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https://www.readbyqxmd.com/read/28337559/dietary-fiber-intake-and-risk-of-breast-cancer-defined-by-estrogen-and-progesterone-receptor-status-the-japan-public-health-center-based-prospective-study
#1
Saki Narita, Manami Inoue, Eiko Saito, Sarah K Abe, Norie Sawada, Junko Ishihara, Motoki Iwasaki, Taiki Yamaji, Taichi Shimazu, Shizuka Sasazuki, Kenji Shibuya, Shoichiro Tsugane
PURPOSE: Epidemiological studies have suggested a protective effect of dietary fiber intake on breast cancer risk while the results have been inconsistent. Our study aimed to investigate the association between dietary fiber intake and breast cancer risk and to explore whether this association is modified by reproductive factors and hormone receptor status of the tumor. METHODS: A total of 44,444 women aged 45 to 74 years from the Japan Public Health Center-based Prospective Study were included in analyses...
March 23, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28322984/pain-related-evoked-potentials-after-intraepidermal-electrical-stimulation-to-a%C3%AE-and-c-fibers-in-patients-with-neuropathic-pain
#2
Shigeki Omori, Sagiri Isose, Sonoko Misawa, Keisuke Watanabe, Yukari Sekiguchi, Kazumoto Shibuya, Minako Beppu, Hiroshi Amino, Satoshi Kuwabara
Neuropathic pain can result from neuronal hyperexcitability and complex interactions of the nociceptive pathways. Intraepidermal electrical stimulation (IES) is a novel technique that can selectively activate Aδ and C fibers. To investigate patterns of changes in Aδ- and C-mediated brain responses in patients with neuropathic pain using IES, we recorded pain-related evoked potential (PREP) after IES of Aδ and C fibers in 20 patients with neuropathic pain and 15 age-matched healthy volunteers. We evaluated PREP latencies, amplitudes, and amplitude ratios of PREPs after C/Aδ-fiber stimulation...
March 18, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28317789/intravascular-ultrasound-and-optical-coherence-tomography-images-for-direct-right-coronary-artery-injury-after-tricuspid-valve-annuloplasty
#3
Junsuke Shibuya, Nobuaki Kobayashi, Noritake Hata, Shunsuke Uetake, Masahiro Fujii, Ryuzo Bessho, Wataru Shimizu
No abstract text is available yet for this article.
March 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28317220/rare-fbxo18-variations-and-risk-of-schizophrenia-whole-exome-sequencing-in-two-parent-affected-offspring-trios-followed-by-resequencing-and-case-control-studies
#4
Satoshi Hoya, Yuichiro Watanabe, Akitoyo Hishimoto, Ayako Nunokawa, Emiko Inoue, Hirofumi Igeta, Ikuo Otsuka, Masako Shibuya, Jun Egawa, Ichiro Sora, Toshiyuki Someya
AIM: Rare variations are suggested to play a role in the genetic etiology of schizophrenia, and to further investigate their role, we performed a three-stage study in a Japanese population. METHODS: In the first stage, we performed whole-exome sequencing (WES) of two parent-affected offspring trios. In the second stage, we resequenced the FBXO18 coding region in 96 patients. In the third stage, we tested rare non-synonymous FBXO18 variations for association with schizophrenia in two independent populations comprising a total of 1,376 patients and 1,496 controls...
