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yutaka Saito

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https://www.readbyqxmd.com/read/28614199/wnt-pathway-gene-mutations-are-associated-with-the-presence-of-dysplasia-in-colorectal-sessile-serrated-adenoma-polyps
#1
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...
June 13, 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
#2
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 beta) 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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28543708/comprehensive-characterization-of-rspo-fusions-in-colorectal-traditional-serrated-adenomas
#9
Shigeki Sekine, Reiko Ogawa, Taiki Hashimoto, Motohiro Kojima, Hiroshi Yoshida, Hirokazu Taniguchi, Yutaka Saito, Yasuhiro Ohno, Atsushi Ochiai, Nobuyoshi Hiraoka
AIMS: Traditional serrated adenoma (TSA) is a rare but distinct type of colorectal polyp. Our previous study showed that PTPRK-RSPO3 fusions are frequent and characteristic genetic alterations in TSAs. This study aimed to comprehensively characterize the prevalence and variability of RSPO fusions in colorectal TSAs. METHODS AND RESULTS: We examined RSPO expression and explored novel RSPO fusions in 129 TSAs, including 66 lesions previously analyzed for WNT pathway gene mutations...
May 24, 2017: Histopathology
https://www.readbyqxmd.com/read/28525591/f4-80-macrophages-contribute-to-clearance-of-senescent-cells-in-the-mouse-postpartum-uterus
#10
Mahiro Egashira, Yasushi Hirota, Ryoko Shimizu-Hirota, Tomoko Saito-Fujita, Hirofumi Haraguchi, Leona Matsumoto, Mitsunori Matsuo, Takehiro Hiraoka, Tomoki Tanaka, Shun Akaeda, Chiaki Takehisa, Mayuko Saito-Kanatani, Kei-Ichiro Maeda, Tomoyuki Fujii, Yutaka Osuga
Cellular senescence, defined as an irreversible cell cycle arrest, exacerbates tissue microenvironment. Our previous study demonstrated that mouse uterine senescent cells are physiologically increased according to gestational days and their abnormal accumulation is linked to the onset of preterm delivery. We hypothesized that there is a mechanism for removal of senescent cells after parturition to maintain uterine function. In the current study, we noted abundant uterine senescent cells and their gradual disappearance in the wild-type postpartum mice...
May 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28522906/magnetic-anchor-guidance-for-endoscopic-submucosal-dissection-and-other-endoscopic-procedures
#11
REVIEW
Mohamed Mortagy, Neal Mehta, Mansour A Parsi, Seiichiro Abe, Tyler Stevens, John J Vargo, Yutaka Saito, Amit Bhatt
Endoscopic submucosal dissection (ESD) is a well-established, minimally invasive treatment for superficial neoplasms of the gastrointestinal tract. The universal adoption of ESD has been limited by its slow learning curve, long procedure times, and high risk of complications. One technical challenge is the lack of a second hand that can provide traction, as in conventional surgery. Reliable tissue retraction that exposes the submucosal plane of dissection would allow for safer and more efficient dissection...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28515128/correction-for-iwasaki-et-al-homolactic-acid-fermentation-by-the-genetically-engineered-thermophilic-homoacetogen-moorella-thermoacetica-atcc-39073
#12
Yuki Iwasaki, Akihisa Kita, Koichiro Yoshida, Takahisa Tajima, Shinichi Yano, Tomohiro Shou, Masahiro Saito, Junichi Kato, Katsuji Murakami, Yutaka Nakashimada
No abstract text is available yet for this article.
June 1, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28506238/ten-year-survival-rate-after-rotational-acetabular-osteotomy-in-adulthood-hip-dysplasia
#13
Masamitsu Tomioka, Yutaka Inaba, Naomi Kobayashi, Taro Tezuka, Hyonmin Choe, Hiroyuki Ike, Tomoyuki Saito
BACKGROUND: Rotational acetabular osteotomy (RAO) is an effective joint-preserving surgical treatment for adulthood hip dysplasia (AHD). Despite sufficient correction of acetabular dysplasia, some patients still experience osteoarthritis (OA) progression and require total hip arthroplasty (THA). The purposes of the current study were to investigate the survival rate and the risk factors for OA progression or THA requirement after RAO and to explore whether acetabular overcorrection relates to OA progression...
