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https://www.readbyqxmd.com/read/28324882/liquid-based-endometrial-cytology-using-surepath%C3%A2-is-not-inferior-to-suction-endometrial-tissue-biopsy-in-clinical-performance-for-detecting-endometrial-cancer-including-atypical-endometrial-hyperplasia
#1
Fumiko Yanaki, Yasuo Hirai, Azusa Hanada, Ken Ishitani, Hideo Matsui
OBJECTIVE: We evaluated the clinical performance of liquid-based endometrial cytology (SurePath™) for detecting endometrial malignancies by comparison with the performance of suction endometrial tissue biopsy. STUDY DESIGN: From November 2011 to May 2013, we consecutively collected 1,118 liquid-based endometrial cytology specimens and 674 suction endometrial tissue biopsy specimens. RESULTS: The rate of nonpositive final histology in nonpositive liquid-based endometrial cytology (98...
March 22, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28318883/predicting-future-risk-of-exacerbations-in-japanese-patients-with-adult-asthma-a-prospective-1-year-follow-up-study
#2
Akihiko Tanaka, Tomoki Uno, Haruna Sato, Megumi Jinno, Kuniaki Hirai, Yoshito Miyata, Munehiro Yamaguchi, Shin Ohta, Tetsuya Homma, Mayumi Yamamoto, Shintaro Suzuki, Takuya Yokoe, Hironori Sagara
BACKGROUND: To avoid future risk is a definitive goal of long-term asthma management. Exacerbations are considered to be the most relevant future risk in real life asthma management. Few comparative studies have evaluated the risk factors associated with exacerbations in Japanese patients with asthma. METHODS: We performed the prospective 1-year follow up study in Japanese patients with adult asthma. A total of 189 patients with asthma were enrolled and followed up for 1 year...
March 16, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28300069/extracellular-%C3%AE-synuclein-induces-sphingosine-1-phosphate-receptor-subtype-1-uncoupled-from-inhibitory-g-protein-leaving-%C3%AE-arrestin-signal-intact
#3
Lifang Zhang, Taro Okada, Shaymaa Mohamed Mohamed Badawy, Chihoko Hirai, Taketoshi Kajimoto, Shun-Ichi Nakamura
Parkinson's disease (PD) is the second most common neurodegenerative disorder. The presence of α-synuclein (α-Syn)-positive intracytoplasmic inclusions, known as Lewy bodies, is the cytopathological hallmark of PD. Increasing bodies of evidence suggest that cell-to-cell transmission of α-Syn plays a role in the progression of PD. Although extracellular α-Syn is known to cause abnormal cell motility, the precise mechanism remains elusive. Here we show that impairment of platelet-derived growth factor-induced cell motility caused by extracellular α-Syn is mainly attributed to selective inhibition of sphingosine 1-phosphate (S1P) signalling...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28299263/clinical-evaluation-of-coverage-of-open-wounds-polyglycolic-acid-sheet-with-fibrin-glue-spray-vs-split-thickness-skin
#4
Yumi Mochizuki, Hirofumi Tomioka, Fumihiko Tushima, Hiroaki Shimamoto, Hideaki Hirai, Yuu Oikawa, Hiroyuki Harada
PURPOSE: This study aimed to evaluate the coverage of oral wounds using either a polyglycolic acid (PGA) sheet or split-thickness skin grafting (STSG). MATERIALS AND METHODS: A total of 119 cases of wound coverage using a PGA sheet and fibrin glue spray as well as 132 cases of wound coverage cases using STSG were reviewed retrospectively. The site of the excision area, perioperative conditions, and postoperative functional problems were evaluated. RESULTS: The PGA group had significantly shorter operation time, earlier start of oral intake, and shorter hospitalization than the STSG group...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28296027/transitional-b-cells-predominantly-reconstituted-after-a-desensitization-therapy-using-rituximab-before-kidney-transplantation
#5
Masako Ikemiyagi, Toshihito Hirai, Rumi Ishii, Satoshi Miyairi, Masayoshi Okumi, Kazunari Tanabe
The role of B cells in graft rejection and tolerance has aroused great interest. We previously reported that rituximab (RIT) induction prior to kidney transplantation (KTx) reduced the incidence rate of chronic rejection. Here, we performed a cross sectional investigation to determine the characteristics of B cells after RIT induction for KTx. We sampled blood from 29 patients with (N = 16) and without (N = 13) RIT induction 3 to 18 months after KTx. In the RIT group, the majority of repopulating B cells was the transitional type, while memory B cells were scarce...
