掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier BV  

DOI： 10.1016/j.archoralbio.2021.105215

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掲載種別：研究論文（学術雑誌）  

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担当区分：責任著者   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier BV  

BACKGROUND: The oral cavity serves as an entrance to the body and is therefore exposed to various exogenous stimuli, including mechanical forces, chemical agents, and bacterial components. The oral mucosa responds to these stimuli to maintain homeostasis and good oral health. The transient receptor potential vanilloid 1 (TRPV1) ion channel functions as an environment-sensing protein and is involved in a wide variety of cellular responses. Recent studies have revealed that epithelial TRPV1 ion channels in the oral cavity play pivotal roles in several pathophysiological conditions. In this review, we summarize the features of epithelial TRPV1 channels in the oral cavity and focus on their cellular function and pathogenicity with reference to related findings in other organs and tissues. HIGHLIGH: t: TRPV1 channels are widely expressed in epithelial cells in the oral cavity and play pivotal roles in fundamental cellular processes and disease progression. CONCLUSION: This review suggests that oral epithelial TRPV1 contributes to several cellular functions such as cell proliferation, barrier function, and inflammation. Further understanding of the characteristics of epithelial TRPV1 in the oral cavity may provide new insights into the prevention or treatment of diseases.

DOI： 10.1016/j.job.2020.05.005

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担当区分：筆頭著者,　責任著者   記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: Oxidative stress, which is defined as an imbalance between pro-oxidant and antioxidant systems, has been implicated in the development and/or progression of several inflammatory diseases, including periodontal disease. The reactive oxygen species (ROS) are the primary inducers of oxidative stress. In the induction of cytoprotective enzymes, the nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling in antioxidant systems takes a main role. Notably, 10-oxo-trans-11-octadecenoic acid (KetoC), known as a bioactive metabolite generated by intestinal microorganisms, has been reported to have beneficial effects on several biological responses. Therefore, we investigated the antioxidant effect of KetoC on gingival epithelial cells (GECs) in this present study. METHODS: An SV40-T antigen-transformed human gingival epithelial cell line (Epi4) was used for experiments. The alteration of anti-oxidative stress related genes was analyzed by qPCR. The cellular ROS levels were evaluated by flow cytometry. To explore its molecular mechanisms, ARE promotor activity was analyzed by luciferase assay; the involvement of mitogen-activated protein kinase (MAPK) and G protein-coupled receptor 120 (GPR120) were evaluated by Western blotting and luciferase assay, respectively. RESULTS: KetoC significantly increased the expression of antioxidant-related genes in GECs. The level of ROS was significantly inhibited by the pretreatment of KetoC. Extracellular signal-regulated kinase (ERK) phosphorylation by KetoC promoted both the nuclear translocation of Nrf2 and its binding to the ARE in GECs. Further, GPR120 regulated the activation of KetoC induced-Nrf2-ARE signaling. CONCLUSION: KetoC exerts a protective function against the oxidative stress in GECs through GPR120-dependent ERK-Nrf2-ARE signaling.

DOI： 10.1016/j.archoralbio.2019.104602

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: The bioactive metabolite KetoC, generated by intestinal bacteria, exerts various beneficial effects. Nevertheless, its function in the pathogenesis of periodontitis remains unclear. Here, we investigated the effect of KetoC in a mouse model of periodontitis and explored the underlying mechanism. METHODS: Thirty-one 8-week-old male C57BL/6N mice were randomly divided into four groups (non-ligation, non-ligation + KetoC, ligation + Porphyromonas gingivalis, and ligation + P. gingivalis + KetoC) (n = 7/8 mice/group) and given a daily oral gavage of KetoC (15 mg/mL) or vehicle for 2 weeks. To induce periodontitis, a 5-0 silk ligature was placed on the maxillary left second molar on day 7, and P. gingivalis W83 (109 colony-forming unit [CFU]) was administered orally every 3 days. On day 14, all mice were euthanized. Alveolar bone destruction was determined from the level of the cemento-enamel junction to the alveolar bone crest. Moreover, bone loss level was confirmed from gingival tissue sections stained with hematoxylin and eosin. The presence of P. gingivalis was quantified using real-time polymerase chain reaction. In vitro, the bacteriostatic and bactericidal effects of KetoC were assessed by analyzing its suppressive activity on the proliferation of P. gingivalis and using a live/dead bacterial staining kit, respectively. A double-bond-deficient metabolite (KetoB) was then used to investigate the importance of double-bond structure in the antimicrobial activity of KetoC on P. gingivalis. RESULTS: In vivo, KetoC attenuated alveolar bone destruction and suppressed P. gingivalis in the periodontitis group. In vitro, KetoC (but not KetoB) downregulated the proliferation and viability of P. gingivalis in a dose-dependent manner. CONCLUSIONS: KetoC reduced alveolar bone destruction in a periodontitis model via its antimicrobial function. Therefore, this bioactive metabolite may be valuable in clinical applications to support periodontal therapy.

