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Michiko Wada, Motohiko Kato, Yuichiro Hirai, Yoko Kubosawa, Yukie Sunata, Keiichiro Abe, Tetsu Hirata, Yoshiaki Takada, Shigeo Banno, Yusaku Takatori, Satoshi Kinoshita, Hideki Mori, Kaoru Takabayashi, Miho Kikuchi, Masahiro Kikuchi, Masayuki Suzuki, Takanori Kanai, Toshio Uraoka
BACKGROUND/AIMS: Although colonic diverticular bleeding (CDB) often ceases spontaneously, re-bleeding occurs in about 30%. Bleeding diverticulum can be treated directly by endoscopic hemostasis; however, it is difficult to perform colonoscopy in all cases with limited medical resource and certain risks. The aim of this study was to clarify who should undergo colonoscopy as well as appropriate methods of initial management in CDB patients. METHODS: A total of 285 patients who were diagnosed as CDB and underwent colonoscopy from March 2004 to October 2015 were retrospectively analyzed...
April 19, 2018: Digestion
Thanh Quang Dang-Nguyen, Hiep Thi Nguyen, Tamas Somfai, David Wells, Nguyen Thi Men, Nguyen Viet-Linh, Junko Noguchi, Hiroyuki Kaneko, Kazuhiro Kikuchi, Takashi Nagai
We investigated whether high-quality in vitro matured (IVM) oocytes can be distinguished from poor ones based on the morphological changes after treatment with hyperosmotic medium containing 0.2 mol/L sucrose in pigs. We hypothesize that IVM oocytes maintaining round shape have higher quality than mis-shapened oocytes following dehydration. Oocyte quality was verified by determining embryonic developmental competence using in vitro fertilization, nuclear transfer and parthenogenetic activation. In all cases, the round oocytes had greater (p < ...
April 19, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
Iwaho Kikuchi, Noriko Kagawa, Yuka Shirosaki, Ikumi Shinozaki, Yasuka Miyakuni, Kyoko Oshina, Michio Nojima, Koyo Yoshida
One factor explaining the declining birth rate in Japan is the social advancement of women. Women are delaying marriage and childbirth, with many then facing so-called 'social infertility'. Advanced infertility treatment options, such as in vitro fertilization, are available, but the costs are high. Further, the success rates for 'older' women are only around 10%. We report the preliminary results of an oocyte cryopreservation programme promoted and subsidized by our city government. Citywide seminars were conducted to generate awareness of issues surrounding fertility...
April 19, 2018: Human Fertility: Journal of the British Fertility Society
Yasunori Toda, Wakatake Kaku, Makoto Tsuruoka, Sho Shinogaki, Tomoka Abe, Hideaki Kamiya, Ayaka Kikuchi, Kennosuke Itoh, Hiroyuki Suga
A dual catalytic system, dirhodium tetrapivalate/ytterbium(III) triflate, enables the three-component reactions of α-alkyl-α-diazoesters, aromatic aldehydes, and N-benzylidenebenzylamine derivatives to afford the corresponding β-amino alcohols in good yields after hydrolysis of the oxazolidine cycloadducts, whereas no β-amino alcohols are obtained in the absence of ytterbium(III) triflate. A similar dual catalytic system, dirhodium tetraacetate/ytterbium(III) triflate, is found to be effective in accelerating the reactions of α-aryl-α-diazoesters in high yields...
April 19, 2018: Organic Letters
Yosuke Kikuchi, Satomi Nozaki, Miki Makita, Shoji Yokozuka, Shin-Ichi Fukudome, Takashi Yanagisawa, Seiichiro Aoe
Metabolic syndrome is a risk factor for cardiovascular diseases and has become increasingly common in Japan. Epidemiological studies show inverse associations between intake of whole wheat grains and metabolic syndrome, but few dietary intervention trials have investigated the effect of whole wheat grain consumption. It was investigated whether a diet in which refined wheat bread (RW diet) was substituted by whole grain wheat bread (WW diet) would reduce visceral fat obesity in Japanese subjects. A randomized double-blind placebo-controlled intervention study was conducted in 50 Japanese subjects with body mass index (BMI) ≥ 23 kg/m2 ...
