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Gastric dysplasia

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https://www.readbyqxmd.com/read/28616732/erratum-to-early-gastric-adenocarcinoma-arising-within-foveolar-type-dysplasia-in-a-patient-with-muir-torre-variant-lynch-syndrome
#1
Tristan F P McKnight, Amy E Noffsinger, Kara K Landry, Ovais Ahmed, Rebecca Wilcox
No abstract text is available yet for this article.
June 15, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28611525/clinical-significance-of-expression-of-proliferating-cell-nuclear-antigen-and-e-cadherin-in-gastric-carcinoma
#2
Lin Hu, Hong-Lang Li, Wei-Feng Li, Jun-Min Chen, Jian-Tao Yang, Jun-Jing Gu, Lin Xin
AIM: to investigate the expression of proliferating cell nuclear antigen (PCNA) and E-cadherin in gastric carcinoma and to analyze their clinical significance. METHODS: A total of 146 patients were selected for this study, including 38 patients with intestinal metaplasia, 42 with dysplasia, and 66 with primary gastric cancer. In addition, 40 patients with normal gastric tissues were selected as controls. The expression of PCNA and E-cadherin was detected by immunohistochemistry...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28600361/coding-of-barrett-s-oesophagus-with-high-grade-dysplasia-in-national-administrative-databases-a-population-based-cohort-study
#3
Georgina Chadwick, Mira Varagunam, Christian Brand, Stuart A Riley, Nick Maynard, Tom Crosby, Julie Michalowski, David A Cromwell
OBJECTIVES: The International Classification of Diseases 10th Revision (ICD-10) system used in the English hospital administrative database (Hospital Episode Statistics (HES)) does not contain a specific code for oesophageal high-grade dysplasia (HGD). The aim of this paper was to examine how patients with HGD were coded in HES and whether it was done consistently. SETTING: National population-based cohort study of patients with newly diagnosed with HGD in England...
June 9, 2017: BMJ Open
https://www.readbyqxmd.com/read/28593183/columnar-metaplasia-in-three-types-of-surgical-mouse-models-of-esophageal-reflux
#4
Fabio Terabe, Susumu Aikou, Junko Aida, Nobutake Yamamichi, Michio Kaminishi, Kaiyo Takubo, Yasuyuki Seto, Sachiyo Nomura
BACKGROUND AND AIMS: Esophageal adenocarcinoma develops in the setting of gastroesophageal reflux and columnar metaplasia in distal esophagus. Columnar metaplasia arising in gastroesophageal reflux models has developed in rat; however, gastroesophageal reflux models in mice have not been well-characterized. METHODS: One hundred thirty-five C57Bl/6J mice aged 8 weeks old were divided into the following operations: esophagogastrojejunostomy (side-to-side) (EGJ), esophageal separation and esophagojejunostomy (end-to-side) (EJ), and EJ and gastrectomy (end-to-side) (EJ/TG)...
July 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28584893/development-of-novel-monoclonal-antibodies-for-evaluation-of-transmembrane-prostate-androgen-induced-protein-1-tmepai-expression-patterns-in-gastric-cancer
#5
Mikhail S Karbyshev, Evgeniya S Grigoryeva, Viktor V Volkomorov, Elisabeth Kremmer, Alexander Huber, Irina V Mitrofanova, Evgeniya V Kaigorodova, Marina V Zavyalova, Julia G Kzhyshkowska, Nadezda V Cherdyntseva, Evgeny L Choynzonov
Transmembrane prostate androgen-induced protein 1 (TMEPAI) is a single-span membrane protein, functionally involved in transforming growth factor beta signaling pathway. The particular protein presented in cells in three isoforms, which differs in the length of the soluble N-terminal extracellular domain, making it challenging for the immunochemical recognition. By using quantitative real-time polymerase chain reaction, we identified significant upregulation of PMEPA1 gene expression in malignant tissues of patients with gastric adenocarcinoma...
