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https://www.readbyqxmd.com/read/28430637/clinical-utility-of-circulating-cell-free-epstein-barr-virus-dna-in-patients-with-gastric-cancer
#1
Katsutoshi Shoda, Daisuke Ichikawa, Yuji Fujita, Kiyoshi Masuda, Hidekazu Hiramoto, Junichi Hamada, Tomohiro Arita, Hirotaka Konishi, Toshiyuki Kosuga, Shuhei Komatsu, Atsushi Shiozaki, Kazuma Okamoto, Issei Imoto, Eigo Otsuji
Recent comprehensive molecular subtyping of gastric cancer (GC) identified Epstein-Barr virus (EBV)-positive tumors as a subtype with distinct salient molecular and clinical features. In this study, we aimed to determine the potential utility of circulating cell-free EBV DNA as a biomarker for the detection and/or monitoring of therapeutic response in patients with EBV-associated gastric carcinoma (EBVaGC). The EBV genes-to-ribonuclease P RNA component H1 ratios (EBV ratios) in the GC tumors and plasma samples were determined by quantitative real-time polymerase chain reaction in 153 patients with GC, including 14 patients with EBVaGC diagnosed by the conventional method...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427751/corrigendum-to-a-retrospective-cohort-study-of-outcome-in-systemic-sclerosis-associated-interstitial-lung-disease-respir-investig-54-2016-445-453
#2
https://www.readbyqxmd.com/read/28427366/network-analysis-of-global-tobacco-control-collaboration-data-from-the-world-conference-on-tobacco-or-health-wctoh
#3
Scott J Leischow, Janet Okamoto, Scott McIntosh, Deborah J Ossip, Harry A Lando
BACKGROUND: The World Conference on Tobacco or Health (WCTOH) is held every three years to foster communication and collaboration on global tobacco control. Very little is known about the nature of interactions between WCTOH attendees and their linkages to tobacco control organizations, so knowing this information could help improve tobacco control efforts. METHODS: At the 2015 WCTOH, we implemented an online survey to assess barriers to global tobacco control activities, which information sources they use for tobacco control information, and with whom they interact regarding tobacco control...
April 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28426104/a-randomized-open-label-phase-iii-trial-comparing-amrubicin-versus-docetaxel-in-patients-with-previously-treated-non-small-cell-lung-cancer
#4
H Yoshioka, N Katakami, H Okamoto, Y Iwamoto, T Seto, T Takahashi, N Sunaga, S Kudoh, K Chikamori, M Harada, H Tanaka, H Saito, H Saka, K Takeda, N Nogami, N Masuda, T Harada, H Kitagawa, H Horio, T Yamanaka, M Fukuoka, N Yamamoto, K Nakagawa
Background: Amrubicin is approved for treating non-small-cell lung cancer (NSCLC) and small-cell lung cancer. However, no direct comparisons between amrubicin and docetaxel, a standard treatment for NSCLC, have been reported. Patients and methods: We conducted a randomized phase III trial of Japanese NSCLC patients after one or two chemotherapy regimens. Patients were randomized to amrubicin (35 mg/m2 on days 1-3 every 3 weeks) or docetaxel (60 mg/m2 on day 1 every 3 weeks)...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28425665/standardization-of-endoscopic-resection-for-colorectal-tumors-larger-than-10%C3%A2-mm-in-diameter
#5
Shiro Oka, Toshio Uraoka, Naoto Tamai, Hiroaki Ikematsu, Akiko Chino, Koichi Okamoto, Yoji Takeuchi, Kenichiro Imai, Ken Ohata, Hisashi Shiga, Spiro Raftopoulos, Bo-In Lee, Takahisa Matsuda
Currently, several endoscopic resection (ER) methods for colorectal tumors are available, including polypectomy, conventional endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD), and modified ER. In the present review, we mainly focus on the current status of ER for colorectal tumors as well as the report from the Endoscopic Forum Japan (EFJ) 2016, which was held in Tokyo in August 2016. The proposed ER methods for colorectal tumors larger than 10 mm in diameter are as follows. (i) Pedunculated-type tumor is an indication for polypectomy, regardless of size...
