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Hiroshi Endo, Shuichi Ino, Waka Fujisaki
Elderly individuals whose ability to chew and swallow has declined are often restricted to unpleasant diets of very soft food, leading to a poor appetite. To address this problem, we aimed to investigate the influence of altered auditory input of chewing sounds on the perception of food texture. The modified chewing sound was reported to influence the perception of food texture in normal foods. We investigated whether the perceived sensations of nursing care foods could be altered by providing altered auditory feedback of chewing sounds, even if the actual food texture is dull...
October 5, 2016: Physiology & Behavior
Shinri Tomioka, Tomohiko Kondoh, Waka Sato-Okoshi, Katsutoshi Ito, Keiichi Kakui, Hiroshi Kajihara
Capitella teleta Blake et al., 2009 is an opportunistic capitellid originally described from Massachusetts (USA), but also reported from the Mediterranean, NW Atlantic, and North Pacific, including Japan. This putatively wide distribution had not been tested with DNA sequence data; intraspecific variation in morphological characters diagnostic for the species had not been assessed with specimens from non-type localities, and the species status of the Japanese population(s) was uncertain. We examined the morphology and mitochondrial COI (cytochrome c oxidase subunit I) gene sequences of Capitella specimens from two localities (Ainan and Gamo) in Japan...
October 2016: Zoological Science
Yasuhiro Yamauchi, Hideo Yasunaga, Yukiyo Sakamoto, Wakae Hasegawa, Hideyuki Takeshima, Hirokazu Urushiyama, Taisuke Jo, Hiroki Matsui, Kiyohide Fushimi, Takahide Nagase
BACKGROUND AND OBJECTIVE: COPD is well known to frequently coexist with osteoporosis. Bone fractures often occur and may affect mortality in COPD patients. However, in-hospital mortality related to bone fractures in COPD patients has been poorly studied. This retrospective study investigated in-hospital mortality of COPD patients with bone fractures using a national inpatient database in Japan. METHODS: Data of COPD patients admitted with bone fractures, including hip, vertebra, shoulder, and forearm fractures to 1,165 hospitals in Japan between July 2010 and March 2013, were extracted from the Diagnosis Procedure Combination database...
2016: International Journal of Chronic Obstructive Pulmonary Disease
S Kondo, K Wakae, N Wakisaka, Y Nakanishi, K Ishikawa, T Komori, M Moriyama-Kita, K Endo, S Murono, Z Wang, K Kitamura, T Nishiyama, K Yamaguchi, S Shigenobu, M Muramatsu, T Yoshizaki
The prevalence of human papillomavirus (HPV)-related oropharyngeal cancers has been increasing in developed countries. We recently demonstrated that members of the apolipoprotein B mRNA-editing catalytic polypeptide 3 (APOBEC3, A3) family, which are antiviral factors, can induce hypermutation of HPV DNA in vitro. In the present study, we found numerous C-to-T and G-to-A hypermutations in the HPV16 genome in oropharyngeal cancer (OPC) biopsy samples using differential DNA denaturation PCR and next-generation sequencing...
October 3, 2016: Oncogene
Shun Onishi, Tatsuru Kaji, Waka Yamada, Kazuhiko Nakame, Tomoe Moriguchi, Koushirou Sugita, Koji Yamada, Takafumi Kawano, Motoi Mukai, Masakazu Souda, Sohsuke Yamada, Takako Yoshioka, Akihide Tanimoto, Satoshi Ieiri
PURPOSE: Long-term parenteral nutrition following massive bowel resection causes liver dysfunction, such as intestinal failure-associated liver disease (IFALD). IFALD includes two different states, cholestasis and steatosis, which represents a life-threatening complication. The previous reports have shown the protective role of ghrelin in the liver. The aim of this study was to evaluate the effects of the administration of ghrelin in the liver in a parenterally fed rat model of short bowel syndrome (SBS)...
