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Yagi hiroshi

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https://www.readbyqxmd.com/read/28062665/genome-wide-association-studies-identify-prkcb-as-a-novel-genetic-susceptibility-locus-for-primary-biliary-cholangitis-in-the-japanese-population
#1
Minae Kawashima, Yuki Hitomi, Yoshihiro Aiba, Nao Nishida, Kaname Kojima, Yosuke Kawai, Hitomi Nakamura, Atsushi Tanaka, Mikio Zeniya, Etsuko Hashimoto, Hiromasa Ohira, Kazuhide Yamamoto, Masanori Abe, Kazuhiko Nakao, Satoshi Yamagiwa, Shuichi Kaneko, Masao Honda, Takeji Umemura, Takafumi Ichida, Masataka Seike, Shotaro Sakisaka, Masaru Harada, Osamu Yokosuka, Yoshiyuki Ueno, Michio Senju, Tatsuo Kanda, Hidetaka Shibata, Takashi Himoto, Kazumoto Murata, Yasuhiro Miyake, Hirotoshi Ebinuma, Makiko Taniai, Satoru Joshita, Toshiki Nikami, Hajime Ota, Hiroshi Kouno, Hirotaka Kouno, Makoto Nakamuta, Nobuyoshi Fukushima, Motoyuki Kohjima, Tatsuji Komatsu, Toshiki Komeda, Yukio Ohara, Toyokichi Muro, Tsutomu Yamashita, Kaname Yoshizawa, Yoko Nakamura, Masaaki Shimada, Noboru Hirashima, Kazuhiro Sugi, Keisuke Ario, Eiichi Takesaki, Atsushi Naganuma, Hiroshi Mano, Haruhiro Yamashita, Kouki Matsushita, Kazuhiko Yamauchi, Fujio Makita, Hideo Nishimura, Kiyoshi Furuta, Naohiro Takahashi, Masahiro Kikuchi, Naohiko Masaki, Tomohiro Tanaka, Sumito Tamura, Akira Mori, Shintaro Yagi, Ken Shirabe, Atsumasa Komori, Kiyoshi Migita, Masahiro Ito, Shinya Nagaoka, Seigo Abiru, Hiroshi Yatsuhashi, Michio Yasunami, Shinji Shimoda, Kenichi Harada, Hiroto Egawa, Yoshihiko Maehara, Shinji Uemoto, Norihiro Kokudo, Hajime Takikawa, Hiromi Ishibashi, Kazuaki Chayama, Masashi Mizokami, Masao Nagasaki, Katsushi Tokunaga, Minoru Nakamura
A previous genome-wide association study (GWAS) performed in 963 Japanese individuals (487 primary biliary cholangitis [PBC] cases and 476 healthy controls) identified TNFSF15 (rs4979462) and POU2AF1 (rs4938534) as strong susceptibility loci for PBC. In this study, we performed GWAS in an additional 1,923 Japanese individuals (894 PBC cases and 1,029 healthy controls), and combined the results with the previous data. This GWAS, together with a subsequent replication study in an independent set of 7,024 Japanese individuals (512 PBC cases and 6,512 healthy controls), identified PRKCB (rs7404928) as a novel susceptibility locus for PBC (odds ratio [OR] = 1...
January 5, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28053897/effects-of-a-supplement-combining-pycnogenol-%C3%A2-and-l-arginine-aspartate-on-lower-urinary-dysfunction-compared-with-saw-palmetto-extract
#2
Hiroshi Yagi, Ryo Sato, Kojiro Nishio, Gaku Arai, Shigehiro Soh, Hiroshi Okada
OBJECTIVES: Lower urinary tract symptoms (LUTS) and sexual dysfunction (SDys) are common problems that affect quality of life (QOL) in elderly men. In addition to prescribed drugs, many over-the-counter medications including supplements are used to treat QOL diseases. Phosphodiesterase inhibitors are reported to be effective for both LUTS and SDys by increasing nitric oxide levels. French maritime pine bark extract Pycnogenol(®), which is a potent nitric oxide donor, is reported to be effective for SDys...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28024739/pneumococcal-biliary-tract-infections-how-rare-are-they
#3
Hiroshi Morioka, Mitsutaka Iguchi, Mitsuru Oodate, Masaki Yoneda, Futoshi Ushijima, Aki Hirabayashi, Nobuyuki Tetsuka, Yuka Tomita, Daizo Kato, Tetsuya Yagi
Pneumococcal biliary tract infections (PBTIs) were reported as rare due to the bacterium's bile solubility. The purpose of this study was to determine the occurrence and clinical characteristics of PBTIs. A retrospective case series review was conducted from January 2006 to August 2014 at a tertiary referral university hospital in Japan. Patients with a blood or bile culture positive for Streptococcus pneumoniae diagnosed with definite cholangitis or cholecystitis according to Tokyo Guideline 2013 were enrolled in this study...
