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https://www.readbyqxmd.com/read/28434701/upregulated-interleukins-il-6-il-10-and-il-13-in-immunoglobulin-g4-related-aortic-aneurysm-patients
#1
Satomi Kasashima, Atsuhiro Kawashima, Yoh Zen, Satoru Ozaki, Fuminori Kasashima, Masamitsu Endo, Yasushi Matsumoto, Kengo Kawakami
OBJECTIVE: Immunoglobulin (Ig) G4-related aortic aneurysms (IgG4-AAs) are a special aortic aneurysm among IgG4-related diseases (IgG4-RDs), which are inflammatory and fibrous conditions characterized by tumorous swelling of affected organs and high serum IgG4 concentrations. Recently, IgG4-RD pathogenesis was shown to be associated with T-helper-2 (Th2) and regulatory T (Treg) dominant cytokine production, such as interleukin (IL)-4, IL-10, and IL-13. IL-6 is a key proinflammatory cytokine contributing to lymphocyte and plasmacyte maturation and to atherosclerosis and aneurysm development...
April 20, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28431562/effects-of-the-common-polymorphism-in-the-human-aldehyde-dehydrogenase-2-aldh2-gene-on-the-lung
#2
Aoi Kuroda, Ahmed E Hegab, Gao Jingtao, Shuji Yamashita, Nobuyuki Hizawa, Tohru Sakamoto, Hideyasu Yamada, Satoshi Suzuki, Makoto Ishii, Ho Namkoong, Takanori Asakura, Mari Ozaki, Hiroyuki Yasuda, Junko Hamamoto, Shizuko Kagawa, Kenzo Soejima, Tomoko Betsuyaku
BACKGROUND: Aldehyde dehydrogenases (ALDHs) play a major role in detoxification of aldehydes. High expression of ALDHs is a marker for stem cells of many organs including the lungs. A common polymorphism in ALDH2 gene (ALDH2*2) results in inactivation of the enzyme and is associated with alcohol flushing syndrome and increased risk for cardiovascular and Alzheimer's diseases and some cancers. The effect of this ALDH2 polymorphism on the lung and its stem cells has not been thoroughly examined...
April 21, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28424481/the-first-genome-wide-association-study-identifying-new-susceptibility-loci-for-obstetric-antiphospholipid-syndrome
#3
Mayumi Sugiura-Ogasawara, Yosuke Omae, Minae Kawashima, Licht Toyo-Oka, Seik-Soon Khor, Hiromi Sawai, Tetsuya Horita, Tatsuya Atsumi, Atsuko Murashima, Daisuke Fujita, Tomio Fujita, Shinji Morimoto, Eriko Morishita, Shinji Katsuragi, Tamao Kitaori, Kinue Katano, Yasuhiko Ozaki, Katsushi Tokunaga
Antiphospholipid syndrome (APS) is the most important treatable cause of recurrent pregnancy loss. The live birth rate is limited to only 70-80% in patients with APS undergoing established anticoagulant therapy. Lupus anticoagulant (LA), but not anticardiolipin antibody (aCL), was found to predict adverse pregnancy outcome. Recent genome-wide association studies (GWAS) of APS focusing on aCL have shown that several molecules may be involved. This is the first GWAS for obstetric APS focusing on LA. A GWAS was performed to compare 115 Japanese patients with obstetric APS, diagnosed according to criteria of the International Congress on APS, and 419 healthy individuals...
April 20, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28420893/scoliosis-in-patients-with-severe-cerebral-palsy-three-different-courses-in-adolescents
#4
Yoshiaki Oda, Tomoyuki Takigawa, Yoshihisa Sugimoto, Masato Tanaka, Hirofumi Akazawa, Toshifumi Ozaki
Patients with cerebral palsy (CP) frequently present with scoliosis; however, the pattern of curve progression is difficult to predict. We aimed to clarify the natural course of the progression of scoliosis and to identify scoliosis predictors. This was a retrospective, single-center, observational study. Total of 92 CP patients from Asahikawasou Ryouiku Iryou Center in Okayama, Japan were retrospectively analyzed. Cobb angle, presence of hip dislocation and pelvic obliquity, and Gross Motor Function Classification System (GMFCS) were investigated...
