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Shu Xu X Department of Gastroenterology, The First Affiliated Hospital, Nanchang University, Nanchang, 330006, Jiangxi, China, - - 2014
Although Helicobacter pylori is widely accepted as a causative factor of many gastric diseases, the signaling pathways affected by H. pylori and subsequent effects on cell apoptosis and proliferation remain unclear. Here, we investigated the molecular mechanisms mediating H. pylori infection in gastric epithelial cells. Tissues from 160 patients with ...
Yu Yan Y Experimental center of Traditional Chinese Medicine, the Affiliated Hospital, Liaoning University of Traditional Chinese Medicine, Shenyang, 110847, China; School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, - - 2014
The rhizome of Atractylodes lancea (AL, Compositae, Chinese name: Cangzhu; Japanese name: Sou-ju-tsu) has been used traditionally for the treatment of various diseases such as digestive disorders, rheumatic diseases, and influenza in China, Korea and Japan et al. The crude AL and AL bran-processed are both listed in the Chinese ...
Harki Jihan J Department of Gastroenterology and Hepatology, Erasmus MC University Medical Centre Rotterdam, P.O. Box 2040, 3015 CE, Rotterdam, The Netherlands, - - 2014
Chronic gastrointestinal ischemia (CGI) is the result of decreased mucosal perfusion. Typical histological characteristics are lacking which hamper its early diagnosis. Hypoxia-inducible factor-1α (HIF-1α) is expressed under acute hypoxia. We investigated HIF-1α expression in chronic ischemic and inflammatory conditions of the human gastrointestinal (GI) tract. Immunohistochemical expression of HIF-1α was ...
He Ping P Department of Pediatrics, Medical College of Nanjing University, Nanjing, Jiangsu 210093, P.R. - - 2014
Curcumin is known to possess anti‑inflammatory properties. Despite the fact that curcumin is known to be a strong inhibitor of H+, K+‑ATPase activity, the mechanism underlying the curcumin‑induced inhibition of the transcription of the H+, K+‑ATPase α subunit in gastric mucosal parietal cells remains unclear. The present study investigated the possible ...
Bjerrum Jacob T JT *Department of Cellular and Molecular Medicine, the Panum Institute, University of Copenhagen, Copenhagen, Denmark; †Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark; ‡Department of Pathology, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark; §Institute of Social and Preventive Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland; ‖Institute of Pathology, Division of Immunopathology, University of Bern, Bern, Switzerland; and ¶Division of Gastroenterology and Hepatology, University Hospital Zürich, Zürich, - - 2014
It is unknown why patients with extensive ulcerative colitis (UC) have a higher risk of colorectal cancer compared with patients with left-sided UC. This study characterizes the inflammatory processes in left-sided UC, pancolitis, and UC-associated dysplasia at the transcriptional level to identify potential biomarkers and transcripts of importance for the ...
Matsui Mary S MS Basic Science Research, R&D The Estee Lauder Companies, Melville, - - 2014
Omeprazole is a proton pump inhibitor (PPI) used in the treatment of peptic ulcer disease and gastrosophageal reflux disease and acts by irreversibly blocking ATP4A, a P-type H+/K+ ATPase in gastric parietal cells. We found omeprazole, and its closely related congeners inhibited melanogenesis at micromolar concentrations in B16 mouse melanoma ...
Zhou Xiaoying X Department of Gastroenterology, First Affiliated Hospital of Nanjing Medical University, Nanjing, China. First Clinical Medical College of Nanjing Medical University, Nanjing, - - 2014
Several microRNAs (miRNA) have been implicated in H. pylori related gastric cancer (GC). However, the molecular mechanism of miRNAs in GC has not been fully understood. In this study, we reported that miR-203 is significantly down-regulated in H. pylori positive tissues and cells and in tumor tissues with important functional ...
Yoon Jung Hwan JH Departments of Pathology, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul 137-701, South - - 2014
The present study aims to investigate whether gastrokine 1 (GKN1) induces senescence and apoptosis in gastric cancer cells by regulating telomere length and telomerase activity. Telomere length, telomerase activity, and hTERT expression decreased significantly in AGSGKN1 and MKN1GKN1 cells. Both stable cell lines showed increased expression of TRF1 and reduced ...
Ye Feng F Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, - - 2014
Dysregulation of microRNAs (miRNAs) has been linked to virulence factors of Helicobacter pylori (H. pylori) and shown to contribute to the progression of gastric cancer. However, the mechanisms of these processes remain poorly understood. The aim of this study was to investigate the mechanisms by which lipopolysaccharide (LPS), a virulence ...
