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yutaka Saito

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https://www.readbyqxmd.com/read/28817408/reactive-osteochondromatous-lesion-of-the-femoral-neck-in-a-highly-active-preadolescent-patient-is-this-the-pathogenesis-of-a-cam-deformity
#1
Yoko Matsuda, Naomi Kobayashi, Yutaka Inaba, So Kubota, Yohei Yukizawa, Hyonmin Choe, Ikuma Kato, Kenichi Ohashi, Tomoyuki Saito
Here, we present a rare case of a preadolescent boy with a prominent bony bump on the femoral neck. The main histological feature was concordant with a reactive osteochondromatous lesion possibly induced by repetitive microtrauma, probably because of overtraining as a soccer goalkeeper. The nature of this pathological change is consistent with the growth of a cam deformity. Especially in the preadolescent age group, we should note that repetitive use of the same joint kinematics may induce a prominent cam deformity...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28782001/effectiveness-of-computer-aided-diagnosis-of-colorectal-lesions-using-novel-software-for-magnifying-narrow-band-imaging-a-pilot-study
#2
Naoto Tamai, Yutaka Saito, Taku Sakamoto, Takeshi Nakajima, Takahisa Matsuda, Kazuki Sumiyama, Hisao Tajiri, Ryosuke Koyama, Shoji Kido
BACKGROUND AND STUDY AIMS:  Magnifying narrow-band imaging (M-NBI) enables detailed observation of microvascular architecture and can be used in endoscopic diagnosis of colorectal lesion. However, in clinical practice, differential diagnosis and estimation of invasion depth of colorectal lesions based on M-NBI findings require experience. Therefore, developing computer-aided diagnosis (CAD) for M-NBI would be beneficial for clinical practice. The aim of this study was to evaluate the effectiveness of software for CAD of colorectal lesions...
August 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28771444/radiotherapy-for-t3n0-glottic-carcinoma-without-cord-fixation-elective-nodal-irradiation-or-not
#3
Ryo Toya, Ryuji Murakami, Daizo Murakami, Tetsuo Saito, Tomohiko Matsuyama, Yutaka Toya, Yasuyuki Yamashita, Natsuo Oya
BACKGROUND: Although the T3 category has been changed in the sixth edition of the TNM staging system proposed by the Union for International Cancer Control (UICC), the appropriate clinical target volume (CTV) of elective nodal irradiation (ENI) for T3N0 glottic carcinoma without cord fixation, which was formerly treated as a T1-2N0 disease, is not fully discussed. MATERIALS AND METHODS: We retrospectively analyzed 64 patients staged or restaged as T3N0 disease without cord fixation...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28757548/the-role-of-epigenetic-regulation-in-epstein-barr-virus-associated-gastric-cancer
#4
REVIEW
Jun Nishikawa, Hisashi Iizasa, Hironori Yoshiyama, Munetaka Nakamura, Mari Saito, Sho Sasaki, Kanami Shimokuri, Masashi Yanagihara, Kouhei Sakai, Yutaka Suehiro, Takahiro Yamasaki, Isao Sakaida
The Epstein-Barr virus (EBV) is detected in about 10% of gastric carcinoma cases throughout the world. In EBV-associated gastric carcinoma (EBVaGC), all tumor cells harbor the clonal EBV genome. The expression of latent EBV genes is strictly regulated through the methylation of EBV DNA. The methylation of viral DNA regulates the type of EBV latency, and methylation of the tumor suppressor genes is a key abnormality in EBVaGC. The methylation frequencies of several tumor suppressor genes and cell adhesion molecules are significantly higher in EBVaGC than in control cases...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28744940/report-of-the-international-symposiums-at-the-93rd-congress-of-japan-gastroenterological-endoscopy-society-in-osaka-2017
#5
EDITORIAL
Satoki Shichijo, Noriya Uedo, Yutaka Saito
In this session, each speaker presented papers about training situations from various countries including USA, Sweden, Philippine, Latin America, Vietnam, Cambodia, Hong Kong, and Japan, each followed by a short discussion on the topic. This session allowed Japanese and foreign experts to exchange opinions and improve mutual understanding (Table 1). This article is protected by copyright. All rights reserved.
