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https://www.readbyqxmd.com/read/28533662/cxcr7-cxcl12-axis-is-involved-in-lymph-node-and-liver-metastasis-of-gastric-carcinoma
#1
Qi Xin, Na Zhang, Hai-Bo Yu, Qin Zhang, Yan-Fen Cui, Chuan-Shan Zhang, Zhe Ma, Yan Yang, Wei Liu
AIM: To investigate the role of CXC chemokine receptor (CXCR)-7 and CXCL12 in lymph node and liver metastasis of gastric carcinoma. METHODS: In 160 cases of gastric cancer, the expression of CXCR7 and CXCL12 in tumor and matched tumor-adjacent non-cancer tissues, in the lymph nodes around the stomach and in the liver was detected using immunohistochemistry to analyze the relationship between CXCR7/CXCL12 expression and clinicopathological features and to determine whether CXCR7 and CXCL12 constitute a biological axis to promote lymph node and liver metastasis of gastric cancer...
May 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28533650/extensive-visceral-calcification-demonstrated-on-99m-tc-mdp-bone-scan-in-patient-with-carcinoma-penis-and-hypercalcemia-of-malignancy
#2
Sunny J Gandhi, Bhavdeep Rabadiya
Hypercalcemia is a common life-threatening complication associated with several malignancies. Parathyroid-related peptide has been shown to cause hypercalcemia in several solid tumors but rarely in penile cancer. We report a case of penile cancer with hypercalcemia causing metastatic visceral calcification in lungs, liver, and stomach detected on bone scan without significant abnormalities on CT scan.
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28531216/impact-of-mutations-in-toll-like-receptor-pathway-genes-on-esophageal-carcinogenesis
#3
Daffolyn Rachael Fels Elliott, Juliane Perner, Xiaodun Li, Martyn F Symmons, Brett Verstak, Matthew Eldridge, Lawrence Bower, Maria O'Donovan, Nick J Gay, Rebecca C Fitzgerald
Esophageal adenocarcinoma (EAC) develops in an inflammatory microenvironment with reduced microbial diversity, but mechanisms for these influences remain poorly characterized. We hypothesized that mutations targeting the Toll-like receptor (TLR) pathway could disrupt innate immune signaling and promote a microenvironment that favors tumorigenesis. Through interrogating whole genome sequencing data from 171 EAC patients, we showed that non-synonymous mutations collectively affect the TLR pathway in 25/171 (14...
May 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28529990/gastric-cancer-treatment-similarity-and-difference-between-china-and-korea
#4
REVIEW
Kun Yang, Jian-Kun Hu
Chinese populations have many demographic similarities to Korean populations. However, the long-term survival rates of gastric cancer patients in China are still not satisfactory when compared with Korea, especially for the advanced cases. In this article, we discuss about the similarity and difference of gastric cancer treatment in terms of screening, surgical approach, stomach resection, digestive tract reconstruction, lymphadenectomy, harvested lymph nodes, operative morbidity and mortality, postoperative chemotherapy as well as follow-up between China and Korea...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28529745/hepatoid-adenocarcinoma-of-the-lung-metastasizing-to-the-tonsil
#5
Luca Valle, Joel Thomas, Chul Kim, Eva Szabo, G Thomas Brown, Deborah Citrin, Arun Rajan
Hepatoid adenocarcinoma (HAC) is a rare tumor that typically originates in gastrointestinal tissue, such as the stomach, but can also occasionally originate in the lung. The majority of HACs express α-fetoprotein (AFP) on tumor cells, and serum AFP can be used as a marker of response to treatment or disease progression. HAC has a poor prognosis, although early diagnosis and aggressive treatment can result in long-term survival. To the best of our knowledge, this is the first reported case of HAC metastasizing to the tonsil...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28527194/biodistribution-and-excretion-of-colloidal-gold-nanoparticles-after-intravenous-injection-effects-of-particle-size
#6
Issei Takeuchi, Sho Nobata, Naoto Oiri, Keishiro Tomoda, Kimiko Makino
BACKGROUND: Inorganic gold nanoparticles (NPs) have a huge potential in targeted drug delivery. Simple preparation and surface modification procedure with their special physicochemical properties of gold NPs attract their use such as tumor targeting and the detection of cancerous cell. OBJECTIVE: Various studies were reported, however, details of biodistribution profile of gold NPs were not enough evaluated. We have studied biodistribution profile of gold NPs having various particle sizes (20, 50 and 100 nm)...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28525714/characterization-of-bitter-compounds-via-modulation-of-proton-secretion-in-human-gastric-parietal-cells-in-culture
#7
Kathrin I Liszt, Joachim Hans, Jakob P Ley, Elke Köck, Veronika Somoza
Humans perceive bitterness via around 25 different bitter receptors. Therefore, the identification of antagonists remains a complex challenge. We previously demonstrated several bitter tasting compounds such as caffeine to induce acid secretion in the stomach and in a human gastric tumor cell line (HGT-1). Here, the results of a fluorescent-based in vitro assay using HGT-1 cells and a human sensory panel testing nine selected potential bitter modulators with or without the bitter compounds caffeine or theobromine, were compared...
