Faculty Profiles - KATO, Ryuji

Papers - KATO, Ryuji

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Orientation based segmentation for phase-contrast microscopic image of confluent cell Reviewed

Sasaki Kei, Yuasa Tetsuya, Sasaki Hiroto, Kato Ryuji

2013 35TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) page： 3323 - 3326 2013

Combinational risk factors ofmetabolic syndrome identified by fuzzy neural network analysis of health-checkdata. Reviewed Open Access

Ushida Yasunori, Kato Ryuji, Niwa Kosuke, Tanimura Daisuke, Izawa Hideo, Yasui Kenji, Takase Tomokazu, Yoshida Yasuko, Kawase Mitsuo, Yoshida Tsutomu, Murohara Toyoaki, Honda Hiroyuki

BMC MEDICAL INFORMATICS AND DECISION MAKING Vol. 12 ( 1 ) page： 80 2012.8

Screening for silver nanoparticle-binding peptides by using a peptide array Reviewed

Kuboyama Masashi, Kato Ryuji, Okochi Mina, Honda Hiroyuki

BIOCHEMICAL ENGINEERING JOURNAL Vol. 66 page： 73 - 77 2012.7

Collagen type IV-specific tripeptides forselective adhesion of endothelial and smooth muscle cells. Reviewed

Kanie Kei, Narita Yuji, Zhao Yingzi, Kuwabara Fumiaki, Satake Makoto, Honda Susumu, Kaneko Hiroaki, Yoshioka Tomohiko, Okochi Mina, Honda Hiroyuki, Kato Ryuji

BIOTECHNOLOGY AND BIOENGINEERING Vol. 109 ( 7 ) page： 1808 - 1816 2012.7

Screening of an α-amylaseinhibitor peptide by photolinker-peptide array. Reviewed

Ochiai Takashi, Sugita Tomoya, Kato Ryuji, Okochi Mina, Honda Hiroyuki

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY Vol. 76 ( 4 ) page： 819 - 824 2012.4

Cell-Selective Peptide Distribution in Human Collagen Proteins Reviewed Open Access

KOBUNSHI RONBUNSHU Vol. 69 ( 3 ) page： 129 - 134 2012.3

Authorship：Last author,　Corresponding author Publisher：The Society of Polymer Science, Japan

To reduce risks in vascular implants, the design of effective coating polymer for balancing the organization and growth of surrounding cells is important. To design such polymer by learning the mechanism of native extracellular matrix (ECM), we had investigated ECM-specific peptides with cell-selectivity to control the adhesion balance of endothelial cells (ECs) and smooth muscle cells (SMCs). From our high-throughput comparative screening using <i>in silico</i> analysis and peptide array screening platform, we had found that there are various types of EC-selective and SMC-selective peptides in human collagen type IV. In this report, we mapped the distribution of obtained EC-and SMC-selective peptides in the collagen, and extracted a new design policy of cell-selective polymers for medical implant surface modification.<br>

DOI： 10.1295/koron.69.129

Open Access

Scopus

CiNii Research

Segmentation and feature extraction of cell images with phase-contrast microscope

IEICE TECHNICAL REPORT Vol. 111 ( 389 ) page： 343 - 348 2012.1

Publisher：The Institute of Electronics, Information and Communication Engineers

We preliminarily constructed a software system to automatically segment cellular regions from phase-contrast microscopic imagery and then to extract the cellular shape features at high speed. Generally, it is difficult to segment cellular regions from phase-contrast microscopic images, because of halo around object and inhomogeneous background, while phase-contrast microscopy is suitable for real-time cellular monitoring. First, we proposed a segmentation method with morphological filters. Then, we devised fast algorithms to calculate cellular features based on chain-code acquired from the segmented image. Finally, we evaluated the performance of proposed method using F-value by comparing the result by the proposed method with the result obtained manually by an expert.

CiNii Research

Image-based cell quality assessment: Modeling of cell morphology and quality for clinical cell therapy Reviewed

Sasaki Hiroto, Matsuoka Fumiko, Yamamoto Wakana, Kojima Kenji, Honda Hiroyuki, Kato Ryuji

COMPUTATIONAL MODELING IN TISSUE ENGINEERING Vol. 10 page： 207 - 226 2012.1

Novel small-caliber vascular grafts with trimeric peptide for acceleration of endothelialization. Reviewed

Kuwabara Fumiaki, Narita Yuji, Yamawaki-Ogata Aika, Kanie Kei, Kato Ryuji, Satake Makoto, Kaneko Hiroaki, Oshima Hideki, Usui Akihiko, Ueda Yuichi

ANNALS OF THORACIC SURGERY Vol. 93 ( 1 ) page： 156 - 163 2012.1

Enhancement of the Activity of a Lactobacilli-Aggregating Peptide by Freezing Treatment Reviewed