July 26, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28726517/robot-assisted-tumor-resection-devices
#6
Yutaka Saito, Kazuki Sumiyama, Philip Wai Yan
In Japan, colorectal endoscopic submucosal dissection (ESD) is being conducted safely and effectively as shown by the increased number of the cases, however, it is still regarded as a complicated and challenging procedure. Therefore, piecemeal endoscopic mucosal resection (p-EMR) is still regarded as an appropriate treatment, rather than ESD for large colorectal tumors, especially in Western countries. Areas covered: There are several factors that are responsible for colorectal ESD difficulty. Firstly, there is no adequate traction or counter-traction in colorectal ESD...
July 20, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28713066/approaches-for-stricture-prevention-after-esophageal-endoscopic-resection
#7
REVIEW
Seiichiro Abe, Prasad G Iyer, Ichiro Oda, Nobuo Kanai, Yutaka Saito
BACKGROUND AND AIMS: Endoscopic resection of extensive esophageal lesions has become more common as endoscopic resection techniques and equipment has developed. However, extensive esophageal endoscopic resections can cause postoperative esophageal strictures, which have a negative impact on the quality of life of patients. We aimed to review current treatments and innovative approaches to prevent esophageal strictures after widespread endoscopic resection of esophageal lesions. METHODS: We performed a comprehensive literature search using predetermined search terms from 2000 to 2016 to identify relevant articles and summarized their results as a narrative review...
July 13, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28711340/revision-total-hip-arthroplasty-using-the-kerboull-acetabular-reinforcement-device-and-structural-allograft-for-severe-defects-of-the-acetabulum
#8
Hiroyuki Makita, Marcel Kerboull, Yutaka Inaba, Taro Tezuka, Tomoyuki Saito, Luc Kerboull
BACKGROUND: The purpose of this study is to review our experience with Kerboull reinforcement device combined with bulk allograft for management of severe acetabular defects. METHODS: We investigated the results of revision total hip arthroplasty (THA) in 65 hips of 59 patients (10 male, 49 female) with Paprosky type 3A or 3B acetabular bone defects. Functional outcome was assessed using the Merle d'Aubigne hip score. Post-operative radiographs were examined for evidence of cup loosening...
June 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28701223/low-dose-immunoglobulin-g-is-not-associated-with-mortality-in-patients-with-sepsis-and-septic-shock
#9
Yusuke Iizuka, Masamitsu Sanui, Yusuke Sasabuchi, Alan Kawarai Lefor, Mineji Hayakawa, Shinjiro Saito, Shigehiko Uchino, Kazuma Yamakawa, Daisuke Kudo, Kohei Takimoto, Toshihiko Mayumi, Takeo Azuhata, Fumihito Ito, Shodai Yoshihiro, Katsura Hayakawa, Tsuyoshi Nakashima, Takayuki Ogura, Eiichiro Noda, Yoshihiko Nakamura, Ryosuke Sekine, Yoshiaki Yoshikawa, Motohiro Sekino, Keiko Ueno, Yuko Okuda, Masayuki Watanabe, Akihito Tampo, Nobuyuki Saito, Yuya Kitai, Hiroki Takahashi, Iwao Kobayashi, Yutaka Kondo, Wataru Matsunaga, Sho Nachi, Toru Miike, Hiroshi Takahashi, Shuhei Takauji, Kensuke Umakoshi, Takafumi Todaka, Hiroshi Kodaira, Kohkichi Andoh, Takehiko Kasai, Yoshiaki Iwashita, Hideaki Arai, Masato Murata, Masahiro Yamane, Kazuhiro Shiga, Naoto Hori
BACKGROUND: The administration of low-dose intravenous immunoglobulin G (IVIgG) (5 g/day for 3 days; approximate total 0.3 g/kg) is widely used as an adjunctive treatment for patients with sepsis in Japan, but its efficacy in the reduction of mortality has not been evaluated. We investigated whether the administration of low-dose IVIgG is associated with clinically important outcomes including intensive care unit (ICU) and in-hospital mortality. METHODS: This is a post-hoc subgroup analysis of data from a retrospective cohort study, the Japan Septic Disseminated Intravascular Coagulation (JSEPTIC DIC) study...
