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https://www.readbyqxmd.com/read/30093289/inactivated-influenza-vaccine-effectiveness-and-an-analysis-of-repeated-vaccination-for-children-during-the-2016-17-season
#1
Masayoshi Shinjoh, Norio Sugaya, Yoshio Yamaguchi, Noriko Iibuchi, Isamu Kamimaki, Anna Goto, Hisato Kobayashi, Yasuaki Kobayashi, Meiwa Shibata, Satoshi Tamaoka, Yuji Nakata, Atsushi Narabayashi, Mitsuhiro Nishida, Yasuhiro Hirano, Takeshi Munenaga, Kumiko Morita, Keiko Mitamura, Takao Takahashi
OBJECTIVES: We assessed the vaccine effectiveness (VE) of inactivated influenza vaccine (IIV) in children 6 months to 15 years of age during the 2016/17 season. In addition, we estimated the impact of repeated vaccination in children on VE. METHODS: Our study for VEs in preventing influenza and admission due to influenza were conducted according to a test-negative case-control design (TNCC) based on influenza rapid diagnostic test results. We also analyzed the VE by vaccine status in the current and previous seasons for the impact of repeated vaccination...
August 6, 2018: Vaccine
https://www.readbyqxmd.com/read/30092680/the-three-year-efficacy-of-iguratimod-in-clinical-daily-practice-in-patients-with-rheumatoid-arthritis
#2
Takahito Suto, Yukio Yonemoto, Koichi Okamura, Hideo Sakane, Kimihiko Takeuchi, Yasuyuki Tamura, Tetsuya Kaneko, Keio Ayabe, Hirotaka Chikuda
OBJECTIVES: To assess the middle-term outcome of iguratimod (IGU) in rheumatoid arthritis (RA) patients. METHODS: Sixty-nine RA patients (14 males and 55 females, mean age of 64.0 years) receiving IGU-containing therapies were enrolled. We divided these patients into three groups based on the treatment at the baseline: an IGU group, a Methotrexate (MTX) plus IGU group, and a biologics plus IGU group. The baseline characteristics and clinical course were evaluated over three years...
August 10, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/30030227/microbial-cell-factories-%C3%A3-la-carte-elimination-of-global-regulators-cra-and-arca-generates-metabolic-backgrounds-suitable-for-the-synthesis-of-bioproducts-in-escherichia-coli
#3
Diego E Egoburo, Rocío Diaz Peña, Daniela S Alvarez, Manuel S Godoy, Mariela P Mezzina, M Julia Pettinari
Manipulation of global regulators is one of the strategies used for the construction of bacterial strains suitable for the synthesis of bioproducts. However, the pleiotropic effects of these regulators can vary in different conditions and are often strain dependent. This study analyzed the effects of ArcA, CreC, Cra and Rob using single deletion mutants of the well characterized and completely sequenced Escherichia coli strain BW25113. Comparison of the effects of each regulator on the synthesis of major extracellular metabolites, tolerance to several compounds and synthesis of native and non-native bioproducts in different growth conditions allowed the discrimination of the particular phenotypes that can be attributed to the individual mutants, and singled out Cra and ArcA as the regulators with the most important effects on bacterial metabolism...
July 20, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/30005658/association-between-six-minute-walk-test-parameters-and-the-health-related-quality-of-life-in-patients-with-pulmonary-mycobacterium-avium-complex-disease
#4
Kazuma Yagi, Takanori Asakura, Ho Namkoong, Shoji Suzuki, Takahiro Asami, Satoshi Okamori, Tatsuya Kusumoto, Yohei Funatsu, Hirofumi Kamata, Tomoyasu Nishimura, Makoto Ishii, Tomoko Betsuyaku, Naoki Hasegawa
BACKGROUND: Pulmonary Mycobacterium avium complex (pMAC) disease is a chronic, slowly progressive disease. The aim of the present study was to determine the association of six-minute walk test (6MWT) parameters with pulmonary function and the health-related quality of life (HRQL) in patients with pMAC disease. METHODS: This cross-sectional study included adult patients with pMAC and was conducted at Keio University Hospital. We investigated the relationship of 6MWT parameters with clinical parameters, including pulmonary function, and HRQL, which was assessed using the 36-Item Short Form Health Survey (SF-36) and St...
