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https://www.readbyqxmd.com/read/28440334/trends-in-perinatal-mortality-and-its-risk-factors-in-japan-analysis-of-vital-registration-data-1979-2010
#1
Maaya Kita Sugai, Stuart Gilmour, Erika Ota, Kenji Shibuya
As Japan has achieved one of the lowest perinatal mortality rates (PMR), our study aims to estimate trends in and risk factors for perinatal mortality among singleton births in Japan. We used Japanese vital registration data to assess trends in and risk factors for perinatal outcomes between 1979 and 2010. Birth and death registration data were merged. An autoregressive integrated moving average model was fitted separately by sex to the PMR and the proportion of stillbirths. A multilevel Poisson regression model was used to estimate risk factors for perinatal mortality...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28439081/long-lasting-neutralization-of-c5-by-sky59-a-novel-recycling-antibody-is-a-potential-therapy-for-complement-mediated-diseases
#2
Taku Fukuzawa, Zenjiro Sampei, Kenta Haraya, Yoshinao Ruike, Meiri Shida-Kawazoe, Yuichiro Shimizu, Siok Wan Gan, Machiko Irie, Yoshinori Tsuboi, Hitoshi Tai, Tetsushi Sakiyama, Akihisa Sakamoto, Shinya Ishii, Atsuhiko Maeda, Yuki Iwayanagi, Norihito Shibahara, Mitsuko Shibuya, Genki Nakamura, Takeru Nambu, Akira Hayasaka, Futa Mimoto, Yuu Okura, Yuji Hori, Kiyoshi Habu, Manabu Wada, Takaaki Miura, Tatsuhiko Tachibana, Kiyofumi Honda, Hiroyuki Tsunoda, Takehisa Kitazawa, Yoshiki Kawabe, Tomoyuki Igawa, Kunihiro Hattori, Junichi Nezu
Dysregulation of the complement system is linked to the pathogenesis of a variety of hematological disorders. Eculizumab, an anti-complement C5 monoclonal antibody, is the current standard of care for paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS). However, because of high levels of C5 in plasma, eculizumab has to be administered biweekly by intravenous infusion. By applying recycling technology through pH-dependent binding to C5, we generated a novel humanized antibody against C5, SKY59, which has long-lasting neutralization of C5...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431112/long-term-survival-of-the-mouse-es-cell-derived-mast-cell-medmc-brc6-in-mast-cell-deficient-kitw-sh-w-sh-mice
#3
Shohei Shibagaki, Satoko Tahara-Hanaoka, Takashi Hiroyama, Yukio Nakamura, Akira Shibuya
Mast cells (MCs) play pivotal roles in allergic reactions and the host defense against microbial infection through the immunoglobulin E (IgE)-dependent and IgE-independent signaling pathways. MC lines that can be analyzed both in vitro and in vivo would be useful for the study of MC-dependent immune responses. Here we investigated the functional characteristics of a mouse ES cell-derived mast cell-like cell line, MEDMC-BRC6. The cell line expressed FcεRI and c-Kit and showed degranulation and production of inflammatory cytokines and chemokine, including TNF-α, IL-6 and MCP-1, upon crosslinking FcεRI with IgE...
April 18, 2017: International Immunology
https://www.readbyqxmd.com/read/28426876/genome-wide-dna-methylation-analysis-during-non-alcoholic-steatohepatitis-related-multistage-hepatocarcinogenesis-comparison-with-hepatitis-virus-related-carcinogenesis
#4
Junko Kuramoto, Eri Arai, Ying Tian, Nobuaki Funahashi, Masaki Hiramoto, Takao Nammo, Yuichi Nozaki, Yoriko Takahashi, Nanako Ito, Ayako Shibuya, Hidenori Ojima, Aoi Sukeda, Yosuke Seki, Kazunori Kasama, Kazuki Yasuda, Yae Kanai
The aim of this study was to clarify the significance of DNA methylation alterations during non-alcoholic steatohepatitis (NASH)-related hepatocarcinogenesis. Single-CpG-resolution genome-wide DNA methylation analysis was performed on 264 liver tissue samples using the Illumina Infinium HumanMethylation450 BeadChip. After Bonferroni correction, 3331 probes showed significant DNA methylation alterations in 113 samples of non-cancerous liver tissue showing NASH (NASH-N) as compared with 55 samples of normal liver tissue (NLT)...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28420844/protein-losing-enteropathy-caused-by-intestinal-or-colonic-lymphangiectasia-complicated-by-sporadic-lymphangioleiomyomatosis-a-report-of-two-cases
