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https://www.readbyqxmd.com/read/29781507/effect-of-estradiol-on-fibroblasts-from-postmenopausal-idiopathic-carpal-tunnel-syndrome-patients
#1
Yoshiaki Yamanaka, Kunitaka Menuki, Takafumi Tajima, Yasuaki Okada, Kenji Kosugi, Yukichi Zenke, Akinori Sakai
Fibrosis of the subsynovial connective tissue (SSCT) is a characteristic finding in patients with idiopathic carpal tunnel syndrome (CTS). Idiopathic CTS frequently occurs in postmenopausal women; therefore, female steroid hormones, especially estrogens, may be involved in its development. In this study, we evaluated the effect of the estradiol on the expression of genes and proteins related to fibrosis of SSCT fibroblasts from patients with idiopathic CTS. This study included 10 postmenopausal women (mean age 76 years)...
May 21, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29780632/management-pathways-for-solitary-pulmonary-nodules
#2
REVIEW
Masaoki Ito, Yoshihiro Miyata, Morihito Okada
Pulmonary nodules are often detected during the clinical course of several diseases or through routine screening. Various guidelines have proposed management algorithms for suspicious solitary nodules in lung cancer. Generally, solitary pulmonary nodules are managed according to nodule appearance and risk of lung cancer using low-dose, thin section computed tomography (CT). Liquid biopsy is promising for diagnosis, therapeutic-monitoring and follow-up in lung cancer; however, diagnosis and management pathways based on genetic examination alone have not been established...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29780154/simultaneous-presentation-of-giant-cell-arteritis-and-myelodysplastic-syndrome-in-an-elderly-japanese-man
#3
Hajime Senjo, Takakazu Higuchi, Masaya Morimoto, Ryosuke Koyamada, Chisun Yanaoka, Sadamu Okada
An 81-year-old Japanese man presented with constitutional symptoms and anemia and was diagnosed with giant cell arteritis (GCA) and myelodysplastic syndrome (MDS) simultaneously. His symptoms and anemia improved promptly with steroids; however, the MDS rapidly progressed to overt leukemia. While MDS patients are at an increased risk of autoimmune diseases, an association with GCA has rarely been reported. This case illustrates the importance of considering GCA as a cause of anemia in elderly patients if MDS is already diagnosed, even in countries where the prevalence of GCA is very low...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780143/improvement-of-the-left-ventricular-function-after-tricuspid-valve-plasty-for-traumatic-tricuspid-regurgitation
#4
Taiji Okada, Kaori Mogi, Akihiro Endo, Hiroyuki Yoshitomi, Teiji Oda, Kazuaki Tanabe
Traumatic tricuspid regurgitation (TR) is a rare cardiovascular complication in chest trauma. Changes in the left ventricle (LV) function after operation are unclear. A 61-year-old woman who had been involved in a traffic accident 1 month earlier presented with exertional dyspnea. Transthoracic echocardiography (TTE) showed severe tricuspid regurgitation (TR) accompanied by LV dysfunction due to anterior leaflet prolapse with papillary muscle rupture. After tricuspid plasty, the LV function improved, as evidenced by TTE and speckle tracking echocardiography...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780121/risk-factors-for-hypoglycemic-coma-a-study-of-33-patients-on-insulin-therapy-who-were-transported-to-the-hospital-by-ambulance
#5
Takashi Otsuka, Yosuke Okada, Keiichi Torimoto, Yoshiya Tanaka
Objective Patients on outpatient insulin therapy are at a high risk of severe hypoglycemia and a high incidence of hypoglycemic coma. However, only a few studies have explored the risk factors for hypoglycemic coma in such patients. We retrospectively analyzed the clinical characteristics of diabetic patients who had developed hypoglycemic coma during outpatient insulin therapy. Methods This study included 33 diabetic patients on insulin therapy who were transported to the hospital by ambulance for severe hypoglycemia...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780062/effect-of-chlorella-ingestion-on-oxidative-stress-and-fatigue-symptoms-in-healthy-men
#6
Hirotaka Okada, Noriko Yoshida, Tatsuyuki Kakuma, Kouji Toyomasu
OBJECTIVE: We examined the effects of dietary chlorella ingestion on oxidative stress and fatigue symptoms in healthy men under resting and fatigue conditions. METHOD: We conducted a double-blind, parallel-arm controlled study. Twenty-seven healthy male volunteers (mean age, 35.4±10.4 years) were randomly divided into the chlorella and placebo groups, and received chlorella (6 g/day) and lactose as placebo (7.2 g/day), respectively, for 4 weeks. To simulate mild fatigue, subjects underwent exercise (40% of the heart rate reserve) for 30 minutes...