December 23, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28009756/regeneration-and-cell-recruitment-in-an-improved-heterotopic-auxiliary-partial-liver-transplantation-model-in-the-rat
#4
Yoshihiro Ono, Angelica Pérez-Gutiérrez, Mladen I Yovchev, Kentaro Matsubara, Shinichiro Yokota, Jorge Guzman-Lepe, Kan Handa, Alexandra Collin de l'Hortet, Angus W Thomson, David A Geller, Hiroshi Yagi, Michael Oertel, Alejandro Soto-Gutierrez
BACKGROUND: Auxiliary partial liver transplantation (APLT) in humans is a therapeutic modality used especially to treat liver failure in children or congenital metabolic disease. Animal models of APLT have helped to explore therapeutic options. Though many groups have suggested improvements, standardizing the surgical procedure has been challenging. Additionally, the question of whether graft livers are reconstituted by recipient-derived cells after transplantation has been controversial...
January 2017: Transplantation
https://www.readbyqxmd.com/read/28007036/genomic-landscape-of-colorectal-cancer-in-japan-clinical-implications-of-comprehensive-genomic-sequencing-for-precision-medicine
#5
Masayuki Nagahashi, Toshifumi Wakai, Yoshifumi Shimada, Hiroshi Ichikawa, Hitoshi Kameyama, Takashi Kobayashi, Jun Sakata, Ryoma Yagi, Nobuaki Sato, Yuko Kitagawa, Hiroyuki Uetake, Kazuhiro Yoshida, Eiji Oki, Shin-Ei Kudo, Hiroshi Izutsu, Keisuke Kodama, Mitsutaka Nakada, Julie Tse, Meaghan Russell, Joerg Heyer, Winslow Powers, Ruobai Sun, Jennifer E Ring, Kazuaki Takabe, Alexei Protopopov, Yiwei Ling, Shujiro Okuda, Stephen Lyle
BACKGROUND: Comprehensive genomic sequencing (CGS) has the potential to revolutionize precision medicine for cancer patients across the globe. However, to date large-scale genomic sequencing of cancer patients has been limited to Western populations. In order to understand possible ethnic and geographic differences and to explore the broader application of CGS to other populations, we sequenced a panel of 415 important cancer genes to characterize clinically actionable genomic driver events in 201 Japanese patients with colorectal cancer (CRC)...
December 22, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27956735/increased-incidence-of-thrombotic-microangiopathy-after-abo-incompatible-living-donor-liver-transplantation
#6
Norihiro Kishida, Masahiro Shinoda, Osamu Itano, Hideaki Obara, Minoru Kitago, Taizo Hibi, Hiroshi Yagi, Yuta Abe, Kentaro Matsubara, Masanori Odaira, Minoru Tanabe, Motohide Shimazu, Yuko Kitagawa
BACKGROUND Thrombotic microangiopathy (TMA) is a severe life-threatening complication associated with solid organ transplantation. We retrospectively investigated the incidence, risk factors, and appropriate treatment of TMA following adult living donor liver transplantation (LDLT). MATERIAL AND METHODS The subjects were 129 adult patients who underwent LDLT in our department from 1997 to 2014. Patients with TMA were identified retrospectively based on diagnostic criteria. We calculated the incidence of TMA and performed a risk factor analysis for TMA occurrence...
