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gastric intestinal metaplasia

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https://www.readbyqxmd.com/read/29138645/chinese-classical-formula-sijunzi-decoction-and-chronic-atrophic-gastritis-evidence-for-treatment-approach
#1
REVIEW
Danan Gan, Aili Xu, Hongbo Du, Yong'an Ye
Objective: This aim is to evaluate the effect of Sijunzi decoction (SJZD) treating chronic atrophic gastritis (CAG). Methods: We performed searches in seven databases. The randomized controlled trials (RCTs) comparing SJZD with standard medical care or inactive intervention for CAG were enrolled. Combined therapy of SJZD plus conventional therapies compared with conventional therapies alone was also retrieved. The primary outcome included the incidence of gastric cancer and the improvement of atrophy, intestinal metaplasia, and dysplasia based on the gastroscopy and pathology...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29132476/helicobacter-pyloriassociation-with-expression-of-cdx2-in-intestinal-metaplasia
#2
Tayyab Hamid Malik, WangYu, XuHong
OBJECTIVE: To assess whether helicobacter pylori was associated with CDX2 expression in intestinal metaplasia, atrophic gastritis, dysplasia and gastric cancer. STUDY DESIGN: Cross-sectional study. PLACE AND DURATION OF STUDY: Department of Pathology, The First Hospital of Jilin University, Changchun, China, from August 2016 to January 2017. METHODOLOGY: CDX2 expression was evaluated in 62 gastric antral biopsies; including 32 cases of intestinal metaplasia (IM) and 10 cases each of atrophic gastritis (AG), dysplasia and gastric cancer...
November 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29113260/expression-of-c-met-and-hepatocyte-growth-factor-in-various-gastric-pathologies-and-its-association-with-helicobacter-pylori-infection
#3
Chuan Xie, Zhen Yang, Yi Hu, Ximei Cao, Jiang Chen, Yin Zhu, Nonghua Lu
Activation of the hepatocyte growth factor (HGF)/c-Met signaling pathway was identified to be associated with malignant tumors. The present study aimed at determining the expression of HGF and c-Met in gastric carcinogenesis and its association with Helicobacter pylori infection. Gastric biopsies were obtained from 160 H. pylori-negative and -positive patients, including those with chronic gastritis, intestinal metaplasia, dysplasia and gastric cancer (GC). Proteins were extracted from GES-1, gastric epithelial, and AGS, gastric adenocarcinoma, cells following co-culture with H...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29103763/occurrence-of-metachronous-or-synchronous-lesions-after-endoscopic-treatment-of-gastric-epithelia-dysplasia-impact-of-histologic-features-of-background-mucosa
#4
Won-Young Park, So-Jeong Lee, Young-Keum Kim, Ahrong Kim, Do Youn Park, Bong-Eun Lee, Geun-Am Song, Gwang Ha Kim
AIMS: Endoscopic resection is a safe and effective method to treat gastric epithelia dysplasia (GED). However, the development of metachronous and synchronous lesions after treatment has become a major concern. In this study, we investigated clinicopathologic features of 105 GED lesions from endoscopic resections between January 2008 and December 2009. Our goal is to find histologic factors that predict synchronous and metachronous lesions after ESD treatment. We assessed the degree of intestinal metaplasia (IM) and atrophy, type of IM, presence of gastritis cystica profunda, and crypt dysplasia in the adjacent mucosa...
October 28, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29102522/long-term-course-of-precancerous-lesions-arising-in-patients-with-gastric-malt-lymphoma
#5
Anne-Laure Rentien, Michaël Lévy, Christiane Copie-Bergman, Charlotte Gagniere, Jehan Dupuis, Yann Le Baleur, Karim Belhadj, Iradj Sobhani, Corinne Haioun, Jean-Charles Delchier, Aurelien Amiot
BACKGROUND AND AIMS: To evaluate the prevalence and the long-term course of gastric precancerous lesions in patients with GML. PATIENTS AND METHODS: In this retrospective single-centre study, we included 179 patients with GML, 70 with gastric diffuse large B-cell lymphoma (GDLBCL) and 152 with Helicobacter pylori-associated gastritis (HpG), from January 1995 to January 2014. The presence of atrophic gastritis, intestinal metaplasia and neoplastic lesion has been assessed at baseline and during follow-up...