May 21, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29779072/intratumoral-heterogeneity-on-dedicated-breast-positron-emission-tomography-predicts-malignancy-grade-of-breast-cancer
#7
Norio Masumoto, Takayuki Kadoya, Shinsuke Sasada, Akiko Emi, Koji Arihiro, Morihito Okada
PURPOSE: Dedicated breast positron emission tomography (DbPET) provides detailed high-resolution images and can detect intratumoral heterogeneity using 18 F-fluorodeoxyglucose (FDG). We aimed to evaluate the correlation between FDG uptake on DbPET and the clinicopathological features of breast cancer, particularly those with an intratumoral heterogeneous distribution of FDG on DbPET. METHODS: We evaluated 195 consecutive patients with invasive breast cancer who underwent preoperative whole-body PET (WBPET) and DbPET concurrently between January 2016 and March 2017...
May 19, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29779033/genome-wide-association-study-of-renal-function-traits-results-from-the-japan-multi-institutional-collaborative-cohort-study
#8
Asahi Hishida, Masahiro Nakatochi, Masato Akiyama, Yoichiro Kamatani, Takeshi Nishiyama, Hidemi Ito, Isao Oze, Yuichiro Nishida, Megumi Hara, Naoyuki Takashima, Tanvir Chowdhury Turin, Miki Watanabe, Sadao Suzuki, Rie Ibusuki, Ippei Shimoshikiryo, Yohko Nakamura, Haruo Mikami, Hiroaki Ikezaki, Norihiro Furusyo, Kiyonori Kuriki, Kaori Endoh, Teruhide Koyama, Daisuke Matsui, Hirokazu Uemura, Kokichi Arisawa, Tae Sasakabe, Rieko Okada, Sayo Kawai, Mariko Naito, Yukihide Momozawa, Michiaki Kubo, Kenji Wakai
BACKGROUND: Chronic kidney disease (CKD) is a rapidly growing, worldwide public health problem. Recent advances in genome-wide-association studies (GWAS) revealed several genetic loci associated with renal function traits worldwide. METHODS: We investigated the association of genetic factors with the levels of serum creatinine (SCr) and the estimated glomerular filtration rate (eGFR) in Japanese population-based cohorts analyzing the GWAS imputed data with 11,221 subjects and 12,617,569 variants, and replicated the findings with the 148,829 hospital-based Japanese subjects...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29778449/mechanisms-underlying-the-relaxation-by-a484954-a-eukaryotic-elongation-factor-2-kinase-inhibitor-in-rat-isolated-mesenteric-artery
#9
Tomoko Kodama, Muneyoshi Okada, Hideyuki Yamawaki
Eukaryotic elongation factor 2 kinase (eEF2K) is a calmodulin-related protein kinase which regulates protein translation. A484954 is an inhibitor of eEF2K. In the present study, we investigated the acute effects of A484954 on contractility of isolated blood vessels. Isometric contraction of rat isolated aorta and main branch of superior mesenteric artery (MA) was measured. Expression of an inward rectifier K+ (Kir ) channel subtype mRNA and protein was examined. A484954 caused relaxation in endothelium-intact [E (+)] and -denuded [E (-)] aorta or MA precontracted with noradrenaline (NA)...
May 2, 2018: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/29775147/intraoperative-cochlear-nerve-mapping-with-the-mobile-cochlear-nerve-compound-action-potential-tracer-in-vestibular-schwannoma-surgery
#10
Nobuyuki Watanabe, Takuya Ishii, Kazuhiko Fujitsu, Shogo Kaku, Teruo Ichikawa, Kosuke Miyahara, Tomu Okada, Shin Tanino, Yasuhiro Uriu, Yuichi Murayama
OBJECTIVE The authors describe the usefulness and limitations of the cochlear nerve compound action potential (CNAP) mobile tracer (MCT) that they developed to aid in cochlear nerve mapping during vestibular schwannoma surgery (VSS) for hearing preservation. METHODS This MCT device requires no more than 2 seconds for stable placement on the nerve to obtain the CNAP and thus is able to trace the cochlear nerve instantaneously. Simultaneous bipolar and monopolar recording is possible. The authors present the outcomes of 18 consecutive patients who underwent preoperative useful hearing (defined as class I or II of the Gardner-Robertson classification system) and underwent hearing-preservation VSS with the use of the MCT...