March 20, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28296302/evaluation-of-a-combined-respiratory-gating-system-comprising-the-truebeam-linear-accelerator-and-a-new-real-time-tumor-tracking-radiotherapy-system-a-preliminary-study
#5
Takehiro Shiinoki, Shinji Kawamura, Takuya Uehara, Yuki Yuasa, Koya Fujimoto, Masahiro Koike, Tatsuhiro Sera, Yuki Emoto, Hideki Hanazawa, Keiko Shibuya
A combined system comprising the TrueBeam linear accelerator and a new real-time, tumor-tracking radiotherapy system, SyncTraX, was installed in our institution. The goals of this study were to assess the capability of SyncTraX in measuring the position of a fiducial marker using color fluoroscopic images, and to evaluate the dosimetric and geometric accuracy of respiratory-gated radiotherapy using this combined system for the simple geometry. For the fundamental evaluation of respiratory-gated radiotherapy using SyncTraX, the following were performed: 1) determination of dosimetric and positional characteristics of sinusoidal patterns using a motor-driven base for several gating windows; 2) measurement of time delay using an oscilloscope; 3) positional verification of sinusoidal patterns and the pattern in the case of a lung cancer patient; 4) measurement of the half-value layer (HVL in mm AL), effective kVp, and air kerma, using a solid-state detector for each fluoroscopic condition, to determine the patient dose...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295553/serum-carcinoembryonic-antigen-specifically-increases-among-various-serum-markers-of-adenocarcinoma-in-hypohidrosis-or-conditions-related-to-hypohidrosis
#6
Masaru Honma, Hiroyoshi Nozaki, Hiroko Nagahata, Mizue Fujii, Takashi Shibuya, Kyoko Kanno, Masako Minami-Hori, Akemi Ishida-Yamamoto
Anhidrosis/hypohidrosis are conditions presenting various level of sweating dysfunction. Among them, acquired idiopathic generalized anhidrosis (AIGA) presents inadequate decrease or loss of sweating without apparent neurological and dermatological symptoms except cholinergic urticaria. Recently, serum level of carcinoembryonic antigen (CEA), one of the most well-known tumor markers, has been proposed as a clinical marker reflecting activity of AIGA. This study was performed to verify the specificity and independence of serum CEA level from the other serum tumor markers especially related to adenocarcinoma...
March 11, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28288669/implication-of-overexpression-of-dishevelled-associated-activator-of-morphogenesis-1-daam-1-for-the-pathogenesis-of-human-idiopathic-pulmonary-arterial-hypertension-ipah
#7
Shun Yanai, Megumi Wakayama, Haruo Nakayama, Minoru Shinozaki, Hisayuki Tsukuma, Naobumi Tochigi, Tetsuo Nemoto, Tsutomu Saji, Kazutoshi Shibuya
BACKGROUND: Idiopathic pulmonary arterial hypertension (IPAH) is a rare, fatal disease of unknown pathogenesis. Evidence from our recent study suggests that IPAH pathogenesis is related to upregulation of the Wnt/planar cell polarity (Wnt/PCP) pathway. We used microscopic observation and immunohistochemical techniques to identify expression patterns of cascading proteins-namely Wnt-11, dishevelled-2 (Dvl-2), and dishevelled-associated activator of morphogenesis 1 (Daam-1)-in pulmonary arteries...
March 14, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28285839/clinical-assessment-of-coiled-fiducial-markers-as-internal-surrogates-for-hepatocellular-carcinomas-during-gated-stereotactic-body-radiotherapy-with-a-real-time-tumor-tracking-system
#8
Hideki Hanazawa, Shotaro Takahashi, Takehiro Shiinoki, Sung Chul Park, Yuki Yuasa, Masahiro Koike, Shinji Kawamura, Keiko Shibuya
BACKGROUND AND PURPOSE: To report the clinical usefulness of coiled fiducial markers as an internal surrogate in gated stereotactic body radiotherapy (SBRT) for hepatocellular carcinoma (HCC) using a real-time tumor-tracking radiotherapy (RTRT) system. MATERIALS AND METHODS: Seventeen HCC patients with Child-Pugh (CP) scores of A or B received gated SBRT (45-50Gy in 5-10 fractions) using an RTRT system and Visicoil markers. Local control (LC), progression-free (PFS), and overall survival (OS) rates were assessed using the Kaplan-Meier method...
