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Takahiro Mimori, Jun Yasuda, Yoko Kuroki, Tomoko F Shibata, Fumiki Katsuoka, Sakae Saito, Naoki Nariai, Akira Ono, Naomi Nakai-Inagaki, Kazuharu Misawa, Keiko Tateno, Yosuke Kawai, Nobuo Fuse, Atsushi Hozawa, Shinichi Kuriyama, Junichi Sugawara, Naoko Minegishi, Kichiya Suzuki, Kengo Kinoshita, Masao Nagasaki, Masayuki Yamamoto
Human leukocyte antigen (HLA) is a gene complex known for its exceptional diversity across populations, importance in organ and blood stem cell transplantation, and associations of specific alleles with various diseases. We constructed a Japanese reference panel of class I HLA genes (ToMMo HLA panel), comprising a distinct set of HLA-A, HLA-B, HLA-C, and HLA-H alleles, by single-molecule, real-time (SMRT) sequencing of 208 individuals included in the 1070 whole-genome Japanese reference panel (1KJPN). For high-quality allele reconstruction, we developed a novel pipeline, Primer-Separation Assembly and Refinement Pipeline (PSARP), in which the SMRT sequencing and additional short-read data were used...
January 19, 2018: Pharmacogenomics Journal
Patrick B Rapuano, Alexandra H Scanameo, Daeryl E Amponin, Sefy A Paulose, Mariya Zyablitskaya, Anna Takaoka, Leejee H Suh, Takayuki Nagasaki, Stephen L Trokel, David C Paik
Purpose: Our recent studies raise the possibility of using sodium hydroxymethylglycinate (SMG), for pharmacologic therapeutic tissue cross-linking (TXL) of the cornea. The present study was performed to evaluate the antimicrobial effects of SMG for potential use in treating infectious keratitis. Methods: In initial (group 1) experiments, methicillin-sensitive Staphylococcus aureus (MSSA), methicillin-resistant Staphylococcus aureus (MRSA), and Pseudomonas aeruginosa (PA) were treated with SMG (10-40 mM) for 10 to 120 minutes...
January 1, 2018: Investigative Ophthalmology & Visual Science
Annabelle Mathieu-Denoncourt, Corinne Letendre, Jean-Philippe Auger, Mariela Segura, Virginia Aragon, Sonia Lacouture, Marcelo Gottschalk
Streptococcus suis and Haemophilus parasuis are normal inhabitants of the porcine upper respiratory tract but are also among the most frequent causes of disease in weaned piglets worldwide, causing inflammatory diseases such as septicemia, meningitis and pneumonia. Using an in vitro model of infection with tracheal epithelial cells or primary alveolar macrophages (PAMs), it was possible to determine the interaction between S. suis serotype 2 and H. parasuis strains with different level of virulence. Within H...
January 6, 2018: Pathogens
Hironori Minami, Toshiya Nagasaki, Takashi Akiyoshi, Tsuyoshi Konishi, Yoshiya Fujimoto, Satoshi Nagayama, Yosuke Fukunaga, Hironori Fukuoka, Masashi Ueno
Bowel herniation through the space between the exposed structures after pelvic lymphadenectomy is a very rare cause of postoperative bowel obstruction. Here, a case of laparoscopic release of bowel migration into the space after pelvic lymphadenectomy is described. This is the seventh such reported case in the world. A 38-year-old woman who had a history of undergoing laparoscopic radical hysterectomy and bilateral pelvic lymphadenectomy for cervical cancer was diagnosed with strangulated bowel obstruction...
January 4, 2018: Asian Journal of Endoscopic Surgery
Hiroo Nakagawa, Yumi Matsumaru, Seiichi Nose, Hitoshi Sasaki, Takashi Kitahara
 The concentration of ganciclovir eye drops for hospital preparation was changed from 0.5% to 2.0% at the Nagasaki University Hospital from March 2015. We investigated the incidence of side effects in 12 patients using 2.0% ganciclovir eye drops and evaluated the cytotoxicity of 2.0% ganciclovir eye drops using cultured rabbit corneal cells in vitro. As a side effect of 2.0% ganciclovir eye drops, three patients exhibited an early feeling of transient stimulation. The 2.0% ganciclovir eye drops did not demonstrate cell cytotoxicity for cultured corneal cells after 5 min, but did after 10 min...