May 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28523325/synchronous-gastric-tumors-case-presentation
#8
Carmen NeamŢu, Bogdan Dan Totolici, Octavian Marius CreŢu, Casiana Stănescu, Andrei Ardelean, Oana Badea, George Ciprian Pribac, Mircea Ovidiu Ciobanu, GarofiŢa Olivia Mateescu, Stelian ŞtefăniŢă Mogoantă
Synchronous gastric tumors, and, especially the presence of an adenocarcinoma and gastrointestinal stromal tumors, are less frequent. We present the case of a 75-year-old patient, with no gastrointestinal pathology in the medical history, who was admitted for marked asthenia, nausea, coffee grounds vomiting, inappetence, dizziness, weight loss and periodical epigastralgias. The clinical and imagistic examinations highlighted an ulcerative, infiltrative, bleeding tumor formation, present on the anterior side and subcardially on the small curvature...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28522781/laparoscopic-gastric-resections-with-per-oral-specimen-extraction-in-treatment-of-intramural-gastric-tumors
#9
Maciej Stanek, Piotr Major, Mateusz Wierdak, Michał Pędziwiatr, Dorota Radkowiak, Anna Zychowicz, Andrzej Budzyński
AIM: The goal of this work was to present our experiences and results of treatment of gastric tumors using the per oral specimen extraction (POSE) technique. MATERIAL AND METHODS: A retrospective analysis a group of patients treated with laparoscopic stomach wedge resection of gastrointestinal stromal tumor (GIST). During that time 50 patients underwent laparoscopy due to the suspicion of GIST. In 12 patients resected material was removed endoscopically per os (POSE)...
February 28, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28522256/sporadic-early-onset-diffuse-gastric-cancers-have-high-frequency-of-somatic-cdh1-alterations-but-low-frequency-of-somatic-rhoa-mutations-compared-with-late-onset-cancers
#10
Soo Young Cho, Jun Won Park, Yang Liu, Young Soo Park, Ju Hee Kim, Hanna Yang, Hyejin Um, Woo Ri Ko, Byung Il Lee, Sun Young Kwon, Seung Wan Ryu, Chae Hwa Kwon, Do Youn Park, Jae-Hyuk Lee, Sang Il Lee, Kyu Sang Song, Hoon Hur, Sang-Uk Han, Heekyung Chang, Su-Jin Kim, Byung-Sik Kim, Jeong-Hwan Yook, Moon-Won Yoo, Beom-Su Kim, In-Seob Lee, Myeong-Cherl Kook, Nina Thiessen, An He, Chip Stewart, Andrew Dunford, Jaegil Kim, Juliann Shih, Gordon Saksena, Andrew D Cherniack, Steven Schumacher, Amaro-Taylor Weiner, Mara Rosenberg, Gad Getz, Eun Gyeong Yang, Min Hee Ryu, Adam J Bass, Hark Kyun Kim
BACKGROUND & AIMS: Early-onset gastric cancer, which develops in younger patients than most gastric cancers, is usually detected at advanced stages, has diffuse histologic features, and occurs more frequently in women. We investigated somatic genomic alterations associated with the unique characteristics of sporadic diffuse gastric cancers (DGCs) from younger patients. METHODS: We conducted whole exome and RNA sequence analyses of 80 resected DGC samples from patients 45 years old or younger in Korea...