Kang Wei - - 2014
BackgroundAberrant AKT activation contributes to gastric cancer cell survival and chemotherapy resistance, however its regulation is poorly understood. microRNAs have been established to be important regulators in gastric carcinogenesis. Here, we showed the functional role and putative target of let-7b and let-7 g (let-7b/g) in gastric carcinogenesis.MethodsThe expression of let-7b/g in ...
Yeruva Sunil S Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, - - 2014
A dysfunction of the Na(+)/H(+) exchanger isoform 3 (NHE3) significantly contributes to the reduced salt absorptive capacity of the inflamed intestine. We previously reported a strong decrease in the NHERF family member PDZK1 (NHERF3), which binds to NHE3 and regulates its function in a mouse model of colitis. The present ...
Tan Yan Y Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China, - - 2014
Toll-like receptors (TLRs) family may play important roles in inflammatory bowel disease. This study examined the expression of TLR2, TLR4 and TLR9 in the colonic tissues of patients with ulcerative colitis (UC) and explored their roles in the pathogenesis of UC. Colonic biopsies were taken from the colon of 30 ...
Okazaki Takashi T Third Department of Internal Medicine, Kansai Medical University, Moriguchi, - - 2014
Background/Aims: Endoplasmic reticulum (ER) stress in the intestine is closely associated with the development of inflammatory bowel disease (IBD). However, the role of the protein kinase RNA-like ER kinase in this disease is not fully known. We studied whether an inhibitor of the dephosphorylation of eukaryotic initiation factor 2α, salubrinal, ...
Li Hui H School of Medicine, University of Adelaide, - - 2014
Neuropeptide W (NPW) is secreted from gastrin (G) cells in the stomach in response to food intake. The mechanisms underlying food intake-induced regulation of gastric NPW is largely unknown. We hypothesized that specific macronutrients were responsible for food-induced NPW secretion. We evaluated the acute effects of fat, carbohydrate and protein ...
Günaltay Sezin S Sezin Günaltay, Ashok Kumar Kumawat, Elisabeth Hultgren Hörnquist, Department of Biomedicine, School of Health and Medical Sciences, Örebro University, SE-701 82 Örebro, - - 2014
To investigate Toll-like receptor (TLR) signaling regulators in microscopic and ulcerative colitis patients. Total RNA and microRNA were isolated from fresh frozen colonic biopsies of non-inflamed controls and patients with active or in-remission collagenous colitis (CC), lymphocytic colitis (LC), or ulcerative colitis (UC). We compared expressions of interleukin-1 receptor-associated kinase ...
Wu Feng F Section of Gastroenterology, Department of Medicine, University of Chicago, Chicago, - - 2014
MicroRNAs (miRNAs) acting as negative regulators of gene expression are differentially expressed in intestinal tissues of patients with inflammatory bowel disease (IBD). Assessing the functions of miRNAs in murine colitis facilitates elucidating the role of specific miRNAs in human IBD. We aimed to determine the miRNA signature of several models ...
Cao Xueyuan - - 2014
Recent studies have focused on the diagnostic and prognostic significance of CD24 and CD44 expression in human cancers. This study aimed to explore changes in CD44 and CD24 expression levels in patients with gastric cancer and to assess their prognostic values. CD44 and CD24 expression levels were investigated immunohistochemically in ...
Wang Yu Y Yu Wang, Can-Xia Xu, Jing Xiao, Li Zhou, Dan Cao, Xiao-Min Liu, Department of Gastroenterology, Third Xiangya Hospital, Central South University, Changsha 410013, Hunan Province, - - 2014
To explore the mechanism of abnormal Connexin (Cx) 32 and Cx43 expression in the gastric mucosa after Helicobacter pylori (H. pylori) infection. Biopsy specimens of gastric mucosa in different gastric carcinogenesis stages with H. pylori infection, that is, non-atrophic gastritis (NAG; n = 24), chronic atrophic gastritis (CAG; n = ...
Camilo Vânia V Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, - - 2014
Intestinal metaplasia (IM), which results from de novo expression of CDX2, and dysplasia are precursor lesions of gastric cancer associated with increased risk for cancer development. Multiple evidence suggest a role for SOX2 transcription factor in gastric differentiation. In an attempt to establish SOX2 relationship with CDX2 and with the ...
Peng Yen-Chun YC Division of Gastroenterology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan, ROC; Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan, ROC; School of Medicine, National Yang-Ming University, Taipei, Taiwan, - - 2014
Omeprazole (OMP), a proton pump inhibitor, is a highly effective drug for the management of acid-related disorders. Infections resulting from cytotoxin antigen A (CagA) positive Helicobacter pylori strains have been associated with higher grades of gastric mucosal inflammation. Nuclear factor (NF)-κB activation has been reported to participate in H. pylori-induced ...