June 5, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28573231/moxibustion-alleviates-gastric-precancerous-lesions-in-rats-by-promoting-cell-apoptosis-and-inhibiting-proliferation-related-oncogenes
#6
Li Peng, Yu-Feng Xie, Chen-Guang Wang, Huan-Gan Wu, Mi Liu, Ya-Dong Wang, Fu-Qiang Ma, Xiao-Rong Chang, Zong-Bao Yang
BACKGROUND: It is well known that gastric mucosa dysplasia and intestinal metaplasia are gastric precancerous lesions (GPL). Moxibustion treatment of Liangmen (ST21) and Zusanli (ST36) alleviated the inflammatory response and dysplasia of gastric mucosa in our previous study. The purpose of this study was to further examine the underlying mechanism of moxibustion treatment of ST21 and ST36 on GPL. MATERIALS AND METHODS: Sixty SD rats were divided into five groups and rats with GPL were treated with either moxibustion (ST), moxibustion (Sham), or vitacoenzyme...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28560293/isthmus-stem-cells-are-the-origins-of-metaplasia-in-the-gastric-corpus
#7
Yoku Hayakawa, James G Fox, Timothy C Wang
The acquisition of genetic/epigenetic mutations in long-lived gastrointestinal stem cells leads to the development of cancer, as well as precancerous lesions such as metaplasia and dysplasia. In the proximal stomach corpus, this model of progression from stem cells has been supported by studies in mice and human beings, showing abundant proliferation in the isthmus and clonal expansion of mutated cells from the stem cell region. An alternative theory proposes that gastric metaplasia arises from mature differentiated chief cells...
July 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28560045/correlation-of-neuter-status-and-expression-of-heritable-disorders
#8
Janelle M Belanger, Thomas P Bellumori, Danika L Bannasch, Thomas R Famula, Anita M Oberbauer
BACKGROUND: Gonadectomy, or neutering, is a very common surgery for dogs having many positive effects on behavior, health, and longevity. There are also certain risks associated with neutering including the development of orthopedic conditions, cognitive decline, and a predisposition to some neoplasias. This study was designed specifically to identify if a correlation exists between neuter status and inherited conditions in a large aggregate cohort of dogs representing many different breeds...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28554134/lactobacillus-rhamnosus-atcc-7469-exopolysaccharides-synergizes-with-low-level-ionizing-radiation-to-modulate-signaling-molecular-targets-in-colorectal-carcinogenesis-in-rats
#9
Walid E Zahran, Sawsan M Elsonbaty, Fatma S M Moawed
Combination therapy that targets cellular signaling pathway represents an alternative therapy for the treatment of colon cancer (CRC). The present study was therefore aimed to investigate the probable interaction of Lactobacillus rhamnosus ATCC 7469 exopolysaccharides (EPS) with low level ionizing γ radiation (γ-R) exposure against dimethylhydrazine (DMH)- induced colorectal carcinogenesis in rats. Colon cancer was induced with 20mg DMH/kg BW. Rats received daily by gastric gavage 100mg EPS/Kg BW concomitant with 1Gy γ-R over two months...
May 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28524153/transcriptome-analysis-of-mirna-lncrna-mrna-interactions-in-the-malignant-transformation-process-of-gastric-cancer-initiation
#10
Y Mao, R Liu, H Zhou, S Yin, Q Zhao, X Ding, H Wang
Gastric cancer is a common heterogeneous malignancy that is pathologically characterized by the development of chronic atrophic gastritis and dysplasia of the epithelium. The pathogenic mechanisms at the molecular level are completely unclear. In the present study, we first address the expression network and miRNA-lncRNA-mRNA interaction in the malignant transformation process from normal mucosa and atrophic gastritis to a tumor. First, the long non-coding RNA (lncRNA), micro RNA (miRNA) and messenger RNA (mRNA) expression profiles of normal gastric mucosa, atrophic gastritis, gastric cancer and the peri-tumor tissues were analyzed using microarrays...
