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https://www.readbyqxmd.com/read/29158964/ginsenoside-rk1-bioactivity-a-systematic-review
#1
Abdelrahman Elshafay, Ngo Xuan Tinh, Samar Salman, Yara Saber Shaheen, Eman Bashir Othman, Mohamed Tamer Elhady, Aswin Ratna Kansakar, Linh Tran, Le Van, Kenji Hirayama, Nguyen Tien Huy
Ginsenoside Rk1 (G-Rk1) is a unique component created by processing the ginseng plant (mainly Sung Ginseng (SG)) at high temperatures. The aim of our study was to systematically review the pharmacological effects of G-Rk1. We utilized and manually searched eight databases to select in vivo and in vitro original studies that provided information about biological, pharmaceutical effects of G-Rk1 and were published up to July 2017 with no restriction on language or study design. Out of the 156 papers identified, we retrieved 28 eligible papers in the first skimming phase of research...
2017: PeerJ
https://www.readbyqxmd.com/read/29158693/adenocarcinoma-arising-from-a-gastric-duplication-cyst-a-case-report-and-literature-review
#2
Maheeba Abdulla Mohamed Abdulla, Mahmood Al Saeed, Safa Ameer Alshaikh, Umesh J Nabar
Introduction: Alimentary tract cystic duplication is a rare congenital anomaly predominantly affecting females, and diagnosed mostly in the early years of life. Case report: We present here a case of a 51-year-old man presenting with a 2-day history of melena. Gastroscopy showed fresh blood, as well as a mass lesion and cavity at the fundus. Biopsies of the mass edge reported the occurrence of moderately differentiated adenocarcinoma and mild chronic gastritis. Computed tomography imaging showed a 5...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/29156791/the-relationship-between-stromal-cell-derived-sparc-in-human-gastric-cancer-tissue-and-its-clinicopathologic-significance
#3
Yi Gao, Shui-Ping Yin, Xu-Shi Xie, Dan-Dan Xu, Wei-Dong Du
Background: We aimed to investigate the cellular source of secreted protein acidic and rich in cysteine (SPARC) in gastric cancer tissues and the relationship between SPARC expression and its prognostic significance. Methods: The expression of SPARC in 365 primary advanced gastric adenocarcinomas and 39 non-cancerous tissues was evaluated by immunohistochemical staining. Double-immunofluorescence staining was used to reveal the cellular source of SPARC in tumor tissues...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156686/crosstalk-between-mismatch-repair-and-base-excision-repair-in-human-gastric-cancer
#4
Valeria Simonelli, Giuseppe Leuzzi, Giorgia Basile, Mariarosaria D'Errico, Paola Fortini, Annapaola Franchitto, Valentina Viti, Ashley R Brown, Eleonora Parlanti, Barbara Pascucci, Domenico Palli, Alessandro Giuliani, Fabio Palombo, Robert W Sobol, Eugenia Dogliotti
DNA repair gene expression in a set of gastric cancers suggested an inverse association between the expression of the mismatch repair (MMR) gene MLH1 and that of the base excision repair (BER) gene DNA polymerase β (Polβ). To gain insight into possible crosstalk of these two repair pathways in cancer, we analysed human gastric adenocarcinoma AGS cells over-expressing Polβ or Polβ active site mutants, alone or in combination with MLH1 silencing. Next, we investigated the cellular response to the alkylating agent methyl methanesulfonate (MMS) and the purine analogue 6-thioguanine (6-TG), agents that induce lesions that are substrates for BER and/or MMR...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155521/gastric-adenocarcinoma-with-neuroendocrine-differentiation-clinicopathological-features-and-efficacy-of-modified-dcf-chemotherapy
#5
Yakup Bozkaya, Nuriye Ozdemir, Aysel Colak, Nurullah Zengin
PURPOSE: The aim of this study was to investigate the clinicopathological characteristics of patients with gastric carcinoma with neuroendocrine differentiation (NEDGC) and the efficacy of the modified DCF (mDCF) chemotherapy regimen. METHODS: Patients with NEDGC and non-NEDGC (pure adenocarcinoma) were evaluated comparatively in terms of pathological parameters, clinical parameters and treatment efficacy. Patients received treatment with mDCF (docetaxel, cisplatin and 5-fluorouracil)...
