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https://www.readbyqxmd.com/read/29155521/gastric-adenocarcinoma-with-neuroendocrine-differentiation-clinicopathological-features-and-efficacy-of-modified-dcf-chemotherapy
#1
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/29152991/four-synchronous-primary-cancers-of-the-aerodigestive-tract-and-thyroid
#2
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
#3
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/29151922/clinicopathological-characteristics-and-prognostic-value-of-signet-ring-cells-in-gastric-carcinoma-a-meta-analysis
#4
Run-Cong Nie, Shu-Qiang Yuan, Yuan-Fang Li, Yong-Ming Chen, Xiao-Jiang Chen, Bao-Yan Zhu, Li-Pu Xu, Zhi-Wei Zhou, Shi Chen, Ying-Bo Chen
Background and Objectives: Previous studies of the prognostic value of the signet ring cell (SRC) type have yielded inconsistent results. Therefore, the aim of the present meta-analysis is to explore the clinicopathological characteristics and prognostic value of SRCs. Methods: Relevant articles that compared SRC and non-SRC type in PubMed and Web of Science were comprehensively searched. Then, a meta-analysis was performed. Results: A total of 19 studies including 35947 cases were analyzed. Compared with non-SRC patients, SRC patients tended to be younger (WMD: -3...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151903/fusobacterium-nucleatum-in-gastroenterological-cancer-evaluation-of-measurement-methods-using-quantitative-polymerase-chain-reaction-and-a-literature-review
#5
Kensuke Yamamura, Yoshifumi Baba, Keisuke Miyake, Kenichi Nakamura, Hironobu Shigaki, Kosuke Mima, Junji Kurashige, Takatsugu Ishimoto, Masaaki Iwatsuki, Yasuo Sakamoto, Yoichi Yamashita, Naoya Yoshida, Masayuki Watanabe, Hideo Baba
The human microbiome Fusobacterium nucleatum, which primarily inhabits the oral cavity, causes periodontal disease and has also been implicated in the development of colorectal cancer. However, whether F. nucleatum is present in other gastroenterological cancer tissues remains to be elucidated. The present study evaluated whether quantitative polymerase chain reaction (qPCR) assays were able to detect F. nucleatum DNA and measure the quantity of F. nucleatum DNA in esophageal, gastric, pancreatic and liver cancer tissues...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29151523/neuroendocrine-carcinoma-of-the-stomach-a-response-to-combination-chemotherapy-consisting-of-ramucirumab-plus-paclitaxel
#6
Yuki Matsubara, Takayuki Ando, Ayumu Hosokawa, Hiroshi Mihara, Hiroaki Takagi, Naokatsu Nakata, Hiroki Yoshita, Sohachi Nanjo, Shinya Kajiura, Haruka Fujinami, Toshiro Sugiyama
Extrapulmonary neuroendocrine carcinoma (NEC) is a rare disease, and there is no standard chemotherapy. A 73-year-old man was diagnosed with advanced gastric NEC. He received chemotherapy of irinotecan plus cisplatin, and amrubicin monotherapy. After failure of second-line chemotherapy, he received ramucirumab plus paclitaxel; this treatment was chosen because vascular endothelial growth factor 2 was strongly expressed in the tumor endothelial cells. After two cycles, his NEC had markedly reduced in size, and he continued with this treatment for over eight months...
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29151285/-afp-producing-gastric-cancer-and-hepatoid-gastric-cancer
#7
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/29149107/treponema-denticola-chymotrypsin-like-proteinase-may-contribute-to-orodigestive-carcinogenesis-through-immunomodulation
#8
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/29147877/efficacy-and-safety-of-fully-covered-self-expanding-metal-stents-for-malignant-esophageal-obstruction
#9
Hoonsub So, Ji Yong Ahn, Seungbong Han, Kyoungwon Jung, Hee Kyong Na, Jeong Hoon Lee, Kee Wook Jeong, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung
BACKGROUND: Malignant dysphagia can result in poor nutritional status with severe weight loss. Rapid relief from dysphagia can be achieved with esophageal self-expanding metal stents (SEMSs), a minimally invasive method. In this study, we evaluated the usefulness of SEMSs for malignant dysphagia. METHODS: Between 2012 and 2015, 119 patients with malignant dysphagia underwent esophageal SEMS insertion with endoscopic assistance. Their demographics and clinical outcomes were collected...