October 27, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29093583/-endoscopic-and-pathological-characteristics-of-gastric-cancer-in-a-peruvian-public-hospital
#6
Lilian Brenda Parillo Durand
OBJECTIVE: The endoscopic and pathological characteristics of gastric cancer in Luis N. Sáenz National Hospital between 2008 and 2013. MATERIALS AND METHODS: retrospective cross-sectional observational study. We reviewed the endoscopic reports of patients older than 30 years, we studied the histological diagnosis of gastric adenocarcinoma, pathological variables such as histological type, presence of H. pylori and complete and incomplete intestinal metaplasia. RESULTS: 92 cases of gastric adenocarcinoma were identified...
July 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29084052/personalizing-gastric-cancer-screening-with-predictive-modeling-of-disease-progression-biomarkers
#7
Rachel Walker, Jaime Mejia, Jae K Lee, Jose M Pimiento, Mokenge Malafa, Anna R Giuliano, Domenico Coppola, Heiko Enderling
Gastric cancer (GC) remains the third most common cause of cancer-related death worldwide. Infection with Helicobacter pylori is responsible for over 70% of GC incidence; colonization induces chronic inflammation, which can facilitate progression to intestinal metaplasia, dysplasia, and GC (Correa pathway). Although H. pylori eradication is a necessary first step in GC prevention, some patients continue to progress to advanced stage disease if substantial tissue damage has occurred or inflammation persists...
October 27, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29082856/male-non-insulin-users-with-type-2-diabetes-mellitus-are-predisposed-to-gastric-corpus-predominant-inflammation-after-h-pylori-infection
#8
Yao-Jong Yang, Chung-Tai Wu, Horng-Yih Ou, Chin-Han Lin, Hsiu-Chi Cheng, Wei-Lun Chang, Wei-Ying Chen, Hsiao-Bai Yang, Cheng-Chan Lu, Bor-Shyang Sheu
BACKGROUND: Both H. pylori infection and diabetes increase the risk of gastric cancer. This study investigated whether patients with type 2 diabetes mellitus (T2DM) and H. pylori infection had more severe corpus gastric inflammation and higher prevalence of precancerous lesions than non-diabetic controls. METHODS: A total of 797 patients with type 2 diabetes mellitus were screened for H. pylori, of whom 264 had H. pylori infection. Of these patients, 129 received esophagogastroduodenoscopy to obtain topographic gastric specimens for gastric histology according to the modified Updated Sydney System, corpus-predominant gastritis index (CGI), Operative Link on Gastritis Assessment, and Operative Link on Gastric Intestinal Metaplasia Assessment...
October 30, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29073703/-french-comment-on-article-probe-based-endomicroscopy-for-in-vivo-detection-of-gastric-intestinal-metaplasia-and-neoplasia-a-multicenter-randomized-controlled-trial
#9
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Endoscopy
https://www.readbyqxmd.com/read/29069890/long-term-effects-of-helicobacter-pylori-eradication-on-metachronous-gastric-cancer-development
#10
Seung Jun Han, Sang Gyun Kim, Joo Hyun Lim, Ji Min Choi, Sooyeon Oh, Jae Yong Park, Jung Kim, Joo Sung Kim, Hyun Chae Jung
Background/Aims: Gastric mucosal atrophy and intestinal metaplasia due to Helicobacter pylori infection are the main precursor lesions of gastric cancer. The aim of this study was to evaluate the long-term effects of H. pylori eradication on the progression of precancerous lesions to metachronous cancer after endoscopic resection of early gastric cancer (EGC). Methods: Patients who underwent endoscopic resection of EGC were retrospectively reviewed. Changes in precancerous lesions and development of metachronous cancer were compared according to H...