June 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28514409/-new-opportunities-for-the-prevention-of-gastric-cancer
#11
I G Maev, A N Kazyulin
The approvals and provisions of the Management of Helicobacter pylori infection-the Maastricht V/ Florence Consensus Report and those of the Kyoto Global Consensus Conference on H. pylori-associated gastritis, concerning with the primary and secondary prevention of gastric cancer (GC), unambiguously suggest that H. pylori infection is the most important risk factor of GC. Accordingly, the basis for the primary and secondary prevention of GC is the optimization of H. pylori eradication therapy. The clear direct relationship of the risk of GC to the severity and extent of atrophic gastritis, intestinal metaplasia and dysplasia and no reversal of intestinal metaplasia and dysplasia in the presence of H...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28501935/early-gastric-adenocarcinoma-arising-within-foveolar-type-dysplasia-in-a-patient-with-muir-torre-variant-lynch-syndrome
#12
Tristan F P McKnight, Amy E Noffsinger, Kara K Landry, Ovais Ahmed, Rebecca Wilcox
No abstract text is available yet for this article.
May 13, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28499713/long-term-outcomes-of-oesophageal-atresia-without-or-with-proximal-tracheooesophageal-fistula-gross-types-a-and-b
#13
A I Koivusalo, S J Sistonen, H G Lindahl, R J Rintala, M P Pakarinen
PURPOSE: Because of an extended gap between esophageal pouches a variety of methods are employed to treat oesophageal atresia (OA) without (type A) or with (type B) proximal tracheooesophageal fistula. This retrospective observational study describes their single centre long-term outcomes from 1947 to 2014. METHODS: Of 693 patients treated for OA 68 (9.7%) had type A (n=58, 8.3%) or B (n=10, 1.4%). Hospital records were reviewed. Main outcome measures were survival and oral intake...
May 1, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28496533/the-diagnostic-value-of-alarm-features-for-identifying-types-and-stages-of-upper-gastrointestinal-malignancies
#14
Shou-Wu Lee, Chi-Sen Chang, Hong-Jeh Yeh, Han-Chung Lien, Teng-Yu Lee, Yen-Chun Peng
BACKGROUND: Upper gastrointestinal (GI) malignancies are an uncommon cause of dyspepsia but of great concern. The aim of this study was to determine the association between alarm features and each type and stage of upper GI malignancies. METHODS: Patients who underwent endoscopy for symptoms of dyspepsia between January 2008 and December 2009 were retrospectively collected. Alarm features studied in this study were dysplasia, body weight loss and GI bleeding. Patients were classified according to the findings of endoscopy and histological reports...
April 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28473630/epidermal-growth-factor-receptor-inhibition-downregulates-helicobacter-pylori-induced-epithelial-inflammatory-responses-dna-damage-and-gastric-carcinogenesis
#15
Johanna C Sierra, Mohammad Asim, Thomas G Verriere, M Blanca Piazuelo, Giovanni Suarez, Judith Romero-Gallo, Alberto G Delgado, Lydia E Wroblewski, Daniel P Barry, Richard M Peek, Alain P Gobert, Keith T Wilson
OBJECTIVE: Gastric cancer is the third leading cause of cancer death worldwide and infection by Helicobacter pylori is the strongest risk factor. We have reported increased epidermal growth factor receptor (EGFR) phosphorylation in the H. pylori-induced human carcinogenesis cascade, and association with DNA damage. Our goal was to determine the role of EGFR activation in gastric carcinogenesis. DESIGN: We evaluated gefitinib, a specific EGFR inhibitor, in chemoprevention of H...
May 4, 2017: Gut
https://www.readbyqxmd.com/read/28462913/a-clinicopathologic-evaluation-of-incidental-fundic-gland-polyps-with-dysplasia-implications-for-clinical-management
#16
Isaac E Lloyd, Wendy K Kohlmann, Keith Gligorich, Amy Hall, Elaine Lyon, Erinn Downs-Kelly, Wade S Samowitz, Mary P Bronner
OBJECTIVES: Fundic gland polyps (FGPs) can rarely exhibit dysplasia of the surface epithelium. Based on retrospective data, FGPs with dysplasia (FGPDs) are thought to be a strong marker for familial adenomatous polyposis (FAP), although sporadic, non-syndromic FGPDs also occur. Owing to the significant syndromic association, diagnosis of an apparently sporadic FGPD may prompt clinical evaluation for FAP, especially its attenuated variant. We sought to evaluate the positive predictive value of incidental FGPDs for FAP...