July 13, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29986482/using-a-chemical-genetic-screen-to-enhance-our-understanding-of-the-antibacterial-properties-of-silver
#5
Natalie Gugala, Joe Lemire, Kate Chatfield-Reed, Ying Yan, Gordon Chua, Raymond J Turner
It is essential to understand the mechanisms by which a toxicant is capable of poisoning the bacterial cell. The mechanism of action of many biocides and toxins, including numerous ubiquitous compounds, is not fully understood. For example, despite the widespread clinical and commercial use of silver (Ag), the mechanisms describing how this metal poisons bacterial cells remains incomplete. To advance our understanding surrounding the antimicrobial action of Ag, we performed a chemical genetic screen of a mutant library of Escherichia coli —the Keio collection, in order to identify Ag sensitive or resistant deletion strains...
July 6, 2018: Genes
https://www.readbyqxmd.com/read/29949978/convolutional-neural-networks-for-classification-of-alignments-of-non-coding-rna-sequences
#6
Genta Aoki, Yasubumi Sakakibara
Motivation: The convolutional neural network (CNN) has been applied to the classification problem of DNA sequences, with the additional purpose of motif discovery. The training of CNNs with distributed representations of four nucleotides has successfully derived position weight matrices on the learned kernels that corresponded to sequence motifs such as protein-binding sites. Results: We propose a novel application of CNNs to classification of pairwise alignments of sequences for accurate clustering of sequences and show the benefits of the CNN method of inputting pairwise alignments for clustering of non-coding RNA (ncRNA) sequences and for motif discovery...
July 1, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29946993/antimicrobial-properties-of-ternary-eutectic-aluminum-alloys
#7
Claudia Hahn, Michael Hans, Christina Hein, Anne Dennstedt, Frank Mücklich, Petra Rettberg, Christine Elisabeth Hellweg, Lars Ingo Leichert, Christopher Rensing, Ralf Moeller
Several Escherichia coli deletion mutants of the Keio collection were selected for analysis to better understand which genes may play a key role in copper or silver homeostasis. Each of the selected E. coli mutants had a deletion of a single gene predicted to encode proteins for homologous recombination or contained functions directly linked to copper or silver transport or transformation. The survival of these strains on pure copper surfaces, stainless steel, and alloys of aluminum, copper and/or silver was investigated...
June 27, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29914953/genes-and-proteins-involved-in-qnrs1-induction
#8
Rubén Monárrez, Yin Wang, Yingmei Fu, Chun-Hsing Liao, Ryo Okumura, Molly R Braun, George A Jacoby, David C Hooper
Expression of the quinolone resistance gene qnrS1 is increased by quinolones, but, unlike induction of some other qnr genes, the bacterial SOS system is not involved and no lexA box is found upstream. Nonetheless, at least 205-bp of upstream sequence is required for induction to take place. An upstream sequence bound to beads trapped potential binding proteins from cell extracts that were identified by mass spectrometry as Dps, Fis, Ihf, Lrp, CysB, and YjhU. To further elucidate their role a reporter plasmid linking the qnrS1 upstream sequence to lacZ was introduced into cells of the Keio collection with single gene deletions and screened for lacZ expression...
June 18, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29862956/health-related-qol-of-elderly-patients-with-pulmonary-m-avium-complex-disease-in-a-university-hospital
#9
T Asakura, M Ishii, K Ishii, S Suzuki, H Namkoong, S Okamori, H Kamata, K Yagi, Y Funatsu, T Betsuyaku, N Hasegawa
BACKGROUND: Little is known about the clinical characteristics and health-related quality of life (HQOL) of elderly patients with pulmonary Mycobacterium avium complex (pMAC) disease. OBJECTIVES: To evaluate HQOL using the 36-Item Short-Form Health Survey and St George's Respiratory Questionnaire (SGRQ) and to investigate the predictors of HQOL changes among elderly patients with pMAC disease. METHODS: This prospective cohort registry was conducted at Keio University Hospital, Tokyo, Japan, between May 2012 and July 2015 and included 84 patients with pMAC disease aged 75 years who had completed the HQOL questionnaire and 48 patients with pMAC disease who had been followed up and completed the HQOL questionnaire in cross-sectional and longitudinal analyses, respectively...
June 1, 2018: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29861053/refractive-outcomes-of-intraocular-lens-power-calculation-using-different-corneal-power-measurements-with-a-new-optical-biometer
#10
Giacomo Savini, Kazuno Negishi, Kenneth J Hoffer, Domenico Schiano Lomoriello
PURPOSE: To evaluate the results of intraocular lens (IOL) power calculation using different corneal power measurements provided by an optical biometer combined with a dual Scheimpflug analyzer and a Placido disk topographer (Galilei G6). SETTING: G.B. Bietti Foundation, Rome, Italy, and Keio University Hospital, Tokyo, Japan. DESIGN: Evaluation of diagnostic technology. METHODS: Consecutive patients having cataract surgery were enrolled...