May 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28513526/cecal-carcinoid-tumor-in-a-nigerian-man-a-case-report-and-review-of-literature
#11
O A Obateru, J A Taiwo, S Oladejo, D A Awelimobor, O O Fadaunsi, A B Olokoba
Carcinoid tumors are rare neuroendocrine tumors that have been reported in a wide range of organs but most commonly involve the gastrointestinal tract (stomach, ileum, appendix, and colon), and rarely ovary and thymus. We present a case of a 56-year-old Nigerian man with a cecal carcinoid tumor that was surgically removed. A 56-year-old Nigerian man, presented to our hospital with a year history of right-sided lower abdominal fullness, audible bowel sounds, occasional diarrhea, nausea, vomiting, and epigastric pain...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28507599/comparison-of-relapse-free-survival-in-gastric-neuroendocrine-carcinoma-who-grade-3-and-gastric-carcinoma
#12
Beom Su Kim, Young Soo Park, Jeong Hwan Yook, Byung-Sik Kim
BACKGROUND: We compared relapse-free survival (RFS) in gastric neuroendocrine carcinoma (WHO grade 3) and gastric carcinoma (GC). This is one of very few studies that compare the prognosis of poorly differentiated neuroendocrine carcinoma (WHO grade 3, G3 NEC) with that of GC. METHODS: Between 1996 and 2014, 63 patients were diagnosed with G3 NEC of the stomach and 56 with gastric neuroendocrine tumors (NETs) with GC at Asan Medical Center in Seoul, Korea. We also randomly selected 762 patients diagnosed with GC between 1999 and 2008...
May 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28507278/regulation-of-cd44v6-expression-in-gastric-carcinoma-by-the-il-6-stat3-signaling-pathway-and-its-clinical-significance
#13
Yuan-Yuan Xu, Ming Guo, Liu-Qing Yang, Fan Zhou, Cao Yu, Aixiu Wang, Tao-Hong Pang, Hong-Yan Wu, Xiao-Ping Zou, Wei-Jie Zhang, Lei Wang, Gui-Fang Xu, Qin Huang
As a cancer stem cell marker, CD44 variant 6 (CD44v6) has been implicated in carcinogenesis, tumor progression, and metastasis in a variety of human carcinomas. However, little is known about the expression of CD44v6 in Gastric Carcinoma (GC). Therefore we investigated CD44v6 expression in clinical specimen and further explore the underlying molecular mechanisms. In this study, we systemically investigated CD44v6 expression by immunohistochemistry in normal, premalignant gastric mucosa (low and high grade intraepithelial neoplasia), and GC at various stages...
April 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28504205/comparison-of-clinicopathologic-characteristics-of-gastric-follicular-lymphomas-and-duodenal-follicular-lymphomas
#14
Akiko Miyagi Maeshima, Hirokazu Taniguchi, Tomotaka Suzuki, Sayako Yuda, Kosuke Toyoda, Nobuhiko Yamauchi, Shinichi Makita, Suguru Fukuhara, Wataru Munakata, Dai Maruyama, Yukio Kobayashi, Yutaka Saito, Kensei Tobinai
We compared the incidence, esophagogastroduodenoscopy (EGD) findings, and histopathologic characteristics of gastric and duodenal follicular lymphomas (FL). Of 626 FL cases, primary gastric FL and secondary gastric involvement of FL were observed in 1% and 5% of the cases, respectively, which were lower incidences than duodenal FL (10% and 9%, respectively). Gastric FL usually appeared as submucosal tumors (primary, 71%: secondary, 79%), whereas duodenal FL as granular lesions (primary, 92%: secondary, 87%)...
