. Therefore, we conclude that an anti-CEA (and/or MUC1) antibody with affinity for cancerous lesions and labeled with ICG-derivative can be imaged with this IRFE. Specific antibodies tagged with ICG-derivative with the reinforcement agent can label cancer cells and generate a strong enough fluorescent signal to detect small cancers when examined with an IR fluorescence endoscope. (日)
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| ○キーワード (推奨): | 1. | (英) Animals (日) (読)
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| 2. | (英) Antibodies, Neoplasm (日) (読)
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| 3. | (英) Antigens, Neoplasm (日) (読)
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| 4. | (英) Carcinoembryonic Antigen (日) (読)
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| 5. | (英) Endoscopy, Gastrointestinal (日) (読)
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| 6. | (英) Fluorescent Dyes (日) (読)
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| 7. | (英) Gastrointestinal Neoplasms (日) (読)
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| 8. | (英) Humans (日) (読)
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| 9. | (英) Indocyanine Green (日) (読)
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| 10. | (英) Infrared Rays (日) (読)
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| 11. | (英) Mice (日) (読)
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| 12. | (英) Mucin-1 (日) (読)
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| 13. | (英) Mucins (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | The Journal of Medical Investigation : JMI ([徳島大学.医学部])
(pISSN: 1343-1420, eISSN: 1349-6867)
| ○ISSN (任意): | □ | 1343-1420
ISSN: 1343-1420
(pISSN: 1343-1420, eISSN: 1349-6867) Title: The journal of medical investigation : JMITitle(ISO): J Med InvestSupplier: 徳島大学Publisher: University of Tokushima (NLM Catalog)
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(医中誌Web)
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| ○巻 (必須): | □ | 53
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| ○号 (必須): | □ | 1/2
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| ○頁 (必須): | □ | 1 8
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| ○年月日 (必須): | □ | 西暦 2006年 2月 初日 (平成 18年 2月 初日)
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| ○DOI (任意): | □ | 10.2152/jmi.53.1 (→Scopusで検索)
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| ○PMID (任意): | □ | 16537990 (→Scopusで検索)
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| ○機関リポジトリ : | □ | 110782
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| ○備考 (任意): | 1. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Review (日)
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| 4. | (英) NumberOfReferences: 14 (日)
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