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Gut and Liver

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https://www.readbyqxmd.com/read/29316747/immunotherapy-for-chronic-hepatitis-b-virus-infection
#1
REVIEW
Antonio Bertoletti, Nina Le Bert
While new therapies for chronic hepatitis C virus infection have delivered remarkable cure rates, curative therapies for chronic hepatitis B virus (HBV) infection remain a distant goal. Although current direct antiviral therapies are very efficient in controlling viral replication and limiting the progression to cirrhosis, these treatments require lifelong administration due to the frequent viral rebound upon treatment cessation, and immune modulation with interferon is only effective in a subgroup of patients...
January 11, 2018: Gut and Liver
https://www.readbyqxmd.com/read/29298460/early-infliximab-yields-superior-long-term-effects-on-linear-growth-in-pediatric-crohn-s-disease-patients
#2
Jaeyoung Choi, Ben Kang, Min-Ji Kim, Insuk Sohn, Hae Jeong Lee, Yon Ho Choe
Background/Aims: Information regarding the efficacy of early infliximab treatment in pediatric patients with Crohn's disease (CD) is limited. We aimed to evaluate the impact of early combined immunosuppression on linear growth in pediatric patients with CD by performing step-up comparisons. Methods: This retrospective study included pediatric patients with moderate-to-severe CD, who received a combination therapy with infliximab and azathioprine for at least 3 years and sustained corticosteroid-free remission without loss of response...
January 5, 2018: Gut and Liver
https://www.readbyqxmd.com/read/29291617/methylation-status-of-transcriptional-modulatory-genes-associated-with-colorectal-cancer-in-northeast-china
#3
Han-Lu Gao, Xuan Wang, Hong-Ru Sun, Jun-De Zhou, Shang-Qun Lin, Yu-Hang Xing, Lin Zhu, Hai-Bo Zhou, Ya-Shuang Zhao, Qiang Chi, Yu-Peng Liu
Background/Aims: Methylation status plays a causal role in carcinogenesis in targeted tissues. However, the relationship between the DNA methylation status of multiple genes in blood leukocytes and colorectal cancer (CRC) susceptibility as well as interactions between dietary factors and CRC risks are unclear. Methods: We performed a case-control study with 466 CRC patients and 507 cancer-free controls to investigate the association among the methylation status of individual genes, multiple CpG site methylation (MCSM), multiple CpG site heterogeneous methylation and CRC susceptibility...
January 3, 2018: Gut and Liver
https://www.readbyqxmd.com/read/29291601/diagnostic-endoscopic-ultrasound-technique-current-status-and-future-directions
#4
REVIEW
Tiing Leong Ang, Andrew Boon Eu Kwek, Lai Mun Wang
Endoscopic ultrasound (EUS) is now well established as an important tool in clinical practice. From purely diagnostic imaging, it has progressed to include tissue acquisition, which provided the basis for therapeutic procedures. Even as interventional EUS developed, there has been ongoing progress in EUS diagnostic capabilities due to improved imaging systems, better needles for tissue acquisition and development of enhanced imaging functions such as contrast harmonic EUS (CHEUS) and EUS elastography. EUS is well established for differentiation of subepithelial lesions, for T-staging of luminal gastrointestinal and pancreaticobiliary malignancies, for differentiation of benign pancreaticobiliary disorders and for diagnostic tissue acquisition, which can be achieved by EUS-guided fine needle aspiration or by EUS-guided fine needle biopsy using dedicated biopsy needles...
January 3, 2018: Gut and Liver
https://www.readbyqxmd.com/read/29278867/optical-diagnosis-for-colorectal-polyps-a-useful-technique-now-or-in-the-future
#5
REVIEW
Ignasi Puig, Tonya Kaltenbach
In the last few years, interest in the optical diagnosis of colorectal polyps has increased among gastroenterologists. Several studies have shown that the optical diagnosis of small colorectal polyps is safe and feasible in routine clinical practice and is comparable to histopathology. The Narrow-band Imaging International Colorectal Endoscopic Classification provides a validated criterion for the classification of neoplastic and nonneoplastic polyps as well as polyps with deep submucosal invasion using narrow band imaging during real-time colonoscopy...
December 28, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29271185/direct-detection-of-drug-resistant-hepatitis-b-virus-in-serum-using-a-dendron-modified-microarray
#6
Doo Hyun Kim, Hong Seok Kang, Seong-Suk Hur, Seobo Sim, Sung Hyun Ahn, Yong Kwang Park, Eun-Sook Park, Ah Ram Lee, Soree Park, So Young Kwon, Jeong-Hoon Lee, Kyun-Hwan Kim
Background/Aims: Direct sequencing is the gold standard for the detection of drug-resistance mutations in hepatitis B virus (HBV); however, this procedure is time-consuming, labor-intensive, and difficult to adapt to high-throughput screening. In this study, we aimed to develop a dendron-modified DNA microarray for the detection of genotypic resistance mutations and evaluate its efficiency. Methods: The specificity, sensitivity, and selectivity of dendron-modified slides for the detection of representative drug-resistance mutations were evaluated and compared to those of conventional slides...