May 10, 2017: Human Pathology
https://www.readbyqxmd.com/read/28501849/mir-551b-regulates-epithelial-mesenchymal-transition-and-metastasis-of-gastric-cancer-by-inhibiting-erbb4-expression
#15
Guangyuan Song, Hongcheng Zhang, Chenlin Chen, Lijie Gong, Biao Chen, Shaoyun Zhao, Ji Shi, Ji Xu, Zaiyuan Ye
Epithelial-mesenchymal transition (EMT) is an important biological process that is characteristic of malignant tumor cells with metastatic potential. We investigated the role of miR-551b in EMT and metastasis in gastric cancer (GC). We found that low miR-551b levels were associated with EMT, metastasis and a poor prognosis in GC patients. Further, two GC cell lines, MNK45 and SGC7901, exhibited lower miR-551b levels than the GES normal stomach cell line. Exposing MNK45 and SGC7901 cells to TGF-β1 resulted in cell morphology changes characteristic of EMT, which was confirmed by western blot analysis demonstrating low E-Cadherin and high N-Cadherin and Vimentin levels...
April 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28501848/mucinous-adenocarcinoma-and-non-mucinous-adenocarcinoma-differing-clinicopathological-characteristics-and-computed-tomography-features-in-gastric-cancer
#16
Jianxi Zhao, Gang Ren, Rong Cai, Jian Chen, Huali Li, Chen Guo, Wenguang He, Xiangru Wu, Wenjie Zhang
Mucinous gastric carcinoma (MGC) is a rare histological subtype of gastric cancer. The clinicopathological characteristics and CT features of MGC remain controversial. This study aimed to determine the clinicopathological characteristics and CT features of MGC. We reviewed 62 patients with MGC and 104 patients with non-mucinous gastric carcinoma (NMGC), pathologically confirmed between 2003 and 2015. There are significant differences in some clinicopathological characteristics and CT features between MGC and NMGC...
April 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28501534/glomus-tumor-of-the-stomach-a-tumor-that-needs-to-be-differentiated-from-gastrointestinal-stromal-tumor
#17
Shuisheng Zhang, Jianwei Zhang, Chengfeng Wang
No abstract text is available yet for this article.
May 10, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28501127/c-c-motif-chemokine-22-ligand-ccl22-concentrations-in-sera-of-gastric-cancer-patients-are-related-to-peritoneal-metastasis-and-predict-recurrence-within-one-year-after-radical-gastrectomy
#18
Yuzhe Wei, Tie Wang, Hongjiang Song, Lining Tian, Gongwei Lyu, Lei Zhao, Yingwei Xue
BACKGROUND: Gastric cancer is a common cancer with a poor prognosis. Chemokines play important roles in the tumor microenvironments to support tumor growth and metastasis. The effects of C-C motif chemokine ligand 22 (CCL22) in gastric cancer remain unclear. MATERIALS AND METHODS: Between January 1, 2014 and April 31, 2014, a total of 298 gastric cancer patients were recruited to this study. Circulating concentrations of CCL22 were measured in gastric cancer patients before surgery, at discharged and during follow-up visits...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28501090/antiangiogenic-therapy-in-gastroesophageal-cancer
#19
REVIEW
Zhaohui Jin, Harry H Yoon
Antiangiogenesis therapy is one of only 2 biologically targeted approaches shown to improve overall survival over standard of care in advanced adenocarcinoma of the stomach or gastroesophageal junction (GEJ). Therapeutic targeting of vascular endothelial growth factor receptor 2 improves overall survival in patients with previously treated advanced gastric/GEJ adenocarcinoma. No antiangiogenesis therapy has demonstrated an overall survival benefit in patients with chemo-naïve or resectable esophagogastric cancer or in patients whose tumors arise from the esophagus...
June 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/28500351/non-targeted-effects-models-predict-significantly-higher-mars-mission-cancer-risk-than-targeted-effects-models
#20
Francis A Cucinotta, Eliedonna Cacao
Cancer risk is an important concern for galactic cosmic ray (GCR) exposures, which consist of a wide-energy range of protons, heavy ions and secondary radiation produced in shielding and tissues. Relative biological effectiveness (RBE) factors for surrogate cancer endpoints in cell culture models and tumor induction in mice vary considerable, including significant variations for different tissues and mouse strains. Many studies suggest non-targeted effects (NTE) occur for low doses of high linear energy transfer (LET) radiation, leading to deviation from the linear dose response model used in radiation protection...
May 12, 2017: Scientific Reports
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