March 9, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28273455/a-bach2-cebp-gene-regulatory-network-for-the-commitment-of-multipotent-hematopoietic-progenitors
#9
Ari Itoh-Nakadai, Mitsuyo Matsumoto, Hiroki Kato, Junichi Sasaki, Yukihiro Uehara, Yuki Sato, Risa Ebina-Shibuya, Mizuho Morooka, Ryo Funayama, Keiko Nakayama, Kyoko Ochiai, Akihiko Muto, Kazuhiko Igarashi
Hematopoietic stem cell and multipotent progenitor (MPP) commitment can be tuned in response to an infection so that their differentiation is biased toward myeloid cells. Here, we find that Bach2, which inhibits myeloid differentiation in common lymphoid progenitors, represses a cohort of myeloid genes and activates those linked to lymphoid function. Bach2 repressed both Cebpb and its target Csf1r, encoding C/EBPβ and macrophage colony-stimulating factor receptor (M-CSFr), respectively, whereas C/EBPβ repressed Bach2 and activated Csf1r...
March 7, 2017: Cell Reports
https://www.readbyqxmd.com/read/28262622/in-vivo-long-term-evaluation-of-the-novel-mitra-spacertm-technology-experimental-validation-in-the-ovine-model
#10
Athanasios Peppas, Ariel Furer, Jon Wilson, Geng-Hua Yi, Yanping Cheng, Karl Van Wygerden, Christopher Seguin, Masahiko Shibuya, Grzegorz L Kałuża, Juan F Granada
AIMS: The Mitra-SpacerTM (Cardiosolutions, Bridgewater, MA, USA) is designed to treat mitral regurgitation by introducing a dynamic spacer that constantly adapts to the changing hemodynamic conditions during the cardiac cycle. We aimed to evaluate the performance and safety of this device in the chronic ovine model. METHODS AND RESULTS: Eight (8) sheep were enrolled in this study. Through a left thoracotomy, the Mitra-SpacerTM was inserted via trans-apical approach and advanced in to the left atrium (LA) under imaging guidance...
March 7, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28254383/impact-of-stent-diameter-on-vascular-response-after-self-expanding-paclitaxel-eluting-stent-implantation-in-the-superficial-femoral-artery
#11
Kojiro Miki, Kenichi Fujii, Masahiko Shibuya, Masashi Fukunaga, Takahiro Imanaka, Kenji Kawai, Hiroto Tamaru, Akinori Sumiyoshi, Machiko Nishimura, Tetsuo Horimatsu, Ten Saita, Nagataka Yoshihara, Takumi Kimura, Yasuhiro Honda, Peter J Fitzgerald, Tohru Masuyama, Masaharu Ishihara
BACKGROUND: The optimal sizing of self-expanding paclitaxel-eluting stents (PES) in the treatment for superficial femoral artery (SFA) lesions is unclear. This study sought to investigate the influence of PES diameter on stent patency in SFA lesions using optical frequency domain imaging (OFDI). METHODS: A total of 20 de novo SFA lesions were randomized 1:1 to receive either self-expanding PES with a nominal diameter of 6mm or 8mm. Follow-up angiography and OFDI was scheduled six months after stent implantation, and volumetric OFDI analysis was performed to evaluate vascular response to the stents...