July 13, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28693592/bone-metabolism-and-inflammatory-characteristics-in-14-cases-of-chronic-nonbacterial-osteomyelitis
#10
Yurika Ata, Yutaka Inaba, Hyonmin Choe, Naomi Kobayashi, Jiro Machida, Naoyuki Nakamura, Tomoyuki Saito
BACKGROUND: Chronic nonbacterial osteomyelitis (CNO) is a multifocal autoinflammatory disease that often impairs daily life in children. This study aimed to investigate the bone metabolic and inflammatory characteristics of patients with CNO, and to assess the differences between responders and nonresponders to conservative treatment. METHODS: We investigated the clinical symptoms; laboratory data including inflammatory and bone metabolic biomarkers; and imaging findings from plain radiography, magnetic resonance imaging (MRI), fluorodeoxyglucose-positron emission tomography (FDG-PET), and dual-energy x-ray absorption (DEXA) in 14 patients with CNO...
July 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28688810/the-risk-assessment-of-pathological-fracture-in-the-proximal-femur-using-a-ct-based-finite-element-method
#11
Yusuke Kawabata, Kosuke Matsuo, Yutaka Nezu, Takayuki Kamiishi, Yutaka Inaba, Tomoyuki Saito
BACKGROUND: Patients who have lytic bone lesions in their proximal femurs are at risk for pathological fracture. Lesions with high fracture risk are surgically treated using prophylactic osteosynthesis, whereas low-risk lesions are treated conservatively. However, it is difficult to discriminate between high- and low-risk lesions based on clinical and radiographic findings. The computed tomography (CT)-based finite element (FE) models are useful for predicting the fracture load on proximal femoral lytic lesions...
July 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28687991/retrospective-analysis-of-prognostic-factors-for-waldenstr%C3%B3-m-macroglobulinemia-a-multicenter-cooperative-study-in-japan
#12
Akio Saito, Atsushi Isoda, Masaru Kojima, Akihiko Yokohama, Yutaka Tsukune, Makoto Sasaki, Shigeki Ito, Akihiro Ohtsu, Michiaki Koike, Kayoko Murayama, Keiichi Moriya, Hideto Tamura, Morio Matsumoto, Hirotaka Nakahashi, Sakae Tanosaki, Tohru Sakura, Toshihide Kawamura, Tomomi Miyanaga, Naoya Nakamura, Hirokazu Murakami, Hiroshi Handa, Norifumi Tsukamoto
Although population-based cancer registries have reported lower incidence of Waldenstrӧm macroglobulinemia (WM) in East Asia than in Western countries, previous retrospective analyses have found the clinical features of WM to be similar in these two populations. To clarify the characteristics of Japanese WM patients, we retrospectively analyzed clinical and laboratory characteristics, treatments, outcomes, and prognostic factors in 93 patients with WM. Based on the Second International Workshop on WM (IWWM-2) criteria, symptomatic WM was found in 73 (78...
July 7, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28614199/wnt-pathway-gene-mutations-are-associated-with-the-presence-of-dysplasia-in-colorectal-sessile-serrated-adenoma-polyps
#13
Taiki Hashimoto, Satoshi Yamashita, Hiroshi Yoshida, Hirokazu Taniguchi, Toshikazu Ushijima, Tesshi Yamada, Yutaka Saito, Atsushi Ochiai, Shigeki Sekine, Nobuyoshi Hiraoka
Sessile serrated adenoma/polyps (SSA/Ps) are believed to be the major precursor of serrated pathway-derived colorectal carcinomas. To better characterize the process of progression from SSA/Ps to carcinomas, we analyzed 46 SSA/Ps with dysplasia and 45 SSA/Ps without dysplasia using targeted next-generation sequencing and immunohistochemistry. Among the WNT pathway genes analyzed, protein-truncating mutations of RNF43, APC, and ZNRF3 were identified in 23 (50%), 4 (9%), and 3 (7%) SSA/Ps with dysplasia, respectively...
