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Yoshikazu Suzuki

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https://www.readbyqxmd.com/read/28225296/development-and-validation-of-an-lc-ms-ms-method-for-simultaneously-determining-doxapram-and-keto-doxapram-in-human-serum
#1
Yuki Suzuki, Noboru Kamada, Hitoshi Ohno, Yoshikazu Abe, Takuro Endo, Mamoru Kobayashi
AIM: Doxapram, a respiratory stimulant, is used to treat apnea. A reliable method of determining doxapram in blood is required for monitoring purposes. RESULTS: Doxapram, keto-doxapram (active metabolite) and propranolol (internal standard) were extracted from human serum by protein precipitation and plate filtration. Molecular ions were generated by electrospray ionization in positive ion mode, and the ions were analyzed using a triple-quadrupole mass spectrometer...
February 22, 2017: Bioanalysis
https://www.readbyqxmd.com/read/28180312/restriction-glycosylases-involvement-of-endonuclease-activities-in-the-restriction-process
#2
Yingbiao Zhang, Tomoyuki Matsuzaka, Hirokazu Yano, Yoshikazu Furuta, Toshiaki Nakano, Ken Ishikawa, Masaki Fukuyo, Noriko Takahashi, Yutaka Suzuki, Sumio Sugano, Hiroshi Ide, Ichizo Kobayashi
No abstract text is available yet for this article.
February 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28157481/a-case-of-mycobacterium-abscessus-subsp-massiliense-lung-disease-complicated-by-lipoid-pneumonia
#3
Takehiko Kobayashi, Kazunari Tsuyuguchi, Shiomi Yoshida, Yu Kurahara, Taisuke Tsuji, Keiko Nakao, Yumiko Sasaki, Seiji Hayashi, Yoshikazu Inoue, Katsuhiro Suzuki
No abstract text is available yet for this article.
January 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28142030/rationale-design-and-profile-of-the-three-prefecture-cohort-in-japan-a-15-year-follow-up
#4
Junya Sado, Tetsuhisa Kitamura, Yuri Kitamura, Ling Zha, Rong Liu, Tomotaka Sobue, Yoshikazu Nishino, Hideo Tanaka, Tomio Nakayama, Ichiro Tsuji, Hidemi Ito, Takaichiro Suzuki, Kota Katanoda, Suketami Tominaga
BACKGROUND: We reutilized the existing Three-Prefecture Cohort to evaluate the relationship between lifestyle factors and the incidence or mortality from non-communicable diseases. METHODS: This study was a prospective population-based observation conducted from the 1980s to 2000 in three prefectures (Miyagi, Aichi, and Osaka) in Japan. The study subjects were residents aged ≥40 years who received a questionnaire. The follow-up period was 15 years from the baseline survey in each study area...
January 5, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28117940/peripheral-blood-gene-expression-changes-associated-with-primary-graft-dysfunction-after-lung-transplantation
#5
J M Diamond, E Cantu, M K Porteous, Y Suzuki, K C Meyer, D J Lederer, R K Milewski, S Arcasoy, F D'Ovidio, M Bacchetta, J R Sonett, G Singh, J Costa, J W Tobias, H Rodriguez, V M Van Deerlin, K M Olthoff, A Shaked, B-L Chang, J D Christie
Recipient responses to primary graft dysfunction (PGD) after lung transplantation may have important implications to the fate of the allograft. We therefore evaluated longitudinal differences in peripheral blood gene expression in subjects with PGD. RNA expression was measured throughout the first transplant year in 106 subjects enrolled in the Clinical Trials in Organ Transplantation-03 study using a panel of 100 hypothesis-driven genes. PGD was defined as grade 3 in the first 72 posttransplant hours. Eighteen genes were differentially expressed over the first year based on PGD development, with significant representation from innate and adaptive immunity genes, with most differences identified very early after transplant...