December 26, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29271184/genetic-polymorphisms-of-pnpla3-and-samm50-are-associated-with-nonalcoholic-fatty-liver-disease-in-a-korean-population
#7
Goh Eun Chung, Young Lee, Jeong Yoon Yim, Eun Kyung Choe, Min-Sun Kwak, Jong In Yang, Boram Park, Jong-Eun Lee, Jeong A Kim, Joo Sung Kim
Background/Aims: The development of nonalcoholic fatty liver disease (NAFLD) is associated with multiple genetic and environmental factors. Methods: We performed a genome-wide association study (GWAS) to identify the genetic factors related to NAFLD in a Korean population-based sample of 1,593 subjects with NAFLD and 2,816 controls. We replicated the data in another sample that included 744 NAFLD patients and 1,137 controls. We investigated single-nucleotide polymorphisms (SNPs) that were related to NAFLD...
December 26, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29271183/subclassification-and-detection-of-new-markers-for-the-discrimination-of-primary-liver-tumors-by-gene-expression-analysis-using-oligonucleotide-arrays
#8
Holger G Hass, Ulrich Vogel, Michael Scheurlen, Jürgen Jobst
Background/Aims: The failure to correctly differentiate between intrahepatic cholangiocarcinoma [CC] and hepatocellular carcinoma [HCC] is a significant clinical problem, particularly in terms of the different treatment goals for both cancers. In this study a specific gene expression profile to discriminate these two subgroups of liver cancer was established and potential diagnostic markers for clinical use were analyzed. Methods: To evaluate the gene expression profiles of HCC and intrahepatic CC, Oligonucleotide arrays (AffymetrixU133A) were used...
December 26, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29271182/outcomes-of-endoscopic-submucosal-dissection-for-early-gastric-cancer-with-undifferentiated-type-histology-a-clinical-simulation-using-a-non-selected-surgical-cohort
#9
Dong Shin Kwak, Yang Won Min, Jun Haeng Lee, Soo Hoon Kang, Seung Hyeon Jang, Hyuk Lee, Byung-Hoon Min, Jae J Kim, Kyoung-Mee Kim, Tae Sung Sohn, Sung Kim
Background/Aims: Outcomes of endoscopic submucosal dissection (ESD) for undifferentiated-type early gastric cancer (EGC) need to be further evaluated. We aimed to simulate the outcomes of ESD for undifferentiated-type EGC from a surgical database. Methods: Among 802 patients who underwent gastrectomy with endoscopic biopsy for poorly differentiated adenocarcinoma (PD-type) or signet ring cell carcinoma (SRC-type), ESD candidates meeting the expanded indication (n=280) were selected by reviewing the endoscopic images...
December 26, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29212315/post-ercp-bleeding-in-the-era-of-multiple-antiplatelet-agents
#10
Hyoung-Chul Oh, Ihab I El Hajj, Jeffrey J Easler, James Watkins, Evan L Fogel, Lee McHenry, Glen A Lehman, Jung Sik Choi, Hyun Kang, Stuart Sherman
Background/Aims: This study aimed to determine the risk of post-endoscopic retrograde cholangiopancreatography (post-ERCP) bleeding among patients taking antiplatelet agents (APAs), particularly in the era of multiple APAs. Methods: The primary outcomes were the frequency, type, and severity of ERCP-related bleeding according to the use of APAs. Results: The frequencies of post-ERCP bleeding among the four different groups were 16 of 2,083 (0...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29212314/rapid-changes-in-serum-lipid-profiles-during-combination-therapy-with-daclatasvir-and-asunaprevir-in-patients-infected-with-hepatitis-c-virus-genotype-1b
#11
Takeshi Chida, Kazuhito Kawata, Kazuyoshi Ohta, Erika Matsunaga, Jun Ito, Shin Shimoyama, Satoru Yamazaki, Hidenao Noritake, Tetsuro Suzuki, Takafumi Suda, Yoshimasa Kobayashi
Background/Aims: Changes in lipid profiles in patients infected with hepatitis C virus (HCV) during direct-acting antiviral therapy have been reported in recent years. However, the clinical aspects of disturbed lipid metabolism in chronic HCV infection have not been fully elucidated. Methods: Dynamic changes in serum total, low-density lipoprotein (LDL), and high-density lipoprotein (HDL) cholesterol and apolipoprotein levels in patients infected with HCV genotype 1b were examined during combination therapy with daclatasvir (DCV) and asunaprevir (ASV)...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29212313/clinical-outcomes-of-standard-triple-therapy-plus-probiotics-or-concomitant-therapy-for-helicobacter-pylori-infection
#12
Jae Hyun Jung, In Kuk Cho, Chang Hee Lee, Gwan Gyu Song, Ji Hyun Lim
Background/Aims: The efficacy of standard triple therapy (STT) in treating Helicobacter pylori infection has decreased. Many investigators have attempted to increase the eradication rate. We investigated the outcomes of concomitant therapy (CT) and STT combined with probiotics (STP) as a first-line treatment for H. pylori infection. Methods: We reviewed the medical records of 361 patients who received either STP (n=286) or CT (n=75). The STP group received STT combined with a probiotic preparation for 1 week...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29212312/groove-pancreatitis-endoscopic-treatment-via-the-minor-papilla-and-duct-of-santorini-morphology