September 20, 2016: Pediatric Surgery International
Kengo Yoshida, Munechika Misumi, Yoshiko Kubo, Mika Yamaoka, Seishi Kyoizumi, Waka Ohishi, Tomonori Hayashi, Yoichiro Kusunoki
In a series of studies of atomic bomb survivors, radiation-dose-dependent alterations in peripheral T-cell populations have been reported. For example, reduced size in naïve T-cell pools and impaired proliferation ability of T cells were observed. Because these alterations are also generally observed with human aging, we hypothesized that radiation exposure may accelerate the aging process of the T-cell immune system. To further test this hypothesis, we conducted cross-sectional analyses of telomere length, a hallmark of cellular aging, of naïve and memory CD4 T cells and total CD8 T cells in the peripheral blood of 620 atomic bomb survivors as it relates to age and radiation dose, using fluorescence in situ hybridization with flow cytometry...
September 14, 2016: Radiation Research
Partha Bairi, Kosuke Minami, Jonathan P Hill, Waka Nakanishi, Lok Kumar Shrestha, Chao Liu, Koji Harano, Eiichi Nakamura, Katsuhiko Ariga
Supramolecular assembly can be used to construct a wide variety of ordered structures by exploiting the cumulative effects of multiple noncovalent interactions. However, the construction of anisotropic nanostructures remains subject to some limitations. Here, we demonstrate the preparation of anisotropic fullerene-based nanostructures by supramolecular differentiation, which is the programmed control of multiple assembly strategies. We have carefully combined interfacial assembly and local phase separation phenomena...
September 27, 2016: ACS Nano
Kengo Yoshida, Eiji Nakashima, Seishi Kyoizumi, Masayuki Hakoda, Tomonori Hayashi, Ayumi Hida, Waka Ohishi, Yoichiro Kusunoki
Immune system impairments reflected by the composition and function of circulating lymphocytes are still observed in atomic bomb survivors, and metabolic abnormalities including altered blood triglyceride and cholesterol levels have also been detected in such survivors. Based on closely related features of immune and metabolic profiles of individuals, we investigated the hypothesis that long-term effects of radiation exposure on lymphocyte subsets might be modified by metabolic profiles in 3,113 atomic bomb survivors who participated in health examinations at the Radiation Effect Research Foundation, Hiroshima and Nagasaki, in 2000-2002...
September 2016: Radiation Research
Yasuhiro Maeda, Shunya Nakane, Osamu Higuchi, Hideki Nakamura, Atsumasa Komori, Kiyoshi Migita, Akihiro Mukaino, Masataka Umeda, Kunihiro Ichinose, Mami Tamai, Shin-Ya Kawashiri, Waka Sakai, Hiroshi Yatsuhashi, Atsushi Kawakami, Hidenori Matsuo
OBJECTIVES: Autonomic dysfunction is closely associated with autoimmune diseases (AID) including primary biliary cirrhosis (PBC). The objective of this study was to determine the prevalence of anti-ganglionic (nicotinic) acetylcholine receptor (gAChR) antibodies in patients with AID. METHODS: We determined the presence of gAChR antibodies in serum samples from 146 patients (systemic lupus erythematosus [SLE] = 32; rheumatoid arthritis [RA] = 43; systemic sclerosis [SSc] = 38; PBC= 33) without information regarding autonomic symptoms, as well as 34 patients with other neurological diseases [OND] and 73 healthy controls [HC]...
August 19, 2016: Modern Rheumatology
Wakae Murata, Satoko Kinpara, Nozomi Kitahara, Yoshihiro Yamaguchi, Akira Ogita, Toshio Tanaka, Ken-Ichi Fujita
Isoamyl alcohol (IAA) induces pseudohyphae including cell elongation in the budding yeast Saccharomyces cerevisiae. Detailed regulation of microtubules and actin in developmental transition during cell elongation is poorly understood. Here, we show that although IAA did not affect the intracellular actin level, it reduced the levels of both α- and β-tubulins. In budding yeast, cytoplasmic microtubules are linked to actin via complexes consisting of at least Kar9, Bim1, and Myo2, and reach from the spindle pole body to the cortical attachment site at the bud tip...