DOI： 10.1002/JPER.19-0130

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担当区分：筆頭著者   記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Periodontitis is an inflammatory disease that results in alveolar bone resorption due to inflammatory cytokine production induced by bacterial antigens such as lipopolysaccharides (LPS). Here, the preventive effect of the Amyl-1-18 peptide derived from rice in an experimental model of periodontitis and the effect on the anti-inflammatory response were assessed. METHODS: Alveolar bone resorption, gene transcription of proinflammatory cytokines in the gingiva, and the endotoxin level in the oral cavity were evaluated after oral administration of the Amyl-1-18 peptide for 14 days using a ligature-induced periodontitis model in mice. Additionally, murine macrophages were incubated with LPS of Escherichia coli or Porphyromonas gingivalis in the presence of Amyl-1-18 to analyze the suppressive effects of Amyl-1-18 on the cell signaling pathways associated with proinflammatory cytokine production, including inflammasome activities. RESULTS: Oral administration of Amyl-1-18 suppressed alveolar bone resorption and gene transcription of interleukin (il)6 in the gingiva of the periodontitis model, and decreased endotoxin levels in the oral cavity, suggesting modulation of periodontal inflammation by inhibition of endotoxin activities in vivo. Also, Amyl-1-18 suppressed IL-6 production induced by LPS and recombinant IL-1β in macrophages in vitro but had no effect on inflammasome activity. CONCLUSIONS: The Amyl-1-18 peptide from rice inhibited alveolar bone destruction in mouse periodontitis model via suppressing inflammatory cytokine production induced by LPS. It was suggested that Amyl-1-18 peptide has anti-inflammatory property against LPS, not only by neutralization of LPS and subsequent inhibition of nuclear factor-κB signaling but also by inhibition of the IL-1R-related signaling cascade.

DOI： 10.1002/JPER.18-0630

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掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/jre.12564

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：BMJ PUBLISHING GROUP  

Objective Transient receptor potential ankyrin-1 (TRPA1) and transient receptor potential vanilloid-1 (TRPV1) are calcium (Ca2+)-permeable ion channels mostly known as pain receptors in sensory neurons. However, growing evidence suggests their crucial involvement in the pathogenesis of IBD. We explored the possible contribution of TRPA1 and TRPV1 to T-cell-mediated colitis.
Design We evaluated the role of Trpa1 gene deletion in two models of experimental colitis (ie, interleukin-10 knockout and T-cell-adoptive transfer models). We performed electrophysiological and Ca2+ imaging studies to analyse TRPA1 and TRPV1 functions in CD4+ T cells. We used genetic and pharmacological approaches to evaluate TRPV1 contribution to the phenotype of Trpa1 -/-CD4+ T cells. We also analysed TRPA1 and TRPV1 gene expression and TRPA1(+)TRPV1(+) T cell infiltration in colonic biopsies from patients with IBD.
Results We identified a protective role for TRPA1 in T-cell-mediated colitis. We demonstrated the functional expression of TRPA1 on the plasma membrane of CD4+ T cells and identified that Trpa1 -/-CD4+ T cells have increased T-cell receptor-induced Ca2+ influx, activation profile and differentiation into Th1-effector cells. This phenotype was abrogated upon genetic deletion or pharmacological inhibition of the TRPV1 channel in mouse and human CD4+ T cells. Finally, we found differential regulation of TRPA1 and TRPV1 gene expression as well as increased infiltration of TRPA1(+)TRPV1(+) T cells in the colon of patients with IBD.
Conclusions Our study indicates that TRPA1 inhibits TRPV1 channel activity in CD4+ T cells, and consequently restrains CD4+ T-cell activation and colitogenic responses. These findings may therefore have therapeutic implications for human IBD.

