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Yoshikazu Suzuki

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https://www.readbyqxmd.com/read/28330887/usefulness-of-two-aspergillus-pcr-assays-and-aspergillus-galactomannan-and-%C3%AE-d-glucan-testing-of-bronchoalveolar-lavage-fluid-for-diagnosis-of-chronic-pulmonary-aspergillosis
#1
Naohisa Urabe, Susumu Sakamoto, Go Sano, Junko Suzuki, Akira Hebisawa, Yasuhiko Nakamura, Kazuya Koyama, Yoshikazu Ishii, Kazuhiro Tateda, Sakae Homma
We evaluated the usefulness of an Aspergillus galactomannan (GM) test, a β-D-glucan (βDG) test, and two different Aspergillus polymerase chain reaction (PCR) assays of bronchoalveolar lavage fluid (BALF) samples for diagnosis of chronic pulmonary aspergillosis (CPA). BALF samples from 28 patients with and 120 patients without CPA were collected. We calculated the sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio for each test individually and in combination with other tests...
March 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28296195/evaluation-of-the-infection-risk-in-dialysis-and-chronic-kidney-disease-patients-using-an-atp-monitoring-assay
#2
Junichi Kusano, Rei Kato, Hiroto Matsuda, Yoshikazu Hara, Yoshiaki Fujii, Shinya Suzuki, Masao Sekiyama, Eiki Ando, Kentaro Sugiyama, Toshihiko Hirano
The ATP monitoring assay is a useful biomarker for risk monitoring to detect infection and rejection episodes in transplant recipients. Hemodialysis patients have a higher rate of infectious mortality. Infections in hemodialysis patients are mainly caused by venous catheters, uremia, malnutrition and inflammation. However, the risk of infection episodes has not been evaluated using a lymphocyte ATP monitoring assay in hemodialysis and chronic kidney disease (CKD) patients. We measured the ATP amounts in the peripheral CD4+ cells of CKD (N = 85) and dialysis patients (N = 17) using an "Immuknow" assay kit...
March 13, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28282247/effect-of-tenofovir-disoproxil-fumarate-on-incidence-of-chronic-kidney-disease-and-rate-of-estimated-glomerular-filtration-rate-decrement-in-hiv-1-infected-treatment-na%C3%A3-ve-asian-patients-results-from-12-year-observational-cohort
#3
Soichiro Suzuki, Takeshi Nishijima, Yohei Kawasaki, Takuma Kurosawa, Yoshikazu Mutoh, Yoshimi Kikuchi, Hiroyuki Gatanaga, Shinichi Oka
Little evidence is available for the incidence of chronic kidney disease (CKD) and rate of estimated glomerular filtration rate (eGFR) decrement among Asians with low body weight who are susceptible to tenofovir disoproxil fumarate (TDF) nephrotoxicity. In this 12-year observational cohort in Tokyo, we examined 1383 treatment-naïve HIV-1-infected Asians [720 started TDF-containing (TDF group) and 663 started non-TDF-containing (control) combination antiretroviral therapy (cART)]. The CKD incidence was calculated, and the effect of TDF use on CKD development was estimated using logistic regression...
March 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28269999/baseline-mri-bone-erosion-predicts-the-subsequent-radiographic-progression-in-early-rheumatoid-arthritis-patients-who-achieved-sustained-good-clinical-response
#4
Mami Tamai, Kazuhiko Arima, Yoshikazu Nakashima, Junko Kita, Masataka Umeda, Shoichi Fukui, Ayako Nishino, Takahisa Suzuki, Yoshiro Horai, Akitomo Okada, Tomohiro Koga, Shin-Ya Kawashiri, Naoki Iwamoto, Kunihiro Ichinose, Satoshi Yamasaki, Hideki Nakamura, Tomoki Origuchi, Kiyoshi Aoyagi, Masataka Uetani, Katsumi Eguchi, Atsushi Kawakami
OBJECTIVE: To examine whether magnetic resonance imaging (MRI) findings at baseline predict radiographic progression in early-stage rheumatoid arthritis (RA) patients who have achieved sustained good clinical response. METHODS: This is a sub-analysis from the one-year observational study of Nagasaki University Early Arthritis Cohort. Definition of 'good clinical response' was a decrement of disease activity score (DAS) 28 ≧ 1.2 at three months with achievement of DAS28 remission through 6-12 months...