April 18, 2018: Plant Foods for Human Nutrition
Tempei Otsubo, Yoshinori Watanabe, Seiji Hongo, Mikichika Inoue, Kimiko Akimoto, Ken Murakami, Ryutaro Takahashi, Toshiaki Kikuchi
Aim: To assess the effectiveness and safety of switching the antidepressant formulation from immediate-release (IR) to controlled-release (CR) paroxetine in patients with major depressive disorder (MDD). Patients and methods: A total of 113 outpatients with MDD diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders , Fourth Edition, Text Revision, and treated with a stable dose of IR paroxetine for at least 6 months were enrolled. Patients were then switched to CR paroxetine for 8 weeks...
2018: Neuropsychiatric Disease and Treatment
Gideon Kofi Helegbe, Nguyen Tien Huy, Tetsuo Yanagi, Mohammed Nasir Shuaibu, Mihoko Kikuchi, Mahamoud Sama Cherif, Kenji Hirayama
BACKGROUND: Alterations in inflammatory cytokines and genetic background of the host contribute to the outcome of malaria infection. Despite the promising protective role of IL-17 in infections, little attention is given to further understand its importance in the pathogenesis of severe malaria anaemia in chronic/endemic situations. The objective of this study, therefore, was to evaluate IL-17 levels in anaemic condition and its association with host genetic factors. METHODS: Two mice strains (Balb/c and CBA) were crossed to get the F1 progeny, and were (F1, Balb/c, CBA) taken through 6 cycles of Plasmodium berghei (ANKA strain) infection and chloroquine/pyrimethamine treatment to generate semi-immune status...
April 17, 2018: Malaria Journal
Koji Tezuka, Tomoharu Ishiyama, Akiko Takeshita, Hidekazu Matsumoto, Akira Jingu, Jiro Kikuchi, Hideyuki Yamaya, Rintaro Ohe, Tetsuya Ishizawa
Pancreatic cancer in young adults is very rare. We report a case of young-onset poorly differentiated pancreatic ductal adenocarcinoma with rapid progression and poor prognosis in a 31-year-old Japanese man with no obvious family history of malignancy. Preoperative examinations revealed a mass lesion in the body of the pancreas, accompanied by a slightly dilated main pancreatic duct distal to the mass lesion. Pancreatic cancer with acute pancreatitis was suspected because of an elevation of serum pancreatic enzyme and tumor marker, along with imaging findings...
April 16, 2018: Clinical Journal of Gastroenterology
H Mitomo, A Sakurada, Y Matsuda, H Notsuda, T Watanabe, H Oishi, H Niikawa, S Maeda, M Noda, T Sado, T Amemiya, Y Yoshida, T Kikuchi, K Kamei, Y Okada
We report a very rare case of pulmonary chromomycosis caused by Scedosporium prolificans that developed after lung transplantation and was successfully treated with endobronchial topical amphotericin B instillation. The subject was a woman in her 50s with a history of bilateral lobar lung transplantation from living donors for idiopathic pulmonary hypertension. Eight years after the lung transplantation, chest radiography X-ray and computed tomography showed an abnormal shadow in the right lung. Bronchoscopic findings showed obstruction by a fungal component at the laterobasal bronchus B9...
April 2018: Transplantation Proceedings
Satomi Aoyama-Kikawa, Hiromasa Fujita, Sharon J B Hanley, Mitsunori Kasamo, Kokichi Kikuchi, Toshihiko Torigoe, Yoshihiro Matsuno, Akiko Tamakoshi, Takayuki Sasaki, Motoki Matsuura, Yasuhito Kato, Peixin Dong, Hidemichi Watari, Tsuyoshi Saito, Kazuo Sengoku, Noriaki Sakuragi
While cytology-based screening programs have significantly reduced mortality and morbidity from cervical cancer, the global consensus is that primary human papillomavirus (HPV) testing for cervical screening increases detection of high-grade cervical intraepithelial neoplasia (CIN) and invasive cancer. However, the optimal triage strategy for HPV-positive women to avoid over-referral to colposcopy may be setting specific. Since Japan requires data that has been generated domestically to modify screening guidelines, we conducted a 3-year prospective study COMparison of HPV genotyping And Cytology Triage (COMPACT) to evaluate the potential role of HPV16/18 partial genotyping and cytology for primary HPV screening, Totally, 14,642 women aged 20-69yrs undergoing routine screening at three centers in Hokkaido were enrolled...