#5
Koichi Nishino, Kaku Yoshimi, Tomoyoshi Shibuya, Takuo Hayashi, Keiko Mitani, Etsuko Kobayashi, Masako Ichikawa, Tetsuhiko Asao, Yohei Suzuki, Tadashi Sato, Satomi Shiota, Yuzo Kodama, Kazuhisa Takahashi, Kuniaki Seyama
This report describes two patients with sporadic lymphangioleiomyomatosis complicated by protein-losing enteropathy (PLE). Imaging studies indicated retroperitoneal lymphangioleiomyomas and abnormalities of the adjacent digestive tract. Endoscopic mucosal biopsy revealed colonic lymphangiectasia in one patient; whereas the site in the other patient was intestinal. Treatment with sirolimus led to the complete resolution of PLE within several months; additionally, marked shrinkage was observed in the lymphangioleiomyomas of both cases...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28418229/assembly-of-a-benzo-fused-bridged-ketone-scaffold-from-1-5-10-enediynes-through-one-pot-ruthenium-catalyzed-cyclization-iodine-mediated-oxidative-ring-expansion
#6
Yoshihiko Yamamoto, Kei-Ichiro Nishimura, Shota Mori, Masatoshi Shibuya
In the presence of a cationic Ru catalyst, 1,6-diynes bearing a terminal styryl moiety underwent [2+2+2] cyclization to produce dehydrobiphenylenes fused with a five-membered ring. Although the cycloadducts were unstable toward purification, their one-pot iodine-mediated ring expansion successfully afforded unprecedented bridged ketone products containing a benzo-fused bicyclo[3.2.1] framework.
April 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28400096/the-evolution-of-motor-cortical-dysfunction-in-amyotrophic-lateral-sclerosis
#7
Kazumoto Shibuya, Neil G Simon, Nimeshan Geevasinga, Parvathi Menon, James Howells, Susanna B Park, William Huynh, Yu-Ichi Noto, Steve Vucic, Matthew C Kiernan
OBJECTIVE: The present study aimed to investigate alterations in cortical function in amyotrophic lateral sclerosis (ALS) related to disease progression. METHODS: In total, clinical assessments were evaluated in 189 ALS patients, combined with assessment of cortical function utilising threshold tracking transcranial magnetic stimulation. Results were compared with disease stage. Disease stage was defined in three ways: (1) as a proportion of disease duration in deceased patients; (2) from the time of ALS onset; and (3) using the ALS rating scale-revised (ALSFRS-R)...
March 15, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28389674/comprehensive-analysis-of-the-association-between-ubac2-polymorphisms-and-beh%C3%A3-et-s-disease-in-a-japanese-population
#8
Kyoko Yamazoe, Akira Meguro, Masaki Takeuchi, Etsuko Shibuya, Shigeaki Ohno, Nobuhisa Mizuki
Behçet's disease (BD) is reportedly associated with polymorphisms of the ubiquitin-associated domain containing 2 (UBAC2) gene in Turkish, Italian, and Chinese populations. Here we investigated whether UBAC2 polymorphisms were associated with BD in a Japanese population. Using data from 611 Japanese BD patients and 737 Japanese controls who participated in our previous genome-wide association study, we analyzed the 58 genotyped single-nucleotide polymorphisms (SNPs) in the region 100 kb upstream and downstream of UBAC2...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28388525/development-of-combined-nanofiltration-and-forward-osmosis-process-for-production-of-ethanol-from-pretreated-rice-straw
#9
Masafumi Shibuya, Kengo Sasaki, Yasuhiro Tanaka, Masahiro Yasukawa, Tomoki Takahashi, Akihiko Kondo, Hideto Matsuyama
A membrane process combining nanofiltraion (NF) and forward osmosis (FO) was developed for the sugar concentration with the aim of high bio-ethanol production from the liquid fraction of rice straw. The commercial NF membrane, ESNA3, was more adequate for removal of fermentation inhibitors (such as acetic acid) than the FO membrane, whereas the commercial FO membrane, TFC-ES, was more adequate for concentration of the sugars than the NF membrane. The liquid fraction was subjected to the following process: NF concentration with water addition (NF(+H2O))→enzymatic hydrolysis→FO concentration...