November 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29147610/host-immune-response-index-in-gastric-cancer-identified-by-comprehensive-analyses-of-tumor-immunity
#10
Charny Park, Junhun Cho, Jeeyun Lee, So Young Kang, Ji Yeong An, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Sung Kim, Seung Tae Kim, Se Hoon Park, Joon Oh Park, Won Ki Kang, Insuk Sohn, Sin Ho Jung, Myung-Soo Kang, Kyoung-Mee Kim
Tumor infiltrating lymphocytes (TIL) in Epstein-Barr virus (EBV)-associated/microsatellite-unstable (MSI) gastric carcinomas (GC) constitute immune-active principal cellular components of tumor microenvironment and contribute to better prognosis. With the remarkable success of cancer immunotherapies, there is an urgent need for a comprehensive understanding of tumor-immune interactions in patients with GC in the context of host immune response. To identify GC subtype-specific immune response gene set, we tested differentially expressed genes for MSI and EBV+ GC subtypes in randomly selected test set (n = 278) in merged ACRG-SMC microarray and TCGA RNA sequencing data set...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147491/augmented-expression-levels-of-lncrnas-eccebpa-and-uca1-in-gastric-cancer-tissues-and-their-clinical-significance
#11
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/29146893/von-hippel-lindau-disease-with-multi-organ-involvement-a-case-report-and-8-year-clinical-course-with-follow-up
#12
Ali Yaghobi Joybari, Payam Azadeh
BACKGROUND Von Hippel-Lindau (VHL) disease is a rare autosomal dominant syndrome manifested by a spectrum of benign and malignant tumors.  CASE REPORT The patient presented here was a 31-year-old female with unremarkable family history who presented initially complaining of intermittent abdominal pain. Abdominal CT scan revealed an inhomogeneous solid mass (13×9×7 cm) originating from the tail of the pancreas with splenic and gastric invasion as well as several pancreatic cysts. A nucleotide scan showed left adrenal involvement...
November 17, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29144413/epstein-barr-virus-hijacks-dna-damage-response-transducers-to-orchestrate-its-life-cycle
#13
REVIEW
Pok Man Hau, Sai Wah Tsao
The Epstein-Barr virus (EBV) is a ubiquitous virus that infects most of the human population. EBV infection is associated with multiple human cancers, including Burkitt's lymphoma, Hodgkin's lymphoma, a subset of gastric carcinomas, and almost all undifferentiated non-keratinizing nasopharyngeal carcinoma. Intensive research has shown that EBV triggers a DNA damage response (DDR) during primary infection and lytic reactivation. The EBV-encoded viral proteins have been implicated in deregulating the DDR signaling pathways...
November 16, 2017: Viruses
https://www.readbyqxmd.com/read/29143111/correction-to-abstracts-29th-european-congress-of-pathology
#14
M Farinha, J Ribeiro, D Montezuma, A Pires-Luís, P Lopes, H Sousa, L Afonso, R Henrique
In Poster Sessions, the first-author name was missing from the authorship group originally listed for Abstract PS-13-001 (page S176), entitled "Gastric carcinoma with lymphoid stroma: Analysis of microsatellite instability and Epstein-Barr virus status". The correct authorship group is shown above.
November 16, 2017: Virchows Archiv: An International Journal of Pathology
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/29141455/methionine-adenosyltransferases-in-cancers-mechanisms-of-dysregulation-and-implications-for-therapy
#16
Lauren Y Maldonado, Diana Arsene, José M Mato, Shelly C Lu
Methionine adenosyltransferase genes encode enzymes responsible for the biosynthesis of S-adenosylmethionine, the principal biological methyl donor and precursor of polyamines and glutathione. Mammalian cells express three genes - MAT1A, MAT2A, and MAT2B - with distinct expression and functions. MAT1A is mainly expressed in the liver and maintains the differentiated states of both hepatocytes and bile duct epithelial cells. Conversely, MAT2A and MAT2B are widely distributed in non-parenchymal cells of the liver and extrahepatic tissues...
January 1, 2017: Experimental Biology and Medicine
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
#17
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/29139562/lncrna-ghet1-predicts-poor-prognosis-in-hepatocellular-carcinoma-and-promotes-cell-proliferation-by-silencing-klf2
#18
Li Jin, Yangke He, Shijia Tang, Shan Huang
BACKGROUND: Hepatocellular carcinoma (HCC) has been identified as one of the leading causes of cancer-related death worldwide. Recently, long non-coding RNAs (lncRNAs) attract much attention of researchers, and they are demonstrated to be dysregulated in a variety of cancers, including HCC. LncRNA gastric carcinoma high expressed transcript 1 lncRNA GHET1 is found to be dysregulated in gastric cancer (GC). However, its clinical value and potential biological function in HCC remains unclear...
November 15, 2017: Journal of Cellular Physiology
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
#19
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
#20
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
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