January 24, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28110856/nomogram-for-predicting-survival-of-postcystectomy-recurrent-urothelial-carcinoma-of-the-bladder
#6
Tohru Nakagawa, Satoru Taguchi, Yukari Uemura, Atsushi Kanatani, Masaomi Ikeda, Akihiko Matsumoto, Kanae Yoshida, Taketo Kawai, Masayoshi Nagata, Daisuke Yamada, Yoshimitsu Komemushi, Motofumi Suzuki, Yutaka Enomoto, Hiroaki Nishimatsu, Akira Ishikawa, Yasushi Nagase, Yasushi Kondo, Yoshinori Tanaka, Toshikazu Okaneya, Yoshikazu Hirano, Mitsuru Shinohara, Hideyo Miyazaki, Tetsuya Fujimura, Hiroshi Fukuhara, Haruki Kume, Yasuhiko Igawa, Yukio Homma
PURPOSE: We aimed to identify prognostic clinicopathological factors and to create a nomogram able to predict overall survival (OS) in recurrent urothelial carcinoma of the bladder (UCB) after radical cystectomy (RC). MATERIALS AND METHODS: Among 1,087 patients with UCB who had undergone RC at our 11 institutions between 1990 and 2010, 306 patients who subsequently developed distant metastasis or local recurrence or both were identified. Clinical data were collected with medical record review...
January 16, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28098180/an-aposymbiotic-primary-coral-polyp-counteracts-acidification-by-active-ph-regulation
#7
Yoshikazu Ohno, Akira Iguchi, Chuya Shinzato, Mayuri Inoue, Atsushi Suzuki, Kazuhiko Sakai, Takashi Nakamura
Corals build their skeletons using extracellular calcifying fluid located in the tissue-skeleton interface. However, the mechanism by which corals control the transport of calcium and other ions from seawater and the mechanism of constant alkalization of calcifying fluid are largely unknown. To address these questions, we performed direct pH imaging at calcification sites (subcalicoblastic medium, SCM) to visualize active pH upregulation in live aposymbiotic primary coral polyps treated with HCl-acidified seawater...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28073574/massive-donor-transfusion-potentially-increases-recipient-mortality-after-lung-transplantation
#8
Catherine F Borders, Yoshikazu Suzuki, Jared Lasky, Christian Schaufler, Djamila Mallem, James Lee, Kevin Carney, Scarlett L Bellamy, Christian A Bermudez, A Russell Localio, Jason D Christie, Joshua M Diamond, Edward Cantu
OBJECTIVE: Donor blood transfusion has been identified as a potential risk factor for primary graft dysfunction and by extension early mortality. We sought to define the contributing risk of donor transfusion on early mortality for lung transplant. METHODS: Donor and recipient data were abstracted from the Organ Procurement and Transplantation Network database updated through June 30, 2014, which included 86,398 potential donors and 16,255 transplants. Using the United Network for Organ Sharing 4-level designation of transfusion (no blood, 1-5 units, 6-10 units, and >10 units, massive), we analyzed all-cause mortality at 30-days with the use of logistic regression adjusted for confounders (ischemic time, donor age, recipient diagnosis, lung allocation score and recipient age, and recipient body mass index)...
December 15, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28052284/asian-perspectives-on-diagnostic-and-therapeutic-strategies-in-inflammatory-bowel-disease-report-and-analysis-of-a-survey-with-questionnaires
#9
Atsushi Yoshida, Fumiaki Ueno, Toshio Morizane, Takashi Joh, Takeshi Kamiya, Shin''ichi Takahashi, Kengo Tokunaga, Ryuichi Iwakiri, Yoshikazu Kinoshita, Hidekazu Suzuki, Yuji Naito, Kazuhiko Uchiyama, Shin Fukodo, Francis K L Chan, Ki-Baik Halm, Udom Kachintorn, Kwong Ming Fock, Abdul Aziz Rani, Ari Fahrial Syam, Jose D Sollano, Qi Zhu
BACKGROUND: Diagnostic and therapeutic strategies in inflammatory bowel disease (IBD) vary among countries in terms of availability of modalities, affordability of health care resource, health care policy and cultural background. This may be the case in different countries in Eastern Asia. The aim of this study was to determine and understand the differences in diagnostic and therapeutic strategies of IBD between Japan and the rest of Asian countries (ROA). METHODS: Questionnaires with regard to clinical practice in IBD were distributed to members of the International Gastroenterology Consensus Symposium Study Group...
2017: Digestion
https://www.readbyqxmd.com/read/28044214/associations-of-obesity-and-physical-activity-with-serum-and-intratumoral-sex-steroid-hormone-levels-among-postmenopausal-women-with-breast-cancer-analysis-of-paired-serum-and-tumor-tissue-samples
#10
Yoichiro Kakugawa, Hiroshi Tada, Masaaki Kawai, Takashi Suzuki, Yoshikazu Nishino, Seiki Kanemura, Takanori Ishida, Noriaki Ohuchi, Yuko Minami
PURPOSE: It has been hypothesized that intratumoral estrogens may play important roles in the growth of breast cancer. However, few studies have investigated such intratumoral hormones, or their association with risk factors of breast cancer. METHODS: In this cross-sectional study, hormone levels in paired serum and tumor tissue samples from 146 postmenopausal women with breast cancer were measured by liquid chromatography-tandem mass spectrometry and compared between estrogen/progesterone (ER/PgR) subtypes...