October 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29069889/characterizing-helicobacter-pylori-caga-in-myanmar
#11
Thein Myint, Muhammad Miftahussurur, Ratha-Korn Vilaichone, New Ni, Than Than Aye, Phawinee Subsomwong, Tomohisa Uchida, Varocha Mahachai, Yoshio Yamaoka
Background/Aims: Differences in the Helicobacter pylori infection rate are not sufficient to clarify the dissimilarity of gastric cancer incidence between Myanmar and its neighboring countries. To better understand this trend, the H. pylori virulence gene cagA was characterized in Myanmar. Methods: Glutamate-Proline-Isoleucine-Tyrosine-Alanine (EPIYA) patterns and CagA multimerization (CM) motifs of cagA genotypes were examined by performing polymerase chain reactions and DNA sequencing...
October 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29060502/convolutional-neural-network-classifier-for-distinguishing-barrett-s-esophagus-and-neoplasia-endomicroscopy-images
#12
Jisu Hong, Bo-Yong Park, Hyunjin Park
Barrett's esophagus is a diseased condition with abnormal changes of the cells in the esophagus. Intestinal metaplasia (IM) and gastric metaplasia (GM) are two sub-classes of Barrett's esophagus. As IM can progress to the esophageal cancer, the neoplasia (NPL), developing methods for classifying between IM and GM are important issues in clinical practice. We adopted a deep learning (DL) algorithm to classify three conditions of IM, GM, and NPL based on endimicroscopy images. We constructed a convolutional neural network (CNN) architecture to distinguish among three classes...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29050151/-relationship-between-helicobacter-pylori-infection-and-mir-24-3p-expression-during-the-development-of-gastric-mucosa-lesions
#13
C Li, Y L Zhu, Q Li, D S Li, G B Yang
Objectives: To explore the expression of micro RNA-24-3p (miR-24-3p) in different gastric mucosa lesions, and analyze the potential correlation between Helicobacter pylori (H.pylori) infection and miR-24-3p expression in different gastric lesions. Methods: 158 gastric biopsy specimens were divided into four groups, including 35 chronic superficial gastritis (CSG) samples, 43 chronic atrophic gastritis (CAG) samples, 41 intestinal metaplasia (IM) samples and 39 dysplasia (Dys) samples. Those samples were collected from patients undergoing gastroscopy at the Department of Gastroenterology, Aerospace Center Hospital, from September 2005 to June 2012...
September 26, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29044464/prognostic-value-of-the-cancer-oncogene-kelch-like-6-in-gastric-cancer
#14
J Deng, J Guo, G Ma, H Zhang, D Sun, Y Hou, X Xie, X Guo, Y Nie, H Liang
BACKGROUND: Kelch-like 6 (KLHL6) is a cancer oncogene previously associated with specific human cancers, such as chronic lymphocytic leukaemia. Here, the mechanisms of KLHL6 function were explored in gastric cancer (GC) cells, in an in vivo experimental tumour model, and the prognostic value of KLHL6 analysis in GC tissue evaluated in a cohort of patients with GC. METHODS: Associations between clinicopathological and survival data and KLHL6 expression in GC tissues were analysed...