May 18, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29775068/embedding-a-metal-binding-motif-for-copper-transporter-into-a-lipid-bilayer-by-cu-i-binding
#11
Mariko Okada, Shinji Kajimoto, Takakazu Nakabayashi
Peptide-lipid interactions are widely involved with biologically significant phenomena, including the pathogenic mechanisms of protein misfolding diseases, and transmembrane protein folding. In this paper, the interaction of the cysteine/tryptophan (Cys/Trp) motif, which is a metal binding motif of copper transporter (Ctr) proteins, with a lipid bilayer was studied using fluorescence and circular dichroism (CD) spectroscopy. The binding of Cu(I) to the Cys/Trp motif induced a large red-edge excitation shift (REES) in the Trp fluorescence, indicating that the Trp residue is located inside the lipid bilayer following complexation of Cu(I) with the Cys/Trp motif...
May 18, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29773296/nontuberculous-mycobacterial-and-aspergillus-infections-among-cadaveric-lung-transplant-recipients-in-japan
#12
Kazunobu Tachibana, Yoshinori Okada, Yasushi Matsuda, Kentaroh Miyoshi, Takahiro Oto, Toyofumi F Chen-Yoshikawa, Hiroshi Date, Masato Minami, Meinoshin Okumura, Akinori Iwasaki, Takeshi Shiraishi, Sumiko Maeda, Yuji Matsumura, Takahiro Nakajima, Ichiro Yoshino, Seiji Hayashi
BACKGROUND: Lung transplantation is an effective treatment modality for respiratory failure. Chronic lung infections, including infections caused by nontuberculous mycobacteria (NTM) and Aspergillus, are difficult to control, and uncontrolled infections are relative contraindications for lung transplantation. However, few reports have documented the incidence and outcome of these infections in lung transplant recipients. METHODS: To quantify the incidence and outcomes of colonization and disease caused by NTM and aspergillosis in recipients before and after lung transplantation, we reviewed the medical records and microbiology data from 240 consecutive cadaveric lung transplant recipients between 2000 and 2014...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29770989/vitrification-for-bovine-embryos-with-low-quality-grade
#13
Hiroshi Tajimi, Tsugumi Yamazaki, Syoko Oike, Tatsuyuki Yoshida, Konosuke Okada, Masashige Kuwayama, Hitoshi Ushijima
This study was conducted to examine the utility of vitrification for bovine embryos with low-quality grade, and simple cryoprotectants dilution method for practitioners. In Experiment 1, survival of frozen embryos was compared with that of vitrified embryos using minimum volume cooling (MVC). Then, vitrified embryos were used to confirm the optimum sucrose concentration in Experiment 2. The survival rates of embryos that had been vitrified following diluted cryoprotectants with the one-step in-straw method were compared with those of fresh control embryos in Experiment 3...
May 17, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29770766/histogram-pattern-analysis-of-the-lung-perfused-blood-volume-for-assessment-of-pulmonary-thromboembolism
#14
Munemasa Okada, Takafumi Nomura, Yoshiteru Nakashima, Yoshie Kunihiro, Shoji Kido
PURPOSE: We aimed to evaluate the usefulness of histograms of lung perfused blood volume (HLPBV) based on the presence of pulmonary thromboembolism (PTE) and the pulmonary embolic burden. METHODS: A total of 168 patients (55 males; mean age, 62.9 years) underwent contrast-enhanced dual-energy computed tomography (DECT) between January 1 2012 and October 31 2014. Initial DECT images were three-dimensionally reconstructed, and the HLPBV patterns were divided into three types, including the symmetric type (131 patients, 78...
May 2018: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/29765605/pressure-induced-coherent-sliding-layer-transition-in-the-excitonic-insulator-ta-2-nise-5
#15
Akitoshi Nakano, Kento Sugawara, Shinya Tamura, Naoyuki Katayama, Kazuyuki Matsubayashi, Taku Okada, Yoshiya Uwatoko, Kouji Munakata, Akiko Nakao, Hajime Sagayama, Reiji Kumai, Kunihisa Sugimoto, Naoyuki Maejima, Akihiko Machida, Tetsu Watanuki, Hiroshi Sawa
The crystal structure of the excitonic insulator Ta2 NiSe5 has been investigated under a range of pressures, as determined by the complementary analysis of both single-crystal and powder synchrotron X-ray diffraction measurements. The monoclinic ambient-pressure excitonic insulator phase II transforms upon warming or under a modest pressure to give the semiconducting C -centred orthorhombic phase I. At higher pressures ( i.e. >3 GPa), transformation to the primitive orthorhombic semimetal phase III occurs...