January 2, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28005141/case-related-factors-affecting-cutting-errors-of-the-proximal-tibia-in-total-knee-arthroplasty-assessed-by-computer-navigation
#11
Tadashi Tsukeoka, Yoshikazu Tsuneizumi, Kensuke Yoshino, Mashiko Suzuki
PURPOSE: The aim of this study was to determine factors that contribute to bone cutting errors of conventional instrumentation for tibial resection in total knee arthroplasty (TKA) as assessed by an image-free navigation system. The hypothesis is that preoperative varus alignment is a significant contributory factor to tibial bone cutting errors. METHODS: This was a prospective study of a consecutive series of 72 TKAs. The amount of the tibial first-cut errors with reference to the planned cutting plane in both coronal and sagittal planes was measured by an image-free computer navigation system...
December 22, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27980098/restriction-glycosylases-involvement-of-endonuclease-activities-in-the-restriction-process
#12
Yingbiao Zhang, Tomoyuki Matsuzaka, Hirokazu Yano, Yoshikazu Furuta, Toshiaki Nakano, Ken Ishikawa, Masaki Fukuyo, Noriko Takahashi, Yutaka Suzuki, Sumio Sugano, Hiroshi Ide, Ichizo Kobayashi
All restriction enzymes examined are phosphodiesterases generating 3'-OH and 5'-P ends, but one restriction enzyme (restriction glycosylase) excises unmethylated bases from its recognition sequence. Whether its restriction activity involves endonucleolytic cleavage remains unclear. One report on this enzyme, R.PabI from a hyperthermophile, ascribed the breakage to high temperature while another showed its weak AP lyase activity generates atypical ends. Here, we addressed this issue in mesophiles. We purified R...
December 14, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27908505/diagnostic-advantage-of-stress-computed-tomography-myocardial-perfusion-over-single-photon-emission-computed-tomography-for-the-assessment-of-myocardial-ischemia
#13
Yasushi Ueki, Atsushi Izawa, Daisuke Kashiwagi, Shigeki Nishiyama, Shinichi Aso, Chihiro Suzuki, Shumpei Sakurai, Kazuhiro Oguchi, Yoshikazu Yazaki, Uichi Ikeda, Koichiro Kuwahara
BACKGROUND: This study compared adenosine stress computed tomography myocardial perfusion (CTP) with single-photon emission computed tomography (SPECT) in the diagnosis of functionally significant coronary artery stenosis using fractional flow reserve (FFR) as reference standard. METHODS: We included a total of 93 coronary arteries from 31 patients in whom at least one vessel with ≥50% stenosis was detected with computed tomography coronary angiography. All patients underwent both SPECT and adenosine stress CTP, followed by invasive coronary angiography (ICA) and FFR...
November 28, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27879498/enhancement-of-death-receptor-4-mediated-apoptosis-and-cytotoxicity-in-renal-cell-carcinoma-cells-by-anisomycin
#14
Yongnan Li, Xiuxian Wu, Xinghua Jin, Jiumei Wang, Yoshikazu Togo, Toru Suzuki, Takahiko Hashimoto, Yusuke Yamada, Yukako Nakanishi, Akihiro Kanematsu, Michio Nojima, Yoshiyuki Kakehi, Shingo Yamamoto
Renal cell carcinoma (RCC) is one of the most drug-resistant malignancies, and an effective therapy is lacking for metastatic RCC. Anisomycin is known to inhibit protein synthesis and induce ribotoxic stress. The aim of this study was to explore whether anisomycin enhances the cytotoxic effects of mapatumumab, a human agonistic monoclonal antibody specific for death receptor 4 (DR4), in human RCC cells. We examined the cytotoxicity of anisomycin alone and in combination with mapatumumab in human RCC cell lines and primary RCC cell cultures...