March 13, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28295954/clinical-quantitative-susceptibility-mapping-qsm-biometal-imaging-and-its-emerging-roles-in-patient-care
#6
REVIEW
Yi Wang, Pascal Spincemaille, Zhe Liu, Alexey Dimov, Kofi Deh, Jianqi Li, Yan Zhang, Yihao Yao, Kelly M Gillen, Alan H Wilman, Ajay Gupta, Apostolos John Tsiouris, Ilhami Kovanlikaya, Gloria Chia-Yi Chiang, Jonathan W Weinsaft, Lawrence Tanenbaum, Weiwei Chen, Wenzhen Zhu, Shixin Chang, Min Lou, Brian H Kopell, Michael G Kaplitt, David Devos, Toshinori Hirai, Xuemei Huang, Yukunori Korogi, Alexander Shtilbans, Geon-Ho Jahng, Daniel Pelletier, Susan A Gauthier, David Pitt, Ashley I Bush, Gary M Brittenham, Martin R Prince
Quantitative susceptibility mapping (QSM) has enabled magnetic resonance imaging (MRI) of tissue magnetic susceptibility to advance from simple qualitative detection of hypointense blooming artifacts to precise quantitative measurement of spatial biodistributions. QSM technology may be regarded to be sufficiently developed and validated to warrant wide dissemination for clinical applications of imaging isotropic susceptibility, which is dominated by metals in tissue, including iron and calcium. These biometals are highly regulated as vital participants in normal cellular biochemistry, and their dysregulations are manifested in a variety of pathologic processes...
March 10, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28295574/cd38-positively-regulates-postnatal-development-of-astrocytes-cell-autonomously-and-oligodendrocytes-non-cell-autonomously
#7
Tsuyoshi Hattori, Minoru Kaji, Hiroshi Ishii, Roboon Jureepon, Mika Takarada-Iemata, Hieu Minh Ta, Thuong Manh Le, Ayumu Konno, Hirokazu Hirai, Yoshitake Shiraishi, Noriyuki Ozaki, Yasuhiko Yamamoto, Hiroshi Okamoto, Shigeru Yokoyama, Haruhiro Higashida, Yasuko Kitao, Osamu Hori
Glial development is critical for the function of the central nervous system. CD38 is a multifunctional molecule with ADP-ribosyl cyclase activity. While critical roles of CD38 in the adult brain such as oxytocin release and social behavior have been reported, those in the developing brain remain largely unknown. Here we demonstrate that deletion of Cd38 leads to impaired development of astrocytes and oligodendrocytes in mice. CD38 is highly expressed in the developing brains between postnatal day 14 (P14) and day 28 (P28)...
March 13, 2017: Glia
https://www.readbyqxmd.com/read/28294553/nitric-oxide-enhanced-shiga-toxin-production-was-regulated-by-fur-and-reca-in-enterohemorrhagic-escherichia-coli-o157
#8
Kimitoshi Ichimura, Takeshi Shimizu, Akio Matsumoto, Shinichiro Hirai, Eiji Yokoyama, Hiroki Takeuchi, Kinnosuke Yahiro, Masatoshi Noda
Enterohemorrhagic Escherichia coli (EHEC) produces Shiga toxin 1 (Stx1) and Shiga toxin 2 (Stx2). Nitric oxide (NO), which acts as an antimicrobial defense molecule, was found to enhance the production of Stx1 and Stx2 in EHEC under anaerobic conditions. Although EHEC O157 has two types of anaerobic NO reductase genes, an intact norV and a deleted norV, in the deleted norV-type EHEC, a high concentration of NO (12-29 μmol/L, maximum steady-state concentration) is required for enhanced Stx1 production and a low concentration of NO (~12 μmol/L, maximum steady-state concentration) is sufficient for enhanced Stx2 production under anaerobic conditions...
March 15, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28293771/usefulness-of-2d-fusion-of-postmortem-ct-and-antemortem-chest-radiography-studies-for-human-identification
#9
Norihiro Shinkawa, Toshinori Hirai, Ryuichi Nishii, Nobuhiro Yukawa
PURPOSE: To determine the feasibility of human identification through the two-dimensional (2D) fusion of postmortem computed tomography (PMCT) and antemortem chest radiography. MATERIALS AND METHODS: The study population consisted of 15 subjects who had undergone chest radiography studies more than 12 months before death. Fused images in which a chest radiograph was fused with a PMCT image were obtained for those subjects using a workstation, and the minimum distance gaps between corresponding anatomical landmarks (located at soft tissue and bone sites) in the images obtained with the two modalities were calculated...
March 14, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28284210/prognostic-factors-for-gastrectomy-in-elderly-patients-with-gastric-cancer
#10
Daisuke Ueno, Hideo Matsumoto, Hisako Kubota, Masaharu Higashida, Takashi Akiyama, Akiko Shiotani, Toshihiro Hirai
BACKGROUND: The aim of the present study was to investigate the age-specific prognostic factors in patients who underwent gastrectomy for gastric cancer. METHODS: The medical records of 366 patients with gastric cancer who underwent surgical resection at our hospital between January 2007 and December 2014 were retrospectively reviewed. Of the 366 patients, 117 were aged 75 years or older and 249 were aged 74 years or younger. All factors that were identified as significant using univariate analysis were included in the multivariate analysis...