July 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29155082/association-of-gastric-intestinal-metaplasia-and-east-asian-ethnicity-with-the-risk-of-gastric-adenocarcinoma-in-a-u-s-population
#6
Alyssa Y Choi, Lisa L Strate, Matthew C Fix, Rodney A Schmidt, Alexander R Ende, Matthew M Yeh, John M Inadomi, Joo Ha Hwang
BACKGROUND AND AIMS: Although the incidence of gastric cancer is higher than esophageal cancer in the United States, no screening or surveillance guidelines exist. The aim of this study is to evaluate the association between gastric intestinal metaplasia and the risk of gastric cancer in a U.S. tertiary care system with a large immigrant population. METHODS: This is a retrospective case-control study with cases of biopsy-proven gastric cancer matched (by age and gender) to controls without gastric cancer who had undergone EGD...
November 16, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29152991/four-synchronous-primary-cancers-of-the-aerodigestive-tract-and-thyroid
#7
Yanqing Wang, Abdillah Nassor Juma, Yun Chen, Xiong Peng, Yuan Zhou, Zhuang Wei
We report the case of a 60-year-old man with 4 concurrent primary cancers: thyroid papillary carcinoma, esophageal squamous cell carcinoma, lung adenocarcinoma, gastric stromal tumor, and nodular goiter. A minimally invasive McKeown esophagectomy with 3-field lymph node resection played a major role in the diagnosis and resection of all primary tumors in the same sitting. Multiorgan primary cancers are not uncommon but pose challenges in diagnosis and treatment. The mechanism of development is unknown but exposure to the same carcinogens in multiple organs has been implicated...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29152066/identification-and-validation-of-fgfr2-peptide-for-detection-of-early-barrett-s-neoplasia
#8
Juan Zhou, Lei He, Zhijun Pang, Henry D Appelman, Rork Kuick, David G Beer, Meng Li, Thomas D Wang
The incidence of esophageal adenocarcinoma (EAC) is rising rapidly, and early detection within the precursor state of Barrett's esophagus (BE) is challenged by flat premalignant lesions that are difficult detect with conventional endoscopic surveillance. Overexpression of cell surface fibroblast growth factor receptor 2 (FGFR2) is an early event in progression of BE to EAC, and is a promising imaging target. We used phage display to identify the peptide SRRPASFRTARE that binds specifically to the extracellular domain of FGFR2...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151938/comparison-of-her2-and-lauren-classification-between-biopsy-and-surgical-resection-samples-primary-and-metastatic-samples-of-gastric-cancer
#9
Miao-Zhen Qiu, Si-Mei Shi, Min Chen, Jing Wang, Qi-Nian Wu, Hui Sheng, Hui-Zhong Zhang, Jing-Ping Yun, Zhi-Wei Zhou, Feng-Hua Wang, Da-Jun Yang, Rui-Hua Xu
Purpose: Patients with advanced or metastatic adenocarcinoma of the stomach or esophagogastric junction for whom trastuzumab therapy is being considered, assessment for tumor human epidermal growth factor receptor-2 (HER2) status is necessary. Can the HER2 status and Lauren classification of the biopsy sample truly represent the HER2 status in the gastric cancer? Methods: Formalin-fixed, paraffin-embedded sections of 116 pair surgically resected and biopsy specimens as well as 80 pair primary and metastatic lesions of gastric cancer patients were analyzed...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151285/-afp-producing-gastric-cancer-and-hepatoid-gastric-cancer
#10
Y K Wang, X T Zhang
AFP-producing gastric cancer(AFPGC) and hepatoid adenocarcinoma of the stomach (HAS) are two special subtypes of gastric cancer. There are both correlation and difference between them. AFPGC is usually identified as primary gastric cancer with serum AFP level more than 20 ng/ml or showed AFP positive staining by immunohistochemistry. The diagnosis of HAS is mainly dependent on the pathological character of hepatocellular carcinoma-like differentiation of gastric cancer. The morbidity of AFPGC and HAS are rather low, especially the incidence of HAS is about 1%...
November 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29149865/cytoreductive-surgery-and-hyperthermic-intra-operative-peritoneal-chemotherapy-with-cisplatin-for-gastric-peritoneal-carcinomatosis-monocentric-phase-2-nonrandomized-prospective-clinical-trial
#11
Baki Topal, Karel Demey, Halit Topal, Joris Jaekers, Eric Van Cutsem, Vincent Vandecaveye, Xavier Sagaert, Hans Prenen
BACKGROUND: Cytoreductive surgery (CRS) plus hyperthermic intra-operative peritoneal chemotherapy (HIPC) for gastric peritoneal carcinomatosis (PC) is controversial, and selection criteria for this treatment modality are lacking. METHODS: Thirty-two patients (F/M ratio 12/20; median (range) age 58 (32-75) years) underwent CRS + HIPC with cisplatin for PC from gastric adenocarcinoma in 2010-2014. This monocentric phase-2 nonrandomized prospective study with a power of 90% aimed to improve the 1-year overall survival (OS) rate with 40% (historical reference of 52% to 72%)...
