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Gastric carcinoma

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https://www.readbyqxmd.com/read/29239821/long-noncoding-rna-fezf1-as1-indicates-a-poor-prognosis-of-gastric-cancer-and-promotes-tumorigenesis-via-activation-of-wnt-signaling-pathway
#1
Xiaoli Wu, Peichen Zhang, Hua Zhu, Shi Li, Xiangjian Chen, Lingyan Shi
Long non-coding RNAs (lncRNAs) have been demonstrated that it plays very important role in development and progression of carcinomas. LncRNA FEZF1 antisense RNA 1 (FEZF1-AS1) has been proved to be implicated in tumor initiation and progression of various cancers, recently. Nevertheless, the biological function and clinical significance of lncRNA FEZF1-AS1 in gastric cancer (GC) are not clear enough. Here, we concentrated on the association of FEZF1-AS1 expression and clinicopathological factors in GC tissues and cells...
November 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29239034/succinate-dehydrogenase-sdh-deficient-neoplasia
#2
REVIEW
Anthony J Gill
The succinate dehydrogenase (SDH) complex is a key respiratory enzyme composed of four subunits: SDHA, SDHB, SDHC and SDHD. Remarkably, immunohistochemistry for SDHB becomes negative whenever there is bi-alleic inactivation of any component of SDH, which is very rare in the absence of syndromic disease. Therefore, loss of SDHB immunohistochemistry serves as a marker of syndromic disease, usually germline mutation of one of the SDH subunits. Tumours which show loss of SDHB expression are termed succinate dehydrogenase-deficient...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29236187/mixed-poorly-differentiated-adenocarcinoma-in-undifferentiated-type-early-gastric-cancer-predicts-endoscopic-noncurative-resection
#3
Yusuke Horiuchi, Junko Fujisaki, Noriko Yamamoto, Naoki Ishizuka, Masami Omae, Akiyoshi Ishiyama, Toshiyuki Yoshio, Toshiaki Hirasawa, Yorimasa Yamamoto, Masatsugu Nagahama, Hiroshi Takahashi, Tomohiro Tsuchida
BACKGROUND: Comparisons between surgical cases of mixed poorly differentiated adenocarcinoma and pure signet ring cell carcinoma have revealed higher frequencies of lymph node metastasis and submucosal invasion in the former. However, this comparison has not been reported for endoscopically treated cases. Therefore, we compared cases of curative and noncurative resection in patients who underwent endoscopic submucosal dissection to determine what factors could influence the curative resection rate...
December 13, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29235204/plasma-activated-medium-pam-kills-human-cancer-initiating-cells
#4
Jun-Ichiro Ikeda, Hiromasa Tanaka, Kenji Ishikawa, Hajime Sakakita, Yuzuru Ikehara, Masaru Hori
Medical non-thermal plasma (NTP) treatments for various types of cancers have been reported. Cells with tumorigenic potential (cancer-initiating cells; CICs) are few in number in many types of tumors. CICs efficiently eliminate anti-cancer chemicals and exhibit high-level aldehyde dehydrogenase (ALDH) activity. We previously examined the effects of direct irradiation via NTP on cancer cells; even though we targeted CICs expressing high levels of ALDH, such treatment affected both non-CICs and CICs. Recent studies have shown that plasma-activated medium (PAM) (culture medium irradiated by NTP) selectively induces apoptotic death of cancer but not normal cells...
December 13, 2017: Pathology International
https://www.readbyqxmd.com/read/29233547/the-developing-spectrum-of-gastric-type-cervical-glandular-lesions
#5
REVIEW
Karen L Talia, W Glenn McCluggage
Adenocarcinoma of the cervix is less common than squamous cell carcinoma, although its relative prevalence is increasing. Oncogenic (high-risk) human papillomavirus (HPV) infection is implicated in the development of approximately 90% of all cervical adenocarcinomas. Of the remaining non-HPV associated tumours, the most frequent is gastric-type adenocarcinoma (GAS), which is recognised by the World Health Organization as a form of mucinous adenocarcinoma of the cervix. Minimal deviation adenocarcinoma (MDA) of mucinous type (adenoma malignum) is considered an extremely well differentiated variant of GAS and is encompassed within the category of GAS...
December 9, 2017: Pathology
https://www.readbyqxmd.com/read/29229675/evaluation-of-metase-pemetrexed-loaded-peg-plga-nanoparticles-modified-with-anti-cd133-scfv-for-treatment-of-gastric-carcinoma
#6
Lin Xin, Hou-Ting Zhang, Wei-Feng Yang, Yi-Fan Li, Chuan Liu
PEG-PLGA nanoparticles (NPs) modified with anti-CD133 and tumor-targeting single-chain antibody fragment (scFV-NPs) for systemic delivery of methioninase (METase) and pemetrexed for gastric carcinoma were successfully formulated. The structure characterization and biological functions of METase-pemetrexed-loaded scFV-PEG-PLGA NPs (scFV-METase/pemetrexed-NPs) in vitro were investigated. Functional scFV-PEG-PLGA NPs or PEG-PLGA NPs presents low cell cytoxicity in CD133+ SGC7901 cells. scFV-METase/pemetrexed-NPs (scFv-M/P-NP) was more effective in inhibiting tumor growth (including cell growth and migration ability) in CD133 positive expressed gastric cancer cells than METase/pemetrexed-NPs (M/P-NP)...