April 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28425649/efficacy-of-hybrid-endoscopic-submucosal-dissection-esd-as-a-rescue-treatment-in-difficult-colorectal-esd-cases
#6
Koichi Okamoto, Naoki Muguruma, Kaizo Kagemoto, Yasuhiro Mitsui, Daisaku Fujimoto, Shinji Kitamura, Tetsuo Kimura, Masahiro Sogabe, Hiroshi Miyamoto, Tetsuji Takayama
BACKGROUND AND AIM: Endoscopic submucosal dissection (ESD), which provides a higher en bloc resection rate than conventional endoscopic mucosal resection (EMR), is considered to be a useful treatment option for large colorectal tumors. However, colorectal ESD is not widely used because of its technical difficulty, risk of complications and time required. To overcome these drawbacks, a simpler modified technique, ESD with snaring (hybrid ESD), has been developed. The aim of the present study was to retrospectively compare the safety and efficacy of hybrid ESD and conventional ESD for colorectal tumors...
April 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28422902/evaluation-of-the-osteoinductive-effect-of-pdgf-bb-associated-with-different-carriers-in-bone-regeneration-in-bone-surgical-defects-in-rats
#7
Júlio César Silva de Oliveira, Roberta Okamoto, Celso Koogi Sonoda, Wilson Roberto Poi, Idelmo Rangel Garcia Júnior, Eloá Rodrigues Luvizuto
PURPOSE: Extensive bone defects in maxillofacial region can be corrected with autograft. However the disadvantages of this type of therapy lead to the search for new bone substitutes. Thus, we evaluated the biological behavior and osteoinductive platelet-derived growth factor type BB (PDGF-BB) associated with different carriers, by histological analysis and immunohistochemical histometric critical defects performed in rat calvaria. MATERIALS AND METHODS: Critical defects were created with 5-mm diameter calvaria of rats...
April 18, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28422281/wnk1-hsn2-founder-mutation-in-patients-with-hereditary-sensory-and-autonomic-neuropathy-a-japanese-cohort-study
#8
Jun-Hui Yuan, Akihiro Hashiguchi, Akiko Yoshimura, Norio Sakai, Masanori P Takahashi, Takehiro Ueda, Akira Taniguchi, Sayaka Okamoto, Nobuo Kanazawa, Yuki Yamamoto, Kazumasa Saigoh, Susumu Kusunoki, Masahiro Ando, Yu Hiramatsu, Yuji Okamoto, Hiroshi Takashima
The clinical and genetic spectrum of hereditary sensory and autonomic neuropathy (HSAN) is still unknown in Japan. We collected a broad cohort of 33 unrelated patients with predominant sensory and/or autonomic dysfunctions, who were referred to our genetic laboratory. A gene panel sequencing targeting 18 HSAN-related genes was performed using a next-generation sequencing system. A recurrent frame shift mutation in the WNK1/HSN2 gene, c.3237_3238insT (p.Asp1080*), was detected in five patients. This mutation was homozygous in four cases and of a compound heterozygous genotype in one case...
April 19, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28421395/clinical-interpretation-of-asymptomatic-medial-collateral-ligament-injury-observed-on-magnetic-resonance-imaging-in-adolescent-baseball-players
#9
Kenta Tanaka, Yoshikazu Okamoto, Takeshi Makihara, Kiyoshi Maehara, Tomohiro Yoshizawa, Manabu Minami, Masashi Yamazaki
PURPOSE: Magnetic resonance imaging (MRI) of medial collateral ligament (MCL) injury of the elbow was often observed in asymptomatic adolescent baseball players. We aimed to clarify the clinical interpretation of "asymptomatic MCL injury observed on MRI" by comparing MRI, ultrasonography (US), and physical findings. MATERIALS AND METHODS: Sixty-four asymptomatic adolescent baseball players (mean 11.2 years) were enrolled. An open-type 0.2T MRI was used. MCL function was evaluated by measuring the opening of the ulnohumeral joint using US...
April 18, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28420836/high-detection-rates-of-urine-mycobacterium-tuberculosis-in-patients-with-suspected-miliary-tuberculosis
#10
Toshinobu Yokoyama, Takashi Kinoshita, Masaki Okamoto, Kazuko Matsunaga, Tomoko Kamimura, Masaharu Kinoshita, Toru Rikimaru, Kazuhito Taguchi, Tomoaki Hoshino, Tomotaka Kawayama
Objective The utility of detecting Mycobacterium tuberculosis in urine samples from patients with pulmonary tuberculous with diffuse small nodular shadows (suspected miliary tuberculosis (MTB)) is still unclear in Japan. A retrospective cross-sectional study was conducted to investigate the detection rates of M. tuberculosis in urine of patients with suspected MTB. Methods Among 687 hospitalized patients with tuberculosis, 45 with culture-confirmed suspected MTB and the data of culture and polymerase chain reaction (PCR) for M...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28418244/applying-bayesian-approach-to-combinatorial-problem-in-chemistry
#11
Yasuharu Okamoto
A Bayesian optimization procedure, in combination with density functional theory calculations, was applied to a combinatorial problem in chemistry. As a specific example, we examined the stable structures of lithium-graphite intercalation compounds (Li-GICs). We found that this approach efficiently identified the stable structure of stage-I and -II Li-GICs by calculating 4 - 6% of the full search space. We expect that the approach will be helpful in solving problems in chemistry that can be regarded as a kind of combinatorial problem...