September 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28613983/azithromycin-attenuates-myofibroblast-differentiation-and-lung-fibrosis-development-through-proteasomal-degradation-of-nox4
#14
Kazuya Tsubouchi, Jun Araya, Shunsuke Minagawa, Hiromichi Hara, Akihiro Ichikawa, Nayuta Saito, Tsukasa Kadota, Nahoko Sato, Masahiro Yoshida, Yusuke Kurita, Kenji Kobayashi, Saburo Ito, Yu Fujita, Hirofumi Utsumi, Haruhiko Yanagisawa, Mitsuo Hashimoto, Hiroshi Wakui, Yutaka Yoshii, Takeo Ishikawa, Takanori Numata, Yumi Kaneko, Hisatoshi Asano, Makoto Yamashita, Makoto Odaka, Toshiaki Morikawa, Katsutoshi Nakayama, Yoichi Nakanishi, Kazuyoshi Kuwano
Accumulation of profibrotic myofibroblasts is involved in the process of fibrosis development during idiopathic pulmonary fibrosis (IPF) pathogenesis. TGFB (transforming growth factor β) is one of the major profibrotic cytokines for myofibroblast differentiation and NOX4 (NADPH oxidase 4) has an essential role in TGFB-mediated cell signaling. Azithromycin (AZM), a second-generation antibacterial macrolide, has a pleiotropic effect on cellular processes including proteostasis. Hence, we hypothesized that AZM may regulate NOX4 levels by modulating proteostasis machineries, resulting in inhibition of TGFB-associated lung fibrosis development...
June 14, 2017: Autophagy
https://www.readbyqxmd.com/read/28610869/colorectal-endoscopic-submucosal-dissection-and-its-journey-to-the-west
#15
EDITORIAL
Yutaka Saito, Amit Bhatt, Takahisa Matsuda
No abstract text is available yet for this article.
July 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28605498/effect-of-home-blood-pressure-on-inducing-remission-regression-of-microalbuminuria-in-patients-with-type-2-diabetes-mellitus
#16
Motonobu Nishimura, Yasuhisa Kato, Tsuyoshi Tanaka, Hideki Taki, Atsuhito Tone, Kazunori Yamada, Seiji Suzuki, Miho Saito, Yutaka Ando, Yoshiharu Hoshiyama
BACKGROUND: The Home Blood Pressure for Diabetic Nephropathy study is a prospective observational study conducted to determine the effect of home blood pressure (HBP) on remission/regression of microalbuminuria in patients with type 2 diabetes mellitus (DM). METHODS: Patients with type 2 DM having microalbuminuria were followed-up for 3 years. Remission of microalbuminuria was defined as shift from microalbuminuria to normoalbuminuria. Regression of microalbuminuria was defined as a 50% reduction in urinary albumin-creatinine ratio from baseline...
June 10, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28588386/detection-of-novel-qtls-qdth4-5-and-qdth6-3-which-confer-late-heading-under-short-day-conditions-by-ssr-marker-based-and-qtl-seq-analysis
#17
Eri Ogiso-Tanaka, Tsuyoshi Tanaka, Keisuke Tanaka, Yasunori Nonoue, Takuji Sasaki, Erina Fushimi, Yohei Koide, Yutaka Okumoto, Masahiro Yano, Hiroki Saito
Heading date is one of the most important traits in rice breeding. It is governed by multiple genes, including known quantitative trait loci (QTLs). In general, almost all japonica cultivars, including Nipponbare, head early under short-day (SD) conditions, but some indica cultivars, including Kasalath, head late. To explain this difference, we identified QTLs controlling heading date under SD conditions. We used NILs, CSSLs, and BILs from a cross between Nipponbare and Kasalath, and evaluated days to heading (DTH) under SD conditions...