2018: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
Hiromichi Kawano, Takahiro Mori, Azusa Kuroki, Toshikazu Nagasaki, Mariko Maruyama, Mineka Yoshikawa, Mitsuyoshi Yoshida, Kazuhiro Tsuga
OBJECTIVES: To develop and assess a dysphagia training method involving lollipop sucking training in older adults with dementia, clarify its effectiveness for improving oral function. METHODS: Twenty-five older adults with dementia (5 males and 20 females, mean age 90.8 ± 6.7 years) were participated in this study. Participants were trained in lollipop sucking once a day, 3 times a week for 6 months. Mini-Mental State Examination (MMSE), Barthel Index (BI), Candy Sucking Test (CST), and BMI values were measured before and after the training...
January 4, 2018: Archives of Gerontology and Geriatrics
Sadanori Akita, Kenji Hayashida, Hiroshi Yoshimoto, Masaki Fujioka, Chikako Senju, Shin Morooka, Gozo Nishimura, Nobuhiko Mukae, Kazuo Kobayashi, Kuniaki Anraku, Ryuichi Murakami, Akiyoshi Hirano, Masao Oishi, Shintaro Ikenoya, Nobuyuki Amano, Hiroshi Nakagawa
Cultured epithelial autografts (CEA) with highly expanded mesh skin grafts were used for extensive adult burns covering more than 30% of the total body surface area. A prospective study on eight patients assessed subjective and objective findings up to a 12-month follow-up. The results of wound healing for over 1:6 mesh plus CEA, gap 1:6 mesh plus CEA, and 1:3 mesh were compared at 3, 6, and 12 months using extensibility, viscoelasticity, color, and transepidermal water loss by a generalized estimating equation (GEE) or generalized linear mixed model (GLMM)...
December 25, 2017: International Journal of Molecular Sciences
D Bazyka
After the creation of the Academy of Medical Sciences of Ukraine in 1993 the Research Center for Radiation Medicine was among the first institutions to join the Academy (fig. 1). Estab lishing the Academy was among the first steps of the independent Ukrainian government and aimed to provide a high level health care for population. It was extremely needed for the minimization of Chornobyl medical consequences. This choice was related to a growing recognition of the scientific research in fulfilling the Сenter's mission - study of the effects of low dose radiation on human body and radiation protection of the exposed population...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
Masaki Nishioka, Miki Bundo, Junko Ueda, Katsuoka Fumiki, Yukuto Sato, Yoko Kuroki, Takao Ishii, Wataru Ukai, Shigeo Murayama, Eri Hashimoto, Masao Nagasaki, Jun Yasuda, Kiyoto Kasai, Tadafumi Kato, Kazuya Iwamoto
AIM: Somatic mutations in the human brain are hypothesized to contribute to the functional diversity of brain cells as well as the pathophysiology of neuropsychiatric diseases. However, there are still few reports on somatic mutations in non-neoplastic human brain tissues. This study attempted to unveil the landscape of somatic mutations in the human brain. METHODS: We explored the landscape of somatic mutations in human brain tissues derived from three males with no neuropsychiatric diseases by whole-genome deep sequencing at a depth of around 100...
December 28, 2017: Psychiatry and Clinical Neurosciences
Makiko Horai, Hiroyuki Mishima, Chisa Hayashida, Akira Kinoshita, Yoshibumi Nakane, Tatsuki Matsuo, Kazuto Tsuruda, Katsunori Yanagihara, Shinya Sato, Daisuke Imanishi, Yoshitaka Imaizumi, Tomoko Hata, Yasushi Miyazaki, Koh-Ichiro Yoshiura
Ionizing radiation released by the atomic bombs at Hiroshima and Nagasaki, Japan, in 1945 caused many long-term illnesses, including increased risks of malignancies such as leukemia and solid tumours. Radiation has demonstrated genetic effects in animal models, leading to concerns over the potential hereditary effects of atomic bomb-related radiation. However, no direct analyses of whole DNA have yet been reported. We therefore investigated de novo variants in offspring of atomic-bomb survivors by whole-genome sequencing (WGS)...