December 13, 2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/27895409/two-cases-of-pancreatic-ductal-adenocarcinoma-with-intrapancreatic-metastasis
#7
Yusuke Fujita, Minoru Kitago, Yohei Masugi, Osamu Itano, Masahiro Shinoda, Yuta Abe, Taizo Hibi, Hiroshi Yagi, Yoko Fujii-Nishimura, Michiie Sakamoto, Yuko Kitagawa
There are no standardized diagnostic criteria for intrapancreatic metastasis of pancreatic ductal adenocarcinoma (PDAC). Here, we report two cases of patients with PDAC who were pathologically diagnosed as harboring intrapancreatic metastasis. In both cases, the main lesions were located in the pancreatic body, and no other lesion was detected preoperatively. The patients were diagnosed with pancreatic body cancers and distal pancreatectomy was performed. Pathological findings revealed microscopic cancer nests, which had connections to neither the main lesion nor the premalignant lesion in the pancreatic tail parenchyma...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27888344/impact-of-urgent-resuscitative-surgery-for-life-threatening-torso-trauma
#8
Hisashi Matsumoto, Yoshiaki Hara, Takanori Yagi, Nobuyuki Saito, Kazuki Mashiko, Hiroaki Iida, Tomokazu Motomura, Fumihiko Nakayama, Kazuhiro Okada, Hiroshi Yasumatsu, Taigo Sakamoto, Takao Seo, Yusuke Konda, You Hattori, Hiroyuki Yokota
PURPOSE: This study investigated the advantages of performing urgent resuscitative surgery (URS) in the emergency department (ED); namely, our URS policy, to avoid a delay in hemorrhage control for patients with severe torso trauma and unstable vital signs. METHODS: We divided 264 eligible cases into a URS group (n = 97) and a non-URS group (n = 167) to compare, retrospectively, the observed survival rate with the predicted survival using the Trauma and Injury Severity Score (TRISS)...
November 25, 2016: Surgery Today
https://www.readbyqxmd.com/read/27885701/bifunctional-oxygen-reaction-catalysis-of-quadruple-manganese-perovskites
#9
Ikuya Yamada, Hiroshi Fujii, Akihiko Takamatsu, Hidekazu Ikeno, Kouhei Wada, Hirofumi Tsukasaki, Shogo Kawaguchi, Shigeo Mori, Shunsuke Yagi
Bifunctional electrocatalysts for oxygen evolution/reduction reaction (OER/ORR) are desirable for the development of energy conversion technologies. It is discovered that the manganese quadruple perovskites CaMn7 O12 and LaMn7 O12 show bifunctional catalysis in the OER/ORR. A possible origin of high OER activity is the unique surface structure through corner-shared planar MnO4 and octahedral MnO6 units to promote direct OO bond formations.
November 25, 2016: Advanced Materials
https://www.readbyqxmd.com/read/27874008/the-gcn5-cited2-pka-signalling-module-controls-hepatic-glucose-metabolism-through-a-camp-induced-substrate-switch
#10
Mashito Sakai, Tomoko Tujimura-Hayakawa, Takashi Yagi, Hiroyuki Yano, Masaru Mitsushima, Hiroyuki Unoki-Kubota, Yasushi Kaburagi, Hiroshi Inoue, Yoshiaki Kido, Masato Kasuga, Michihiro Matsumoto
Hepatic gluconeogenesis during fasting results from gluconeogenic gene activation via the glucagon-cAMP-protein kinase A (PKA) pathway, a process whose dysregulation underlies fasting hyperglycemia in diabetes. Such transcriptional activation requires epigenetic changes at promoters by mechanisms that have remained unclear. Here we show that GCN5 functions both as a histone acetyltransferase (HAT) to activate fasting gluconeogenesis and as an acetyltransferase for the transcriptional co-activator PGC-1α to inhibit gluconeogenesis in the fed state...
November 22, 2016: Nature Communications
https://www.readbyqxmd.com/read/27866033/bone-scintigraphy-for-the-diagnosis-of-the-responsible-level-of-osteoporotic-vertebral-compression-fractures-in-percutaneous-balloon-kyphoplasty
#11
Toshiyuki Okazaki, Hiroshi Nakagawa, Kenji Yagi, Hitoshi Hayase, Shinji Nagahiro, Koji Saito
OBJECTIVES: This study was to investigate the efficacy of bone scintigraphy in order to diagnose the correct level of vertebral compression fractures (VCF) for the severe back pain before balloon kyphoplasty (BKP) was performed. PATIENTS AND METHODS: A total of 30 consecutive patients were treated with BKP for 38 times since May 2012. Eleven patients had acute multi-level VCFs. Bone scintigraphy was performed preoperatively except for the first case and the case with a chronic course and the level responsible for the pain was defined with bone scintigraphy...