November 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29149107/treponema-denticola-chymotrypsin-like-proteinase-may-contribute-to-orodigestive-carcinogenesis-through-immunomodulation
#12
Mikko T Nieminen, Dyah Listyarifah, Jaana Hagström, Caj Haglund, Daniel Grenier, Dan Nordström, Veli-Jukka Uitto, Marcela Hernandez, Tülay Yucel-Lindberg, Taina Tervahartiala, Mari Ainola, Timo Sorsa
BACKGROUND: Periodontal pathogens have been linked to oral and gastrointestinal (orodigestive) carcinogenesis. However, the exact mechanisms remain unknown. Treponema denticola (Td) is associated with severe periodontitis, a chronic inflammatory disease leading to tooth loss. The anaerobic spirochete Td is an invasive bacteria due to its major virulence factor chymotrypsin-like proteinase. Here we aimed to investigate the presence of Td chymotrypsin-like proteinase (Td-CTLP) in major orodigestive tumours and to elucidate potential mechanisms for Td to contribute to carcinogenesis...
November 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29147491/augmented-expression-levels-of-lncrnas-eccebpa-and-uca1-in-gastric-cancer-tissues-and-their-clinical-significance
#13
Mojdeh Nasrollahzadeh-Khakiani, Modjtaba Emadi-Baygi, Parvaneh Nikpour
Objectives: As the second cause of cancer death, gastric cancer (GC) is one of the eminent dilemmas all over the world, therefore investigating the molecular mechanisms involved in this cancer is pivotal. Unrestricted proliferation is one of the characteristics of cancerous cells, which is due to deficiency in cell regulatory systems. Long non-coding RNAs (lncRNAs) have emerged as critical regulators of the epigenome. lncRNA extra coding CEBPA (ecCEBPA) is involved in DNA methylation...
October 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29143337/intraductal-papillary-mucinous-neoplasm-of-the-pancreas-rapidly-xenografts-in-chicken-eggs-and-predicts-aggressiveness
#14
Zhefu Zhao, Nathalie Bauer, Ewa Aleksandrowicz, Libo Yin, Jury Gladkich, Wolfgang Gross, Jörg Kaiser, Thilo Hackert, Oliver Strobel, Ingrid Herr
Intraductal papillary mucinous neoplasm (IPMN) of the pancreas has a high risk of progressing to invasive pancreatic ductal adenocarcinoma (PDA), but experimental models for IPMN are largely missing. New experimental systems for the molecular characterization of IPMN and for personalized prognosis and treatment options for IPMN are urgently needed. We analyzed the potential use of fertilized chicken eggs for the culture of freshly resected IPMN tissue. We transplanted 49 freshly resected IPMN tissues into eggs and compared the growth characteristics to IPMN tissues transplanted into mice; this was followed by an analysis of histology, morphology and marker expression...
November 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29142476/clinical-and-pathological-characterization-of-epstein-barr-virus-associated-gastric-carcinomas-in-portugal
#15
Joana Ribeiro, Andreia Oliveira, Mariana Malta, Claudia Oliveira, Fernanda Silva, Ana Galaghar, Luís Pedro Afonso, Maria Cassiano Neves, Rui Medeiros, Pedro Pimentel-Nunes, Hugo Sousa
AIM: To determine the prevalence of Epstein-Barr virus (EBV)-associated gastric carcinomas in the North Region of Portugal and to study its clinicopathological characteristics. METHODS: We have performed a retrospective study including a total of 179 consecutive patients with gastric cancer (GC) submitted to gastrectomy during 2011 at the Portuguese Oncology Institute of Porto. Clinical and pathological data was collected from individual clinical records and inserted on a database with unique codification...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29141268/gastric-adenocarcinoma-and-proximal-polyposis-of-the-stomach-gapps-a-rare-recently-described-gastric-polyposis-syndrome-report-of-a-case
#16
Andrea Beer, Berthold Streubel, Reza Asari, Clemens Dejaco, Georg Oberhuber
In rare cases with multiple gastric polyps in the corpus and fundus, a recently described gastric polyposis syndrome called gastric adenocarcinoma and proximal polyposis of the stomach (GAPPS) has to be considered. We report on the findings in a patient fulfilling the criteria of this disease.A female patient born in 1977 underwent gastroscopy in 2005 due to recurrent abdominal pain. Endoscopy revealed more than 100 fundic gland polyps in the corpus and fundus. An ileocolonoscopy was inconspicuous. The patient did not take proton pump inhibitors...