December 26, 2017: Journal of Human Genetics
Yukihiro Shiga, Koji M Nishiguchi, Yosuke Kawai, Kaname Kojima, Kota Sato, Kosuke Fujita, Mai Takahashi, Kazuko Omodaka, Makoto Araie, Kenji Kashiwagi, Makoto Aihara, Takeshi Iwata, Fumihiko Mabuchi, Mitsuko Takamoto, Mineo Ozaki, Kazuhide Kawase, Nobuo Fuse, Masayuki Yamamoto, Jun Yasuda, Masao Nagasaki, Toru Nakazawa
PURPOSE: To test the genetic association between Japanese patients with primary open-angle glaucoma (POAG) and the previously reported POAG susceptibility loci and to perform genotype-phenotype analysis. METHODS: Genetic associations for 27 SNPs from 16 loci previously linked to POAG were assessed using genome-wide SNP data of the primary cohort (565 Japanese POAG patients and 1,104 controls). Reproducibility of the assessment was tested in 607 POAG cases and 455 controls (second cohort) with a targeted genotyping approach...
2017: PloS One
Tokurou Shimizu, Yasuhiro Tanizawa, Takako Mochizuki, Hideki Nagasaki, Terutaka Yoshioka, Atsushi Toyoda, Asao Fujiyama, Eli Kaminuma, Yasukazu Nakamura
Satsuma (Citrus unshiu Marc.) is one of the most abundantly produced mandarin varieties of citrus, known for its seedless fruit production and as a breeding parent of citrus. De novo assembly of the heterozygous diploid genome of Satsuma ("Miyagawa Wase") was conducted by a hybrid assembly approach using short-read sequences, three mate-pair libraries, and a long-read sequence of PacBio by the PLATANUS assembler. The assembled sequence, with a total size of 359.7 Mb at the N50 length of 386,404 bp, consisted of 20,876 scaffolds...
2017: Frontiers in Genetics
Yui Tabuchi, Yosuke Morimoto, Yudai Yano, Yuichi Tawara, Shuntaro Sato, Kazuyoshi Tanigawa, Kiyoyuki Eishi, Ryo Kozu
INTRODUCTION: Respiratory failure and respiratory tract infections are frequently observed as post-operative pulmonary complications, and significantly contribute to morbidity and mortality. However, the risk factors of post-operative respiratory failure and respiratory tract infections are controversial, and how these factors affect on incidence of complications is still unclear. OBJECTIVE: To identify risk factors of post-operative respiratory failure and respiratory tract infections, and evaluate its impact on incidences after cardiovascular surgery...
December 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
Yuki Tanaka, Kei Watanabe, Keiichi Katsumi, Masayuki Ohashi, Keisuke Nagasaki, Toru Hirano
CASE: We present a case of brachytelephalangic chondrodysplasia punctata with a severe atlantoaxial dislocation in an underdeveloped child. The patient underwent halo jacket application using 10 halo pins with <1 lb/in of torque, followed by posterior occipitocervical fusion with onlay rib and iliac autografts. After bone grafts and replacement of the halo ring multiple times, successful osseous fusion had been achieved by the 2-year follow-up. CONCLUSION: Although simple bone-grafting with a halo jacket is useful in underdeveloped patients with skeletal dysplasia, the complications related to halo fixation, including cranial bone perforation, and the patient's neurological status must be carefully monitored...
January 2017: JBJS Case Connector
Luis Fernando Chaves, Kazuhiko Moji
The Asian Bush Mosquito, Aedes (Finlaya) japonicus japonicus (Theobald) is an important globally invasive mosquito species. In comparison with other major invasive mosquitoes, relatively little is known about Ae. j. japonicus population dynamics in the field. Here, we present results from a 54-biweek long study of Ae. j. japonicus abundance in ovitraps set across the altitudinal gradient of Mt. Konpira, Nagasaki, Japan. Spatially, we found that Ae. j. japonicus fourth instar larvae (Aj4il) were more abundant at the base and top of Mt...