#13
Tanyaporn Chantarojanasiri, Hiroyuki Isayama, Yousuke Nakai, Saburo Matsubara, Natsuyo Yamamoto, Naminatsu Takahara, Suguru Mizuno, Tsuyoshi Hamada, Hirofumi Kogure, Kazuhiko Koike
Background/Aims: Groove pancreatitis (GP) is an uncommon disease involving the pancreaticoduodenal area. Possible pathogenesis includes obstructive pancreatitis in the duct of Santorini and impaired communication with the duct of Wirsung, minor papilla stenosis, and leakage causing inflammation. Limited data regarding endoscopic treatment have been published. Methods: Seven patients with GP receiving endoscopic treatment were reviewed. The morphology of the pancreatic duct was evaluated by a pancreatogram...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29212311/a-prospective-study-on-the-prevalence-extent-of-disease-and-outcome-of-eosinophilic-gastroenteritis-in-patients-presenting-with-lower-abdominal-symptoms
#14
Chee K Hui, N Kit Hui
Background/Aims: The epidemiology of eosinophilic gastroenteritis remains unclear. We aim to determine the prevalence of eosinophilic gastroenteritis in patients with lower abdominal symptoms. Methods: In a prospective study, colonoscopy was performed on 2,469 consecutive patients. Biopsies were taken from the terminal ileum and ascending, transverse, descending and sigmoid colon in all patients. Results: Sixty-four of the 2,469 patients (2...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29212310/quality-metrics-of-a-fecal-immunochemical-test-based-colorectal-cancer-screening-program-in-korea
#15
Dae Ho Kim, Jae Myung Cha, Min Seob Kwak, Jin Young Yoon, Young-Hak Cho, Jung Won Jeon, Hyun Phil Shin, Kwang Ro Joo, Joung Il Lee
Background/Aims: Knowledge regarding the quality metrics of fecal immunochemical test (FIT)-based colorectal cancer screening programs is limited. The aim of this study was to investigate the performance and quality metrics of a FIT-based screening program. Methods: In our screening program, asymptomatic subjects aged ≥50 years underwent an annual FIT, and subjects with positive FIT results underwent a subsequent colonoscopy. The performance of the FIT and colonoscopy was analyzed in individuals with a positive FIT who completed the program between 2009 and 2015 at a university hospital...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29108399/effects-of-perianal-involvement-on-clinical-outcomes-in-crohn-s-disease-over-10-years
#16
Jin Young Yoon, Jae Hee Cheon, Soo Jung Park, Tae Il Kim, Won Ho Kim
Background/Aims: There was the assumption that CD patients with perianal lesions might have different clinical courses compared to those without. However, quantifiable data comparing the long-term outcomes between the two groups are scarce. Methods: We retrospectively reviewed 221 consecutive patients newly diagnosed with CD and registered at the IBD clinic of Severance Hospital, in Seoul, Korea, between January 1990 and October 2005. We compared patients with perianal CD (PCD) and non-perianal CD (NPCD) in terms of clinical outcomes over 10 years...
November 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29069892/efficacy-of-a-three-dimensional-printed-training-simulator-for-endoscopic-biopsy-in-the-stomach
#17
Sunpyo Lee, Ji Yong Ahn, Minkyu Han, Gin Hyug Lee, Hee Kyong Na, Kee Wook Jung, Jeong Hoon Lee, Do Hoon Kim, Kee Don Choi, Ho June Song, Hwoon-Yong Jung
Background/Aims: We used three-dimensional (3D) printing technology to create a new biopsy simulator for the stomach and investigated its efficacy and realism in endoscopic biopsy training. Methods: A novel stomach biopsy simulator, with 10 biopsy sites, was produced using a 3D printer. We enrolled 26 participants, including 10 residents, six first-year fellows, five second-year fellows, and five faculty members. We recorded and reviewed five training sessions and evaluated the simulator with questionnaires using a 7-point Likert scale...
October 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29069891/additive-effects-of-rebamipide-plus-proton-pump-inhibitors-on-the-expression-of-tight-junction-proteins-in-a-rat-model-of-gastro-esophageal-reflux-disease
#18
Tae-Geun Gweon, Jong-Hyung Park, Byung-Wook Kim, Yang Kyu Choi, Joon Sung Kim, Sung Min Park, Chang Whan Kim, Hyung-Gil Kim, Jun-Won Chung
Background/Aims: The aim of this study was to investigate the effects of rebamipide on tight junction proteins in the esophageal mucosa in a rat model of gastroesophageal reflux disease (GERD). Methods: GERD was created in rats by tying the proximal stomach. The rats were divided into a control group, a proton pump inhibitor (PPI) group, and a PPI plus rebamipide (PPI+R) group. Pantoprazole (5 mg/kg) was administered intraperitoneally to the PPI and PPI+R groups...
October 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29069890/long-term-effects-of-helicobacter-pylori-eradication-on-metachronous-gastric-cancer-development
#19
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
#20
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
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