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Helicobacter and cancer prevention and treatment

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https://www.readbyqxmd.com/read/29904244/treatment-of-helicobacter-pylori-infection-in-atrophic-gastritis
#1
REVIEW
Edith Lahner, Marilia Carabotti, Bruno Annibale
Helicobacter pylori (Hp) is a major human pathogen causing chronic, progressive gastric mucosal damage and is linked to gastric atrophy and cancer. Hp-positive individuals constitute the major reservoir for transmission of infection. There is no ideal treatment for Hp. Hp infection is not cured by a single antibiotic, and sometimes, a combined treatment with three or more antibiotics is ineffective. Atrophic gastritis (AG) is a chronic disease whose main features are atrophy and/or intestinal metaplasia of the gastric glands, which arise from long-standing Hp infection...
June 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29800546/effects-of-helicobacter-pylori-eradication-for-metachronous-gastric-cancer-prevention-a-randomized-controlled-trial
#2
Ji Min Choi, Sang Gyun Kim, Jeongmin Choi, Jae Yong Park, Sooyeon Oh, Hyo-Joon Yang, Joo Hyun Lim, Jong Pil Im, Joo Sung Kim, Hyun Chae Jung
BACKGROUND AND AIMS: Whether eradication of Helicobacter pylori (H pylori) reduces incidence of metachronous gastric cancer (MGC) is still debatable. We aimed to evaluate the long-term effect of H pylori eradication on the development of MGC after endoscopic gastric tumor resection. METHODS: We undertook an open-label, prospective, randomized controlled trial at a tertiary hospital in Seoul, Korea. Participants were recruited during April 2005 to February 2011 and followed until December 2016...
May 22, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#3
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29779412/primary-gastric-lymphoma-epidemiology-clinical-diagnosis-and-treatment
#4
Luis Miguel Juárez-Salcedo, Lubomir Sokol, Julio C Chavez, Samir Dalia
Primary gastric lymphoma (PGL) is the most common extranodal non-Hodgkin lymphoma and represents a wide spectrum of disease, ranging from indolent low-grade marginal zone lymphoma or mucosa-associated lymphoid tissue (MALT) lymphoma to aggressive diffuse large B-cell lymphoma. The PGL is a relatively rare cancer and easily misdiagnosed due to its unspecific symptoms of the digestive tract. The medical literature and ongoing clinical trials were reviewed on the clinical presentation, diagnosis, prognosis, prevention, and treatment of PGL...
January 2018: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/29686466/nutrition-status-and-helicobacter-pylori-infection-in-patients-receiving-hemodialysis
#5
REVIEW
Mitsushige Sugimoto, Hideo Yasuda, Akira Andoh
Chronic kidney disease (CKD) patients receiving hemodialysis (HD) often develop gastrointestinal abnormalities over their long treatment period. In general, prognosis in such patients is poor due to the development of protein-energy wasting (PEW). Therefore, it is important to clarify the etiology of PEW and to establish better strategies to deal with this condition. Chronic Helicobacter pylori ( H. pylori ) infection in the gastric mucosa has a close association with not only the development of peptic ulcer disease and gastric cancer, but is also associated with abnormal plasma and gastric mucosal ghrelin levels that are seen in malnutrition...