February 18, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28250362/technical-aspects-and-applications-for-developing-in-situ-hybridization-procedures-for-formalin-fixed-and-paraffin-embedded-ffpe-tissues-for-diagnosis-of-fungal-infections
#12
Minoru Shinozaki, Naobumi Tochigi, Sota Sadamoto, Somay Yamagata Murayama, Megumi Wakayama, Tetsuo Nemoto, Kazutoshi Shibuya
Although histopathology is required for definitive diagnosis of fungal infections, conclusive identification and discrimination of fungi in tissue sections and cytological preparations remain technically difficult. Therefore, new diagnostic tools are needed for the routine diagnosis of pathogenic fungi. In situ hybridization (ISH) is a non-culture based procedure that has many advantages over traditional diagnostics for identification of pathogenic fungi in histological specimens. This review highlights the basic ISH technique, with particular emphasis on using pretreatment of tissue sections prior to hybridization to solve problems associated with formalin fixation...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250305/splenic-marginal-zone-lymphoma-with-acquired-von-willebrand-syndrome-diagnosed-via-splenic-bleeding
#13
Yukiko Komeno, Naoki Shibuya, Hideki Uryu, Haruki Yamada, Takeo Toda, Masayuki Shibasaki, Shinji Kunishima, Kuniko Iihara, Tomiko Ryu
An 85-year-old woman underwent emergent splenectomy due to left abdominal pain and active bleeding in a massively enlarged spleen. The histological diagnosis was splenic marginal zone lymphoma (SMZL). A prolonged activated partial thromboplastin time (APTT) was noted, and additional tests led to the diagnosis of type 2A-like acquired von Willebrand syndrome (AVWS). An APTT cross mixing test ruled out the presence of inhibitors. She received eight courses of rituximab monotherapy. The coagulation data showed no improvement, possibly because the lymphoma showed a poor response to the treatment...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28241556/subpixel-shift-cyclic-hadamard-microscopic-imaging-using-a-pseudo-inverse-matrix-procedure
#14
Shota Tetsuno, Kyuki Shibuya, Tetsuo Iwata
We propose two subpixel-shift (SPS) imaging methods: a normal SPS (NSPS) and an interleaved SPS (ISPS) method. Both methods use a series of cyclic-Hadamard-mask illuminations and a single channel detector that enhances lateral spatial resolution in proportion to the number of shifts. A sample object (or the illumination mask) is moved in two dimensions in micro-step intervals within the range of an illumination mask unit pixel (or within a range that exceeds it). To reconstruct the original image, we use a pseudo-inverse-matrix procedure that ensures measurement precision in a least-squares sense...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28231585/is-imprint-cytology-useful-to-diagnose-malignancy-for-brenner-tumors-a-case-series-at-a-single-institute
#15
Junko Minato, Hideki Tokunaga, Satoshi Okamoto, Yusuke Shibuya, Hitoshi Niikura, Nobuo Yaegashi
BACKGROUND: The aim of this study was to investigate cytological features of Brenner tumors according to tumor grade using imprint cytology. CASE: Between 2004 and 2015, intraoperative imprint cytology was performed on 8 patients with Brenner tumors suspected to be malignant neoplasmas on gross examination because of their large size and solid part. These consisted of 1 benign, 3 borderline, and 4 malignant tumors. In patients with benign and borderline tumors, naked nucleus-like stromal cells and tumor cells in a sheet-like arrangement were observed against a clear background...
February 24, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28220662/jumping-crystals-of-pyrene-tweezers-crystal-to-crystal-transition-involving-%C3%AF-%C3%AF-to-ch-%C3%AF-assembly-mode-switching
#16
Yoshiki Shibuya, Yoshimitsu Itoh, Takuzo Aida
Crystals of pyrene tweezers 1 with interdigitating pyrenyl blades jump vigorously at around 160 °C. Single-crystal X-ray diffraction analysis before jumping revealed the presence of a "pyrene tetrad" in the crystal lattice, where four pyrenyl blades are π-stacked on top of each other. Upon heating the crystal to induce the jumping event, inner two pyrenyl blades in the "pyrene tetrad" probably rotate to switch off their π-stacking interaction with the neighboring outer pyrenyl blades and form new CH-π bonds...