April 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28416822/identification-of-six-new-genetic-loci-associated-with-atrial-fibrillation-in-the-japanese-population
#5
Siew-Kee Low, Atsushi Takahashi, Yusuke Ebana, Kouichi Ozaki, Ingrid E Christophersen, Patrick T Ellinor, Soichi Ogishima, Masayuki Yamamoto, Mamoru Satoh, Makoto Sasaki, Taiki Yamaji, Motoki Iwasaki, Shoichiro Tsugane, Keitaro Tanaka, Mariko Naito, Kenji Wakai, Hideo Tanaka, Tetsushi Furukawa, Michiaki Kubo, Kaoru Ito, Yoichiro Kamatani, Toshihiro Tanaka
Atrial fibrillation is the most common cardiac arrhythmia and leads to stroke. To investigate genetic loci associated with atrial fibrillation in the Japanese population, we performed a genome-wide association study (GWAS) that included 8,180 atrial fibrillation cases and 28,612 controls with follow-up in an additional 3,120 cases and 125,064 controls. We replicated previously reported loci and identified six new loci, near the KCND3, PPFIA4, SLC1A4-CEP68, HAND2, NEBL and SH3PXD2A genes. Five of the six new loci were specifically associated with atrial fibrillation in the Japanese population after comparing our data to those from individuals of European ancestry, suggesting that there might be different genetic factors affecting susceptibility across ancestry groups...
April 17, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28416188/a-giraffe-neck-sign-of-the-medial-meniscus-a-characteristic-finding-of-the-medial-meniscus-posterior-root-tear-on-magnetic-resonance-imaging
#6
Takayuki Furumatsu, Masataka Fujii, Yuya Kodama, Toshifumi Ozaki
BACKGROUND: The posterior root ligament of the medial meniscus (MM) has a critical role in regulating the MM movement. An accurate diagnosis of the MM posterior root tear (MMPRT) using magnetic resonance imaging (MRI) is important for preventing sequential osteoarthritis following the MMPRT. However, diagnosis of the MMPRT is relatively difficult even after using several characteristic MRI findings. The aim of this study was to identify a useful meniscal body sign of the MMPRT for improving diagnostic MRI reading...
April 13, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28414469/correlations-between-structure-and-near-infrared-spectra-of-saturated-and-unsaturated-carboxylic-acids-an-insight-from-anharmonic-dft-calculations
#7
Justyna Grabska, Mika Ishigaki, Krzysztof Bernard Beć, Marek Janusz Wojcik, Yukihiro Ozaki
By near-infrared (NIR) spectroscopy and anharmonic DFT calculations we investigate five kinds of saturated and unsaturated carboxylic acids belonging to the group of short-chain fatty acids; propionic acid, butyric acid, acrylic acid, crotonic acid and vinylacetic acid. The experimental NIR spectra of these five kinds of carboxylic acids are reproduced by quantum chemical calculations in a broad spectral region of 7500-4000 cm(-1) and for a wide range of concentrations. By employing anharmonic GVPT2 calculations on DFT level, a detailed interpretation of experimental spectra is achieved, elucidating structure-spectra correlations of these molecules in the NIR region...
April 17, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28413857/a-new-look-at-genetic-and-environmental-architecture-on-lipids-using-non-normal-structural-equation-modeling-in-male-twins-the-nhlbi-twin-study
#8
Sheng-Hui Wu, Koken Ozaki, Terry Reed, Ruth E Krasnow, Jun Dai
This study examined genetic and environmental influences on the lipid concentrations of 1028 male twins using the novel univariate non-normal structural equation modeling (nnSEM) ADCE and ACE models. In the best fitting nnSEM ADCE model that was also better than the nnSEM ACE model, additive genetic factors (A) explained 4%, dominant genetic factors (D) explained 17%, and common (C) and unique (E) environmental factors explained 47% and 33% of the total variance of high-density lipoprotein cholesterol (HDL-C)...