March 11, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28283734/intestinal-perforation-due-to-hemorrhagic-cytomegalovirus-enteritis-in-a-patient-with-severe-uncontrolled-lupus-nephritis-a-case-and-review-of-the-literature
#11
REVIEW
Keigo Ikeda, Shihoko Nakajima, Kana Tanji, Takuya Hirai, Kaori Uomori, Shinji Morimoto, Shigeki Tomita, Masaki Fukunaga, Naoto Tamura, Iwao Sekigawa
A 31-year-old woman with systemic lupus erythematosus and lupus nephritis was treated with prednisone and immunosuppressants. After her lupus nephritis symptoms worsened, both high-dose steroid and cyclophosphamide pulse therapy were administered. The patient developed an intestinal perforation, and laparoscopic Hartmann's surgery was performed on the sigmoid colon. Serum Cytomegalovirus (CMV) antigen C7HRP was detected, and the patient was diagnosed with CMV colitis and underwent a colon resection. Severe hematochezia continued despite ganciclovir administration, and the patient underwent laparoscopic total colectomy and partial ileostomy...
March 11, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28276842/different-views-on-treatment-decisions-by-first-year-interprofessional-healthcare-students
#12
N Nagao, Y Tamura, P Bontje, Y Takimoto, M Hirai, Y Ishikawa
This study explored ethical treatment decisions of healthcare professional students beginning their education. As part of a first-semester modern medicine and bioethics course, 311 students watched and discussed, in interprofessional groups, a video titled Dax's Case: Who Should Decide? regarding the treatment of a life-threatening infectious disease against Dax's wish. The students then discussed and made their decision regarding treating or not. Their decisions, recorded on a worksheet, were classified as "will treat" or "won't treat...
February 28, 2017: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/28274690/the-controlling-nutritional-status-score-is-a-significant-independent-predictor-of-poor-prognosis-in-patients-with-malignant-pleural-mesothelioma
#13
Shinkichi Takamori, Gouji Toyokawa, Kenichi Taguchi, Makoto Edagawa, Shinichiro Shimamatsu, Ryo Toyozawa, Kaname Nosaki, Takashi Seto, Fumihiko Hirai, Masafumi Yamaguchi, Fumihiro Shoji, Tatsuro Okamoto, Mitsuhiro Takenoyama, Yukito Ichinose
INTRODUCTION: Malignant pleural mesothelioma (MPM) is a devastating neoplasm; however, some patients exhibit a good response to chemotherapy or multidisciplinary therapy, including surgery and chemotherapy. It is therefore important to discover the factors that can be used to select patients who will benefit from such treatment. Although the Controlling Nutritional Status (CONUT) score has been used to predict the prognosis in other types of malignancy, its utility in patients with MPM is unknown...
February 2, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28270868/preserved-search-asymmetry-in-the-detection-of-fearful-faces-among-neutral-faces-in-individuals-with-williams-syndrome-revealed-by-measurement-of-both-manual-responses-and-eye-tracking
#14
Masahiro Hirai, Yukako Muramatsu, Seiji Mizuno, Naoko Kurahashi, Hirokazu Kurahashi, Miho Nakamura
BACKGROUND: Individuals with Williams syndrome (WS) exhibit an atypical social phenotype termed hypersociability. One theory accounting for hypersociability presumes an atypical function of the amygdala, which processes fear-related information. However, evidence is lacking regarding the detection mechanisms of fearful faces for individuals with WS. Here, we introduce a visual search paradigm to elucidate the mechanisms for detecting fearful faces by evaluating the search asymmetry; the reaction time when both the target and distractors were swapped was asymmetrical...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28261221/allergic-responses-induced-by-the-immunomodulatory-effects-of-nanomaterials-upon-skin-exposure
#15
REVIEW
Yasuo Yoshioka, Etsushi Kuroda, Toshiro Hirai, Yasuo Tsutsumi, Ken J Ishii
Over the past decade, a vast array of nanomaterials has been created through the development of nanotechnology. With the increasing application of these nanomaterials in various fields, such as foods, cosmetics, and medicines, there has been concern about their safety, that is, nanotoxicity. Therefore, there is an urgent need to collect information about the biological effects of nanomaterials so that we can exploit their potential benefits and design safer nanomaterials, while avoiding nanotoxicity as a result of inhalation or skin exposure...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28255088/oral-n-acetylcysteine-and-exercise-tolerance-in-mild-chronic-obstructive-pulmonary-disease
#16
Daniel M Hirai, Joshua H Jones, Joel T Zelt, Marianne L da Silva, Robert F Bentley, Brittany Ann Edgett, Brendon James Gurd, Michael E Tschakovsky, Denis E O'Donnell, J Alberto Neder
Heightened oxidative stress is implicated in the progressive impairment of skeletal muscle vascular and mitochondrial function in chronic obstructive pulmonary disease (COPD). Whether accumulation of reactive oxygen species contribute to exercise intolerance in the early stages of COPD is unknown. We examined the effects of oral antioxidant treatment with N-acetylcysteine (NAC) on respiratory, cardiovascular and locomotor muscle function and exercise tolerance in patients with mild COPD. Thirteen patients with forced expiratory volume in one second and forced vital capacity ratio (FEV1/FVC) < lower limit of normal (LLN) and FEV1 ≥ LLN were enrolled in a double-blind, randomized crossover study to receive NAC (1800 mg/day) or placebo for 4 days...