March 2017: Breeding Science
https://www.readbyqxmd.com/read/28585801/microneedle-ph-sensor-direct-label-free-real-time-detection-of-cerebrospinal-fluid-and-bladder-ph
#18
Ganesh Kumar Mani, Kousei Miyakoda, Asuka Saito, Yutaka Yasoda, Kagemasa Kajiwara, Minoru Kimura, Kazuyoshi Tsuchiya
Acid-base homeostasis (body pH) inside the body is precisely controlled by the kidneys and lungs and buffer systems, such that even a minor pH change could severely affect many organs. Blood and urine pH tests are common in day-to-day clinical trials and require little effort for diagnosis. There is always a great demand for in vivo testing to understand more about body metabolism and to provide effective diagnosis and therapy. In this article, we report the simple fabrication of microneedle-based direct, label-free, and real-time pH sensors...
June 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28577568/pirfenidone-inhibits-myofibroblast-differentiation-and-lung-fibrosis-development-during-insufficient-mitophagy
#19
Yusuke Kurita, Jun Araya, Shunsuke Minagawa, Hiromichi Hara, Akihiro Ichikawa, Nayuta Saito, Tsukasa Kadota, Kazuya Tsubouchi, Nahoko Sato, Masahiro Yoshida, Kenji Kobayashi, Saburo Ito, Yu Fujita, Hirofumi Utsumi, Haruhiko Yanagisawa, Mitsuo Hashimoto, Hiroshi Wakui, Yutaka Yoshii, Takeo Ishikawa, Takanori Numata, Yumi Kaneko, Hisatoshi Asano, Makoto Yamashita, Makoto Odaka, Toshiaki Morikawa, Katsutoshi Nakayama, Kazuyoshi Kuwano
BACKGROUND: Pirfenidone (PFD) is an anti-fibrotic agent used to treat idiopathic pulmonary fibrosis (IPF), but its precise mechanism of action remains elusive. Accumulation of profibrotic myofibroblasts is a crucial process for fibrotic remodeling in IPF. Recent findings show participation of autophagy/mitophagy, part of the lysosomal degradation machinery, in IPF pathogenesis. Mitophagy has been implicated in myofibroblast differentiation through regulating mitochondrial reactive oxygen species (ROS)-mediated platelet-derived growth factor receptor (PDGFR) activation...
June 2, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28559020/establishment-and-characterization-of-a-clear-cell-odontogenic-carcinoma-cell-line-with-ewsr1-atf1-fusion-gene
#20
Satoko Kujiraoka, Takaaki Tsunematsu, Yukiko Sato, Maki Yoshida, Ayataka Ishikawa, Rei Tohyama, Michio Tanaka, Yutaka Kobayashi, Tomoyuki Kondo, Aya Ushio, Kunihiro Otsuka, Mie Kurosawa, Masako Saito, Akiko Yamada, Rieko Arakaki, Hirokazu Nagai, Hiromasa Nikai, Kengo Takeuchi, Toshitaka Nagao, Youji Miyamoto, Naozumi Ishimaru, Yasusei Kudo
OBJECTIVE: Clear cell odontogenic carcinoma (CCOC) is a rare malignant odontogenic tumor (MOT) characterized by sheets and lobules of vacuolated and clear cells. To understand the biology of CCOC, we established a new cell line, CCOC-T, with EWSR1-ATF1 fusion gene from a mandible tumor with distant metastasis and characterized this cell line. MATERIALS AND METHODS: To detect the EWSR1-ATF1 fusion gene, we used three CCOC cases, including the present case, by RT-PCR and FISH analysis...
June 2017: Oral Oncology
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