April 17, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28412600/dna-methylation-changes-at-trem2-intron-1-and-trem2-mrna-expression-in-patients-with-alzheimer-s-disease
#9
Yuki Ozaki, Yuta Yoshino, Kiyohiro Yamazaki, Tomoko Sao, Yoko Mori, Shinichiro Ochi, Taku Yoshida, Takaaki Mori, Jun-Ichi Iga, Shu-Ichi Ueno
OBJECTIVES: Recent genome-wide association studies revealed that Triggering receptor expressed on myeloid cells 2 (TREM2) was associated with Alzheimer's disease (AD) and other neurodegenerative diseases. We previously reported that TREM2 mRNA is highly expressed in leukocytes of AD patients compared to those in healthy controls. However, the mechanism of TREM2 expression change is still not known. In this study, we examined the involvement of the DNA methylation status of TREM2 in its high gene expression...
April 11, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28408622/a-host-dependent-prognostic-model-for-elderly-patients-with-diffuse-large-b-cell-lymphoma
#10
Katsuhiro Miura, Jun Konishi, Takaaki Miyake, Masanori Makita, Atsuko Hojo, Yasufumi Masaki, Masatoshi Uno, Jun Ozaki, Chikamasa Yoshida, Daigo Niiya, Koichi Kitazume, Yoshinobu Maeda, Jun Takizawa, Rika Sakai, Tomofumi Yano, Kazuhiko Yamamoto, Kazutaka Sunami, Yasushi Hiramatsu, Kazutoshi Aoyama, Hideki Tsujimura, Jun Murakami, Yoshihiro Hatta, Masatoshi Kanno
BACKGROUND: Decision-making models for elderly patients with diffuse large B-cell lymphoma (DLBCL) treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) are in great demand. PATIENTS AND METHODS: The Society of Lymphoma Treatment in Japan (SoLT-J), in collaboration with the West-Japan Hematology and Oncology Group (West-JHOG), collected and retrospectively analyzed the clinical records of ≥65-year-old patients with DLBCL treated with R-CHOP from 19 sites across Japan to build an algorithm that can stratify adherence to R-CHOP...
April 13, 2017: Oncologist
https://www.readbyqxmd.com/read/28397769/towards-a-long-term-strategy-for-voluntary-based-internal-radiation-contamination-monitoring-a-population-level-analysis-of-monitoring-prevalence-and-factors-associated-with-monitoring-participation-behavior-in-fukushima-japan
#11
Shuhei Nomura, Masaharu Tsubokura, Akihiko Ozaki, Michio Murakami, Susan Hodgson, Marta Blangiardo, Yoshitaka Nishikawa, Tomohiro Morita, Tomoyoshi Oikawa
Following Japan's 2011 Fukushima nuclear incident, we assessed voluntary-based monitoring behavior in Minamisoma City-located 10-40 km from the Fukushima nuclear plant-to inform future monitoring strategies. The monitoring in Minamisoma included occasional free of charge internal-radiation-exposure measurements. Out of around 70,000 individuals residing in the city before the incident, a total of 45,788 residents (female: 52.1%) aged ≥21 were evaluated. The monitoring prevalence in 2011-2012 was only 30.2%, and this decreased to 17...
April 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28395277/exploratory-research-on-latent-esophageal-motility-disorders-in-dysphagia-patients
#12
Shinpei Kawaguchi, Toshihisa Takeuchi, Yousuke Inoue, Yoshiaki Takahashi, Haruhiko Ozaki, Kazuhiro Ota, Satoshi Harada, Shoko Edogawa, Yuichi Kojima, Hiroshi Yamashita, Takumi Fukuchi, Kiyoshi Ashida, Kazuhide Higuchi
BACKGROUND/AIMS: High-resolution manometry (HRM) has been applied to assess esophageal motility disorders. However, the frequency and types of motility disorders in patients with dysphagia, which are frequently seen in clinical practice, are not clear. We evaluated latent esophageal motility disorders associated with dysphagia. METHODS: The study included patients without erosive esophageal mucosal damage and with dysphagia symptoms refractory to at least 8 weeks of standard-dose proton pump inhibitors...