DOI： 10.1136/gutjnl-2015-310710

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1038/ni.3009

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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担当区分：筆頭著者   記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY-BLACKWELL  

Background and Objective: T and B cells are known to be involved in the disease process of periodontitis. However, the role of natural killer T cells in the pathogenesis of periodontitis has not been clarified.
Materials and Methods: To examine the role of these cells, C57BL/6J (wild-type), CD1d(-/-) and alpha-galactosylceramide (alpha GC)-stimulated wild-type mice were orally infected with Porphyromonas gingivalis strain W83.
Results: Apart from CD1d(-/-) mice, the level of alveolar bone resorption was elevated by the infection and was further accelerated in alpha GC-stimulated mice. The infection induced elevated levels of serum amyloid A and P. gingivalis-specific IgG in the sera, although the degree of elevation was much smaller in the CD1d(-/-) mice. Infection-induced RANKL elevation was only observed in aGC-stimulated mice. Although the cytokines produced by splenocytes were mainly T-helper 1 type in wild-type mice, those in alpha GC-stimulated mice were predominantly T-helper 2 type. In the liver, the infection demonstrated no effect on the gene expression for interferon-gamma, interleukin-4 and RANKL except alpha GC-stimulated mice in which the infection upregulated the gene expressions.
Conclusion: This study is the first to show that natural killer T cells upregulated systemic and local inflammatory responses induced by oral infection with P. gingivalis, thereby contributing to the progression of alveolar bone resorption.

DOI： 10.1111/jre.12080

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：BIOMED CENTRAL LTD  

Background: Periodontal disease is suggested to increase the risk of atherothrombotic disease by inducing dyslipidemia. Recently, we demonstrated that proprotein convertase subtilisin/kexin type 9 (PCSK9), which is known to play a critical role in the regulation of circulating low-density lipoprotein (LDL) cholesterol levels, is elevated in periodontitis patients. However, the underlying mechanisms of elevation of PCSK9 in periodontitis patients are largely unknown. Here, we explored whether Porphyromonas gingivalis, a representative periodontopathic bacterium, -induced inflammatory response regulates serum PCSK9 and cholesterol levels using animal models.
Methods: We infected C57BL/6 mice intraperitoneally with Porphyromonas gingivalis, a representative strain of periodontopathic bacteria, and evaluated serum PCSK9 levels and the serum lipid profile. PCSK9 and LDL receptor (LDLR) gene and protein expression, as well as liver X receptors (Lxrs), inducible degrader of the LDLR (Idol), and sterol regulatory element binding transcription factor (Srebf)2 gene expression, were examined in the liver.
Results: P. gingivalis infection induced a significant elevation of serum PCSK9 levels and a concomitant elevation of total and LDL cholesterol compared with sham-infected mice. The LDL cholesterol levels were significantly correlated with PCSK9 levels. Expression of the Pcsk9, Ldlr, and Srebf2 genes was upregulated in the livers of the P. gingivalis-infected mice compared with the sham-infected mice. Although Pcsk9 gene expression is known to be positively regulated by sterol regulatory element binding protein (SREBP)2 (human homologue of Srebf2), whereas Srebf2 is negatively regulated by cholesterol, the elevated expression of Srebf2 found in the infected mice is thought to be mediated by P. gingivalis infection.
Conclusions: P. gingivalis infection upregulates PCSK9 production via upregulation of Srebf2, independent of cholesterol levels. Further studies are required to elucidate how infection regulates Srebf2 expression and subsequently influences lipid metabolism.

DOI： 10.1186/1476-511X-11-121

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY-BLACKWELL  

Background and Objective: Periodontal infection affects atherosclerotic diseases, such as coronary heart diseases. Mouse models have revealed that oral infection with Porphyromonas gingivalis induces changes in inflammatory-and lipid metabolism-related gene expression, regardless of the development of atherosclerotic lesions. However, the serum protein expression profile in the oral infection model has not been investigated. The present study aimed to analyse the effect of oral infection with P. gingivalis on the expression levels of multiple cytokines in the serum in apolipoprotein E-deficient mice by using a cytokine antibody array. Material and Methods: C57BL/ 6. KOR-Apoe shl mice were orally infected with P. gingivalis five times at 3 day intervals and were then killed. Splenocytes were isolated and analysed for proliferative activity and immunoglobulin G (IgG) production in response to in vitro restimulation with P. gingivalis. The expression levels of various cytokines in the sera were analysed using a mouse antibody array glass chip. Results: Splenocytes from P. gingivalis-infected mice demonstrated significantly greater proliferation and IgG production in response to P. gingivalis compared with those from sham-infected mice. Antibody array analysis revealed the selective upregulation of matrix metalloproteinase 3, intercellular adhesion molecule 1, insulin-like growth factor binding protein 2 and chemokine (C-X-C motif) ligand 7 and the downregulation of interleukin-17, tumor necrosis factor-a and L-selectin. Conclusion: These data demonstrate that oral infection with P. gingivalis induces alterations in systemic cytokine production. These cytokines could play roles in the development not only of periodontitis but also of atherosclerosis.