Taghizadeh Shirin S Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, - - 2014
Vascular endothelial growth factor (VEGF) is one of the most important growth factors for metastatic tumors. To clarify the role of VEGF-A and C in patients with peptic ulcer disease (PUD) or gastric cancer (GC), we evaluated the expression levels of these two molecules. We also analyzed the effect of ...
Karlova Rumyana R Molecular Plant Physiology, Utrecht University, 3584 CH Utrecht, The Netherlands Laboratory of Molecular Biology, Wageningen University, 6700 ET Wageningen, The - - 2014
Fleshy fruits have evolved to be attractive to frugivores in order to enhance seed dispersal, and have become an indispensable part of the human diet. Here we review the recent advances in the understanding of transcriptional regulation of fleshy fruit development and ripening with a focus on tomato. While aspects ...
Yang Chia-Ron CR School of Pharmacy, College of Medicine, National Taiwan University, No. 33, Linsen S. Road, Taipei, - - 2014
Interleukin-1β (IL-1β) upregulates intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) expressions in osteoarthritis fibroblast-like synoviocytes (OA-FLS) via nuclear factor (NF)-κB-mediated mechanism; enhancement of leukocyte infiltration and upregulation of proinflammatory mediators play a crucial role in OA pathophysiology. MicroRNA (miR)-146a suppresses inflammatory responses by inhibiting NF-κB activity and ...
Lee Sang Myung SM Korea Ginseng Corp. Central Research Institute, Daejon, 305-805, Republic of - - 2014
In the course of this experiment on the anti-inflammatory effect of ginsenosides, protopanaxdiol ginsenosides have shown inhibition activities in inflammatory responses: NF-κB, COX-2, and iNOS were induced by TNF-α. The responses of this experiment were evaluated by NF-κB-luciferase assay and RT-PCR experiment of COX-2 and iNOS genes. The NF-κB expressions ...
Xie Jun J College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou, 310032, People's Republic of - - 2014
This study investigated the effects of glufosinate, a widely used herbicide, on the marine diatom Phaeodactylum tricornutum through short-term toxicity tests at the physiological and gene transcriptional levels. Glufosinate (4 mg L(-1)) decreased the amount of pigments but increased reactive oxygen species (ROS) and malondialdehyde levels. As a glutamine synthetase (GS) inhibitor, ...
Luo Qian Q Key Laboratory of Urban Agriculture (South) Ministry of Agriculture and School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, - - 2014
In Arabidopsis thaliana, the cryptochrome and phytochrome photoreceptors act together to promote photomorphogenic development. The cryptochrome and phytochrome signaling mechanisms interact directly with CONSTITUTIVELY PHOTOMORPHOGENIC1 (COP1), a RING motif-containing E3 ligase that acts to negatively regulate photomorphogenesis. COP1 interacts with and ubiquitinates the transcription factors that promote photomorphogenesis, such as ...
Kim Beom Jin BJ Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul; Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, - - 2014
The cytosolic host protein nucleotide binding oligomerization domain 1 (Nod1) has emerged as a key pathogen recognition molecule for innate immune responses in epithelial cells. The purpose of the study was to elucidate the mechanism by which Helicobacter pylori infection leads to transepithelial neutrophil migration in a Nod1-mediated manner. Human ...
Gao Meng-Yu MY State Key Laboratory of Natural Medicines, Department of Complex Prescription of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing, - - 2014
Considering the key role of TF in coagulation of sepsis or acute lung injury (ALI), we investigated whether berberine (BBR) could inhibit TF expression and procoagulant activity and explored its possible mechanism. The effects of berberine on the expression, procoagulant activity of TF and related signal pathways induced by lipopolysaccharide ...
Lim Kyungtaek K Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Shirokanedai, Minato-ku, Tokyo 108-8639, - - 2014
Translation initiation depends on the recognition of mRNA by a ribosome. For this to occur, prokaryotes primarily use the Shine-Dalgarno (SD) interaction, where the 3' tail of small subunit rRNA (core motif: 3'CCUCC) forms base pairs with a complementary signal sequence in the 5' untranslated region of mRNA. Here we ...