May 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28504205/comparison-of-clinicopathologic-characteristics-of-gastric-follicular-lymphomas-and-duodenal-follicular-lymphomas
#14
Akiko Miyagi Maeshima, Hirokazu Taniguchi, Tomotaka Suzuki, Sayako Yuda, Kosuke Toyoda, Nobuhiko Yamauchi, Shinichi Makita, Suguru Fukuhara, Wataru Munakata, Dai Maruyama, Yukio Kobayashi, Yutaka Saito, Kensei Tobinai
We compared the incidence, esophagogastroduodenoscopy (EGD) findings, and histopathologic characteristics of gastric and duodenal follicular lymphomas (FL). Of 626 FL cases, primary gastric FL and secondary gastric involvement of FL were observed in 1% and 5% of the cases, respectively, which were lower incidences than duodenal FL (10% and 9%, respectively). Gastric FL usually appeared as submucosal tumors (primary, 71%: secondary, 79%), whereas duodenal FL as granular lesions (primary, 92%: secondary, 87%)...
May 10, 2017: Human Pathology
https://www.readbyqxmd.com/read/28500139/high-versus-low-gradient-severe-aortic-stenosis-demographics-clinical-outcomes-and-effects-of-the-initial-aortic-valve-replacement-strategy-on-long-term-prognosis
#15
Tomohiko Taniguchi, Takeshi Morimoto, Hiroki Shiomi, Kenji Ando, Norio Kanamori, Koichiro Murata, Takeshi Kitai, Yuichi Kawase, Chisato Izumi, Makoto Miyake, Hirokazu Mitsuoka, Masashi Kato, Yutaka Hirano, Shintaro Matsuda, Tsukasa Inada, Kazuya Nagao, Tomoyuki Murakami, Yasuyo Takeuchi, Keiichiro Yamane, Mamoru Toyofuku, Mitsuru Ishii, Eri Minamino-Muta, Takao Kato, Moriaki Inoko, Tomoyuki Ikeda, Akihiro Komasa, Katsuhisa Ishii, Kozo Hotta, Nobuya Higashitani, Yoshihiro Kato, Yasutaka Inuzuka, Chiyo Maeda, Toshikazu Jinnai, Yuko Morikami, Naritatsu Saito, Kenji Minatoya, Takeshi Kimura
BACKGROUND: There is considerable debate on the management of patients with low-gradient severe aortic stenosis (LG-AS), defined as aortic valve area <1 cm(2) with peak aortic jet velocity ≤4.0 m/s, and mean aortic pressure gradient ≤40 mm Hg. METHODS AND RESULTS: In the CURRENT AS registry (Contemporary Outcomes After Surgery and Medical Treatment in Patients With Severe Aortic Stenosis), there were 2097 patients (initial aortic valve replacement [AVR] strategy: n=977, and conservative strategy: n=1120) with high-gradient severe aortic stenosis (HG-AS) and 1712 patients (initial AVR strategy: n=219, and conservative strategy: n=1493) with LG-AS...
May 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28488727/differences-in-sodium-fluoride-18-uptake-in-the-normal-skeleton-depending-on-the-location-and-characteristics-of-the-bone
#16
Shintaro Nawata, Tomohiro Kaneta, Matsuyoshi Ogawa, Yoshinobu Ishiwata, Naomi Kobayashi, Ayako Shishikura-Hino, Keisuke Yoshida, Yutaka Inaba, Tomoyuki Saito, Tomio Inoue
AIM: The aim of this study was to evaluate the normal distribution of sodium fluoride-18 (NaF-18) and to clarify the differences in uptake according to location and the type of the bone using positron emission tomography (PET) / computed tomography (CT). METHODS: We retrospectively reviewed NaF-18 PET/CT images from 30 patients with hip joint disorders. PET/CT scans were performed 40 min after injection of approximately 185 MBq of NaF-18. To evaluate the relationship between the distribution of NaF-18 uptake and bone density, we compared the maximum standardised uptake values (SUVmax) on PET and the Hounsfield Units (HUs) on CT of the lumbar vertebra, ilium, and proximal and distal femurs...