April 16, 2018: Cancer Science
Akiyoshi Matsugi, Yutaka Kikuchi, Kenta Kaneko, Yuta Seko, Masato Odagaki
Transcranial magnetic stimulation (TMS) over the cerebellum facilitates the spinal reflex in healthy humans. The aim of this study was to investigate whether such cerebellar spinal facilitation (CSpF) appears in patients with spinocerebellar ataxia (SCA) presenting with atrophy in the cerebellar gray matter and dentate nucleus. One patient with SCA type 6 and another with SCA type 31 participated in this study. TMS over the right primary motor cortex was used to induce motor-evoked potentials in the right first dorsal interosseous muscle, which were detected using electromyography...
April 13, 2018: Neuroreport
I Musha, M Mochizuki, T Kikuchi, J Akatsuka, A Ohtake, K Kobayashi, N Kikuchi, T Kawamura, I Yokota, T Urakami, S Sugihara, S Amemiya
AIMS: To evaluate comprehensively the use of the glycated albumin to HbA1c ratio for estimation of glycaemic control in the previous month. METHODS: A total of 306 children with Type 1 diabetes mellitus underwent ≥10 simultaneous measurements of glycated albumin and HbA1c . Correlation and concordance rates were examined between HbA1c measurements taken 1 month apart (ΔHbA1c ) and glycated albumin/HbA1c ratio fluctuations were calculated as Z-scores from the cohort value at enrolment (method A) or the percent difference from the individual mean over time (method B)...
April 13, 2018: Diabetic Medicine: a Journal of the British Diabetic Association
Tomonori Minagawa, Momokazu Gotoh, Osamu Yokoyama, Kimio Sugaya, Tomonori Yamanishi, Kazuya Kawahara, Kanya Kaga, Takashi Kikuchi, Osamu Nishizawa
OBJECTIVES: To show the efficacy of propiverine hydrochloride in the management of symptoms of stress urinary incontinence in female patients with mixed-type urinary incontinence. METHODS: The study was carried out as a multicenter single-arm clinical trial at 64 institutions in Japan. The participants were female patients aged ≥20 years with mixed-type urinary incontinence. The frequency of stress urinary incontinence and urgency urinary incontinence was evaluated at baseline and 4, 8 and 12 weeks after treatment with propiverine hydrochloride...
April 12, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
Eiichiro Nakao, Rie Ozawa, Mamiko Takii, Nobuaki Kaibe, Yasunori Kurahashi, Tsutomu Oshima, Hirotaka Niwa, Shojiro Kikuchi, Mitsuru Sasako, Hisashi Shinohara
We report a case of Stage IV gastric cancer showing pathological complete response(pCR)after neo-adjuvant chemotherapy( NAC)using S-1 and oxaliplatin(SOX).A woman 73-year-old was diagnosed as harming type 3 Stage IV gastric cancer with para-aortic lymph node(PAN)metastasis.She underwent 4 courses of NAC with SOX regimen.After the treatment, both the primary tumor and the metastatic PAN decreased in size remarkably.She underwent distal gastrectomy with D2 plus PAN dissection with curative intent.Pathological diagnosis revealed complete disappearance of cancer cells in both the primary lesion of the stomach and all dissected lymph nodes, confirming pCR...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Hideomi Itoh, Kanako Tago, Masahito Hayatsu, Yoshitomo Kikuchi
Covering: up to 2018Insects live in a world full of toxic compounds such as plant toxins and manmade pesticides. To overcome the effects of these toxins, herbivorous insects have evolved diverse, elaborate mechanisms of resistance, such as toxin avoidance, target-site alteration, and detoxification. These resistance mechanisms are thought to be encoded by the insects' own genomes, and in many cases, this holds true. However, recent omics analyses, in conjunction with classic culture-dependent analyses, have revealed that a number of insects possess specific gut microorganisms, some of which significantly contribute to resistance against phytotoxins and pesticides by degrading such chemical compounds...