November 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29139048/high-adherence-to-the-western-prudent-and-mediterranean-dietary-patterns-and-risk-of-gastric-adenocarcinoma-mcc-spain-study
#17
Adela Castelló, Nerea Fernández de Larrea, Vicente Martín, Verónica Dávila-Batista, Elena Boldo, Marcela Guevara, Víctor Moreno, Gemma Castaño-Vinyals, Inés Gómez-Acebo, Guillermo Fernández-Tardón, Rosana Peiró, Rocío Olmedo-Requena, Rocio Capelo, Carmen Navarro, Silvino Pacho-Valbuena, Beatriz Pérez-Gómez, Manolis Kogevinas, Marina Pollán, Nuria Aragonés
BACKGROUND: The influence of dietary habits on the development of gastric adenocarcinoma is not clear. The objective of the present study was to explore the association of three previously identified dietary patterns with gastric adenocarcinoma by sex, age, cancer site, and morphology. METHODS: MCC-Spain is a multicase-control study that included 295 incident cases of gastric adenocarcinoma and 3040 controls. The association of the Western, Prudent, and Mediterranean dietary patterns-derived in another Spanish case-control study-with gastric adenocarcinoma was assessed using multivariable logistic regression models with random province-specific intercepts and considering a possible interaction with sex and age...
November 14, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29138864/expression-level-of-microrna-200c-is-associated-with-cell-morphology-in-vitro-and-histological-differentiation-through-regulation-of-zeb1-2-and-e-cadherin-in-gastric-carcinoma
#18
Atsushi Kurata, Masatoshi Yamada, Shin-Ichiro Ohno, Shigeru Inoue, Hirotsugu Hashimoto, Koji Fujita, Masakatsu Takanashi, Masahiko Kuroda
Scirrhous type gastric cancer is characterized by diffuse infiltration of poorly differentiated adenocarcinoma cells and poor prognosis. Although association of poorly differentiated histology with reduction in E-cadherin expression, as well as association of microRNA (miR)-200c with E-cadherin through regulation of ZEB1/2, has been reported, participation of miR-200c in gastric carcinogenesis is not fully understood. We used 6 cell lines originating from gastric cancers, and investigated levels of miR-200c along with its target mRNAs ZEB1/2 and E-cadherin by qRT-PCR...
November 10, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138842/placenta-specific-protein-1-promotes-cell-proliferation-and-invasion-in-non-small-cell-lung-cancer
#19
Li Yang, Tian-Qi Zha, Xiang He, Liang Chen, Quan Zhu, Wei-Bing Wu, Feng-Qi Nie, Qian Wang, Chong-Shuang Zang, Mei-Ling Zhang, Jing He, Wei Li, Wen Jiang, Kai-Hua Lu
Pulmonary carcinoma-associated proteins have emerged as crucial players in governing fundamental biological processes such as cell proliferation, apoptosis and metastasis in human cancers. Placenta-specific protein 1 (PLAC1) is a cancer-related protein, which is activated and upregulated in a variety of malignant tissues, including prostate cancer, gastric adenocarcinoma, colorectal, epithelial ovarian and breast cancer. However, its biological role and clinical significance in non-small cell lung cancer (NSCLC) development and progression are still unknown...
November 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138285/expression-and-prognostic-significance-of-human-epidermal-growth-factor-receptors-1-2-and-3-in-oesophageal-and-gastric-adenocarcinomas-preneoadjuvant-and-postneoadjuvant-treatment
#20
Charlotta Hedner, David Borg, Björn Nodin, Emelie Karnevi, Karin Jirström, Jakob Eberhard
AIMS: Neoadjuvant treatment has now become the standard of care for oesophageal and gastric cancer. The aim of this study was to investigate the influence of neoadjuvant therapy on the expression of human epidermal growth factor receptor 1 (HER1/EGFR), HER2 and HER3, in oesophageal and gastric adenocarcinoma. METHODS: Immunohistochemical expression of EGFR, HER2 and HER3 was examined and compared in pretreatment biopsies, post-treatment surgical resection specimens and metastases in a retrospective cohort of 166 patients with adenocarcinoma of the oesophagus or stomach...
November 14, 2017: Journal of Clinical Pathology
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