February 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27867688/usefulness-of-vonoprazan-a-potassium-ion-competitive-acid-blocker-for-primary-eradication-of-helicobacter-pylori
#15
Shinya Yamada, Takumi Kawakami, Yoshikazu Nakatsugawa, Takahiro Suzuki, Hideki Fujii, Naoya Tomatsuri, Hideki Nakamura, Hideki Sato, Yusuke Okuyama, Hiroyuki Kimura, Norimasa Yoshida
AIM: To investigate usefulness of triple therapy with vonoprazan, a potassium ion-competitive acid blocker and antibiotics, for Helicobacter pylori (H. pylori) eradication. METHODS: The H. pylori eradication rate was examined in 2507 patients (2055 undergoing primary eradication and 452 undergoing secondary eradication, excluding patients with subtotal gastrectomy) at the Japanese Red Cross Kyoto Daiichi Hospital from March 2013 to September 2015. For patients treated from March 2013 to February 2015, a proton pump inhibitor (PPI) was used to reduce acid secretion, while vonoprazan was used after March 2015...
November 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27824041/genome-sequence-and-analysis-of-the-japanese-morning-glory-ipomoea-nil
#16
Atsushi Hoshino, Vasanthan Jayakumar, Eiji Nitasaka, Atsushi Toyoda, Hideki Noguchi, Takehiko Itoh, Tadasu Shin-I, Yohei Minakuchi, Yuki Koda, Atsushi J Nagano, Masaki Yasugi, Mie N Honjo, Hiroshi Kudoh, Motoaki Seki, Asako Kamiya, Toshiyuki Shiraki, Piero Carninci, Erika Asamizu, Hiroyo Nishide, Sachiko Tanaka, Kyeung-Il Park, Yasumasa Morita, Kohei Yokoyama, Ikuo Uchiyama, Yoshikazu Tanaka, Satoshi Tabata, Kazuo Shinozaki, Yoshihide Hayashizaki, Yuji Kohara, Yutaka Suzuki, Sumio Sugano, Asao Fujiyama, Shigeru Iida, Yasubumi Sakakibara
Ipomoea is the largest genus in the family Convolvulaceae. Ipomoea nil (Japanese morning glory) has been utilized as a model plant to study the genetic basis of floricultural traits, with over 1,500 mutant lines. In the present study, we have utilized second- and third-generation-sequencing platforms, and have reported a draft genome of I. nil with a scaffold N50 of 2.88 Mb (contig N50 of 1.87 Mb), covering 98% of the 750 Mb genome. Scaffolds covering 91.42% of the assembly are anchored to 15 pseudo-chromosomes...
November 8, 2016: Nature Communications
https://www.readbyqxmd.com/read/27807641/long-term-outcomes-of-endoscopic-submucosal-dissection-for-early-gastric-cancer-a-multicenter-collaborative-study
#17
Satoshi Tanabe, Kenji Ishido, Takayuki Matsumoto, Takashi Kosaka, Ichiro Oda, Haruhisa Suzuki, Junko Fujisaki, Hiroyuki Ono, Noboru Kawata, Tsuneo Oyama, Akiko Takahashi, Hisashi Doyama, Masaaki Kobayashi, Noriya Uedo, Kenta Hamada, Takashi Toyonaga, Fumiaki Kawara, Shinji Tanaka, Yoshikazu Yoshifuku
OBJECTIVE: The indications for endoscopic submucosal dissection (ESD) in patients with early gastric cancer (EGC) have been expanded. However, the long-term outcomes of ESD remain unclear. We retrospectively investigated the long-term outcomes of ESD in patients with EGC. METHODS: We retrospectively studied patients with EGC who underwent ESD at 11 institutions between January 2003 and December 2010. A total of 6456 patients (7979 lesions) who met the absolute indications for ESD and 4202 patients (5781 lesions) who met the expanded indications for ESD were studied...
November 2, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27774128/discovery-of-ono-7300243-from-a-novel-class-of-lysophosphatidic-acid-receptor-1-antagonists-from-hit-to-lead
#18
Masahiko Terakado, Hidehiro Suzuki, Kazuya Hashimura, Motoyuki Tanaka, Hideyuki Ueda, Hiroshi Kohno, Taku Fujimoto, Hiroshi Saga, Shinji Nakade, Hiromu Habashita, Yoshikazu Takaoka, Takuya Seko
Lysophosphatidic acid (LPA) evokes various physiological responses through a series of G protein-coupled receptors known as LPA1-6. A high throughput screen against LPA1 gave compound 7a as a hit. The subsequent optimization of 7a led to ONO-7300243 (17a) as a novel, potent LPA1 antagonist, which showed good efficacy in vivo. The oral dosing of 17a at 30 mg/kg led to reduced intraurethral pressure in rats. Notably, this compound was equal in potency to the α1 adrenoceptor antagonist tamsulosin, which is used in clinical practice to treat dysuria with benign prostatic hyperplasia (BPH)...
