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Riyoko Tamai

Observed names: R Tamai, R. Tamai, Tamai Riyoko
Institution: Ohu University
ORCID: 0000-0002-2782-2763
Observed ORCID: 0000-0002-2782-2763
OpenAlex ID: A5077599106
Synergistic Effect of Muramyldipeptide with Lipopolysaccharide or Lipoteichoic Acid To Induce Inflammatory Cytokines in Human Monocytic Cells in Culture
2001 · Shuhua Yang, Riyoko Tamai, et al. · Infection and Immunity · 209
Contrasting responses of human gingival and periodontal ligament fibroblasts to bacterial cell‐surface components through the CD14/Toll‐like receptor system
2003 · J. Hatakeyama, R. Tamai, et al. · Oral Microbiology and Immunology · 109
Candida albicans enhances invasion of human gingival epithelial cells and gingival fibroblasts by Porphyromonas gingivalis
2011 · Riyoko Tamai, Miho Sugamata, et al. · Microbial Pathogenesis · 84
Natural killer cell activities of synbiotic Lactobacillus casei ssp. casei in conjunction with dextran
2005 · T Ogawa, Y Asai, et al. · Clinical & Experimental Immunology · 72
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Chemical structure and immunobiological activity of lipid A from Prevotella intermedia ATCC 25611 lipopolysaccharide
2003 · Masahito Hashimoto, Yasuyuki Asai, et al. · FEBS Letters · 69
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Contrasting responses of human gingival and colonic epithelial cells to lipopolysaccharides, lipoteichoic acids and peptidoglycans in the presence of soluble CD14
2001 · Akiko Uehara, Shunji Sugawara, et al. · Medical Microbiology and Immunology · 62
Synergistic effects of lipopolysaccharide and interferon-γ in inducing interleukin-8 production in human monocytic THP-1 cells is accompanied by up-regulation of CD14, Toll-like receptor 4, MD-2 and MyD88 expression
2003 · Riyoko Tamai, Shunji Sugawara, et al. · Journal of Endotoxin Research · 61
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Requirement for Intercellular Adhesion Molecule 1 and Caveolae in Invasion of Human Oral Epithelial Cells by Porphyromonas gingivalis
2005 · Riyoko Tamai, Yasuyuki Asai, et al. · Infection and Immunity · 54
Innate immune responses in oral mucosa
2002 · Shunji Sugawara, Akiko Uehara, et al. · Journal of Endotoxin Research · 51
Cell activation by monosaccharide lipid A analogues utilizing Toll‐like receptor 4
2003 · Riyoko Tamai, Yasuyuki Asai, et al. · Immunology · 50
Characterization of Lacrimal Gland Carbonic Anhydrase VI
2002 · Yuzo Ogawa, Keiji Matsumoto, et al. · Journal of Histochemistry & Cytochemistry · 49
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Human Gingival CD14+Fibroblasts Primed with Gamma Interferon Increase Production of Interleukin-8 in Response to Lipopolysaccharide through Up-Regulation of Membrane CD14 and MyD88 mRNA Expression
2002 · Riyoko Tamai, Tetsuya Sakuta, et al. · Infection and Immunity · 41
Monocytic Cell Activation by Nonendotoxic Glycoprotein fromPrevotella intermediaATCC 25611 Is Mediated by Toll-Like Receptor 2
2001 · Shunji Sugawara, Shuhua Yang, et al. · Infection and Immunity · 39
Gastrointestinal colonisation and systemic spread of Candida albicans in mice treated with antibiotics and prednisolone
2018 · Michiyo Kobayashi-Sakamoto, Riyoko Tamai, et al. · Microbial Pathogenesis · 37
Candida Infections: The Role of Saliva in Oral Health—A Narrative Review
2025 · Riyoko Tamai, Yusuke Kiyoura · Microorganisms · 33
Alendronate augments interleukin-1β release from macrophages infected with periodontal pathogenic bacteria through activation of caspase-1
2008 · Xue Deng, Riyoko Tamai, et al. · Toxicology and Applied Pharmacology · 33
Mouse macrophages primed with alendronate down-regulate monocyte chemoattractant protein-1 (MCP-1) and macrophage inflammatory protein-1α (MIP-1α) production in response to Toll-like receptor (TLR) 2 and TLR4 agonist via Smad3 activation
2009 · Takahiro Masuda, Xue Deng, et al. · International Immunopharmacology · 32
Expression of IL-2 receptor β and γ chains by human gingival fibroblasts and up-regulation of adhesion to neutrophils in response to IL-2
2003 · Akiko Ozawa, Hiroyuki Tada, et al. · Journal of Leukocyte Biology · 32
Porphyromonas gingivalis with either Tannerella forsythia or Treponema denticola induces synergistic IL-6 production by murine macrophage-like J774.1 cells
2009 · R. Tamai, X. Deng, et al. · Anaerobe · 30
Correlation between chemical structure and biological activities of Porphyromonas gingivalis synthetic lipopeptide derivatives
2006 · Y Makimura, Y Asai, et al. · Clinical & Experimental Immunology · 28
Veillonella nakazawae sp. nov., an anaerobic Gram-negative coccus isolated from the oral cavity of Japanese children
2020 · Izumi Mashima, Citra F. Theodorea, et al. · INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY · 26
Alendronate augments lipid A-induced IL-1β release and Smad3/NLRP3/ASC-dependent cell death
2018 · Riyoko Tamai, Yusuke Kiyoura · Life Sciences · 21
Innate immunity to Candida albicans
2015 · Yusuke Kiyoura, Riyoko Tamai · Japanese Dental Science Review · 19
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Candida albicans and Candida parapsilosis Rapidly Up-Regulate Galectin-3 Secretion by Human Gingival Epithelial Cells
2014 · Riyoko Tamai, Yusuke Kiyoura · Mycopathologia · 16
Alendronate regulates cytokine production induced by lipid A through nuclear factor-κB and Smad3 activation in human gingival fibroblasts
2010 · R. Tamai, A. Sugiyama, et al. · Journal of Periodontal Research · 12
Works count: 42
Citation count: 1,371
H-index: 21
I10-index: 28
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