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https://www.readbyqxmd.com/read/29453635/monitoring-of-erlotinib-in-pancreatic-cancer-patients-during-long-time-administration-and-comparison-to-a-physiologically-based-pharmacokinetic-model
#1
Andrea Gruber, Martin Czejka, Philipp Buchner, Marie Kitzmueller, Nairi Kirchbaumer Baroian, Christian Dittrich, Azra Sahmanovic Hrgovcic
PURPOSE: In this study, a therapeutic drug monitoring (TDM) of erlotinib in pancreatic cancer patients was performed over 50 weeks to reveal possible alterations in erlotinib plasma concentrations. Additionally, a physiologically based pharmacokinetic (PBPK) model was created to assess such variations in silico. METHODS: Patients with advanced pancreatic cancer received a chemotherapeutic combination of 100 mg erlotinib q.d., 500-900 mg capecitabine b.d. and 5 mg/kg bevacizumab q...
February 16, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29453320/methylation-of-the-hoxa10-promoter-directs-mir-196b-5p-dependent-cell-proliferation-and-invasion-of-gastric-cancer-cells
#2
Linlin Shao, Zheng Chen, Dunfa Peng, Mohammed Soutto, Shoumin Zhu, Andreia Bates, Shutian Zhang, Wael El-Rifai
The cross-talk between epigenetics and miRNA expression plays an important role in human tumorigenesis. Herein, we investigated the regulation and role of miR-196b-5p in gastric cancer. Using quantitative real-time RT-PCR, we demonstrate that miR-196b-5p is significantly overexpressed in human gastric cancer tissues (P<0.01). In addition, we also found that HOXA10, the host gene for miR-196b-5p, is overexpressed and positively correlated with miR-196b-5p expression levels (P<0.001). Quantitative pyrosequencing methylation analysis of HOXA10 promoter, demonstrated significantly lower levels of promoter DNA methylation of HOXA10 in gastric cancer samples, as compared to normal gastric mucosa samples (non-tumor control)...
February 16, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29453233/distinct-chemopreventive-effects-of-aspirin-in-diffuse-and-intestinal-type-gastric-cancer
#3
Ryota Niikura, Yoku Hayakawa, Yoshihiro Hirata, Mitsuru Konishi, Nobumi Suzuki, Sozaburo Ihara, Atsuo Yamada, Tetsuo Ushiku, Mitsuhiro Fujishiro, Masashi Fukayama, Kazuhiko Koike
INTRODUCTION: Although aspirin/NSAIDs may have potential preventive effects on several cancers, it remains unclear on gastric cancer. The purpose of this study was to compare the risk of developing gastric cancer and the histological changes of intestinal metaplasia and neutrophil infiltration, between aspirin/NSAIDs users and non-users. METHODS: Using an electronic endoscopy database in two hospitals from 1996 to 2017, we analyzed the data from patients with chronic gastritis who received aspirin or NSAIDs prior to upper gastrointestinal endoscopy...
February 16, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29453165/endoscopic-submucosal-dissection-for-the-diagnosis-and-therapy-of-pedunculated-gastric-cancer-with-prolapse-into-the-duodenal-bulb-a-case-report
#4
Norihiko Suzuki, Masashi Yoshida, Hironori Ohdaira, Tomonori Imakita, Nobuhiro Tsutsui, Yasunobu Kobayashi, Junji Takahashi, Shinya Okada, Masaki Kitajima, Yutaka Suzuki
INTRODUCTION: Preoperative diagnosis of gastric cancer invasion is not always sufficiently accurate. Diagnostic endoscopic submucosal dissection (ESD) can be performed for the purpose of accurate decision making and to avoid partial treatment vs aggressive over-treatment. We present a patient with the gastric cancer with indeterminate pre-operative diagnosis for depth of the invasion. CASE PRESENTATION: A 70-year-old man presented at our hospital because both anti-Helicobacter pylori (Hp) IGG antibody and serum pepsinogen (PG) levels were classified as positive...
February 9, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29453032/impact-of-metformin-on-gastric-adenocarcinoma-survival-a-belgian-population-based-study
#5
Olivia Lacroix, Alexandra Couttenier, Evelien Vaes, Chris R Cardwell, Harlinde De Schutter, Annie Robert
BACKGROUND: Preclinical studies have shown anticancer activities of metformin in gastric cancer and a recent epidemiological study showed a decrease in recurrence and mortality of gastric cancer in metformin users. This study aimed to assess the impact of metformin on gastric cancer survival in diabetic patients at a Belgian population level. METHODS: We conducted an observational, population-based study by linking data of the Belgian Cancer Registry with medical claims data coming from the health insurance companies for patients diagnosed with stage I to III gastric adenocarcinoma between 2006 and 2012...