December 8, 2017: Journal of Medical Entomology
Mako Nagayoshi, Miho Higashi, Noboru Takamura, Mami Tamai, Jun Koyamatsu, Hirotomo Yamanashi, Koichiro Kadota, Shimpei Sato, Shin-Ya Kawashiri, Zenya Koyama, Toshiyuki Saito, Takahiro Maeda
OBJECTIVES: Social environment is often associated with health outcomes, but epidemiological evidence for its effect on oral frailty, a potential risk factor for aspiration, is sparse. This study aimed to assess the association between social environment and tongue pressure, as an important measure of oral function. The study focused on family structure, social networks both with and beyond neighbours, and participation in leisure activities. DESIGN: A population-based cross-sectional study...
December 6, 2017: BMJ Open
Benjamin French, John Cologne, Ritsu Sakata, Mai Utada, Dale L Preston
In cohort studies, unbiased estimation of exposure-outcome associations requires selection of an appropriate reference group of unexposed individuals. We illustrate strategies for analyzing cohort data with multiple potential reference groups. We analyzed the association between radiation exposure and incidence of first primary solid cancer among 105,444 participants of the Life Span Study (Hiroshima and Nagasaki, Japan, 1958-2009). Potential reference groups included zero-dose survivors at different ground distances from the hypocenter (internal) and city residents who were not in either city at the time of the bombings (external)...
December 4, 2017: European Journal of Epidemiology
Ran Zwigenberg
The onset of nuclear warfare in Hiroshima and Nagasaki had far-reaching implications for the world of medicine. The study of the A-bomb and its implications led to the launching of new fields and avenues of research, most notably in genetics and radiation studies. Far less understood and under-studied was the impact of nuclear research on psychiatric medicine. Psychological research, however, was a major focus of post-war military and civilian research into the bomb. This research and the perceived revolutionary impact of atomic energy and warfare on society, this paper argues, played an important role in the global development of post-war psychiatry...
January 2018: Medical History
Tomohiro Ueda, Tomohisa Takagi, Kazuhiro Katada, Takaya Iida, Katsura Mizushima, Osamu Dohi, Tetsuya Okayama, Naohisa Yoshida, Kazuhiro Kamada, Kazuhiko Uchiyama, Osamu Handa, Takeshi Ishikawa, Yuji Naito, Yukio Nagasaki, Yoshito Itoh
BACKGROUND: Intestinal ischemia-reperfusion (I-R) injury is a serious abdominal condition leading to multiple organ failure with high mortality. However, no reliable treatment is available. Novel redox nanoparticle (RNPO) was recently developed, and its efficacy for several intestinal inflammatory conditions has been reported. To this end, the aim of this study was to investigate the therapeutic effects of RNPO on intestinal I-R injury in mice. METHODS: Ischemia was induced in the small intestine of C57BL/6 mice by occluding the superior mesenteric artery for 45 min under anesthesia followed by reperfusion for 4 h...
November 30, 2017: Biochemical and Biophysical Research Communications
Yumi Yamaguchi-Kabata, Jun Yasuda, Osamu Tanabe, Yoichi Suzuki, Hiroshi Kawame, Nobuo Fuse, Masao Nagasaki, Yosuke Kawai, Kaname Kojima, Fumiki Katsuoka, Sakae Saito, Inaho Danjoh, Ikuko N Motoike, Riu Yamashita, Seizo Koshiba, Daisuke Saigusa, Gen Tamiya, Shigeo Kure, Nobuo Yaegashi, Yoshio Kawaguchi, Fuji Nagami, Shinichi Kuriyama, Junichi Sugawara, Naoko Minegishi, Atsushi Hozawa, Soichi Ogishima, Hideyasu Kiyomoto, Takako Takai-Igarashi, Kengo Kinoshita, Masayuki Yamamoto
Clarifying allele frequencies of disease-related genetic variants in a population is important in genomic medicine; however, such data is not yet available for the Japanese population. To estimate frequencies of actionable pathogenic variants in the Japanese population, we examined the reported pathological variants in genes recommended by the American College of Medical Genetics and Genomics (ACMG) in our reference panel of genomic variations, 2KJPN, which was created by whole-genome sequencing of 2049 individuals of the resident cohort of the Tohoku Medical Megabank Project...
December 1, 2017: Journal of Human Genetics
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