October 13, 2016: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27762356/genome-evolution-in-the-allotetraploid-frog-xenopus-laevis
#19
COMPARATIVE STUDY
Adam M Session, Yoshinobu Uno, Taejoon Kwon, Jarrod A Chapman, Atsushi Toyoda, Shuji Takahashi, Akimasa Fukui, Akira Hikosaka, Atsushi Suzuki, Mariko Kondo, Simon J van Heeringen, Ian Quigley, Sven Heinz, Hajime Ogino, Haruki Ochi, Uffe Hellsten, Jessica B Lyons, Oleg Simakov, Nicholas Putnam, Jonathan Stites, Yoko Kuroki, Toshiaki Tanaka, Tatsuo Michiue, Minoru Watanabe, Ozren Bogdanovic, Ryan Lister, Georgios Georgiou, Sarita S Paranjpe, Ila van Kruijsbergen, Shengquiang Shu, Joseph Carlson, Tsutomu Kinoshita, Yuko Ohta, Shuuji Mawaribuchi, Jerry Jenkins, Jane Grimwood, Jeremy Schmutz, Therese Mitros, Sahar V Mozaffari, Yutaka Suzuki, Yoshikazu Haramoto, Takamasa S Yamamoto, Chiyo Takagi, Rebecca Heald, Kelly Miller, Christian Haudenschild, Jacob Kitzman, Takuya Nakayama, Yumi Izutsu, Jacques Robert, Joshua Fortriede, Kevin Burns, Vaneet Lotay, Kamran Karimi, Yuuri Yasuoka, Darwin S Dichmann, Martin F Flajnik, Douglas W Houston, Jay Shendure, Louis DuPasquier, Peter D Vize, Aaron M Zorn, Michihiko Ito, Edward M Marcotte, John B Wallingford, Yuzuru Ito, Makoto Asashima, Naoto Ueno, Yoichi Matsuda, Gert Jan C Veenstra, Asao Fujiyama, Richard M Harland, Masanori Taira, Daniel S Rokhsar
To explore the origins and consequences of tetraploidy in the African clawed frog, we sequenced the Xenopus laevis genome and compared it to the related diploid X. tropicalis genome. We characterize the allotetraploid origin of X. laevis by partitioning its genome into two homoeologous subgenomes, marked by distinct families of 'fossil' transposable elements. On the basis of the activity of these elements and the age of hundreds of unitary pseudogenes, we estimate that the two diploid progenitor species diverged around 34 million years ago (Ma) and combined to form an allotetraploid around 17-18 Ma...
20, 2016: Nature
https://www.readbyqxmd.com/read/27756441/study-protocol-for-a-multi-center-randomized-controlled-trial-to-develop-japanese-denture-adhesive-guidelines-for-patients-with-complete-dentures-the-denture-adhesive-guideline-trial-study-protocol-for-a-randomized-controlled-trial
#20
Suguru Kimoto, Yasuhiko Kawai, Atsuko Gunji, Hisatomo Kondo, Taro Nomura, Tomohiko Murakami, Akito Tsuboi, Guang Hong, Shunsuke Minakuchi, Yusuke Sato, Gaku Ohwada, Tetsuya Suzuki, Katsuhiko Kimoto, Noriyuki Hoshi, Makiko Saita, Yoshikazu Yoneyama, Yohei Sato, Masakazu Morokuma, Joji Okazaki, Takeshi Maeda, Kenichiro Nakai, Tetsuo Ichikawa, Kan Nagao, Keiko Fujimoto, Hiroshi Murata, Tadafumi Kurogi, Kazuhiro Yoshida, Masahiro Nishimura, Yasuhiro Nishi, Mamoru Murakami, Toshio Hosoi, Taizo Hamada
BACKGROUND: Denture adhesives, characterized as medical products in 1935 by the American Dental Association, have been considered useful adjuncts for improving denture retention and stability. However, many dentists in Japan are hesitant to acknowledge denture adhesives in daily practice because of the stereotype that dentures should be inherently stable, without the aid of adhesives. The aim of this study is to verify the efficacy of denture adhesives to establish guidelines for Japanese users...
October 18, 2016: Trials
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