April 11, 2017: Digestion
https://www.readbyqxmd.com/read/28391764/physiological-positioning-strategy-alters-condylar-position-after-mandibular-ramus-sagittal-split-osteotomies-for-mandibular-prognathism
#13
Seigo Ohba, Hiroya Ozaki, Kei-Ichirou Miura, Takamitsu Koga, Takako Kawasaki, Noriaki Yoshida, Izumi Asahina
OBJECTIVE: The aim of this study was to elucidate the physiological position of the proximal segment for postoperative jaw movement in patients with mandibular prognathism. METHODS: Twenty-two patients with mandibular prognathism were treated by orthognathic surgery using bilateral mandibular sagittal split ramus osteotomies (SSRO) with a physiological positioning strategy. The skeletal stability was assessed, and the movement of the proximal segment was evaluated by cephalography and computed tomography performed preoperatively, immediately postoperatively, and one year postoperatively...
April 8, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28388786/critical-evaluation-of-nir-and-atr-ir-spectroscopic-quantifications-of-rosmarinic-acid-in-rosmarini-folium-supported-by-quantum-chemical-calculations
#14
Christian G Kirchler, Cornelia K Pezzei, Krzysztof B Beć, Raphael Henn, Mika Ishigaki, Yukihiro Ozaki, Christian W Huck
The present study evaluates the analytical performance of near infrared as well as attenuated total reflection infrared spectroscopy for the determination of the rosmarinic acid content in Rosmarini folium. Therefore, the recorded near infrared and attenuated total reflection infrared spectra of 42 milled Rosmarini folium samples were correlated with reference data (range: 1.138-2.199 rosmarinic acid %) obtained by HPLC analysis. Partial least squares regression models were established as a quantitative multivariate data analysis tool...
April 7, 2017: Planta Medica
https://www.readbyqxmd.com/read/28388197/suppression-of-trapped-energetic-ions-driven-resistive-interchange-modes-with-electron-cyclotron-heating-in-a-helical-plasma
#15
X D Du, K Toi, S Ohdachi, K Y Watanabe, H Takahashi, Y Yoshimura, M Osakabe, R Seki, T Nicolas, H Tsuchiya, K Nagaoka, K Ogawa, K Tanaka, M Isobe, M Yokoyama, M Yoshinuma, S Kubo, S Sakakibara, T Bando, T Ido, T Ozaki, Y Suzuki, Y Takemura
The resistive interchange mode destabilized by the resonant interaction with the trapped energetic ions is fully suppressed when the injected power of electron cyclotron heating exceeds a certain threshold. It is shown for the first time that the complete stabilization of the energetic-particle-driven mode without relaxing the energetic particle (EP) pressure gradient is possible by reducing the radial width of the eigenmodes δ_{w}, especially when δ_{w} narrows to a small enough value relative to the finite orbit width of EP...
March 24, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28388057/compression-induced-conformation-and-orientation-changes-in-an-n-alkane-monolayer-on-a-au-111-surface
#16
Osamu Endo, Masashi Nakamura, Kenta Amemiya, Hiroyuki Ozaki
The influence of the preparation method and adsorbed amount of n-tetratetracontane (n-C44H90) on its orientation in a monolayer on the Au(111) surface is studied by near carbon K-edge X-ray absorption fine structure spectroscopy (C K-NEXAFS), scanning tunneling microscopy (STM) under ultrahigh vacuum, and infrared reflection-absorption spectroscopy (IRAS) at the electrochemical interface in sulfuric acid solution. The n-C44H90 molecules form self-assembled lamellar structures with the chain axis parallel to the surface, as observed by STM...