April 12, 2018: Natural Product Reports
Saki Yoshida, Shu Kikuchi, Shinji Kanehashi, Kazuo Okamoto, Kenji Ogino
Multicomponent polymer particles with specific morphology are promising materials exhibiting novel functionality which cannot be obtained with single-component polymer particles. Particularly, the preparation of such kinds of polymer particles involving electrically or optically active conjugated polymers with uniform size is a challenging subject due to their intense demands. Here, microspheres of binary polymer blend consisting of poly(4-butyltriphenylamine) (PBTPA)/poly(methyl methacrylate) (PMMA) (1:1 in weight) were produced via a microfluidic emulsification with a Y-shaped microreactor, and a subsequent solvent evaporation method...
April 10, 2018: Materials
Satoru Ikemoto, Shin-Ichiro Hamano, Yuko Hirata, Ryuki Matsuura, Kenjiro Kikuchi
BACKGROUND: Iodine 123 (I-123) iomazenil is a specific ligand of the central benzodiazepine receptor, which is a part of the postsynaptic gamma-aminobutyric acid A receptor complex. We performed statistical image processing of I-123 iomazenil single-photon emission computed tomography to elucidate maturational changes in the GABAergic system. METHODS: Thirty patients (18 boys and 12 girls, aged 17 days to 14 years) with cryptogenic focal epilepsy were enrolled and underwent I-123 iomazenil single-photon emission computed tomography...
April 3, 2018: Pediatric Neurology
Ayami Komatsu, Atsushi Ikeda, Akio Kikuchi, Chiaki Minami, Motomu Tan, Shuzo Matsushita
INTRODUCTION: Patients with HIV infection may have a higher prevalence of osteoporosis and osteopenia, as well as an increased risk of bone fracture compared with non-HIV-infected individuals. Antiretroviral therapy is thought to be one of factors associated to osteoporosis-related bone fractures. OBJECTIVE: The aim of this study was to assess the effects of long-term exposure to tenofovir disoproxil fumarate (TDF) on the cumulative risk of osteoporosis-related bone fractures in Japanese patients with HIV infection...
April 5, 2018: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
Masafumi Kikuchi, Masaki Tanaka, Shinya Takasaki, Akiko Takahashi, Miki Akiba, Yasushi Matsuda, Masafumi Noda, Kanehiko Hisamichi, Hiroaki Yamaguchi, Yoshinori Okada, Nariyasu Mano
Background: Mycophenolic acid (MPA) treatment requires therapeutic drug monitoring to improve the outcome after organ transplantation. The aim of this study was to compare two methods, a particle enhanced turbidimetric inhibition immunoassay (PETINIA) and a reference liquid chromatography tandem mass spectrometry (LC-MS/MS) for determining plasma MPA concentrations from Japanese lung transplant recipients. Methods: Plasma MPA concentrations were determined from 20 Japanese lung transplant recipients using LC-MS/MS and the PETINIA on the Dimension Xpand Plus-HM analyzer...
2018: Journal of Pharmaceutical Health Care and Sciences
Yusuke Matsui, Yosuke Funato, Hiromi Imamura, Hiroaki Miki, Shin Mizukami, Kazuya Kikuchi
Mg2+ plays important roles in many physiological processes. However, the underlying molecular mechanisms, especially in the apoptotic pathway, remain unclear due to the diffusion of Mg2+ probes, which hinders long-term imaging in specific organelles. We developed an immobilized Mg2+ probe, MGH, which is covalently conjugated with the HaloTag protein in various organelles. HaloTag-coupled MGH enabled long-term imaging of intracellular local Mg2+ dynamics for 24 h. To exploit this remarkable property, MGH was applied to the investigation of intracellular Mg2+ dynamics during apoptosis...
December 1, 2017: Chemical Science
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