DOI： 10.1111/j.1600-0765.2011.01441.x

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：PERGAMON-ELSEVIER SCIENCE LTD  

Objective: The present study was designed to investigate whether titres of antibody to two strains of Porphyromonas gingivalis, FDC381 and SU63, are associated with serum high-sensitivity C-reactive protein (hs-CRP) levels in Japanese periodontitis patients.
Design: Forty-nine patients with moderate to advanced periodontitis and 40 periodontally healthy control subjects were included in this study. hs-CRP levels and antibody titres to P. gingivalis were measured at baseline and reassessment 3-4 months after periodontal treatment in periodontitis patients as well as at the time of examination in the periodontally healthy subjects. Further, the effect of periodontal therapy, including surgical treatment and use of antibacterials on both markers, was analysed in patients.
Results: hs-CRP levels and antibody titres to P. gingivalis were higher in periodontitis patients than in control subjects, and they significantly decreased following periodontal treatment (p < 0.005). Also, a significant decrease in hs-CRP levels as a result of periodontal treatment was found in patients with hs-CRP levels >1 mgl(-1) at baseline (p < 0.005). Probing depth, clinical attachment level, and alveolar bone loss in patients were significantly associated with a higher antibody titre to both strains of P. gingivalis (p < 0.05), but were not related to hs-CRP levels. No relationship was observed between hs-CRP levels and tertiles as defined by titres of antibody to P. gingivalis strains FDC381 and SU63.
Conclusions: Our data indicate that hs-CRP levels were independent of antibody titres to P. gingivalis in Japanese periodontitis patients. (C) 2011 Elsevier Ltd. All rights reserved.

DOI： 10.1016/j.archoralbio.2011.11.008

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：SAGE PUBLICATIONS INC  

Increasing evidence suggests that distinct inflammatory cytokines convert forkhead box protein P3 (FOXP3(+)) regulatory T-cells (Tregs) into IL-17-producing cells (Th17 cells) in vitro. However, this functional plasticity has not been examined in the pathogenesis of periodontal disease. In this study, we analyzed the IL-17A(+)FOXP3(+) cells present in periodontitis lesions to determine the association between Treg conversion and the pathogenesis of periodontitis. The immunohistochemical analysis of gingival tissues demonstrated that the numbers of Th17 cells (IL-17A(+)FOXP3(-)) and Tregs (IL-17A(-)FOXP3(+)) were greater in periodontitis lesions than in gingivitis lesions. We further identified a small number of IL-17A(+)FOXP3(+) cells in periodontitis lesions but not in gingivitis lesions. The flow cytometry analysis of CD4(+) T-cell lines established from gingival tissues and the peripheral blood of periodontitis patients showed that the proportion of Tregs was reduced and the proportion of IL-17A(+)FOXP3(+) cells among all FOXP3(+) cells was elevated in gingival tissue T-cell lines relative to the proportions in peripheral blood T-cell lines. Our findings indicate that Treg-Th17 conversion may occur in periodontitis lesions. Further studies addressing the role of Treg conversion during inflammatory responses against periodontopathic bacteria are needed.

DOI： 10.1177/0022034512446341

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：PUBLIC LIBRARY SCIENCE  

Background: Recent studies have suggested that periodontal disease increases the risk of atherothrombotic disease. Atherosclerosis has been characterized as a chronic inflammatory response to cholesterol deposition in the arteries. Although several studies have suggested that certain periodontopathic bacteria accelerate atherogenesis in apolipoprotein E-deficient mice, the mechanistic link between cholesterol accumulation and periodontal infection-induced inflammation is largely unknown.
Methodology/Principal Findings: We orally infected C57BL/6 and C57BL/6. KOR-Apoe(shl) (B6.Apoeshl) mice with Porphyromonas gingivalis, which is a representative periodontopathic bacterium, and evaluated atherogenesis, gene expression in the aorta and liver and systemic inflammatory and lipid profiles in the blood. Furthermore, the effect of lipopolysaccharide (LPS) from P. gingivalis on cholesterol transport and the related gene expression was examined in peritoneal macrophages. Alveolar bone resorption and elevation of systemic inflammatory responses were induced in both strains. Despite early changes in the expression of key genes involved in cholesterol turnover, such as liver X receptor and ATP-binding cassette A1, serum lipid profiles did not change with short-term infection. Long-term infection was associated with a reduction in serum high-density lipoprotein (HDL) cholesterol but not with the development of atherosclerotic lesions in wild-type mice. In B6.Apoeshl mice, long-term infection resulted in the elevation of very low-density lipoprotein (VLDL), LDL and total cholesterols in addition to the reduction of HDL cholesterol. This shift in the lipid profile was concomitant with a significant increase in atherosclerotic lesions. Stimulation with P. gingivalis LPS induced the change of cholesterol transport via targeting the expression of LDL receptor-related genes and resulted in the disturbance of regulatory mechanisms of the cholesterol level in macrophages.
Conclusions/Significance: Periodontal infection itself does not cause atherosclerosis, but it accelerates it by inducing systemic inflammation and deteriorating lipid metabolism, particularly when underlying hyperlidemia or susceptibility to hyperlipidemia exists, and it may contribute to the development of coronary heart disease.