March 2, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28251374/perioperative-management-of-hepatectomy-in-patients-with-interstitial-pneumonia-a-report-of-three-cases-and-a-literature-review
#17
REVIEW
Norio Kubo, Kenichiro Araki, Takahiro Yamanaka, Kouki Hoshino, Norihiro Ishii, Mariko Tsukagoshi, Takamichi Igarashi, Akira Watanabe, Keitaro Hirai, Fumiyoshi Saitoh, Hiroyuki Kuwano, Ken Shirabe
PURPOSE: Interstitial pneumonia (IP) is a progressive and irreversible fibrosis and can be fatal if acute exacerbation (AE) occurs. While a useful risk-scoring system has been established for lung surgery, no risk evaluation exists for AE of IP related to non-pulmonary surgery. The objective of this review is to describe the management for patients with IP. METHODS: We experienced three hepatectomy cases with IP. The first was a 72-year-old male patient diagnosed with hepatocellular carcinoma...
March 1, 2017: Surgery Today
https://www.readbyqxmd.com/read/28240988/identifying-a-size-specific-hazard-of-silica-nanoparticles-after-intravenous-administration-and-its-relationship-to-the-other-hazards-that-have-negative-correlations-with-the-particle-size-in-mice
#18
Takayuki Handa, Toshiro Hirai, Natsumi Izumi, Shun-Ichi Eto, Shin-Ichi Tsunoda, Kazuya Nagano, Kazuma Higashisaka, Yasuo Yoshioka, Yasuo Tsutsumi
Many of the beneficial and toxic biological effects of nanoparticles have been shown to have a negative correlation with particle size. However, few studies have demonstrated biological effects that only occur at specific nanoparticle sizes. Further elucidation of the size-specific biological effects of nanoparticles may reveal not only unknown toxicities, but also novel benefits of nanoparticles. We used surface-unmodified silica particles with a wide range of diameters and narrow size intervals between the diameters (10, 30, 50, 70, 100, 300, and 1000 nm) to investigate the relationship between particle size and acute toxicity after intravenous administration in mice...
February 27, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28239073/effects-of-topical-application-of-betamethasone-on-imiquimod-induced-psoriasis-like-skin-inflammation-in-mice
#19
Hiroki Mori, Kojo Arita, Takayuki Yamaguchi, Midori Hirai, Yoichi Kurebayashi
Psoriasis is a chronic inflammatory skin disease mediated by dysregulated auto-reactive immune system. In this study, in order to confirm and further extend the pharmacological basis of topical steroids in psoriasis therapy, we investigated the effect of betamethasone ointment on imiquimod (IMQ)-induced skin inflammation in mice. In BALB/c mice, topical IMQ at the dose of 250 µg each on both sides of the ear induced marked psoriasis-like skin inflammation within 5 days. The same dose of IMQ produced only slight to moderate skin inflammation even on Day 7 in CB-17 scid mice...
September 9, 2016: Kobe Journal of Medical Sciences
https://www.readbyqxmd.com/read/28239052/an-atypical-case-of-recurrent-carotid-body-carcinoma-in-a-young-adult-dog-histopathological-immunohistochemical-and-electron-microscopic-study
#20
Angeline Ping Ping Teh, Watanyoo Pratakpiriya, Yuichi Hidaka, Hiroyuki Sato, Takuya Hirai, Ryoji Yamaguchi
A 3.5-year-old female Chihuahua was presented with complaint of neck pain, intermittent cough and dysphagia. Physical examination and diagnostic imaging of neck region revealed a solid and highly vascularized mass involving the retropharyngeal region. Histologically, the mass showed an atypical zellballen pattern which comprised of high density of type I chief cells with high nuclear cytoplasmic ratio and separated by delicate fibrovascular stroma. Immunoreactivity for neuroendocrine markers was diffusely positive in cytoplasm of tumor cells...
February 27, 2017: Journal of Veterinary Medical Science
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