Záhonová Kristína K Department of Biology and Ecology, Faculty of Science, University of Ostrava, Ostrava, Czech Republic; Department of Genetics, Faculty of Natural Sciences, Comenius University, Bratislava, - - 2014
Euglena gracilis possesses secondary plastids of green algal origin. In this study, E. gracilis expressed sequence tags (ESTs) derived from polyA-selected mRNA were searched and several ESTs corresponding to plastid genes were found. PCR experiments failed to detect SL sequence at the 5'-end of any of these transcripts, suggesting plastid ...
Rosnow Josh - - 2014
In the model single-cell C4 plant Bienertia sinuspersici, chloroplast- and nuclear-encoded photosynthetic enzymes, characteristically confined to either bundle sheath or mesophyll cells in Kranz-type C4 leaves, all occur together within individual leaf chlorenchyma cells. Intracellular separation of dimorphic chloroplasts and key enzymes within central and peripheral compartments allow for C4 ...
Wu Shijin S College of Biological and Environmental Engineering, Zhejiang University of Technology , Hangzhou, People's Republic of China - - 2014
The aim of this study was to evaluate the acute toxicity effects of dichloromethane and dichloroethane on Chlorella vulgaris at the physiological and molecular level. Data showed that the cell number, chlorophyll a, and total protein content gradually decreased with increasing dichloromethane and dichloroethane concentrations over a 96-h exposure. Lower ...
Tangphatsornruang Sithichoke S National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani, - - 2014
The amounts of specific transcripts that accumulate in chloroplasts are determined by the rates of synthesis and degradation of the transcripts. The 3' untranslated region of transcripts is a major determinant of the stability of transcripts in chloroplasts. The half-lives of specific transcripts can be determined by northern blot analysis ...
Barrera Daniel D California Center for Algae Biotechnology, La Jolla, CA, - - 2014
Chlamydomonas reinhardtii has many advantages as a photosynthetic model organism. One of these is facile, targeted chloroplast transformation by particle bombardment. Functional recombinant proteins can be expressed to significant levels in this system, potentially outperforming higher plants in speed of scaling, cost, and space requirements. Several strategies and regulatory regions ...
Hoon Lee Chang C Division of Rheumatology, Department of Internal Medicine, School of Medicine, Wonkwang University, - - 2014
People over the age of 50 are at risk of osteoporotic fracture, which may lead to increased morbidity and mortality. Osteoclasts are responsible for bone resorption in bone-related disorders. Genipin is a well-known geniposide aglycon derived from Gardenia jasminoides, which has long been used in oriental medicine for controlling diverse ...
Yagi Yusuke Y Faculty of Agriculture, Kyushu University Fukuoka, - - 2014
Chloroplasts are semiautonomous organelles which possess their own genome and gene expression system. However, extant chloroplasts contain only limited coding information, and are dependent on a large number of nucleus-encoded proteins. During plant evolution, chloroplasts have lost most of the prokaryotic DNA-binding proteins and transcription regulators that were present in ...
Byun Eunyoung E Department of Food and Nutrition, Brain Korea 21 PLUS Project, College of Human Ecology, Yonsei University, Seoul 120-749, Republic of - - 2014
Hyperproliferation and oncogene expression are observed in the mucosa of Helicobacter pylori- (H. pylori-) infected patients with gastritis or adenocarcinoma. Expression of oncogenes such as β-catenin and c-myc is related to oxidative stress. α-Lipoic acid (α-LA), a naturally occurring thiol compound, acts as an antioxidant and has an anticancer effect. ...
Deng X X Department of Surgery, Shengjing Hospital Affiliated to China Medical University, Shenyang, Liaoning Province, China - - 2014
Carcinoembryonic antigen-related cellular adhesion molecule 6 (CEACAM6) is a member of the immunoglobulin superfamily and has been recently reported to affect the neoplastic, metastatic, and invasive ability of malignant cells by regulating intracellular signaling pathways during tumorigenesis and progression. We investigated the expression and amplification of CEACAM6 in relation to ...
Deng Na N Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang, China; Department of Oncology, The Fourth Affiliated Hospital of China Medical University, Liaoning, Shenyang, - - 2014
Xeroderma pigmentosum group G (XPG) plays a critical role in preventing cells from oxidative DNA damage. This study aimed to investigate XPG protein expression in different gastric tissues and in patients with diverse prognoses, thus providing insights into its role in the development, progression and prognosis of gastric cancer (GC). ...
Liu Changming C Department of clinical laboratory, Kunshan Hospital Affiliated to Nanjing University of Chinese Medicine, Kunshan, Jiangsu - - 2014
Interleukin (IL)-23 is one of the newly identified inflammatory cytokines, and inflammation is also known to be related to the development of gastric cancer (GC). The role of IL-23 in gastric cancer, however, is largely unknown. In the present study, we investigated the expression and possible role of IL-23A in ...
