Intracellular kinetic analysis of functional food component by CLEM method
Project/Area Number |
25450181
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Food science
|
Research Institution | Tokyo University of Agriculture |
Principal Investigator |
|
Project Period (FY) |
2013-04-01 – 2016-03-31
|
Project Status |
Completed (Fiscal Year 2015)
|
Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
|
Keywords | ポリフェノール / オリーブ葉 / 蛍光標識 / CLEM法 / 機能性食品 / オレウロペイン / ヒドロキシチロソール / 大腸癌 |
Outline of Final Research Achievements |
The aim of this study was to investigate the novel beneficial effects of hydroxytyrosol (HT) using colorectal cancer (Caco-2) cells and to analyze the localization of HT conjugated to fluorescein isothiocyanate (FITC) in Caco-2 using Corrlative light and electron microscopy (CLEM) method. Our results revealed that HT inhibited cell proliferation dose-dependently in Caco-2 cells and induced DNA fragmentation, suggesting that HT induced apoptotic cell death. Furthermore, HT inhibited Akt/mTOR pathway to induce autophagy. Furthermore, HT was conjugated with FITC via the alcoholic hydroxyl group (FITC-HT). Caco-2 cells were incubated with 0.5 mM FITC-HT for 24 hours and subsequently labelled with Lysosome marker before imaging on the Olympus FV1200 Laser confocal microscope. As a result, FITC-HT was detected in the lysosome of Caco-2. Additionally, CLEM was performed using Caco-2 cells treated with FITC-HT and LysoTracker. As a result, primitive imaging data was obtained.
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Report
(4 results)
Research Products
(79 results)
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[Journal Article] Metabolic abnormalities induced by mitochondrial dysfunction in skeletal muscle of the renal carcinoma Eker (TSC2+/-) rat model.2016
Author(s)
Aizawa Y, Shirai T, Kobayashi T, Hino O, Tsujii Y, Inoue H, Kazami M, Tadokoro T, Suzuki T, Kobayashi KI, Yamamoto Y.
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Journal Title
Bioscience, Biotechnology, and Biochemistry
Volume: in press
Issue: 8
Pages: 1-7
DOI
Related Report
Peer Reviewed
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[Journal Article] アルファ化玄米が肥満モデルラットにおける血中コレステロール値に及ぼす影響2016
Author(s)
小林謙一, 山岸彩乃, 中川徹, 前田雪恵, 伊藤有紗, 山田千晴, 徳永洸貴, 藤田沙也, 鈴木司, 辻井良政, 高野克己, 山本祐司
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Journal Title
日本食品保蔵科学会誌
Volume: 42
Pages: 3-8
NAID
Related Report
Peer Reviewed
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[Journal Article] The tuberous sclerosis complex model Eker (TSC2+/-) rat exhibits hyperglycemia and hyperketonemia due to decreased glycolysis in the liver.2016
Author(s)
Aizawa Y, Shirai T, Kobayashi T, Hino O, Tsujii Y, Inoue H, Kazami M, Tadokoro T, Suzuki T, Kobayashi K, Yamamoto Y.
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Journal Title
Archives of biochemistry and biophysics.
Volume: 590
Pages: 48-55
DOI
Related Report
Peer Reviewed
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[Presentation] QPRT DEFICIENCY IN MICE CAUSES RENAL IMPAIRMENT2015
Author(s)
Kobayashi KI, Tomonaga S, Goto K, Ise A, Fujita M, Iizuka H, Matsumoto Y, Takei S, Fukuoka SI, Sasaki R, Shibata K, Suzuki T, and Yamamoto Y
Organizer
The 14th International Society for Tryptophan Research (ISTRY 2015)
Place of Presentation
Van Andel Research Institute in Grand Rapids (Michigan, USA)
Year and Date
2015-09-16
Related Report
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[Presentation] Pregelatinized brown rice ameliorates liver injury and pancreatitis in obese model rats.2015
Author(s)
Yamagishi A, Maeda Y, Ito A, Yamada C, Majima S, Nagashima M, Tsujii Y, Suzuki T, Kobayashi K, Takano K, Yamamoto Y
Organizer
12th Asian Congress of Nutrition
Place of Presentation
Pacifico Yokohama、 (Yokohama, Japan)
Year and Date
2015-05-14
Related Report
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[Presentation] インスリンシグナルを制御する新規化合物の探索2014
Author(s)
田中 友理, 中山 佳織, 高杉 実里, 大久保 由香, 根橋 里, 大沼 鈴奈, 吉沼 咲枝, 菅原 二三男, 竹本 健二, 紙透 伸治, 鈴木 司, 小林 謙一, 山本 祐司
Organizer
第37回日本分子生物学会年会
Place of Presentation
パシフィコ横浜(神奈川県横浜市)
Year and Date
2014-11-25 – 2014-11-27
Related Report
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[Presentation] トリプトファン代謝の代謝産物であるキノリン酸が赤血球産生機構に及ぼす影響2014
Author(s)
後藤 圭太, 伊勢 瑛, 武藤 真悠, 瀬崎 沙織, 宮原 麻美, 松本 雄宇, 武井 史郎, 福岡 伸一, 佐々木 隆造, 柴田 克己, 鈴木 司, 小林 謙一, 山本 祐司
Organizer
第87回日本生化学会大会
Place of Presentation
京都国際会議場(京都府京都市)
Year and Date
2014-10-18
Related Report
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[Presentation] Renal accumulation of Quinolinic Acid induces renal fibrosis and decreases erythropoietin expression.2014
Author(s)
Keita Goto, Akira Ise, Saori Sezaki, Asami Miyahara, Yu Matsumoto, Shiro Takei, Shin-Ichi Fukuoka, Ryuzo Sasaki, Katsumi Shibata, Yuji Yamamoto, Ken-Ichi Kobayashi
Organizer
14th Asian Pacific Congress of Nephrology (APCN2014)
Place of Presentation
品川プリンスホテル(東京都港区)
Year and Date
2014-05-15
Related Report
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[Presentation] Imaging of Fluorescently labeled Olive Polyphenol Hydroxytyrosol in Caco-2 Cells2014
Author(s)
Ken-Ichi Kobayashi, Yuki Mogi, Fumika Saito, Takahiro Shiga, Shiro Takei, Minh Huynh, Delfine Cheng, Tsukasa Suzuki, Filip Braet, Yuji Yamamoto
Organizer
Focus om Microscopy 2014 27th International Conference on 3D Image Processing in Microscopy
Place of Presentation
The University of Sydney (Austlalia, Sydney)
Year and Date
2014-04-13 – 2014-04-16
Related Report
Invited
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