January 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27862707/pharmacotherapy-in-patients-with-pediatric-cipo-a-nationwide-survey-in-japan
#12
Naoki Hashizume, Minoru Yagi, Kosuke Ushijima, Yoshitaka Seki, Suguru Fukahori, Mitsuru Muto, Hiroshi Matsufuji, Tomoaki Taguchi
PURPOSE: Chronic intestinal pseudo-obstruction (CIPO) is a rare disabling and life-threatening disorder characterized by a severe impairment of gastrointestinal peristalsis. With respect to pharmacotherapy, while a number of agents have been developed, only a few trials have attempted to improve the pathological condition of patients with CIPO. This report presents the actual findings of pharmacotherapy in the patients with pediatric CIPO from the view point of a nationwide survey on the actual situation in Japan...
November 12, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27801587/impact-of-lanthanoid-substitution-on-the-structural-and-physical-properties-of-an-infinite-layer-iron-oxide
#13
Takafumi Yamamoto, Hiroshi Ohkubo, Cédric Tassel, Naoaki Hayashi, Shota Kawasaki, Taku Okada, Takehiko Yagi, James Hester, Maxim Avdeev, Yoji Kobayashi, Hiroshi Kageyama
The effect of lanthanoid (Ln = Nd, Sm, Ho) substitution on the structural and physical properties of the infinite-layer iron oxide SrFeO2 was investigated by X-ray diffraction (XRD) at ambient and high pressure, neutron diffraction, and (57)Fe Mössbauer spectroscopy. Ln for Sr substituted samples up to ∼30% were synthesized by topochemical reduction using CaH2. While the introduction of the smaller Ln(3+) ion reduces the a axis as expected, we found an unusual expansion of the c axis as well as the volume...
November 21, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27694694/pharmacokinetics-of-intravenous-peramivir-in-the-airway-epithelial-lining-fluid-of-healthy-volunteers
#14
Yohei Funatsu, Sadatomo Tasaka, Takahiro Asami, Ho Namkoong, Hiroshi Fujiwara, Osamu Iketani, Kazuma Yagi, Yoshifumi Kimizuka, Makoto Ishii, Tomoyasu Nishimura, Haruhiko Ogata, Satoshi Iwata, Tomoko Betsuyaku, Naoki Hasegawa
BACKGROUND: Some subtypes of influenza virus, such as H5N1 and H7N9, cause severe viral pneumonia, for which the intraluminal concentration of the anti-influenza agent in the airway is critical. However, the pharmacokinetics of peramivir, the only available injectable neuraminidase inhibitor formulation, in the airway epithelial lining fluid (ELF) remains unclear. In this study, we aimed to determine the time course of peramivir in the pharyngeal ELF, bronchial ELF and plasma of healthy volunteers using bronchoscopic microsampling technique...
2016: Antiviral Therapy
https://www.readbyqxmd.com/read/27598993/mesenchymal-stem-cells-contribute-to-hepatic-maturation-of-human-induced-pluripotent-stem-cells
#15
Chisato Takagi, Hiroshi Yagi, Makiko Hieda, Kazuki Tajima, Taizo Hibi, Yuta Abe, Minoru Kitago, Masahiro Shinoda, Osamu Itano, Yuko Kitagawa
BACKGROUND: Induced pluripotent stem cells (iPSCs) are human somatic cells that have been reprogrammed to a pluripotent state. Several methods have been used to generate hepatocyte-like cells from iPSCs. However, these hepatic cells have limited clinical application because of their immature function compared to primary hepatocytes. Mesenchymal stem cells (MSCs) have been reported to inhibit apoptosis of hepatic cells and to improve hepatic regeneration in acute liver injury. Therefore, we expected that MSCs had the potential to positively contribute to the maturation of hepatic cells...
September 7, 2016: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/27513278/efficacy-and-safety-of-long-term-sirolimus-therapy-for-asian-patients-with-lymphangioleiomyomatosis
#16
Toshinori Takada, Ayako Mikami, Nobutaka Kitamura, Kuniaki Seyama, Yoshikazu Inoue, Katsura Nagai, Masaru Suzuki, Hiroshi Moriyama, Keiichi Akasaka, Ryushi Tazawa, Toyohiro Hirai, Michiaki Mishima, Mie Hayashida, Masaki Hirose, Chikatoshi Sugimoto, Toru Arai, Noboru Hattori, Kentaro Watanabe, Tsutomu Tamada, Hirohisa Yoshizawa, Kohei Akazawa, Takahiro Tanaka, Keita Yagi, Lisa R Young, Francis X McCormack, Koh Nakata
RATIONALE: Sirolimus has been shown in a randomized, controlled clinical trial to stabilize lung function in patients with lymphangioleiomyomatosis (LAM) treated for a 12-month time period; however the pretreatment decline in lung function after the drug was discontinued indicated that continued exposure is required to suppress disease progression. OBJECTIVES: To elucidate the durability and tolerability of long-term sirolimus treatment in Asian patients with LAM...