April 13, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28385652/hmus-from-yersinia-pseudotuberculosis-is-a-non-canonical-heme-degrading-enzyme-to-acquire-iron-from-heme
#17
Masato Onzuka, Yukari Sekine, Takeshi Uchida, Koichiro Ishimori, Shin-Ichi Ozaki
Some Gram-negative pathogens import host heme into the cytoplasm and utilize it as an iron source for their survival. We report here that HmuS, encoded by the heme utilizing system (hmu) locus, cleaves the protoporphyrin ring to release iron from heme. A liquid chromatography/mass spectrometry analysis revealed that the degradation products of this reaction are two biliverdin isomers that result from transformation of a verdoheme intermediate. This oxidative heme degradation by HmuS required molecular oxygen and electrons supplied by either ascorbate or NADPH...
April 3, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28384208/comparison-of-renal-response-to-four-different-induction-therapies-in-japanese-patients-with-lupus-nephritis-class-iii-or-iv-a-single-centre-retrospective-study
#18
Hironari Hanaoka, Tomofumi Kiyokawa, Harunobu Iida, Kana Ishimori, Yukiko Takakuwa, Takahiro Okazaki, Hidehiro Yamada, Daisuke Ichikawa, Sayuri Shirai, Junki Koike, Shoichi Ozaki
The recent recommendations for the management of lupus nephritis suggest that racial background should be considered while choosing induction therapy. However, the responses to different induction regimens have been poorly studied in Japanese population. Here, we assessed the renal response to different induction therapies in Japanese patients with lupus nephritis class III or IV. The records of 64 patients with biopsy-proven lupus nephritis class III or IV were retrospectively evaluated according to therapy received: monthly intravenous cyclophosphamide (IVCY), the Euro-lupus nephritis trial (ELNT) protocol-IVCY, tacrolimus (TAC), or mycophenolate mofetil (MMF)...
2017: PloS One
https://www.readbyqxmd.com/read/28380419/clinical-significance-of-circulating-mir-25-3p-as-a-novel-diagnostic-and-prognostic-biomarker-in-osteosarcoma
#19
Tomohiro Fujiwara, Koji Uotani, Aki Yoshida, Takuya Morita, Yutaka Nezu, Eisuke Kobayashi, Akihiko Yoshida, Takenori Uehara, Toshinori Omori, Kazuhisa Sugiu, Tadashi Komatsubara, Ken Takeda, Toshiyuki Kunisada, Machiko Kawamura, Akira Kawai, Takahiro Ochiya, Toshifumi Ozaki
BACKGROUND: Emerging evidence has suggested that circulating microRNAs (miRNAs) in body fluids have novel diagnostic and prognostic significance for patients with malignant diseases. The lack of useful biomarkers is a crucial problem of bone and soft tissue sarcomas; therefore, we investigated the circulating miRNA signature and its clinical relevance in osteosarcoma. METHODS: Global miRNA profiling was performed using patient serum collected from a discovery cohort of osteosarcoma patients and controls and cell culture media...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28374966/apoptosis-dysbiosis-and-expression-of-inflammatory-cytokines-are-sequential-events-in-the-development-of-5-fluorouracil-induced-intestinal-mucositis-in-mice
#20
Nahla Hamouda, Tatsushi Sano, Yosuke Oikawa, Toru Ozaki, Masaki Shimakawa, Kenjiro Matsumoto, Kikuko Amagase, Kazuhide Higuchi, Shinichi Kato
The chemotherapeutic agent 5-fluorouracil (5-FU) causes intestinal mucositis with severe diarrhoea but the pathogenesis is not fully understood. In the present study, we investigated the pathogenic effects of 5-FU in mice, focusing on apoptosis, enterobacteria and inflammatory cytokines. Repeated administration of 5-FU caused severe intestinal mucositis on day 6, accompanied by diarrhoea and body weight loss. TNF-α expression increased one day after exposure to the drug, and spiked a second time on day 4, at which point myeloperoxidase activity and IL-1β expression also increased...
April 4, 2017: Basic & Clinical Pharmacology & Toxicology
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