April 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29668600/chilean-gastric-cancer-task-force-a-study-protocol-to-obtain-a-clinical-and-molecular-classification-of-a-cohort-of-gastric-cancer-patients
#6
Gareth I Owen, Mauricio P Pinto, Ignacio N Retamal, María F Fernádez, Betzabe Cisternas, Sebastian Mondaca, Cesar Sanchez, Hector Galindo, Bruno Nervi, Carolina Ibañez, Francisco Acevedo, Jorge Madrid, José Peña, Maria Loreto Bravo, Maria Jose Maturana, Miguel Cordova-Delgado, Diego Romero, Nathaly de la Jara, Javiera Torres, Maria Rodriguez-Fernandez, Manuel Espinoza, Carlos Balmaceda, Matías Freire, Valentina Gárate-Calderón, Fernando Crovari, Paula Jimenez-Fonseca, Alberto Carmona-Bayonas, Ariel Zwenger, Ricardo Armisen, Alejandro H Corvalan, Marcelo Garrido
Gastric cancer (GC) is the world's second-leading cause of neoplastic mortality. Genetic alterations, response to treatments, and mortality rates are highly heterogeneous across different regions. Within Latin America, GC is the leading cause of cancer death in Chile, affecting 17.6 per 100,000 people and causing >3000 deaths/y. Clinical outcomes and response to "one size fits all" therapies are highly heterogeneous and thus a better stratification of patients may aid cancer treatment and response...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29605555/randomized-controlled-trial-ppi-based-triple-therapy-containing-metronidazole-versus-clarithromycin-as-first-line-treatment-for-helicobacter-pylori-in-adolescents-and-young-adults-in-japan
#7
Katushiro Mabe, Masumi Okuda, Shogo Kikuchi, Kenji Amagai, Rie Yoshimura, Mototsugu Kato, Naoya Sakamoto, Masahiro Asaka
BACKGROUND/AIMS: Treating Helicobacter pylori infection in young people is effective for preventing gastric cancer. This study compares the efficacy of triple therapies in adolescents and young adults in Japan. METHODS: This multicenter, randomized trial was conducted between February 2012 and March 2015. Infected participants were stratified into adolescents (13-19 years) and young adults (20-39 years). They were randomly assigned to a clarithromycin based (PAC) or metronidazole based (PAM) triple therapy for 1 week...
March 28, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29562150/helicobacter-pylori-treatment-for-gastric-cancer-prevention
#8
EDITORIAL
Peter Malfertheiner
No abstract text is available yet for this article.
March 22, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29562147/helicobacter-pylori-therapy-for-the-prevention-of-metachronous-gastric-cancer
#9
RANDOMIZED CONTROLLED TRIAL
Il Ju Choi, Myeong-Cherl Kook, Young-Il Kim, Soo-Jeong Cho, Jong Yeul Lee, Chan Gyoo Kim, Boram Park, Byung-Ho Nam
BACKGROUND: Patients with early gastric cancers that are limited to gastric mucosa or submucosa usually have an advanced loss of mucosal glandular tissue (glandular atrophy) and are at high risk for subsequent (metachronous) development of new gastric cancer. The long-term effects of treatment to eradicate Helicobacter pylori on histologic improvement and the prevention of metachronous gastric cancer remain unclear. METHODS: In this prospective, double-blind, placebo-controlled, randomized trial, we assigned 470 patients who had undergone endoscopic resection of early gastric cancer or high-grade adenoma to receive either H...
March 22, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29558443/the-complex-interplay-between-chronic-inflammation-the-microbiome-and-cancer-understanding-disease-progression-and-what-we-can-do-to-prevent-it
#10
REVIEW
Heather Armstrong, Michael Bording-Jorgensen, Stephanie Dijk, Eytan Wine
Cancer is a multifaceted condition, in which a senescent cell begins dividing in an irregular manner due to various factors such as DNA damage, growth factors and inflammation. Inflammation is not typically discussed as carcinogenic; however, a significant percentage of cancers arise from chronic microbial infections and damage brought on by chronic inflammation. A hallmark cancer-inducing microbe is Helicobacter pylori and its causation of peptic ulcers and potentially gastric cancer. This review discusses the recent developments in understanding microbes in health and disease and their potential role in the progression of cancer...
March 20, 2018: Cancers
https://www.readbyqxmd.com/read/29488678/monotherapy-with-a-novel-intervenolin-derivative-as-1934-is-an-effective-treatment-for-helicobacter-pylori-infection
#11
Tomokazu Ohishi, Tohru Masuda, Hikaru Abe, Chigusa Hayashi, Hayamitsu Adachi, Shun-Ichi Ohba, Masayuki Igarashi, Takumi Watanabe, Hitomi Mimuro, Eri Amalia, Daniel Ken Inaoka, Kota Mochizuki, Kiyoshi Kita, Masakatsu Shibasaki, Manabu Kawada
BACKGROUND: Helicobacter pylori (H. pylori) infection causes various gastrointestinal diseases including gastric cancer. Hence, eradication of this infection could prevent these diseases. The most popular first-line treatment protocol to eradicate H. pylori is termed "triple therapy" and consists of a proton pump inhibitor (PPI), clarithromycin, and amoxicillin or metronidazole. However, the antibiotics used to treat H. pylori infection are hindered by the antibiotics-resistant bacteria and by their antimicrobial activity against intestinal bacteria, leading to side effects...