February 13, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29452856/generalized-cardiovascular-disease-on-a-preoperative-ct-scan-is-predictive-for-anastomotic-leakage-after-esophagectomy
#6
Alicia S Borggreve, Lucas Goense, Peter S N van Rossum, Richard van Hillegersberg, Pim A de Jong, Jelle P Ruurda
BACKGROUND: Recent studies demonstrated that calcification of arteries supplying the gastric tube is associated with anastomotic leakage after esophagectomy. However, it remains unclear whether this association only derives from local flow limitations, or generalized vascular disease as well. The purpose of this study was to determine whether calcification throughout the entire cardiovascular system is associated with anastomotic leakage. METHODS: Consecutive patients who underwent an esophagectomy with gastric tube reconstruction and cervical anastomosis for esophageal cancer were analyzed...
February 2, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29452293/genetic-diversity-and-functional-analysis-of-oipa-gene-in-association-with-other-virulence-factors-among-helicobacter-pylori-isolates-from-iranian-patients-with-different-gastric-diseases
#7
Nastaran Farzi, Abbas Yadegar, Hamid Asadzadeh Aghdaei, Yoshio Yamaoka, Mohammad Reza Zali
Helicobacter pylori (H. pylori) is one of the most genetically diverse bacterial pathogens that persistently colonizes the human gastric epithelium. This remarkable genomic plasticity may act as a driving force for successful adaptation and persistence of the bacteria in the harsh gastric environment. Outer inflammatory protein A (OipA) encoded by oipA gene (HP0638/hopH) is a member of the outer membrane proteins (OMPs) of H. pylori involved in induction of IL-8 secretion and is associated with development of peptic ulcer and gastric cancer...
February 13, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29451701/phase-1b-study-of-pasireotide-everolimus-and-selective-internal-radioembolization-therapy-for-unresectable-neuroendocrine-tumors-with-hepatic-metastases
#8
Hyun S Kim, Walid L Shaib, Chao Zhang, Ganji Purnachandra Nagaraju, Christina Wu, Olatunji B Alese, Zhengjia Chen, Edith Brutcher, Meredith Renfroe, Bassel F El-Rayes
BACKGROUND: Neuroendocrine tumors (NETs) metastasize to the liver. Everolimus and selective internal radioembolization (SIRT) are approved treatments. Pasireotide is a somatostatin analogue with an affinity for somatostatin receptors 1, 2, 3, and 5. Everolimus and pasireotide may potentiate SIRT radiosensitization and inhibit rebound angiogenesis. This study evaluated the safety of pasireotide, everolimus, and SIRT. METHODS: This 3 + 3 phase 1 trial evaluated 3 dose levels of everolimus (2...
February 16, 2018: Cancer
https://www.readbyqxmd.com/read/29451172/a-case-of-gastric-wall-implantation-caused-by-eus-fna-22-months-after-pancreatic-cancer-resection
#9
Makiko Yasumoto, Yoshinobu Okabe, Hiroto Ishikawa, Jyunya Kisaki, Jun Akiba, Yoshiki Naito, Yusuke Ishida, Tomoyuki Ushijima, Osamu Tsuruta, Takuji Torimura
No abstract text is available yet for this article.
January 2018: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/29451145/patients-administered-neoadjuvant-chemotherapy-could-be-enrolled-into-an-enhanced-recovery-after-surgery-program-for-locally-advanced-gastric-cancer
#10
Jian Zhao, Gang Wang, Zhi-Wei Jiang, Chuan-Wei Jiang, Jiang Liu, Can-Can Xia, Jie-Shou Li
Background: Most studies on enhanced recovery after surgery (ERAS) for gastric cancer exclude patients who received neoadjuvant chemotherapy. Here, we aimed to evaluate whether patients who received neoadjuvant chemotherapy can be enrolled into the ERAS program for locally advanced gastric cancer. Methods: From April 2015 to July 2017, 114 patients who received neoadjuvant chemotherapy for locally advanced gastric cancer were randomized into ERAS and standard care (SC) groups...