2016: Scientific Reports
Osamu Higuchi, Shunya Nakane, Waka Sakai, Yasuhiro Maeda, Masaaki Niino, Toshiyuki Takahashi, Toshiyuki Fukazawa, Seiji Kikuchi, Kazuo Fujihara, Hidenori Matsuo
OBJECTIVES: To examine anti-KIR4.1 antibodies by 2 different assays in Japanese patients with multiple sclerosis (MS) or neuromyelitis optica (NMO). METHODS: One hundred sixty serum samples from 57 patients with MS, 40 patients with NMO/NMO spectrum disorder (NMOSD), and 50 healthy controls (all were Japanese) were tested with ELISA using a synthetic peptide of the first extracellular portion of human KIR4.1. In addition, we attempted to detect anti-KIR4.1 immunoglobulin G in the serum by the luciferase immunoprecipitation systems (LIPS) with the full length of human KIR4...
October 2016: Neurology® Neuroimmunology & Neuroinflammation
Masaya Suzuhigashi, Tatsuru Kaji, Kazuhiko Nakame, Motoi Mukai, Waka Yamada, Shun Onishi, Koji Yamada, Takafumi Kawano, Hideo Takamatsu, Satoshi Ieiri
PURPOSE: Treatment for a large abdominal wall defect remains challenging. The aim of this study was to optimize tissue engineering therapy of muscle constructs using a rat model. METHODS: Experimental abdominal wall defects were created in Wister rats. The animal model was divided into three groups: collagen sponge (CS), hybrid scaffold (HS) and hybrid scaffold containing bone marrow liquid (HSBM). Hybrid scaffolds comprised collagen sponge and poly L-lactide (PLLA) sheets...
October 2016: Pediatric Surgery International
Takafumi Kawano, Tatsuru Kaji, Shun Onishi, Koji Yamada, Waka Yamada, Kazuhiko Nakame, Motoi Mukai, Satoshi Ieiri
PURPOSE: Children with intestinal failure (IF) requiring central venous catheters (CVCs) often experience frequent catheter-related bloodstream infections (CRBSIs), which is a serious and life-threatening complication. To reduce the incidence of CRBSI, prophylactic ethanol lock therapy (ELT) was initiated. METHODS: Patients with IF received home parenteral nutrition via a silicone tunneled CVC. All of them had received therapeutic ELT from January 2009 (first period) and prophylactic ELT from December 2012 (second period)...
September 2016: Pediatric Surgery International
Akira Toriba, Chiharu Homma, Masahiro Kita, Waka Uozaki, Yaowatat Boongla, Walaiporn Orakij, Ning Tang, Takayuki Kameda, Kazuichi Hayakawa
We developed a sensitive and selective method to simultaneously analyze 37 polycyclic aromatic hydrocarbon quinones (PAHQs) with GC-MS/MS and applied the method to the analysis of standard atmospheric particulate matter samples. PAHQs were reduced with zinc granules and dithiothreitol (DTT) and the reductants were immediately converted to their silylated derivatives in a test tube. Two trimethylsilyl (TMS) groups were introduced into PAHQs through the one-pot reductive TMS derivatization. The PAHQs were derivatized with a mixed silylation reagent (BSA+TMCS+TMSI; (3:2:3)), which is one of the combinations of TMS-derivatization reagents with the highest reactivity...
August 12, 2016: Journal of Chromatography. A
Yasuhiro Yamauchi, Hideo Yasunaga, Wakae Hasegawa, Yukiyo Sakamoto, Hideyuki Takeshima, Taisuke Jo, Hiroki Matsui, Kiyohide Fushimi, Takahide Nagase
BACKGROUND AND OBJECTIVES: Inhaled corticosteroids (ICS) and long-acting inhaled bronchodilators (IBD) are beneficial for the management of COPD. Although ICS has been reported to increase the risk of pneumonia in patients with COPD, it remains controversial whether it influences mortality. Using a Japanese national database, we examined the association between preadmission ICS therapy and in-hospital mortality from pneumonia in patients with COPD. METHODS: We retrospectively collected data from 1,165 hospitals in Japan on patients with COPD who received outpatient inhalation therapy and were admitted with pneumonia...