March 8, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28249026/development-of-ghrelin-resistance-in-a-cancer-cachexia-rat-model-using-human-gastric-cancer-derived-85as2-cells-and-the-palliative-effects-of-the-kampo-medicine-rikkunshito-on-the-model
#5
Kiyoshi Terawaki, Yohei Kashiwase, Yumi Sawada, Hirofumi Hashimoto, Mitsuhiro Yoshimura, Katsuya Ohbuchi, Yuka Sudo, Masami Suzuki, Kanako Miyano, Seiji Shiraishi, Yoshikazu Higami, Kazuyoshi Yanagihara, Tomohisa Hattori, Yoshio Kase, Yoichi Ueta, Yasuhito Uezono
Cancer cachexia (CC) is a multifactorial disease characterized by decreased food intake and loss of body weight due to reduced musculature with or without loss of fat mass. Patients with gastric cancer have a high incidence of cachexia. We previously established a novel CC rat model induced by human gastric cancer-derived 85As2 cells in order to examine the pathophysiology of CC and identify potential therapeutics. In patients with CC, anorexia is often observed, despite elevation of ghrelin, suggesting that ghrelin resistance may develop in these patients...
2017: PloS One
https://www.readbyqxmd.com/read/28240558/the-causal-relationship-between-dna-damage-induction-in-bovine-lymphocytes-and-the-fukushima-nuclear-power-plant-accident
#6
Asako J Nakamura, Masatoshi Suzuki, Christophe E Redon, Yoshikazu Kuwahara, Hideaki Yamashiro, Yasuyuki Abe, Shintaro Takahashi, Tomokazu Fukuda, Emiko Isogai, William M Bonner, Manabu Fukumoto
The Fukushima Daiichi Nuclear Power Plant (FNPP) accident, the largest nuclear incident since the 1986 Chernobyl disaster, occurred when the plant was hit by a tsunami triggered by the Great East Japan Earthquake on March 11, 2011. The subsequent uncontrolled release of radioactive substances resulted in massive evacuations in a 20-km zone. To better understand the biological consequences of the FNPP accident, we have been measuring DNA damage levels in cattle in the evacuation zone. DNA damage was evaluated by assessing the levels of DNA double-strand breaks in peripheral blood lymphocytes by immunocytofluorescence-based quantification of γ-H2AX foci...
February 27, 2017: Radiation Research
https://www.readbyqxmd.com/read/28238783/visualization-of-glucagon-secretion-from-pancreatic-%C3%AE-cells-by-bioluminescence-video-microscopy-identification-of-secretion-sites-in-the-intercellular-contact-regions
#7
Satoru Yokawa, Takahiro Suzuki, Satoshi Inouye, Yoshikazu Inoh, Ryo Suzuki, Takao Kanamori, Tadahide Furuno, Naohide Hirashima
We have firstly visualized glucagon secretion using a method of video-rate bioluminescence imaging. The fusion protein of proglucagon and Gaussia luciferase (PGCG-GLase) was used as a reporter to detect glucagon secretion and was efficiently expressed in mouse pancreatic α cells (αTC1.6) using a preferred human codon-optimized gene. In the culture medium of the cells expressing PGCG-GLase, luminescence activity determined with a luminometer was increased with low glucose stimulation and KCl-induced depolarization, as observed for glucagon secretion...
April 15, 2017: Biochemical and Biophysical Research Communications
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
#8
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...
March 2017: Bioanalysis
https://www.readbyqxmd.com/read/28180312/restriction-glycosylases-involvement-of-endonuclease-activities-in-the-restriction-process
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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