November 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27506679/clinical-efficacy-and-safety-of-multidrug-therapy-including-thrice-weekly-intravenous-amikacin-administration-for-mycobacterium-abscessus-pulmonary-disease-in-outpatient-settings-a-case-series
#17
Ho Namkoong, Kozo Morimoto, Tomoyasu Nishimura, Hiromu Tanaka, Hiroaki Sugiura, Yoshitake Yamada, Atsuko Kurosaki, Takanori Asakura, Shoji Suzuki, Hiroshi Fujiwara, Kazuma Yagi, Makoto Ishii, Sadatomo Tasaka, Tomoko Betsuyaku, Yoshihiko Hoshino, Atsuyuki Kurashima, Naoki Hasegawa
BACKGROUND: Mycobacterium abscessus (M. abscessus) pulmonary disease is a refractory chronic infectious disease. Options for treating M. abscessus pulmonary disease are limited, especially in outpatient settings. Among parenteral antibiotics against M. abscessus, intravenous amikacin (AMK) is expected to be an effective outpatient antimicrobial therapy. This study evaluated the clinical efficacy and safety of intravenous AMK therapy in outpatients with M. abscessus pulmonary disease. METHODS: This retrospective chart review of cases of M...
2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27486687/fbxw7-is-involved-in-the-acquisition-of-the-malignant-phenotype-in-epithelial-ovarian-tumors
#18
Shoko Kitade, Ichiro Onoyama, Hiroaki Kobayashi, Hiroshi Yagi, Sachiko Yoshida, Masaya Kato, Ryosuke Tsunematsu, Kazuo Asanoma, Kenzo Sonoda, Norio Wake, Kenichiro Hata, Keiichi I Nakayama, Kiyoko Kato
FBXW7 is a ubiquitin ligase that mediates ubiquitylation of oncoproteins, such as c-Myc, cyclin E, Notch and c-Jun. FBXW7 is a known tumor-suppressor gene, and mutations in FBXW7 have been reported in various human malignancies. In this study, we examined the sequences of the FBXW7 and p53 genes in 57 ovarian cancer clinical samples. Interestingly, we found no FBXW7 mutations associated with amino acid changes. We also investigated FBXW7 expression levels in 126 epithelial ovarian tumors. FBXW7 expression was negatively correlated with the malignant potential of ovarian tumors...
October 2016: Cancer Science
https://www.readbyqxmd.com/read/27469540/a-small-angle-x-ray-scattering-study-of-alpha-synuclein-from-human-red-blood-cells
#19
Katsuya Araki, Naoto Yagi, Rie Nakatani, Hiroshi Sekiguchi, Masatomo So, Hisashi Yagi, Noboru Ohta, Yoshitaka Nagai, Yuji Goto, Hideki Mochizuki
α-synuclein (α-syn) is the main component of Lewy bodies, which are neuropathological hallmarks of patients with Parkinson's disease. As it has been controversial whether human α-syn from erythrocytes exists as a tetramer under physiological conditions, we tried solving this issue by the small-angle X-ray solution scattering method. Under two different conditions (high ionic strength with a Tris buffer and low ionic strength with an ammonium acetate buffer), no evidence was found for the presence of tetramer...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27466017/plasma-levels-of-biotin-metabolites-are-elevated-in-hemodialysis-patients-with-cramps
#20
Masako Fujiwara, Itiro Ando, Shigeaki Yagi, Manabu Nishizawa, Shiro Oguma, Keisuke Satoh, Hiroshi Sato, Yutaka Imai
Patients with renal failure undergoing hemodialysis (HD) are susceptible to muscle cramps during and after HD. Muscle cramps are defined as the sudden onset of a prolonged involuntary muscle contraction accompanied by severe pain. Through HD, water-soluble vitamins are drawn out with water. Since biotin, a water-soluble vitamin, plays an essential role as one of the coenzymes in producing energy, we have hypothesized that deficiency of biotin may be responsible for HD-associated cramps. We previously reported that biotin administration ameliorated the muscle cramps, despite the elevated plasma biotin levels before HD and biotin administration, as judged by an enzyme-linked immunosorbent assay (ELISA)...
2016: Tohoku Journal of Experimental Medicine
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