April 18, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28415821/deep-sequencing-based-microrna-expression-signatures-in-head-and-neck-squamous-cell-carcinoma-dual-strands-of-pre-mir-150-as-antitumor-mirnas
#12
Keiichi Koshizuka, Nijiro Nohata, Toyoyuki Hanazawa, Naoko Kikkawa, Takayuki Arai, Atsushi Okato, Ichiro Fukumoto, Koji Katada, Yoshitaka Okamoto, Naohiko Seki
We adopted into RNA-sequencing technologies to construct the microRNA (miRNA) expression signature of head and neck squamous cell carcinoma (HNSCC). Our signature revealed that a total of 160 miRNAs (44 upregulated and 116 downregulated) were aberrantly expressed in cancer tissues. Expression of miR-150-5p (guide strand miRNA) and miR-150-3p (passenger strand miRNA) were significantly silenced in cancer tissues, suggesting both miRNAs act as antitumor miRNAs in HNSCC cells. Ectopic expression of mature miRNAs, miR-150-5p and miR-150-3p inhibited cancer cell aggressiveness...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415254/anomalous-diffusion-in-viscoelastic-media-with-active-force-dipoles
#13
Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura
With the use of the "two-fluid model," we discuss anomalous diffusion induced by active force dipoles in viscoelastic media. Active force dipoles, such as proteins and bacteria, generate nonthermal fluctuating flows that lead to a substantial increment of the diffusion. Using the partial Green's function of the two-fluid model, we first obtain passive (thermal) two-point correlation functions such as the displacement cross-correlation function between the two-point particles separated by a finite distance. We then calculate active (nonthermal) one-point and two-point correlation functions due to active force dipoles...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28414991/modeling-the-detection-efficiency-of-an-hp-ge-detector-for-use-in-boron-neutron-capture-therapy
#14
Satoshi Nakamura, Akihisa Wakita, Masashi Ito, Hiroyuki Okamoto, Shie Nishioka, Kotaro Iijima, Kazuma Kobayashi, Teiji Nishio, Hiroshi Igaki, Jun Itami
The multi-foil method is commonly used to determine upon an energy spectrum of neutrons in boron neutron capture therapy. The method requires to measure the radioactivation of the foils. This study develops a simple modeling procedure of a high-purity Ge detector, which is used to measure the radioactivation, in order to calculate the detection efficiency with GEANT4. By changing four parameters from their manufacturing specifications of the detector, the simulated detection efficiency is able to reproduce the actual detection efficiency...
April 2, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28412653/the-relationship-between-dioxins-exposure-and-risk-of-prostate-cancer-with-steroid-hormone-and-age-in-vietnamese-men
#15
Xian Liang Sun, Teruhiko Kido, Seijiro Honma, Eitetsu Koh, Rie Okamoto, Ho Dung Manh, Shoko Maruzeni, Muneko Nishijo, Hideaki Nakagawa, Takeshi Nakano, Takumi Takasuga, Dang Duc Nhu, Nguyen Ngoc Hung, Le Ke Son
Although Vietnam's massive herbicide exposure in 1960s and 1970s was clearly injurious to health, not all causal relationships have been clarified. We therefore explored associations among dioxins, steroid hormones, age and prostate cancer risk in men. We compared serum levels of dioxin, steroid hormones and prostate specific antigen (PSA) in men aged 56-81years from herbicide-exposed hotspots (n=50) with those from non-sprayed regions (n=48). Mean serum levels of dioxin congeners in the hotspot group were 1...