DOI： 10.1371/journal.pone.0020240

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担当区分：筆頭著者   記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：ACADEMIC PRESS INC ELSEVIER SCIENCE  

Bacterial fimbriae are an important pathogenic factor. It has been demonstrated that fimbrial protein encoded by fimA gene (FimA fimbriae) of Porphyromonas gingivalis not only contributes to the abilities of bacterial adhesion and invasion to host cells, but also strongly stimulates host innate immune responses. However, FimA fimbriae separated from P. gingivalis ATCC 33277 using a gentle procedure showed very weak proinflammatory activity compared with previous reports. Therefore, in the present study, biological characteristics of FimA fimbriae were further analyzed in terms of proinflammatory activity in macrophages. Macrophages differentiated from THP-1 cells were stimulated with native, heat-denatured, or either proteinase- or lipoprotein lipase-treated FimA fimbriae of P. gingivalis ATCC 33277. Stimulating activities of these FimA fimbriae were evaluated by TNF-alpha-inducing activity in the macrophages. To clarify the mode of action of FimA fimbriae, anti-Toll-like receptor (TLR) 2 blocking antibody was added prior to stimulation. Weak stimulatory activity of native FimA fimbriae was enhanced by heat treatment and low-dose proteinase K treatment. Higher dose of proteinase K treatment abrogated this up-regulation. The activity of treated FimA fimbriae was suppressed by anti-TLR2 antibody, and more substantially by lipoprotein lipase treatment. These results suggest that lipoproteins or lipopeptides associated with FimA fimbriae could at least in part account for signaling via TLR2 and subsequent TNF-alpha production in macrophages. (C) 2010 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.bbrc.2010.06.040

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：ELSEVIER SCIENCE BV  

Background: A number of different theories have been postulated to explain the progression of gingivitis to periodontitis in the context of the Th1/Th2 paradigm. However, no consistent results have been obtained. Th17, a new T-cell subset producing IL-17, which is implicated in many aspect of inflammatory tissue destruction, overcomes many of the discrepant findings in the studies related to the Th1/Th2 hypothesis. We compared the gene expression profile of Th17-related molecules in gingivitis and periodontitis lesions showing distinct clinical entities.
Methods: Gingival tissue samples were obtained from 23 gingivitis and 24 periodontitis tissues. The gene expression was measured by using quantitative real-time PCR for IL-17A, IL-17F, CCR4, CCR6, IL-12 p35 and IL-23 p19. The difference of gene expressions between gingivitis and periodontitis was analyzed by Mann-Whitney U-test. Correlations between each gene expression were also analyzed.
Results: The expression level of IL-17A was higher than that of IL-17F and a significant difference in expression between gingivitis and periodontitis was observed only for IL-17A. CCR4 and CCR6 tended to be higher in periodontitis compared with gingivitis, although the differences were not statistically significant. Whereas the gene expression of IL-12 p35 was significantly higher in periodontitis compared with gingivitis, that of IL-23 p19 was not different between the two diseases.
Conclusion: This study demonstrates the elevated expression of IL-17 and IL-12 in periodontitis, i.e.. the tissue destruction form of periodontal diseases, as compared with gingivitis, and provides new insight into the T-cell mediated immunopathogenesis of periodontal disease. (C) 2008 Elsevier B.V. All rights reserved.

DOI： 10.1016/j.cca.2008.06.003

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記述言語：日本語   出版者・発行元：(NPO)日本歯科保存学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯科保存学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：新潟歯学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯科保存学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯科保存学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：英語   出版者・発行元：新潟歯学会  

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記述言語：英語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：英語   掲載種別：研究発表ペーパー・要旨（国際会議）   出版者・発行元：LIPPINCOTT WILLIAMS & WILKINS  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：新潟歯学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯科保存学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：英語   掲載種別：研究発表ペーパー・要旨（国際会議）   出版者・発行元：BIRKHAUSER VERLAG AG  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：新潟歯学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：日本語   出版者・発行元：(NPO)日本歯科保存学会  

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記述言語：日本語   出版者・発行元：新潟歯学会  

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記述言語：日本語   出版者・発行元：日本骨形態計測学会  

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