June 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29774152/acquisition-of-double-mutation-in-gyra-caused-high-resistance-to-sitafloxacin-in-helicobacter-pylori-after-unsuccessful-eradication-with-sitafloxacin-containing-regimens
#11
Hideki Mori, Hidekazu Suzuki, Juntaro Matsuzaki, Tatsuhiro Masaoka, Takanori Kanai
Background and aim: Although sitafloxacin (STFX)-containing regimens are effective rescue treatments for Helicobacter pylori infection, prevalence of fluoroquinolone resistance in H. pylori has increased rapidly worldwide. The change in resistance levels and gyrA mutations, a major cause of fluoroquinolone resistance, after unsuccessful STFX-containing treatment has not been investigated. Methods: We conducted a retrospective, non-randomized study to compare the minimum inhibitory concentrations (MICs) of STFX and the location of gyrA mutations in H...
April 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29720140/clinical-utility-of-blood-neutrophil-lymphocyte-ratio-in-japanese-copd-patients
#12
Kaori Sakurai, Shotaro Chubachi, Hidehiro Irie, Akihiro Tsutsumi, Naofumi Kameyama, Takashi Kamatani, Hidefumi Koh, Takeshi Terashima, Hidetoshi Nakamura, Koichiro Asano, Tomoko Betsuyaku
BACKGROUND: Neutrophil-to-lymphocyte ratio (NLR) is a biomarker of inflammation in chronic obstructive pulmonary disease (COPD) patients. But, a meaningful threshold and the longitudinal changes are unknown. We aimed to investigate the association between NLR and the clinical characteristics of COPD patients and to determine a meaningful threshold and the longitudinal changes for NLR. METHODS: Keio University and its affiliate hospitals conducted an observational COPD cohort study over 3 years...
May 2, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29687661/clinicopathologic-features-of-hormone-receptor-positive-breast-cancer-patients-with-late-recurrence
#13
Takeshi Murata, Hiromitsu Jinno, Maiko Takahashi, Masayuki Shimoda, Tetsu Hayashida, Kaori Kameyama, Yuko Kitagawa
The number of long-term breast cancer survivors with a risk of late recurrence is increasing. Hormone-receptor-positive patients have greater risks of late recurrence. Although several studies demonstrated that extended adjuvant endocrine therapy reduces the incidence of late recurrence, it remains unclear which hormone-receptor-positive patients have greater risks of late recurrence. Hormone-receptor-positive breast cancer patients were retrospectively selected from the prospective database of primary breast cancer patients treated at Keio University Hospital from January 1989 to December 2003...
April 23, 2018: Breast Journal
https://www.readbyqxmd.com/read/29657720/promising-novel-therapy-with-hydrogen-gas-for-emergency-and-critical-care-medicine
#14
REVIEW
Motoaki Sano, Masaru Suzuki, Koichiro Homma, Kei Hayashida, Tomoyoshi Tamura, Tadashi Matsuoka, Yoshinori Katsumata, Shuko Onuki, Junichi Sasaki
It has been reported that hydrogen gas exerts a therapeutic effect in a wide range of disease conditions, from acute illness such as ischemia-reperfusion injury, shock, and damage healing to chronic illness such as metabolic syndrome, rheumatoid arthritis, and neurodegenerative diseases. Antioxidant and anti-inflammatory properties of hydrogen gas have been proposed, but the molecular target of hydrogen gas has not been identified. We established the Center for Molecular Hydrogen Medicine to promote non-clinical and clinical research on the medical use of hydrogen gas through industry-university collaboration and to obtain regulatory approval of hydrogen gas and hydrogen medical devices (http://www...
April 2018: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29493842/prognostic-significance-of-grade-3-4-neutropenia-in-japanese-prostate-cancer-patients-treated-with-cabazitaxel
#15
Takeo Kosaka, Toshiaki Shinojima, Shinya Morita, Mototsugu Oya
The present study aimed to evaluate the efficacy of cabazitaxel in Japanese patients affected by metastatic castration-resistant prostate cancer (mCRPC) previously treated with a docetaxel-containing regimen. In this retrospective study, 41 patients with mCRPC treated with cabazitaxel at Keio University Hospital were retrospectively reviewed. Cabazitaxel at a dose of 20-25 mg/m² was administered every 3 or 4 weeks. Clinicopathological factors and laboratory data were collected to assess the prognostic factors for overall survival (OS) and progression-free survival (PFS)...