May 2, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28462376/regulation-of-gastric-metaplasia-dysplasia-and-neoplasia-by-bone-morphogenetic-protein-signaling
#17
REVIEW
Andrea Todisco
The bone morphogenetic proteins, (BMP)s are regulatory peptides that have significant effects on the growth and differentiation of gastrointestinal tissues. In addition, the BMPs have been shown to exert anti-inflammatory actions in the gut and to negatively regulate the growth of gastric neoplasms. The role of BMP signaling in the regulation of gastric metaplasia, dysplasia and neoplasia has been poorly characterized. Transgenic expression in the mouse stomach of the BMP inhibitor noggin leads to decreased parietal cell number, increased epithelial cell proliferation, and to the emergence of SPEM...
May 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28455161/outcomes-of-screening-gastroscopy-in-first-degree-relatives-of-patients-fulfilling-hereditary-diffuse-gastric-cancer-criteria
#18
Rachel S van der Post, Jolanda van Dieren, Anna Grelack, Nicoline Hoogerbrugge, Lizet E van der Kolk, Petur Snaebjornsson, Iris Lansdorp-Vogelaar, J Han van Krieken, Tanya M Bisseling, Annemieke Cats
BACKGROUND AND AIMS: The aim of this study was to determine the yield of endoscopic screening in first-degree relatives (FDRs) of CDH1-negative hereditary diffuse-type gastric cancer (HDGC) patients. METHODS: In this retrospective observational cohort study, in 2 expert centers in the Netherlands data were collected on FDRs from families fulfilling the international HDGC criteria that underwent endoscopic screening. Extensive inspection of the stomach was performed by gastroscopy, taking random and/or targeted stomach biopsy specimens to identify diffuse-type gastric cancer...
April 25, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28449219/the-risk-of-gastric-cancer-in-patients-with-gastric-intestinal-metaplasia-in-5-year-follow-up
#19
R Pittayanon, R Rerknimitr, N Klaikaew, A Sanpavat, S Chaithongrat, V Mahachai, P Kullavanijaya, A Barkun
BACKGROUND: Gastric intestinal metaplasia (GIM) is the premalignant stage of gastric cancer; however, consensus on its management has not been established. AIM: To determine the risk factors for gastric cancer in a population of patients with GIM to guide the appropriate clinical recommendations in a low prevalence area for gastric cancer. METHODS: This was a retrospective cohort study. Ninety-one patients with GIM diagnosed between 2004 and 2014 were recruited for surveillance EGD every 6-12 months until a diagnosis of gastric cancer or completion of the planned 5-year follow-up duration...
July 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28440945/heterogeneity-in-esophageal-and-gastric-cardia-precursor-progression-during-six-year-endoscopic-surveillance-after-population-based-screening-in-a-chinese-high-risk-region
#20
Denggui Wen, Liwei Zhang, Xiaoling Wang, Xiaoduo Wen, Yi Yang, Yuetong Chen, Guiying Wang, Kohei Akazawa, Shijie Wang, Baoen Shan
BACKGROUND: The study was conducted to examine esophageal and gastric cardia precursor progression. METHODS: After population-based baseline screening, 145 precursor and 335 chronic inflammation cases were endoscopically surveyed for six years. RESULTS: Surveillance of interval and baseline diagnoses for 18 severe dysplasia (SD) cases later detected were: 13, 23, 39, and 44 months since a diagnosis of chronic inflammation in four cases; 6, 6, 6, 11, 13, 16, 16, and 23 months since mild dysplasia (mD) diagnoses in eight; and 6, 9, 10, 13, 18, and 48 months since moderate dysplasia (MD) diagnoses in six...
April 25, 2017: Thoracic Cancer
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