April 2018: Helicobacter
https://www.readbyqxmd.com/read/29488609/ebselen-suppresses-inflammation-induced-by-helicobacter-pylori-lipopolysaccharide-via-the-p38-mitogen-activated-protein-kinase-signaling-pathway
#12
Ling Xu, Changguo Gong, Guangming Li, Jue Wei, Ting Wang, Wenying Meng, Min Shi, Yugang Wang
Ebselen is a seleno-organic compound that has been demonstrated to have antioxidant and anti-inflammatory properties. A previous study determined that ebselen inhibits airway inflammation induced by inhalational lipopolysaccharide (LPS), however, the underlying molecular mechanism remains to be elucidated. The present study investigated the effect of ebselen on the glutathione peroxidase (GPX)‑reactive oxygen species (ROS) pathway and interleukin‑8 (IL‑8) expression induced by Helicobacter pylori LPS in gastric cancer (GC) cells...
May 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29460136/development-and-assessment-of-a-helicobacter-pylori-medication-adherence-and-stomach-cancer-prevention-curriculum-for-a-chinese-american-immigrant-population
#13
Simona C Kwon, Julie A Kranick, Nassira Bougrab, Janet Pan, Renee Williams, Guillermo Ignacio Perez-Perez, Chau Trinh-Shevrin
Chinese American immigrants are at increased risk for Helicobacter pylori infection and stomach cancer. Despite their increased risk, very few prevention strategies exist which target this vulnerable population. The purpose of this article is to present the stakeholder engaged development, review, assessment, refinement, and finalization of a H. pylori treatment adherence and stomach cancer prevention curriculum specifically designed to engage vulnerable, limited English proficient Chinese Americans in New York City...
February 19, 2018: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29458240/benign-and-malignant-gastroduodenal-diseases-associated-with-helicobacter-pylori-a-narrative-review-and-personal-remarks-in-2018
#14
György M Buzás
The subject of Helicobacter pylori continues to elicit worldwide interest in many research fields. Epidemiological data suggest that the prevalence of the infection is decreasing in Western/developed countries and even in some developing regions, but this is masked by the high prevalence in the most populous regions. Chronic gastritis, caused invariably by the bacterium, was again classified in Kyoto and Helicobacter pylori-associated gastritis was included as a distinct entity. The prevalence of peptic ulcers is decreasing, but bleeding ulcers are a challenging problem, with stable mortality levels even in the endoscopic era...
February 19, 2018: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/29445300/gastric-cancer-epidemiology-prevention-classification-and-treatment
#15
REVIEW
Robert Sitarz, Małgorzata Skierucha, Jerzy Mielko, G Johan A Offerhaus, Ryszard Maciejewski, Wojciech P Polkowski
Gastric cancer is the second most common cause of cancer-related deaths in the world, the epidemiology of which has changed within last decades. A trend of steady decline in gastric cancer incidence rates is the effect of the increased standards of hygiene, conscious nutrition, and Helicobacter pylori eradication, which together constitute primary prevention. Avoidance of gastric cancer remains a priority. However, patients with higher risk should be screened for early detection and chemoprevention. Surgical resection enhanced by standardized lymphadenectomy remains the gold standard in gastric cancer therapy...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29410309/gastroprotective-effects-of-hwanglyeonhaedok-tang-against-helicobacter-pylori-induced-gastric-cell-injury
#16
Hee-Seon Park, Charith U B Wijerathne, Hye-Yun Jeong, Chang-Seob Seo, Hyekyung Ha, Hyo-Jung Kwun
ETHNOPHARMACOLOGICAL RELEVANCE: Helicobacter pylori, which is found in the stomachs of approximately half of the world's population, has been associated with the development of chronic gastritis and gastric cancer. Hwanglyeonhaedok-tang (HHT) is a popular traditional medicine for the therapies of gastric ulcers and gastritis. AIM OF THE STUDY: The emerging resistance of H. pylori to antibiotics arouses requirement on alternative nonantibiotic-based therapies. In the present study, we investigated the anti-inflammatory activity and anti-microbial activity of HHT against H...