Zheng Shufang S Department of Pathology, Affiliated Hospital of Logistics College of The Chinese People's Armed Police Force 220 Chenglin Road, Hedong District, Tianjin 300162, People's Republic of - - 2014
The purpose of the study was to detect the expression of SNCG, MAP2, SDF-1 and CXCR4 in gastric adenocarcinoma, and to evaluate their roles in the carcinogenesis of gastric adenocarcinoma, development, invasion and metastasis as well as their clinical significance. The expression of SNCG, MAP2, SDF-1 and CXCR4 was detected ...
Wang Dandan D Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Modern Medicine and Technology of Shandong Province, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Key Laboratory for Virology of Shandong Province, Back and Neck Pain Hospital of Shandong Academy of Medical Sciences, Shandong Medicinal Biotechnology Centre, Shandong Academy of Medical Sciences, Jinan, People's Republic of - - 2014
PTPRD, encoding protein tyrosine phosphatases receptor type D, is located at chromosome 9p23-24.1, a loci frequently lost in many types of tumors. Recently, PTPRD has been proposed to function as a tumor suppressor gene. The current study aimed to investigate PTPRD expression and its prognostic significance in primary gastric adenocarcinoma. ...
Hassan Ahmed M AM Research Unit of Translational Neurogastroenterology, Institute of Experimental and Clinical Pharmacology, Medical University of Graz Graz, - - 2014
Inflammatory bowel disease is associated with an increased risk of mental disorders and can be exacerbated by stress. In this study which was performed with male 10-week old C57Bl/6N mice, we used dextran sulfate sodium (DSS)-induced colitis to evaluate behavioral changes caused by intestinal inflammation, to assess the interaction between ...
Zhang Xiaofeng X MOE Systems Biology and Bioinformatics Laboratory, School of Life Sciences, Tsinghua University, Beijing, 100084, - - 2013
Our previous study demonstrated that a chloroplast co-chaperonin 20 (CPN20), one of the interaction partners of the magnesium-protoporphyrin IX chelatase H subunit (CHLH/ABAR), negatively regulates ABA signaling at the same node with ABAR but upstream of WRKY40 transcription repressor in Arabidopsis thaliana. In the present experiment, we showed that ABA ...
Clapp Joshua D JD Department of Psychology, University of Wyoming, 1000 E. University Avenue, Laramie, WY 82070, United States. Electronic address: - - 2013
Existing research indicates veterans with posttraumatic stress disorder (PTSD) may deliberately inhibit the expression of emotion. However, the degree to which inhibition generalizes to other trauma populations and the specific reasons survivors with PTSD inhibit expression remains unclear. The present study looked to evaluate expressive inhibition among survivors of intimate ...
Heiber Isabelle - - 2013
All genes encoding chloroplast antioxidant enzymes are nuclear encoded and post-transcriptionally targeted to chloroplasts. The transcript levels of most of them decreased upon sucrose feeding like the transcript levels of many genes encoding components of the photosynthetic electron transport chain. However, the transcript abundance of stromal ascorbate peroxidase (s-APX) increased. ...
Hertel Stefanie - - 2013
The chloroplast genome of land plants contains only a single gene for a splicing factor, MatK. To better understand the regulation of matK gene expression, we quantitatively investigated the expression of matK across tobacco (Nicotiana tabacum) development at the transcriptional, post-transcriptional and protein level. We observed striking discrepancies of MatK ...
Hudy Magdalena H - - 2013
Human rhinovirus (HRV) triggers exacerbations of asthma and chronic obstructive pulmonary disease (COPD). Cigarette smoking is the primary risk factor for the development of COPD and 25% of asthmatics smoke. Smokers experience both longer and more severe colds. We previously showed that cigarette smoke extract (CSE) inhibited HRV-induced expression of ...
Wang J H - - 2013
MiR146a exerts negative control on inflammatory responses by suppressing cytokine-induced expression of interleukin-1 receptor-associated kinase-1 (IRAK1) and tumor necrosis factor receptor-associated factor 6 (TRAF6) by impairing NF-κB activity and inhibiting the expression of target genes. Recent study suggests that histone deacetylases (HDACs) are involved in the regulation of microRNA expression. ...
Bowman Shaun M - - 2013
Plants that utilize the highly efficient C4 pathway of photosynthesis typically possess kranz-type leaf anatomy that consists of two morphologically and functionally distinct photosynthetic cell types, the bundle sheath (BS) and mesophyll (M) cells. These two cell types differentially express many genes that are required for C4 capability and function. ...
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