March 28, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28386743/anomalous-inferior-mesenteric-artery-supplying-the-ascending-transverse-descending-and-sigmoid-colons
#10
Tamami Abe, Ayako Ujiie, Yuya Taguchi, Shun Satoh, Takahiro Shibuya, Yan Jun, Sumio Isogai, Yoh-Ichi Satoh
We have encountered in our anatomical practice the first case and an extremely rare second case in which the ascending, transverse, descending, and sigmoid colons were supplied by the inferior mesenteric artery. The causes of colic artery anomalies are generally explained in conjunction with the development of the superior mesenteric artery, which is intimately related to embryonic elongation and midgut rotation. However, this embryological model was inapplicable to both cases. This difficulty motivated us to seek possible relationships with reported anomalous inferior mesenteric arteries in adults as well as their embryological causes...
April 6, 2017: Anatomical Science International
https://www.readbyqxmd.com/read/28384465/multicenter-retrospective-study-of-the-risk-factors-of-hemorrhage-after-tooth-extraction-in-patients-receiving-antiplatelet-therapy
#11
Souichi Yanamoto, Takumi Hasegawa, Satoshi Rokutanda, Sayaka Komori, Akira Tachibana, Yuka Kojima, Yoshito Koyama, Yasuyuki Shibuya, Hiroshi Kurita, Takahide Komori, Masahiro Umeda
PURPOSE: To identify the risk factors affecting hemorrhage after tooth extraction in patients receiving antiplatelet therapy, this study investigated the relation between various factors and hemorrhage events after tooth extraction. PATIENTS AND METHODS: The records of 264 patients receiving antiplatelet therapy who underwent tooth extraction were retrospectively reviewed from 6 institutions belonging to the Japanese Study Group of Cooperative Dentistry with Medicine...
March 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28381768/tandem-brook-rearrangement-silicon-polonovski-reaction-via-oxidative-generation-of-ammonium-ylides
#12
Hiromasa Shibuya, Takahiro Nakago, Seiichi Inoue, Yujiro Hoshino, Kiyoshi Honda
A tandem Brook rearrangement/silicon Polonovski reaction has been achieved by in situ generation of ammonium ylides via the oxidation of α-silyl-tertiary amines. Furthermore, we found that the oxidation of N-(1-cyano-1-silyl)methyl-tertiary amines with peracids induced the tandem Brook rearrangement/silicon Polonovski reaction/fragmentation to give formamide derivatives in moderate yields.
April 4, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28381325/ossifying-fibroma-of-the-maxilla-and-sinonasal-tract-case-series
#13
Jack J Liu, Lester D R Thompson, Agnieszka M Janisiewicz, Terry Y Shibuya, David B Keschner, Rohit Garg, Jivianne T Lee
BACKGROUND: Head and neck ossifying fibroma (OF) is a rare, benign, locally aggressive, fibro-osseous tumor. The mandible is the most common site of involvement, followed by the maxilla, and, less frequently, the sinonasal cavities, orbit, skull base, and calvarium. In this study, we aimed to expand our understanding of this entity by presenting a case series of OF that involved the maxilla and sinonasal tract. METHODS: A multicenter retrospective review was performed on all the patients with a diagnosis of OF from 2004 to 2013...
March 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28379171/restoration-of-tear-secretion-in-a-murine-dry-eye-model-by-oral-administration-of-palmitoleic-acid
#14
Yuki Kimura, Daisuke Mori, Toshihiro Imada, Yusuke Izuta, Michiko Shibuya, Hisayo Sakaguchi, Erina Oonishi, Naoko Okada, Kenji Matsumoto, Kazuo Tsubota
Sea buckthorn (Hippophae rhamnoides)-derived products have traditionally been used as food and medicinal ingredients in Eastern countries. The purpose of this study was to investigate the effect of oral intake of sea buckthorn oil products on tear secretion using a murine dry eye model. Orally administered sea buckthorn pulp oil (not seed oil) restored aqueous tear secretion to its normal value under a dry eye condition. Palmitoleate (C16:1), a fatty acid present in sea buckthorn pulp oil, preserved tear secretion and suppressed inflammatory cytokines in the lacrimal gland to the same extent as that by pulp oil...
