Výsledky vyhledávání

Design and Basic Characteristics of Pneumatic Rubber Tube Actuator for Colonoscope Insertion

Autor: Ken Ozaki, Koichi Suzumori, Shuichi Wakimoto

Publikováno v: Journal of the Robotics Society of Japan. 29:619-625

Colonoscopy is an important medical action to detect disorders like colon cancer. However generally it is difficult to insert a scope into the colon, because the colon is flexible and complex shape. This study aims at development of an actuator which

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2869f9aae97d71066cf395d7c20e57d
https://doi.org/10.7210/jrsj.29.619

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Stimulatory effect of curcumin on osteoclast apoptosis

Autor: Ken Ozaki, Y Kawata, Shigemasa Hanazawa, Shigeru Amano

Publikováno v: Biochemical Pharmacology. 59:1577-1581

Curcumin is a potent inhibitor of the transcriptional factors activator protein-1 and nuclear factor-kappaB. Since transcriptional factors may play a functional role in the survival of osteoclasts, it was of interest to us to examine the effect of cu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::312b0c2b1a9e70b5cd21bdf5a7e20d03
https://doi.org/10.1016/s0006-2952(00)00277-x

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Transcriptional Regulation by Transforming Growth Factor β of the Expression of Retinoic Acid and Retinoid X Receptor Genes in Osteoblastic Cells Is Mediated through AP-1

Autor: Akira Takeshita, Shigeo Kitano, Yun Chen, Ken Ozaki, Shigemasa Hanazawa

Publikováno v: Journal of Biological Chemistry. 271:31602-31606

We now report that transforming growth factor beta1 (TGF-beta1), a potent regulatory cytokine of bone remodeling, is a powerful stimulator for gene expression of retinoic acid receptors (RARs) and retinoid X receptors (RXRs) in osteoblastic MC3T3-E1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d03ec4e0e9070b79e475952bbcad1652
https://doi.org/10.1074/jbc.271.49.31602

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Novel design of rubber tube actuator improving mountability and drivability for assisting colonosocope insertion

Autor: Yohta Yamamoto, Ken Ozaki, Koichi Suzumori, Shuichi Wakimoto

Publikováno v: ICRA

Recently, colonoscopy has become much more important with increasing number of colonic diseases. However, the inspection time depends on the doctor's skill strongly.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ddf62ad2603ebcf83c90cc179c3f409
https://doi.org/10.1109/icra.2011.5979631

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Effect of Periodontal Associated Bacteria on the Peri-implant Tissue of Osseointegrated Implants

Autor: Katsumi Ikeda, Shigemasa Hanazawa, Kitetsu Shin, Hisao Araki, Shigeo Kitano, Takashi Miyata, Ken Ozaki, Hironobu Sugimoto, Youichi Motomura

Publikováno v: Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology). 35:192-201

本研究は, 歯周疾患関連細菌の骨接合型インプラント周囲組織に対する影響を検索する目的で行った。被験者は, IMZ® インプラントを埋入した21名とし, その24部位のインプラントに付着し

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a84c4eabc0f6f62be19e87a10747614b
https://doi.org/10.2329/perio.35.192

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Porphyromonas gingivalis fimbriae inhibit caspase-3-mediated apoptosis of monocytic THP-1 cells under growth factor deprivation via extracellular signal-regulated kinase-dependent expression of p21 Cip/WAF1

Autor: Ken Ozaki, Shigemasa Hanazawa

Publikováno v: Infection and immunity. 69(8)

Apoptotic regulation of monocytes/macrophages appears to be closely associated with chronic inflammatory reactions. Since it was demonstrated earlier that certain bacterial cell components are involved in apoptotic regulation of these cells, in the p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f808cb949976361098678d7b1e8cdbeb
https://pubmed.ncbi.nlm.nih.gov/11447172

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Sphingomyelinase and ceramide inhibit formation of F-actin ring in and bone resorption by rabbit mature osteoclasts

Autor: Hiroyuki Takeda, Ken Ozaki, Masami Ishida, Shigeo Kitano, Shigemasa Hanazawa, Hirohito Yasuda

Publikováno v: FEBS letters. 422(2)

Recent studies have demonstrated that ceramide plays an important role as a second messenger in many kinds of cells. However, it is not known whether apoptosis of and bone resorption by mature osteoclasts are mediated via sphingomyelinase (SMase) and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e89def86677d6eb582cf2f61a29ddd9d
https://pubmed.ncbi.nlm.nih.gov/9490019

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Interleukin-1 beta and tumor necrosis factor-alpha stimulate synergistically the expression of monocyte chemoattractant protein-1 in fibroblastic cells derived from human periodontal ligament

Autor: Akira Takeshita, Ken Ozaki, Y. Chen, Shigeo Kitano, Shigemasa Hanazawa, K. Nishida, A. Watanabe, Y. Miyata

Publikováno v: Oral microbiology and immunology. 11(2)

The present study demonstrates that interleukin-1 beta (IL-1 beta) and tumor necrosis factor-alpha (TNF-alpha) induce and synergistically stimulate monocyte chemoattractant protein-1 (MCP-1) expression in fibroblasts from human periodontal ligament.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72256b6d731ade1178820467b3a4806f
https://pubmed.ncbi.nlm.nih.gov/8941762

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