April 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28408531/-68-ga-psma-11-pet-ct-interobserver-agreement-for-prostate-cancer-assessments-an-international-multicenter-prospective-study
#16
Wolfgang Peter Fendler, Jeremie Calais, Martin Allen-Auerbach, Christina Bluemel, Nina Eberhardt, Louise Emmett, Pawan Gupta, Markus Hartenbach, Thomas A Hope, Shozo Okamoto, Christian Helmut Pfob, Thorsten D Pöppel, Christoph Rischpler, Sarah Schwarzenböck, Vanessa Stebner, Marcus Unterrainer, Helle D Zacho, Tobias Maurer, Christian Gratzke, Alexander Crispin, Johannes Czernin, Ken Herrmann, Matthias Eiber
Background: The interobserver agreement for (68)Ga-PSMA-11 Positron Emission Tomography/Computed Tomography (PET/CT) study interpretations in patients with prostate cancer is unknown. Methods:(68)Ga-PSMA-11 PET/CT was performed in 50 patients with prostate cancer for biochemical recurrence (n = 25), primary diagnosis (n = 10), biochemical persistence after primary therapy (n = 5) or staging of known metastatic disease (n = 10). Images were reviewed by 16 observers who used a standardized approach for interpretation of local (T), nodal (N), bone (Mb), or visceral (Mc) involvement...
April 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28407563/recent-advances-in-fret-for-the-study-of-protein-interactions-and-dynamics
#17
REVIEW
Kenji Okamoto, Yasushi Sako
Förster/fluorescence resonance energy transfer (FRET) has been extensively used to detect the binding state or conformation of biomolecules. In the past few decades, various in vitro and in vivo applications of FRET measurement have been developed, including FRET probes, in-cell measurements, single-molecule measurements, and combination with computer simulation. In this review, we describe recent advances in FRET methods for examining biomolecular interactions and dynamics: (i) phasor plot analysis for quantitative analysis of protein interactions, (ii) single-molecule FRET measurement for detecting conformational dynamics in live cells, and (iii) data assimilation using molecular dynamics simulation to evaluate conformation of the whole protein...
April 10, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28398498/prognostic-factors-for-patients-with-brain-metastasis-from-gynecological-cancer-a-significance-of-treatment-free-interval-of-more-than-6-months
#18
Sho Takeshita, Yukiharu Todo, Yu Furuta, Kazuhira Okamoto, Shinichiro Minobe, Katsushige Yamashiro, Hidenori Kato
Objective: Treatment-free interval has been confirmed as a significant prognostic factor in recurrent gynecological cancers. However, treatment-free interval has not been evaluated in previous studies investigating brain metastasis from gynecological malignancies. The aim of the study was to establish a predictive model of survival period after brain metastasis from gynecological cancer. Methods: Of a total of 2848 patients with gynecological cancer, patients with brain metastasis were included in the study...
April 7, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28397615/modifiable-risk-factors-for-the-spread-of-klebsiella-pneumoniae-carbapenemase-producing-enterobacteriaceae-among-long-term-acute-care-hospital-patients
#19
Koh Okamoto, Michael Y Lin, Manon Haverkate, Karen Lolans, Nicholas M Moore, Shayna Weiner, Rosie D Lyles, Donald Blom, Yoona Rhee, Sarah Kemble, Louis Fogg, David W Hines, Robert A Weinstein, Mary K Hayden
OBJECTIVE To identify modifiable risk factors for acquisition of Klebsiella pneumoniae carbapenemase-producing Enterobacteriaceae (KPC) colonization among long-term acute-care hospital (LTACH) patients. DESIGN Multicenter, matched case-control study. SETTING Four LTACHs in Chicago, Illinois. PARTICIPANTS Each case patient included in this study had a KPC-negative rectal surveillance culture on admission followed by a KPC-positive surveillance culture later in the hospital stay. Each matched control patient had a KPC-negative rectal surveillance culture on admission and no KPC isolated during the hospital stay...
April 11, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28394464/novel-mca-id-syndrome-with-ash1l-mutation
#20
Nobuhiko Okamoto, Fuyuki Miya, Tatsuhiko Tsunoda, Mitsuhiro Kato, Shinji Saitoh, Mami Yamasaki, Yonehiro Kanemura, Kenjiro Kosaki
We identified a novel mutation in ASH1L in a patient with severe intellectual disability, growth failure, microcephaly, facial dysmorphism, myelination delay, and skeletal abnormalities. ASH1L is a histone methyltransferase that associates with the transcribed region of all active genes examined, including Hox genes. It catalyzes H3K36 methylation and plays important roles in development. There has been increasing evidence that heterozygous mutation of ASH1L is associated with ID and autism spectrum disorders...
April 10, 2017: American Journal of Medical Genetics. Part A
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