February 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29450946/down-regulation-of-lrig1-by-microrna-20a-modulates-gastric-cancer-multidrug-resistance
#11
Lin Zhou, Xiaowei Li, Fan Zhou, Zhi'an Jin, Di Chen, Pin Wang, Shu Zhang, Yuzheng Zhuge, Yulong Shang, Xiaoping Zou
Multidrug resistance (MDR) significantly restricts the clinical efficacy of gastric cancer (GC) chemotherapy, and it is critical to search novel targets to predict and overcome MDR. Leucine-rich repeats and immunoglobulin-like domains 1 (LRIG1) has been proved to be correlated with drug resistance in several cancers. The present study revealed that LRIG1 was overexpressed in chemo-sensitive GC tissues and decreased expression of LRIG1 predicted poor survival in GC patients. We observed that up-regulation of LRIG1 enhanced chemo-sensitivity in GC cells...
February 16, 2018: Cancer Science
https://www.readbyqxmd.com/read/29450755/efficacy-of-adjuvant-s-1-versus-xelox-chemotherapy-for-patients-with-gastric-cancer-after-d2-lymph-node-dissection-a-retrospective-multi-center-observational-study
#12
In-Hwan Kim, Sung-Soo Park, Chang-Min Lee, Min Chan Kim, In-Kyu Kwon, Jae-Seok Min, Hyoung-Il Kim, Han Hong Lee, Sang-Il Lee, Hyundong Chae
BACKGROUND: After curative resection of gastric cancer with D2 lymph node dissection, postoperative adjuvant chemotherapy with S-1 or capecitabine plus oxaliplatin (XELOX) is considered to be standard therapy in Eastern countries. This study aimed to compare the efficacies of adjuvant S-1 and XELOX chemotherapy for gastric cancer patients after D2 dissection based on disease-free survival (DFS). METHODS: This retrospective observational study was conducted at 29 tertiary hospitals in Korea...
February 15, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29450754/neural-invasion-is-a-significant-contributor-to-peritoneal-recurrence-in-signet-ring-cell-gastric-carcinoma
#13
Dakeun Lee, Sang-Yong Son, Young-Bae Kim, Sang-Uk Han, Hoon Hur
BACKGROUND: Gastric signet ring cell carcinoma (SRC) has shown a favorable outcome in early stages but has a worse prognosis than non-SRC in advanced stages. However, the cause for this stage-dependent prognostic impact has not been determined. This study aimed to compare clinicopathologic features and recurrence patterns between gastric SRC and non-SRC in a cohort of Eastern patients. METHODS: This study reviewed the prospectively collected data of 764 patients undergoing curative resection for gastric cancer from 2005 to 2008...
February 15, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29450656/laparoscopic-subtotal-gastrectomy-in-morbid-obese-patients-a-valid-option-to-laparoscopic-gastric-bypass-in-particular-circumstances-prospective-study
#14
Italo Braghetto, Gustavo Martinez, Owen Korn, Marcelo Zamorano, Enrique Lanzarini, Enrique Narbona
BACKGROUND: Laparoscopic Roux-en-Y Gastric Bypass (LRYGB) without resection of the distal stomach is largely performed over the world for morbid obesity. Potential risk of gastric remnant carcinoma development has been suggested. PURPOSE: To present the results obtained after LRYGB with resection of distal stomach. METHOD: This prospective study includes 400 consecutive patients. The mean body weight was 105.9 ┬▒ 16.8 Kg (range 83-145 kg), and body mass index (BMI) was 38...
February 15, 2018: Surgery Today
https://www.readbyqxmd.com/read/29450630/outermost-layer-oriented-medial-approach-for-infrapyloric-nodal-dissection-in-laparoscopic-distal-gastrectomy
#15
Susumu Shibasaki, Koichi Suda, Masaya Nakauchi, Tetsuya Nakamura, Shinichi Kadoya, Kenji Kikuchi, Kazuki Inaba, Ichiro Uyama
BACKGROUND: Based on our experience of suprapancreatic nodal dissection in laparoscopic gastrectomy, we developed an outermost layer-oriented medial approach for infrapyloric nodal dissection. The objective of this single-institution retrospective study was to determine the feasibility, safety, and reproducibility of this novel and unique dissection procedure. METHODS: This approach can be performed in the same manner as suprapancreatic nodal dissection but by replacing the left gastric artery with the right gastroepiploic artery (RGEA), the common hepatic artery with the anterior superior pancreaticoduodenal artery (ASPDA), and the splenic artery with the gastroduodenal artery...