April 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28378773/polysulfides-h2sn-produced-from-the-interaction-of-hydrogen-sulfide-h2s-and-nitric-oxide-no-activate-trpa1-channels
#15
Ryo Miyamoto, Shin Koike, Yoko Takano, Norihiro Shibuya, Yuka Kimura, Kenjiro Hanaoka, Yasuteru Urano, Yuki Ogasawara, Hideo Kimura
Hydrogen sulfide (H2S) exerts synergistic effects with another gaseous signaling molecule nitric oxide (NO) on ion channels and vasculature. However, the mechanism of the synergy is not well understood. Here, we show that the interaction between H2S and NO generates polysulfides (H2Sn), which activate transient receptor potential ankyrin 1 (TRPA1) channels. High performance liquid chromatography with tandem mass spectrometry analysis, along with the imaging of intracellular Ca(2+) and H2Sn, showed that H2Sn and their effects were abolished by cyanolysis and by reducing substances such as dithiothreitol (DTT), cysteine, and glutathione (GSH)...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28369864/the-rice-lysm-receptor-like-kinase-oscerk1-is-required-for-the-perception-of-short-chain-chitin-oligomers-in-arbuscular-mycorrhizal-signaling
#16
Gennaro Carotenuto, Mireille Chabaud, Kana Miyata, Martina Capozzi, Naoya Takeda, Hanae Kaku, Naoto Shibuya, Tomomi Nakagawa, David G Barker, Andrea Genre
The rice lysin-motif (LysM) receptor-like kinase OsCERK1 is now known to have a dual role in both pathogenic and symbiotic interactions. Following the recent discovery that the Oscerk1 mutant is unable to host arbuscular mycorrhizal (AM) fungi, we have examined whether OsCERK1 is directly involved in the perception of the short-chain chitin oligomers (Myc-COs) identified in AM fungal exudates and shown to activate nuclear calcium (Ca(2+) ) spiking in the rice root epidermis. An Oscerk1 knockout mutant expressing the cameleon NLS-YC2...
March 29, 2017: New Phytologist
https://www.readbyqxmd.com/read/28367538/tracking-the-fate-and-origin-of-clinically-relevant-adoptively-transferred-cd8-t-cells-in-vivo
#17
Aude G Chapuis, Cindy Desmarais, Ryan Emerson, Thomas M Schmitt, Kendall Shibuya, Ivy Lai, Felecia Wagener, Jeffrey Chou, Ilana M Roberts, David G Coffey, Edus Warren, Harlan Robbins, Philip D Greenberg, Cassian Yee
Adoptively transferred tumor-specific cells can mediate tumor regression in cancers refractory to conventional therapy. Autologous polyclonal tumor-specific cytotoxic T cells (CTL) generated from peripheral blood and infused into patients with metastatic melanoma show enhanced persistence, compared to equivalent numbers of more extensively expanded monoclonal CTL, and are associated with complete remissions (CR) in select patients. We applied high-throughput T cell receptor Vβ sequencing (HTTCS) to identify individual clonotypes within CTL products, track them in vivo post-infusion and then deduce the pre-adoptive transfer (endogenous) frequencies of cells ultimately responsible for tumor regression...
February 2017: Science Immunology
https://www.readbyqxmd.com/read/28357085/long-term-survival-and-prognosis-associated-with-conversion-surgery-in-patients-with-metastatic-gastric-cancer
#18
Takahiro Einama, Hironori Abe, Shunsuke Shichi, Hiroki Matsui, Ryo Kanazawa, Kazuaki Shibuya, Takashi Suzuki, Fumihiko Matsuzawa, Taku Hashimoto, Nakachi Kohei, Shigenori Homma, Hideki Kawamura, Akinobu Taketomi
In gastric cancer, primary systemic chemotherapy is the standard approach for the management of patients with initially unresectable metastasis, and it occasionally leads to a reduction in the size of the lesion, which facilitates surgical resection. The aim of this study was to examine the prognosis of patients who were able to undergo complete resection following chemotherapy. A total of 10 patients who underwent radical surgery for stage IV primary gastric cancer after chemotherapy between 2009 and 2015 at the Department of Surgery of Hokkaido Social Work Association Obihiro Hospital (Obihiro, Japan) were retrospectively investigated...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28356964/prognostic-significance-of-klf4-expression-in-gastric-cancer
#19
Isaya Hashimoto, Takuya Nagata, Shinichi Sekine, Makoto Moriyama, Kazuto Shibuya, Shozo Hojo, Koshi Matsui, Isaku Yoshioka, Tomoyuki Okumura, Takashi Hori, Yutaka Shimada, Kazuhiro Tsukada
To understand the roles of pluripotent stem cell-inducing genes in gastric cancer, the expression of Krüppel-like factor 4 (KLF4), Nanog, octamer-binding transcription factor 4 (Oct4), avian myelocytomatosis viral oncogene homolog (c-Myc) and sex-determining region Y-box 2 (SOX2) was examined using the newly developed gastric carcinoma tissue microarray. The associations between the immunohistochemical expression levels of the pluripotency-inducing factors and the clinicopathological data of 108 patients with gastric cancer were analyzed...
February 2017: Oncology Letters
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
#20
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
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