March 1, 2018: IUCrJ
https://www.readbyqxmd.com/read/29765514/wnt5a-induced-cell-migration-is-associated-with-the-aggressiveness-of-estrogen-receptor-positive-breast-cancer
#16
Yoshie Kobayashi, Takayuki Kadoya, Ai Amioka, Hideaki Hanaki, Shinsuke Sasada, Norio Masumoto, Hideki Yamamoto, Koji Arihiro, Akira Kikuchi, Morihito Okada
Elevated expression of Wnt5a is associated with malignancy, cell invasion, and metastasis. The role of Wnt5a expression in breast cancer remains elusive. We investigated the significance of Wnt5a expression in breast cancer. The relationship between Wnt5a expression and clinicopathologic factors was assessed in invasive breast cancer ( n = 178) resected at Hiroshima University Hospital between January 2011 and February 2014. Wnt5a was expressed in 69 of 178 cases (39%) of invasive breast cancer and correlated strongly with estrogen receptor (ER) expression ( P < 0...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29764373/a-subclinical-high-tricuspid-regurgitation-pressure-gradient-independent-of-the-mean-pulmonary-artery-pressure-is-a-risk-factor-for-the-survival-after-living-donor-liver-transplantation
#17
Yosuke Saragai, Akinobu Takaki, Yuzo Umeda, Takashi Matsusaki, Tetsuya Yasunaka, Atsushi Oyama, Ryuji Kaku, Kazufumi Nakamura, Ryuichi Yoshida, Daisuke Nobuoka, Takashi Kuise, Kosei Takagi, Takuya Adachi, Nozomu Wada, Yasuto Takeuchi, Kazuko Koike, Fusao Ikeda, Hideki Onishi, Hidenori Shiraha, Shinichiro Nakamura, Hiroshi Morimatsu, Hiroshi Ito, Toshiyoshi Fujiwara, Takahito Yagi, Hiroyuki Okada
BACKGROUND: Portopulmonary hypertension (POPH) is characterized by pulmonary vasoconstriction, while hepatopulmonary syndrome (HPS) is characterized by vasodilation. Definite POPH is a risk factor for the survival after orthotopic liver transplantation (OLT), as the congestive pressure affects the grafted liver, while subclinical pulmonary hypertension (PH) has been acknowledged as a non-risk factor for deceased donor OLT. Given that PH measurement requires cardiac catheterization, the tricuspid regurgitation pressure gradient (TRPG) measured by echocardiography is used to screen for PH and congestive pressure to the liver...
May 15, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29762865/population-pharmacokinetics-of-vancomycin-in-patients-undergoing-allogeneic-hematopoietic-stem-cell-transplantation
#18
Akira Okada, Misato Kariya, Kei Irie, Yutaka Okada, Nobuhiro Hiramoto, Hisako Hashimoto, Ryosuke Kajioka, Chika Maruyama, Hidefumi Kasai, Mami Hamori, Asako Nishimura, Nobuhito Shibata, Keizo Fukushima, Nobuyuki Sugioka
Vancomycin is a commonly used antimicrobial agent for patients undergoing allogeneic hematopoietic stem-cell transplantation (allo-HSCT). Vancomycin has large inter- and intraindividual pharmacokinetic variability, which is mainly described by renal function; various studies have indicated that vancomycin pharmacokinetics are altered in special populations. However, little is known regarding vancomycin pharmacokinetics in patients undergoing allo-HSCT. Therefore, we aimed to develop a population pharmacokinetic (PopPK) model of vancomycin in patients undergoing allo-HSCT for effective and safe antimicrobial therapy and to develop a vancomycin dosing nomogram for a vancomycin optimal-dosing strategy...
May 15, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29762780/an-intersection-network-based-on-combining-snp-co-association-and-rna-co-expression-networks-for-feed-utilization-traits-in-japanese-black-cattle
#19
D Okada, S Endo, H Matsuda, S Ogawa, Y Taniguchi, T Katsuta, T Watanabe, H Iwaisaki
Genome-wide association studies (GWAS) of quantitative traits have detected numerous genetic associations, but they encounter difficulties in pinpointing prominent candidate genes and inferring gene networks. The present study used a systems genetics approach integrating GWAS results with external RNA-expression data to detect candidate gene networks in feed utilization and growth traits of Japanese Black cattle, which are matters of concern. A SNP co-association network was derived from significant correlations between SNPs with effects estimated by GWAS across seven phenotypic traits...
May 12, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29762570/photonic-analog-to-digital-conversion-using-a-red-frequency-chirp-in-a-semiconductor-optical-amplifier
#20
Hiroki Hoshino, Takuya Okada, Motoharu Matsuura
A photonic analog-to-digital conversion (PADC) based on intensity-to-frequency conversion using a frequency chirp in a semiconductor optical amplifier (SOA) is proposed. The presented PADC has a simple scheme whereby optical quantization is achieved using a single SOA with multiple rectangular bandpass filters placed in parallel. In this Letter, we successfully achieve 10  GSamples/s, eight-level optical quantization using a quantum-dot SOA. The PADC also has much lower input signal pulse power requirements for optical quantization, compared with conventional PADCs...
May 15, 2018: Optics Letters
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