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Plasma brain natriuretic peptide level in older outpatients with heart failure is associated with physical frailty, especially with the slowness domain

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Journal of Geriatric Cardiology 2016年第7期13卷 608-614页

作者： Shu nishiguchi Yuma Nozaki Masayuki Yamaji Kanako Oya Yuki Hikita Tomoki Aoyama Hiroshi Mabuchi Department of Physical Therapy School of Health Sciences Tokyo University of Technology Tokyo Japan Department of Physical Therapy Human Health Sciences Graduate School of Medicine Kyoto University Kyoto Japan Department of Cardiovascular Medicine Koto Memorial Hospital Shiga Japan Department of Rehabilitation Unit Koto Memorial Hospital Shiga Japan

Objective To determine the association between plasma brain natriuretic peptide （BNP） level in patients with heart failure （HF） and physical frailty as well as with each domain of physical frailty. Methods Two hundred and six outpatients of cardiovascular medicine aged 60 years and older who had been hospitalized for HF or had been given a prescription medication for HF were included. Physical frailty was assessed using the following five domains： slowness, weakness, exhaustion, low activity, and shrinking, according to the Cardiovascular Health Study. Patients were divided into nonfi-ailty and frailty groups according to frailty scores. Plasma BNP level was measured. The 6-min walk test was performed to measure endurance. Results Plasma BNP was significantly different between the two groups （frailty group： 158.0 i 214.7 pg/mL, nonfrailty group： 65.2 ~ 88.0 pg/mL, P 〈 0.01）. Multivariate logistic regression analysis revealed log-transformed plasma BNP （Log BNP） was significantly associated with physical frailty （OR： 1.68, 95% CI： 1.11-2.56）, and Log BNP was significantly associated with the slowness domain （walking speed 〈 1.0 m/s） of physical frailty （OR： 1.75, 95% Ch 1.15-2.67）. Additionally, Log BNP was negatively correlated to the 6-minute walk distance （6MWD）（p=0.37, P 〈 0.01）, while 6MWD was positively correlated to walking speed （p = 0.66, P 〈 0.01）. Conclusions Plasma BNP level was related to physical frailty, especially in the slowness domain. Endurance may intervene in the associations between plasma BNP level and walking speed.

关键词： Brain natriuretic peptide Heart failure Physical frailty Walking speed

Serial changes in expression of functionally clustered genes in progression of liver fibrosis in hepatitis C patients

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World Journal of Gastroenterology 2008年第13期14卷 2010-2022页

作者： Yoshiyuki Takahara Mitsuo Takahashi Qing-Wei Zhang Hirotaka Wagatsuma Maiko Mori Akihiro Tamori Susumu Shiomi Shuhei nishiguchi Exploratory & Applied Pharmaceutical Research Department Pharmaceutical Company Ajinomoto Co. Inc. 1-1 Suzuki-cho Kawasaki-ku Kawasaki 210-8681 Japan Department of Nuclear Medicine Graduate School of Medicine Osaka City University Osaka Japan Division of Hepatobiliary and Pancreatic Diseases Department of Internal Medicine Hyogo College of Medicine Nishinomiya Japan

AIM: To investigate the relationship of changes in expression of marker genes in functional categories or molecular networks comprising one functional category or multiple categories in progression of hepatic fibrosis in hepatitis C (HCV) patients. METHODS: Marker genes were initially identified using DNA microarray data from a rat liver fibrosis model. The expression level of each fibrosis associated marker gene was analyzed using reverse transcription-polymerase chain reaction (RT-PCR) in clinical biopsy specimens from HCV-positive patients (n = 61). Analysis of changes in expression patterns and interactions of marker genes in functional categories was used to assess the biological mechanism of fibrosis. RESULTS: The profile data showed several biological changes associated with progression of hepatic fibrosis. Clustered genes in functional categories showed sequential changes in expression. Several sets of clustered genes, including those related to the extracellular matrix (ECM), inflammation, lipid metabolism, steroid metabolism, and some transcription factors important for hepatic biology showed expression changes in the immediate early phase (F1/F2) of fibrosis. Genes associated with aromatic amino acid (AA) metabolism, sulfur-containing AA metabolism and insulin/ Wnt signaling showed expression changes in the middle phase (F2/F3), and some genes related to glucose metabolism showed altered expression in the late phase of fibrosis (F3/F4). Therefore, molecular networks showing serial changes in gene expression are present in liver fibrosis progression in hepatitis C patients. CONCLUSION: Analysis of gene expression profiles from a perspective of functional categories or molecular networks provides an understanding of disease and suggests new diagnostic methods. Selected marker genes have potential utility for biological identification of advanced fibrosis.