February 21, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28219780/diversification-of-mitochondrial-genome-of-daphnia-galeata-cladocera-crustacea-comparison-with-phylogenetic-consideration-of-the-complete-sequences-of-clones-isolated-from-five-lakes-in-japan
#17
Shin-Ichi Tokishita, Hiroyuki Shibuya, Taku Kobayashi, Masaki Sakamoto, Jin-Yong Ha, Shin-Ichi Yokobori, Hideo Yamagata, Takayuki Hanazato
To characterize genetic diversity and gene flow among Daphnia galeata populations, the complete nucleotide (nt) sequences of the mitochondrial (mt) DNAs of D. galeata clones isolated from five lakes in Japan (Lakes Shirakaba, Suwa, Kizaki, Kasumigaura, and Biwa) were determined. Comparison of non-synonymous (amino acid altering) substitution rates with synonymous substitution rates of D. galeata mt protein-coding genes demonstrated that ATPase8 and COI genes were the most and least susceptible, respectively, to the evolutional forces selecting the aa substitutions...
February 17, 2017: Gene
https://www.readbyqxmd.com/read/28216546/bach2-controls-homeostasis-of-eosinophils-by-restricting-the-type-2-helper-function-of-t-cells
#18
Yuki Sato, Hiroki Kato, Risa Ebina-Shibuya, Ari Itoh-Nakadai, Ryuhei Okuyama, Kazuhiko Igarashi
Bach2 is a transcription factor which represses its target genes and plays important roles in the differentiation of B and T lymphoid cells. Bach2-deficient (KO) mice develop severe pulmonary alveolar proteinosis, which is associated with increased numbers of granulocytes and T cells. Bach2 is essential for the regulation of T cells, but its role in the regulation of granulocytes is not clear. Here, we observed increased numbers of eosinophils but not neutrophils in the bone marrow, spleen, peripheral blood, and bronchoalveolar lavage fluids of Bach2 KO mice compared with those of wild-type (WT) mice...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28211946/extra-ampullary-duodenal-adenoma-a-clinicopathological-study
#19
Kazunori Hijikata, Tetsuo Nemoto, Yoshinori Igarashi, Kazutoshi Shibuya
AIM: Extra-ampullary duodenal adenoma (EADA) is a rare condition with poorly described clinicopathological details. In this study, we aimed to clinicopathologically characterize EADA. METHODS AND RESULTS: We performed a retrospective review of 44 serial cases of EADA. Each EADA was categorized as either gastric-type (n=5) or intestinal-type (n=39). All gastric-type adenomas were located in the first portion of the duodenum and exhibited a pedunculated shape. Gastric-type adenomas were classified into two subtypes: a pyloric gland type and a foveolar type...
February 17, 2017: Histopathology
https://www.readbyqxmd.com/read/28194443/sustained-inflammation-after-pericyte-depletion-induces-irreversible-blood-retina-barrier-breakdown
#20
Shuntaro Ogura, Kaori Kurata, Yuki Hattori, Hiroshi Takase, Toshina Ishiguro-Oonuma, Yoonha Hwang, Soyeon Ahn, Inwon Park, Wataru Ikeda, Sentaro Kusuhara, Yoko Fukushima, Hiromi Nara, Hideto Sakai, Takashi Fujiwara, Jun Matsushita, Masatsugu Ema, Masanori Hirashima, Takashi Minami, Masabumi Shibuya, Nobuyuki Takakura, Pilhan Kim, Takaki Miyata, Yuichiro Ogura, Akiyoshi Uemura
In the central nervous system, endothelial cells (ECs) and pericytes (PCs) of blood vessel walls cooperatively form a physical and chemical barrier to maintain neural homeostasis. However, in diabetic retinopathy (DR), the loss of PCs from vessel walls is assumed to cause breakdown of the blood-retina barrier (BRB) and subsequent vision-threatening vascular dysfunctions. Nonetheless, the lack of adequate DR animal models has precluded disease understanding and drug discovery. Here, by using an anti-PDGFRβ antibody, we show that transient inhibition of the PC recruitment to developing retinal vessels sustained EC-PC dissociations and BRB breakdown in adult mouse retinas, reproducing characteristic features of DR such as hyperpermeability, hypoperfusion, and neoangiogenesis...
February 9, 2017: JCI Insight
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