2013 Fiscal Year Final Research Report
Development of anti-inflammatory drugs based on genomic DNA of lactic acid bacteria
Project/Area Number |
24659060
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Research Category |
Grant-in-Aid for Challenging Exploratory Research
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Allocation Type | Single-year Grants |
Research Field |
Environmental pharmacy
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Research Institution | Fukuoka University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
SATHO Tomomitsu 福岡大学, 薬学部, 助教 (90369025)
IRIE Keiichi 福岡大学, 加齢脳科学研究所, 研究員 (50509669)
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Research Collaborator |
HIRAMATSU Yukihiro 福岡大学, 大学院・薬学研究科, 大学院生
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Project Period (FY) |
2012-04-01 – 2014-03-31
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Keywords | 乳酸菌 / ゲノムDNA / 抗炎症作用 / toll-like receptor 9 / NF-κB / オリゴデオキシヌクレオチド |
Research Abstract |
The inhibition of chronic inflammation by long-term use of NSAIDs, an anti-inflammatory drug, leads to the prevention and treatment of cancer. However, NSAIDs induce gastrointestinal side effects. We therefore investigated genomic DNA, which is one of the anti-inflammatory components of lactic acid bacteria (LAB). The use of component allows the application of LAB for systemic tissues except for intestine. The present study showed that genomic DNA of LAB is taken up into Caco-2 cells, and toll-like receptor 9, a specific receptor of bacterial DNA, is one of the major pathways for the anti-inflammatory effects by genomic DNA of LAB. Since the mechanisms of anti-inflammatory effects differ between genomic DNA of LAB and NSAIDs, long-term use of genomic DNA of LAB may lead to the prevention and treatment of cancer without side effects.
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[Journal Article] Expression and secretion of cholera toxin B subunit in lactobacilli2013
Author(s)
Takahiro Okuno, Nobuhiro Kashige, Tomomitsu Satho, Keiichi Irie, Yukihiro Hiramatsu, Tanjina Sharmin, Yuki Fukmits, Saori Uyeda, Seitaro Yamada, Tetsuya Harakuni, Takeshi Miyata, Takeshi Arakawa, Masumi Imoto, Akihisa Toda, Yukihiko Nakashima, Fumio Miake
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Journal Title
Biological Pharmaceutical Bulletin
Volume: 36(6)
Pages: 952-958
URL
Peer Reviewed
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[Journal Article] Differences in TLR9-dependent inhibitory effects of H_2O_2-induced IL-8 secretion and NF-kappa B/I kappa B-alpha system activation by genomic DNA from five Lactobacillus species2013
Author(s)
Yukihiro Hiramatsu, Tomomitsu Satho, Keiichi Irie, Shota Shiimura, Takahiro Okuno, Tanjina Sharmin, Yuki Fukumitsu, Saori Uyeda, Yukihiko Nakashima, Fumio Miake, Nobuhiro Kashige
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Journal Title
Microbes and Infection
Volume: 15(2)
Pages: 96-104
DOI
Peer Reviewed
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[Journal Article] Recombinant fusion protein of cholera toxin B subunit with YVAD secreted by Lactobacillus casei inhibits lipopolysaccharide-induced caspase-1 activation and subsequent IL-1 beta secretion in Caco-2 cells
Author(s)
Yukihiro Hiramatsu, Masatatsu Yamamoto, Tomomitsu Satho, Keiichi Irie, Akiko Kai, Saori Uyeda, Yuki Fukumitsu, Akihisa Toda, Takeshi Miyata, Fumio Miake, Takeshi Arakawa, Nobuhiro Kashige
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Journal Title
BMC Biotechnology
Volume: (In press)
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