关键词： Hepatitis C Liver fibrosis Marker gene Gene expression RT-PCR Molecular network Metabolism Transcription factor Diagnosis

Proton pump inhibitor induced collagen expression in colonocytes is associated with collagenous colitis

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World Journal of Gastroenterology 2017年第9期23卷 1586-1593页

作者： Shiori Mori Yui Kadochi Yi Luo Rina Fujiwara-Tani Yukiko nishiguchi Shingo Kishi Kiyomu Fujii Hitoshi Ohmori Hiroki Kuniyasu Department of Molecular Pathology Nara Medical UniversityShijo-choKashihara 634-8521Japan

To elucidate the role of proton pump inhibitors (PPIs) in collagenous disease, direct effect of PPI on colonocytes was *** colitis is a common cause of non-bloody, watery diarrhea. Recently, there has been increasing focus on the use of proton PPIs as a risk factor for developing collagenous colitis. Mouse CT26 colonic cells were treated with PPI and/or PPI-induced alkaline media. Expression of fibrosis-associated genes was examined by RT-PCR. In human materials, collagen expression was examined by ***26 cells expressed a Na+-H+ exchanger gene (solute carrier family 9, member A2). Treatment with PPI and/or PPI-induced alkaline media caused growth inhibition and oxidative stress in CT26 cells. The treatment increased expression of fibrosis inducing factors, transforming growth factor β and fibroblast growth factor 2. The treatment also decreased expression of a negative regulator of collagen production, replication factor C1, resulting in increased expression of collagen types III and IV in association with lipid peroxide. In biopsy specimens from patients with collagenous colitis, type III and IV collagen were increased. Increase of type III collagen was more pronounced in PPI-associated collagenous colitis than in non-PPI-associated *** these findings, the reaction of colonocytes to PPI might participate in pathogenesis of collagenous colitis.

关键词： Proton pump inhibitor Collagenous colitis pH Fibrosis Oxidative stress

Bioradicals and ESR Spectroscopy

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Bioradicals and ESR Spectroscopy

Natural history of major complications in hepatitis C virus-related cirrhosis evaluated by per-rectal portal scintigraphy

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作者： Hiroaki OHYA-nishiguchi Institute for Life Support Technology of Yamagata Technopolis Foundation Numagi

＜正＞"Bioradical"is a newly coined word which refers to paramagnetic species in biological systems,such as active oxygen radicals and transition metal *** on their structures and functions is attracting growing atten...

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World Journal of Gastroenterology 2005年第25期11卷 3882-3886页

作者： Etsushi Kawamura Daiki Habu Takehiro Hayashi Ai Oe Jin Kotani Hirotaka Ishizu Kenji Torii Joji Kawabe Wakaba Fukushima Takashi Tanaka Shuhei nishiguchi Susumu Shiomi Department of Nuclear Medicine Department of Hepatology Department of Public Health

AIM: To examine the correlation between the porto-systemic hypertension evaluated by portal shunt index (PSI) and life-threatening complications, including hepatocellular carcinoma (HCC), liver failure (Child-Pugh stage progression), and esophagogastric varices. METHODS: Two hundred and twelve consecutive subjects with HCV-related cirrhosis (LC-C) underwent per-rectal portal scintigraphy. They were allocated into three groups according to their PSI: group Ⅰ, PSI≤10%; group Ⅱ, 10%

关键词： Portal shunt index Porto-systemic shunting Per-rectal portal sdntigraphy Natural history Liver cirrhosis HCV Hepatocellular carcinoma Liver failure Varix

Liver fibrosis markers of nonalcoholic steatohepatitis

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World Journal of Gastroenterology 2015年第24期21卷 7427-7435页

作者： Hirayuki Enomoto Yukihiro Bando Hideji Nakamura Shuhei nishiguchi Masafumi Koga Division of Hepatobiliary and Pancreatic Disease Department of Internal Medicine Hyogo College of Medicine Department of Internal Medicine Fukui-ken Saiseikai Hospital Department of Gastroenterology and Hepatology Nissay Hospital Department of Internal Medicine Kawanishi City Hospital

Nonalcoholic fatty liver disease(NAFLD) is one of themajor causes of chronic liver injury. NAFLD includes a wide range of clinical conditions from simple steatosis to nonalcoholic steatohepatitis(NASH), advanced fibrosis, and liver cirrhosis. The histological findings of NASH indicate hepatic steatosis and inflammation with characteristic hepatocyte injury(e.g., ballooning degeneration), as is observed in the patients with alcoholic liver disease. NASH is considered to be a potentially health-threatening disease that can progress to cirrhosis. A liver biopsy remains the most reliable diagnostic method to appropriately diagnose NASH, evaluate the severity of liver fibrosis, and determine the prognosis and optimal treatment. However, this invasive technique is associated with several limitations in routine use, and a number of biomarkers have been developed in order to predict the degree of liver fibrosis. In the present article, we review the current status of noninvasive biomarkers available to estimate liver fibrosis in the patients with NASH. We also discuss our recent findings on the use of the glycated albuminto-glycated hemoglobin ratio, which is a new index that correlates to various chronic liver diseases, including NASH.

关键词： Nonalcoholic fatty liver disease Nonalcoholicsteatohepatitis Liver fibrosis Glycated albumin Glycatedhemoglobin