Asai Yuji, Sugita Tomoya, Kato Ryuji, Okochi Mina, Nakagawa Kyuya, Honda Hiroyuki

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN Vol. 45 ( 8 ) page： 609 - 614 2012

Screening of peptides with a high affinity to bile acids using peptide arraysand a computational analysis. Reviewed

Takeshita Toshiyuki, Okochi Mina, Kato Ryuji, Kaga Chiaki, Tomita Yasuyuki, Nagaoka Satoshi, Honda Hiroyuki

JOURNAL OF BIOSCIENCE AND BIOENGINEERING Vol. 112 ( 1 ) page： 92 - 97 2011.4

The ratio of adiponectinto homeostasis model assessment of insulin resistance is a powerful index ofeach component of metabolic syndrome in an aged Japanese population resultsfrom the KING Study. Reviewed

Nakatochi Masahiro, Miyata Seiko, Tanimura Daisuke, Izawa Hideo, Asano Hiroyuki, Murase Yosuke, Kato Ryuji, Ichihara Sahoko, Naruse Keiko, Matsubara Tatsuaki, Honda Hiroyuki, Yokota Mitsuhiro

DIABETES RESEARCH AND CLINICAL PRACTICE Vol. 92 ( 3 ) page： 61 - 65 2011.3

Amino acid sequence preferences to control cell-specific organization of endothelial cells, smooth muscle cells, and fibroblasts. Reviewed International journal

Kanie Kei, Kato Ryuji, Zhao Yingzi, Narita Yuji, Okochi Mina, Honda Hiroyuki

JOURNAL OF PEPTIDE RESEARCH Vol. 17 ( 6 ) page： 479 - 486 2011.2

Gingival and dermal fibroblasts their similarities anddifferences revealed from gene expression. Reviewed

Ebisawa Katsumi, Kato Ryuji, Okada Mai, Sugimura Tomotaka, Abdul Latif Mazlyzam, Hori Yusuke, Narita Yuji, Ueda Minoru, Honda Hiroyuki, Kagami Hideaki

JOURNAL OF BIOSCIENCE AND BIOENGINEERING Vol. 111 ( 3 ) page： 255 - 258 2011.2

Peptide array-based peptide-cell interaction analysis. Reviewed International journal

Kato Ryuji, Kaga Chiaki, Kanie Kei, Kunimatsu Mitoshi, Okochi Mina, Honda Hiroyuki

MINI-REVIEWS OF ORGANIC CHEMISTRY Vol. 8 ( 2 ) page： 171 - 177 2011

Screening ofpeptides with a high affinity for ZnO using spot-synthesized peptide arrays andcomputational analysis. Reviewed International journal

Okochi Mina, Ogawa Masatoshi, Kaga Chiaki, Sugita Tomoya, Tomita Yasuaki, Kato Ryuji< Honda Hiroyuki

ACTA BIOMATERIALIA Vol. 6 ( 6 ) page： 2301 - 2306 2010.12

Acompact, automated cell culture system for clinical scale cell expansion fromprimary tissues. Reviewed International journal

Kato Ryuji, Iejima Daisuke, Agata Hideki, Asahina Izumi, Okada Kunihiko, Ueda Minoru, Honda Hiroyuki, Kagami Hideaki

TISSUE ENGINEERING PART C METHODS Vol. 16 ( 5 ) page： 947 - 956 2010.11

Novel strategy for prevention ofesophageal stricture after endoscopic surgery. Reviewed International journal

Mizutani Taro, Tadauchi Akimitsu, Arinobe Manabu, Narita Yuji, Kato Ryuji, Niwa Yasumasa, Ohmiya Naoki, Itoh Akihiro, Hirooka Yoshiki, Honda Hiroyuki, Ueda Minoru, Goto Hidemi

HEPATOGASTROENTEROLOGY Vol. 57 ( 102-103 ) page： 1150 - 1156 2010.9

Practical cell labeling with magnetitecationic liposomes for cell manipulation. Reviewed International journal

Ito Hiroshi, Nonogaki Yurika, Kato Ryuji, Honda Hiroyuki

JOURNAL OF BIOSCIENCE AND BIOENGINEERING Vol. 110 ( 1 ) page： 124 - 129 2010.2

Directed evolution of angiotensin II-inhibiting peptides using a microbeaddisplay. Reviewed International journal

Gan Rui, Furuzawa Seiji, Kojima Takaaki, Kanie Keie, Kato Ryuji, Okochi Mina, Honda Hiroyuki, Nakano Hideo

JOURNAL OF BIOSCIENCE AND BIOENGINEERING Vol. 109 ( 4 ) page： 411 - 417 2009.11

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Papers - KATO, Ryuji