April 24, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29251014/amaranth-oil-reduces-accumulation-of-4-hydroxynonenal-histidine-adducts-in-gastric-mucosa-and-improves-heart-rate-variability-in-duodenal-peptic-ulcer-patients-undergoing-helicobacter-pylori-eradication
#17
Andriy Cherkas, Kamelija Zarkovic, Ana Cipak Gasparovic, Morana Jaganjac, Lidija Milkovic, Orest Abrahamovych, Ostap Yatskevych, Georg Waeg, Olha Yelisyeyeva, Neven Zarkovic
Helicobacter pylori-induced oxidative stress in gastric mucosa (GM) is a milieu for the development of chronic gastritis, duodenal peptic ulcer (DPU), gastric cancer, and a number of extragastric diseases. Because our previous study revealed the accumulation of the protein adducts of lipid peroxidation product 4-hydroxynonenal (HNE) in GM, which persists after eradication of H. pylori, the aim of the study was to test whether Amaranth oil supplementation in addition to standard anti-Helicobacter treatment could prevent such accumulation of HNE in GM in H...
February 2018: Free Radical Research
https://www.readbyqxmd.com/read/29110085/safety-of-first-line-triple-therapy-with-a-potassium-competitive-acid-blocker-for-helicobacter-pylori-eradication-in-children
#18
Chika Kusano, Takuji Gotoda, Sho Suzuki, Hisatomo Ikehara, Mitsuhiko Moriyama
BACKGROUND: Helicobacter pylori infection is a risk factor for gastric cancer, and it has been reported that eradication of H. pylori is effective for preventing such cancer. Recently, H. pylori eradication has been performed in children as first-line therapy against gastric cancer. Here, we report use of triple therapy with a potassium-competitive acid blocker (P-CAB) for H. pylori eradication in children. METHODS: H. pylori infection testing and eradication therapy began in fiscal year 2015 in junior high school students located in Yurihonjo city and Nikaho city, Akita prefecture, Japan...
June 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28970547/ginsenosides-rb3-and-rd-reduce-polyps-formation-while-reinstate-the-dysbiotic-gut-microbiota-and-the-intestinal-microenvironment-in-apc-min-mice
#19
Guoxin Huang, Imran Khan, Xiaoang Li, Lei Chen, Waikit Leong, Leung Tsun Ho, W L Wendy Hsiao
Studies showed that manipulation of gut microbiota (GM) composition through the treatment of prebiotics could be a novel preventive measure against colorectal cancer (CRC) development. In this study, for the first time, we assessed the non-toxic doses of the triterpene saponins (ginsenoside-Rb3 and ginsenoside-Rd) - as prebiotics - that effectively reinstated the dysbiotic-gut microbial composition and intestinal microenvironment in an Apc(Min/+) mice model. Rb3 and Rd effectively reduced the size and the number of the polyps that accompanied with the downregulation of oncogenic signaling molecules (iNOS, STAT3/pSTAT3, Src/pSrc)...
October 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28969123/prevalence-of-specific-helicobacter-pyloricaga-vaca-icea-urec-genotypes-and-its-clinical-relevance-in-the-patients-with-acid-peptic-diseases
#20
Himani Bhardwaj Pandya, Harihar Hardas Agravat, Jagdish Shantilal Patel
INTRODUCTION: Virulent markers of H. pylori, the vacuolating cytotoxin (vacA), cytotoxin-associated gene A (cagA), induced by contact with epithelium factor antigen (iceA gene) and the urease C gene (ureC) may plays a major role in determining the clinical outcome of Helicobacter infections. AIM: To detect the prevalence of the cagA, vacA, ureC and iceA genotypes of H. pylori from antral biopsy specimens of patients and to associate its role in specific disease...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
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