May 2018: Cancer Science
https://www.readbyqxmd.com/read/29423432/complications-and-outcomes-of-routine-endoscopy-in-the-very-elderly
#16
Ryoichi Miyanaga, Naoki Hosoe, Makoto Naganuma, Kenro Hirata, Seiichiro Fukuhara, Yoshihiro Nakazato, Keisuke Ojiro, Eisuke Iwasaki, Naohisa Yahagi, Haruhiko Ogata, Takanori Kanai
Background and study aims:  In Japan, the elderly population has been increasing annually. The number of elderly patients for whom esophagogastroduodenoscopy (EGD) and colonoscopy (CS) is indicated also has been rising. The aim of this study was to evaluate the safety and efficacy of routine endoscopy in a cohort of octogenarians aged 85 years and older - defined by the World Health Organization as the very elderly. Patients and methods:  A total of 5,586 patients underwent EGDs, and 2,484 patients underwent CSs performed at the Keio University Hospital from January to September 2014...
February 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29415819/a-new-class-of-drugs-for-heart-failure-sglt2-inhibitors-reduce-sympathetic-overactivity
#17
REVIEW
Motoaki Sano
Even in the presence of excess glucose, the proximal renal tubules continue to resorb more glucose. Sodium glucose cotransporter 2 (SGLT2) inhibitors are drugs that control this "greed" (H. Ito, Keio University, Japan). Negative feedback mechanisms maintain homeostasis for various physiological functions. However, there is no negative feedback mechanism for resorption of glucose by the proximal renal tubules. When food was scarce during human evolution, not limiting nutrient reabsorption was advantageous for survival, but the opposite is true in the era of satiation...
May 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29398578/real-world-efficacy-and-safety-of-nivolumab-for-advanced-non-small-cell-lung-cancer-a-retrospective-multicenter-analysis
#18
Keigo Kobayashi, Ichiro Nakachi, Katsuhiko Naoki, Ryosuke Satomi, Morio Nakamura, Takashi Inoue, Hiroki Tateno, Fumio Sakamaki, Koichi Sayama, Takeshi Terashima, Hidefumi Koh, Takayuki Abe, Makoto Nishino, Daisuke Arai, Hiroyuki Yasuda, Ichiro Kawada, Kenzo Soejima, Tomoko Betsuyaku
BACKGROUND: Nivolumab, an immune checkpoint inhibitor, is now a standard treatment for previously treated advanced non-small-cell lung cancer based on the results from phase III clinical trials. We evaluated the real-world efficacy and safety of nivolumab in a nonselected population and identified the clinical characteristics that influence efficacy. MATERIALS AND METHODS: A total of 142 patients with advanced non-small-cell lung cancer who were administered nivolumab at Keio University and affiliated hospitals in Japan from January to July 2016 were enrolled...
May 2018: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29361343/three-season-effectiveness-of-inactivated-influenza-vaccine-in-preventing-influenza-illness-and-hospitalization-in-children-in-japan-2013-2016
#19
Norio Sugaya, Masayoshi Shinjoh, Yuji Nakata, Kenichiro Tsunematsu, Yoshio Yamaguchi, Osamu Komiyama, Hiroki Takahashi, Keiko Mitamura, Atsushi Narabayashi, Takao Takahashi
OBJECTIVES: We assessed the vaccine effectiveness (VE) of inactivated influenza vaccine (IIV) in children 6 months to 15 years of age in 2015/16 season. In addition, based on the data obtained during the three seasons from 2013 to 2016, we estimated the three-season VE in preventing influenza illness and hospitalization. METHODS: Our study was conducted according to a test-negative case-control design (TNCC) and as a case-control study based on influenza rapid diagnostic test results...
February 14, 2018: Vaccine
https://www.readbyqxmd.com/read/29282603/perioperative-risk-calculator-predicts-long-term-oncologic-outcome-for-patients-with-esophageal-carcinoma
#20
Masashi Takeuchi, Hiroya Takeuchi, Hirofumi Kawakubo, Eisuke Booka, Shuhei Mayanagi, Kazumasa Fukuda, Rieko Nakamura, Koichi Suda, Norihito Wada, Yuko Kitagawa
BACKGROUND: Few risk models have been provided to predict long-term prognosis after esophagectomy. This study investigated the reliability of a risk calculator as well as classification and regression trees analysis for predicting long-term prognosis after esophagectomy for esophageal cancer. METHODS: The study enrolled 438 patients who underwent esophagectomy at Keio University Hospital, Tokyo, Japan, between July 2000 and June 2016. Patients who underwent R0 or R1 resection or esophagectomy with combined resection of other organs were included...
March 2018: Annals of Surgical Oncology
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