February 15, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29450424/cd44v6-increases-gastric-cancer-malignant-phenotype-by-modulating-adipose-stromal-cell-mediated-ecm-remodeling
#16
Bianca N Louren├žo, Nora L Springer, Daniel Ferreira, Carla Oliveira, Pedro L Granja, Claudia Fischbach
CD44, an abundantly expressed adhesion molecule, and its alternative splice variants have been associated with tumorigenesis and metastasis. In the context of gastric cancer (GC), de novo expression of CD44 variant 6 (CD44v6) is found in more than 60% of GCs, but its role in the pathogenesis and progression of this type of cancer remains unclear. Using a combination of media conditioning experiments and decellularized extracellular matrices (ECMs), this study investigates the hypothesis that CD44v6 overexpression enhances tumor cell malignant behavior by modulating stromal cell-mediated ECM remodeling...
February 16, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/29449732/gastric-metastasis-from-cervix-carcer-a-case-report
#17
L De Cicco, F Crivelli, P Beretta, E Gjoni, A Merlotti, A Starace, G Marzaroli, F Pasta, T Zurleni, A Aguzzi, C Calandra, S Bracelli
Gastric metastasis by solid tumor cancer is a rare event. Concomitant metastases to other organs are frequent, so that this condition is often associated to a poor prognosis. Upper gastrointestinal bleeding and anemia are the most common presenting symptoms. We present the case of a 81 years old women previously treated for cervix carcinoma showing later a stomach metastasis. The patient is alive and disease free 39 months after salvage gastrectomy. A radical surgery in selected patients could be useful for symptom palliation and prolonged survival...
December 2017: Pathologica
https://www.readbyqxmd.com/read/29449539/g9a-promotes-gastric-cancer-metastasis-by-upregulating-itgb3-in-a-set-domain-independent-manner
#18
Lei Hu, Ming-de Zang, He-Xiao Wang, Bao-Gui Zhang, Zhen-Qiang Wang, Zhi-Yuan Fan, Huo Wu, Jian-Fang Li, Li-Ping Su, Min Yan, Zhi-Qiang Zhu, Qiu-Meng Yang, Qiang Huang, Bing-Ya Liu, Zheng-Gang Zhu
Tumor metastasis is the leading cause of death in patients with advanced gastric cancer (GC). Limited therapeutic regimens are available for this condition, which is associated with a poor prognosis, and the mechanisms underlying tumor metastasis remain unclear. In the present study, increased histone methyltransferase G9A expression in GC tissues correlated with advanced stage and shorter overall survival, and in vitro and in vivo experiments revealed that G9A promoted tumor invasion and metastasis. Moreover, we observed that Reg IV induced G9A via the p-ERK/p-SP1 pathway...
February 15, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29449512/outcomes-of-advanced-gastric-cancer-patients-treated-with-at-least-three-lines-of-systemic-chemotherapy
#19
Valentina Fanotto, Mario Uccello, Irene Pecora, Lorenza Rimassa, Francesco Leone, Gerardo Rosati, Daniele Santini, Riccardo Giampieri, Samantha Di Donato, Gianluca Tomasello, Nicola Silvestris, Filippo Pietrantonio, Francesca Battaglin, Antonio Avallone, Mario Scartozzi, Eufemia Stefania Lutrino, Davide Melisi, Lorenzo Antonuzzo, Antonio Pellegrino, Laura Ferrari, Roberto Bordonaro, Caterina Vivaldi, Lorenzo Gerratana, Silvia Bozzarelli, Roberto Filippi, Domenico Bilancia, Marco Russano, Giuseppe Aprile
No abstract text is available yet for this article.
February 2018: Oncologist
https://www.readbyqxmd.com/read/29448250/overexpression-of-lymphocyte-antigen-6-complex-locus-e-in-gastric-cancer-promotes-cancer-cell-growth-and-metastasis
#20
Yan Lv, Yu Song, Chen Ni, Shaokai Wang, Zhipeng Chen, Xiaojing Shi, Qin Jiang, Cong Cao, Yun Zuo
BACKGROUND/AIMS: Lymphocyte antigen 6 complex, locus E (LY6E) is a member of the lymphostromal cell membrane Ly6 superfamily protein. The present study investigated the clinical significance and potential biological function of LY6E in gastric cancer (GC). METHODS: LY6E mRNA and protein expressions in human GC tissues and GC cells were tested. Relationship between LY6E expression and the GC patients' clinicopathologic characteristics was analyzed. LY6E was silenced by siRNA in the cultured GC cells...
February 9, 2018: Cellular Physiology and Biochemistry
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