2016: International Journal of Chronic Obstructive Pulmonary Disease
Partha Bairi, Kosuke Minami, Waka Nakanishi, Jonathan P Hill, Katsuhiko Ariga, Lok Kumar Shrestha
We report the preparation of hierarchically structured fullerene C70 cubes (HFC) composed of mesoporous C70 nanorods with crystalline pore walls. Highly crystalline cubic shape C70 crystals (FC) were grown at a liquid-liquid interface formed between tert-butyl alcohol and C70 solution in mesitylene. HFCs were then prepared by washing with isopropanol of the FC at 25 °C. The growth directions and diameters of C70 nanorods could be controlled by varying washing conditions. HFCs perform as an excellent sensing system for vapor-phase aromatic solvents due to their easy diffusion through the mesoporous architecture and strong π-π interactions with the sp(2) carbon-rich pore walls...
July 26, 2016: ACS Nano
Waka Kojima, Yuki Kujuro, Kei Okatsu, Queliconi Bruno, Fumika Koyano, Mayumi Kimura, Koji Yamano, Keiji Tanaka, Noriyuki Matsuda
DJ-1 has been identified as a gene responsible for recessive familial Parkinson's disease (familial Parkinsonism), which is caused by a mutation in the PARK7 locus. Consistent with the inferred correlation between Parkinson's disease and mitochondrial impairment, mitochondrial localization of DJ-1 and its implied role in mitochondrial quality control have been reported. However, the mechanism by which DJ-1 affects mitochondrial function remains poorly defined, and the mitochondrial localization of DJ-1 is still controversial...
July 2016: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
Shoko Kanaya, Kenji Kariya, Waka Fujisaki
Certain systematic relationships are often assumed between information conveyed from multiple sensory modalities; for instance, a small figure and a high pitch may be perceived as more harmonious. This phenomenon, termed cross-modal correspondence, may result from correlations between multi-sensory signals learned in daily experience of the natural environment. If so, we would observe cross-modal correspondences not only in the perception of artificial stimuli but also in perception of natural objects. To test this hypothesis, we reanalyzed data collected previously in our laboratory examining perceptions of the material properties of wood using vision, audition, and touch...
October 2016: Perception
Shunya Nakane, Osamu Higuchi, Yukihiro Hamada, Yasuhiro Maeda, Akihiro Mukaino, Waka Sakai, Susumu Kusunoki, Hidenori Matsuo
OBJECTIVES: Although standardized autonomic tests are useful for diagnosing autonomic failure in patients with Guillain-Barré syndrome (GBS), they cannot be used as predictive markers. Thus, serological markers may correctly identify patients with GBS who are at risk for autonomic dysfunction. METHODS: We validated a luciferase immunoprecipitation system that detects IgG antibodies in patient serum that specifically bind to the α3 or β4 subunits of ganglionic neuronal nicotinic acetylcholine receptors (gAChR)...
June 15, 2016: Journal of Neuroimmunology
Eiki Kimura, Toshihiro Endo, Wataru Yoshioka, Yunjie Ding, Waka Ujita, Masaki Kakeyama, Chiharu Tohyama
In the developing mammalian brain, neural network formation is regulated by complex signaling cascades. In utero and lactational dioxin exposure is known to induce higher brain function abnormalities and dendritic growth disruption in rodents. However, it is unclear whether perinatal dioxin exposure affects the expression of genes involved in neural network formation. Therefore, we investigated changes in gene expression in the brain regions of developing mice born to dams administered 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; dose: 0, 0...
May 10, 2016: Biochemical and Biophysical Research Communications
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