October 17, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/29042646/effects-of-long-term-aspirin-use-on-molecular-alterations-in-precancerous-gastric-mucosa-in-patients-with-and-without-gastric-cancer
#15
Yuki Michigami, Jiro Watari, Chiyomi Ito, Ken Hara, Takahisa Yamasaki, Takashi Kondo, Tomoaki Kono, Katsuyuki Tozawa, Toshihiko Tomita, Tadayuki Oshima, Hirokazu Fukui, Takeshi Morimoto, Kiron M Das, Hiroto Miwa
The risk of gastric cancer (GC) remains even after H. pylori eradication; thus, other combination treatments, such as chemopreventive drugs, are needed. We evaluated the effects of aspirin on genetic/epigenetic alterations in precancerous conditions, i.e., atrophic mucosa (AM) and intestinal metaplasia (IM), in patients with chronic gastritis who had taken aspirin for more than 3 years. A total of 221 biopsy specimens from 74 patients, including atrophic gastritis (AG) cases without aspirin use (control), AG cases with aspirin use (AG group), and GC cases with aspirin use (GC group), were analyzed...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29027178/mechanisms-of-regulation-of-normal-and-metaplastic-intestinal-differentiation
#16
REVIEW
Jaime P Rodrigues, Leonor David, Raquel Almeida, Rita Barros, Teresa Freitas, Joana Silva, Ana Ponte, Mafalda Sousa, João Carlos Silva, João Carvalho
The gastrointestinal tract is an organized structure originating from the three embryonic germ layers: endoderm, mesoderm and ectoderm. Morphological changes that accompany its formation are relatively well known, although the underlying molecular mechanisms are still poorly defined. Intestinal metaplasia, resulting from an epithelial transdifferentiation process, is considered a precursor lesion of gastric adenocarcinoma, a malignancy with serious consequences in terms of morbidity and mortality worldwide...
October 13, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28978001/tenascin-c-and-fibronectin-in-normal-esophageal-mucosa-barrett-s-esophagus-dysplasia-and-adenocarcinoma
#17
Joni Leppänen, Sara Bogdanoff, Petri P Lehenkari, Juha Saarnio, Joonas H Kauppila, Tuomo J Karttunen, Heikki Huhta, Olli Helminen
BACKGROUND: Tenascin-C and fibronectin are adhesive glycoproteins modulating the structure of the extracellular matrix and cellular functions. Their expression and function in esophageal adenocarcinoma is poorly known. The aim of this study was to evaluate the expression of tenascin-C and fibronectin in esophageal adenocarcinoma and its precursor stages. RESULTS: Stromal tenascin-C and fibronectin expression were found in all evaluated lesion types. Expression of both molecules increased from gastric metaplasia towards adenocarcinoma (p<0...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28968998/identification-of-aqp3-and-cd24-as-biomarkers-for-carcinogenesis-of-gastric-intestinal-metaplasia
#18
Haijian Zhao, Jianfei Wen, Xuqiang Dong, Ruji He, Cheng Gao, Weiming Zhang, Zhihong Zhang, Lizong Shen
Gastric intestinal metaplasia (GIM) is a precancerous gastric carcinoma (GC) lesion with pivotal roles in carcinogenesis. CD24, LGR5 and Ki67 are expressed in GIM; we previously demonstrated that aquaporin 3 (AQP3) is expressed in goblet cells and is positively correlated with GIM severity. However, the relationships of AQP3 with GIM classification and with other proteins, and their roles in the transition from GIM to gastric carcinoma (GC) remain unknown. Sixteen patients with intestinal-type GC were enrolled in this study...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28953255/metaplasia-in-the-stomach-precursor-of-gastric-cancer
#19
REVIEW
Hiroto Kinoshita, Yoku Hayakawa, Kazuhiko Koike
Despite a significant decrease in the incidence of gastric cancer in Western countries over the past century, gastric cancer is still one of the leading causes of cancer-related deaths worldwide. Most human gastric cancers develop after long-term Helicobacter pylori infection via the Correa pathway: the progression is from gastritis, atrophy, intestinal metaplasia, dysplasia, to cancer. However, it remains unclear whether metaplasia is a direct precursor of gastric cancer or merely a marker of high cancer risk...
September 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28947866/factors-associated-with-gastric-adenocarcinoma-and-dysplasia-in-patients-with-chronic-gastritis-a-population-based-study
#20
Jie Xing, Li Min, Shengtao Zhu, Hao Zhang, Yu Zhao, Hengcun Li, Zheng Zhang, Peng Li, Shutian Zhang
OBJECTIVE: Gastric cancer (GC) is one of the leading causes of death in China and other Asian countries. Recently, gastric endoscopy has become the main approach for GC screening, but the identification of high-risk individuals remains a challenge in GC screening programs. METHODS: There were 7,302 patients with chronic gastritis involved in this study. Endoscopic examinations were performed, and their demographic characteristics and lifestyle data were collected...
August 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
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