May 10, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/28487611/performance-of-18-fluoro-2-deoxyglucose-positron-emission-tomography-for-esophageal-cancer-screening
#17
Masau Sekiguchi, Takashi Terauchi, Yasuo Kakugawa, Naoki Shimada, Yutaka Saito, Takahisa Matsuda
AIM: To evaluate the performance of 18-fluoro-2-deoxyglucose positron emission tomography (FDG-PET) for esophageal cancer (EC) screening. METHODS: We retrospectively analyzed the data of consecutive asymptomatic individuals who underwent FDG-PET and esophagogastroduodenoscopy (EGD) simultaneously for cancer screening at our institution from February 2004 to March 2013. In total, 14790 FDG-PET and EGD procedures performed for 8468 individuals were included in this study, and the performance of FDG-PET for EC screening was assessed by comparing the results of FDG-PET and EGD, considering the latter as the reference...
April 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28469525/recommendation-of-repeated-ammonia-tests-for-intrahepatic-portal-systemic-shunt-without-cirrhosis-in-elderly-patients-with-psychiatric-symptoms
#18
Michiaki Abe, Temma Soga, Nobuya Obana, Kazumasa Seiji, Masao Tabata, Natsumi Saito, Ryutaro Arita, Takehiro Numata, Junichi Tanaka, Hitoshi Kuroda, Shin Takayama, Yutaka Kagaya, Tadashi Ishii
We report an elderly male patient with hyperammonemia induced by intrahepatic portal-systemic shunt without cirrhosis (IPSSwoC). The occasional emergence of his erratic behaviors was misdiagnosed as a psychiatric disorder. Regardless of his uneven symptoms, IPSSwoC was suspected due to his hyperammonemia. The contrast computed tomography of the abdomen revealed a congenital type of IPSSwoC. As blood ammonia levels are inconstant, repeated blood tests are recommended when this disease is suspected in elderly patients with psychiatric symptoms...
2017: Japanese Clinical Medicine
https://www.readbyqxmd.com/read/28447052/what-is-the-optimal-colorectal-cancer-screening-program-for-an-average-risk-population
#19
EDITORIAL
Masau Sekiguchi, Takahisa Matsuda, Yutaka Saito
No abstract text is available yet for this article.
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28420814/cell-adhesion-molecule-1-cadm1-expressed-on-adult-t-cell-leukemia-lymphoma-cells-is-not-involved-in-the-interaction-with-macrophages
#20
Yoshihiro Komohara, Chaoya Ma, Hiromu Yano, Cheng Pan, Hasita Horlad, Yoichi Saito, Koji Ohnishi, Yukio Fujiwara, Yutaka Okuno, Kisato Nosaka, Shunsuke Shimosaki, Kazuhiro Morishita, Masao Matsuoka, Tomohiko Wakayama, Motohiro Takeya
Cell adhesion molecule 1 (CADM1) is a cell adhesion molecule that is expressed in brain, liver, lung, testis, and some kinds of cancer cells including adult T-cell leukemia/lymphoma (ATLL). Recent studies have indicated the involvement of CADM1 in cell-cell contact between cytotoxic T-lymphocytes and virus infected cells. We previously reported that cell-cell interaction between lymphoma cells and macrophages induces lymphoma cell proliferation. In the present study, we investigated whether CADM1 is associated with cell-cell interaction between several human lymphoma cell lines and macrophages...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
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