December 11, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29228423/cd44v6-regulates-gastric-carcinoma-occurrence-and-development-through-up-regulating-vegf-expression
#7
S Liang, H-L Li, G-Y Han, J-H Cui
OBJECTIVE: Gastric carcinoma (GC) is one of the most common malignant tumors around the world. It is featured as high morbidity, poor prognosis, and short survival, thus seriously threats to the quality of life. The mechanism of GC is still unclear, leading to a difficulty in the treatment. CD44V6 plays an important role in tumorigenesis and progression, while its role in GC still needs further elucidation. PATIENTS AND METHODS: GC tissue and para-carcinoma tissue were collected from patients in different tumor-mode-metastasis (TNM) stages...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228422/microrna-582-5p-suppressed-gastric-cancer-cell-proliferation-via-targeting-akt3
#8
Y Jin, L-P Tao, S-C Yao, Q-K Huang, Z-F Chen, Y-J Sun, S-Q Jin
OBJECTIVE: To dissect the functioning mode of miR-582-5p on gastric cancer cell growth and provide therapeutic targets for gastric cancer. PATIENTS AND METHODS: Relative expression levels of miR-582-5p in human gastric cancer tissue samples and gastric cancer-derived cell lines were measured by using quantitative Real-time PCR. Cell proliferation and viability capacities were assessed by cell counting kit-8 (CCK8) assay and colony formation assay. Cell apoptosis and cell cycle distribution were identified by flow cytometry...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228419/expression-and-clinical-significance-of-long-non-coding-rna-ghet1-in-pancreatic-cancer
#9
H-Y Zhou, H Zhu, X-Y Wu, X-D Chen, Z-G Qiao, X Ling, X-M Yao, J-H Tang
OBJECTIVE: To investigate the expression level and biological function of long non-coding RNA gastric carcinoma high expressed transcript 1 (lncRNA-GHET1) in pancreatic ductal adenocarcinoma (pancreatic cancer for short), to analyze the correlation between the expression of GHET1 and clinicopathological features and to explore the role and clinical significance of GHET1 in the development and progression of pancreatic cancer. PATIENTS AND METHODS: The relative expression of GHET1 in 5 human pancreatic cancer cell lines was detected by quantitative Real-time polymerase chain reaction (qRT-PCR)...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228320/overexpression-of-zrf1-is-related-to-tumor-malignant-potential-and-a-poor-outcome-of-gastric-carcinoma
#10
Taisuke Imamura, Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Wataru Okajima, Takuma Ohashi, Jun Kiuchi, Keiji Nishibeppu, Toshiyuki Kosuga, Hirotaka Konishi, Atsushi Shiozaki, Hitoshi Fujiwara, Kazuma Okamoto, Hitoshi Tsuda, Eigo Otsuji
Zuotin-related factor 1 (ZRF1) is a recently characterized epigenetic factor involved in transcriptional regulation and is highly overexpressed in several malignancies, but it is not known whether it plays a role in gastric cancer (GC). In this study, we investigated whether ZRF1 acts as a cancer-promoting gene through its activation/overexpression in GC. We analyzed five GC cell lines and 133 primary tumors, which had been curatively resected in our hospital between 2001 and 2003. Overexpression of ZRF1 was detected in GC cell lines (four out of five lines, 80...
December 6, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29227748/survival-in-signet-ring-cell-carcinoma-varies-based-on-primary-tumor-location-a-surveillance-epidemiology-and-end-results-database-analysis
#11
San-Gang Wu, Xue-Ting Chen, Wen-Wen Zhang, Jia-Yuan Sun, Feng-Yan Li, Zhen-Yu He, Xiao-Qing Pei, Qin Lin
BACKGROUND: The aim of this study was to investigate the survival of patients with signet ring cell carcinoma (SRCC) based on primary tumor location. METHODS: Patient data were obtained from the Surveillance, Epidemiology, and End Results database (1988-2012) with ≥200 cases per tumor location. Cox regression analysis was used to investigate prognostic factors of cause-specific survival (CSS). RESULTS: We identified 24,171 patients. Of the patients, 63...
December 11, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29224284/-clinicopathologic-features-of-lynch-syndrome-with-endometrial-carcinoma-combined-with-gastric-cancer-colon-cancer-and-rectal-cancer-report-of-a-case
#12
L Wang, H Ye, X H Zhu, W W Li
No abstract text is available yet for this article.
December 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29223168/serious-gastric-perforation-after-second-stereotactic-body-radiotherapy-for-peripheral-lung-cancer-that-recurred-after-initial-stereotactic-body-radiotherapy-a-case-report
#13
Hotaka Nonaka, Hiroshi Onishi, Masatoki Ozaki, Kengo Kuriyama, Takafumi Komiyama, Ryo Saito
BACKGROUND: In recent reports, re-irradiation with stereotactic body radiotherapy for lung tumors in patients previously treated with thoracic radiation therapy resulted in several serious toxicities. Serious non-lung toxicities were observed mostly in patients with central tumors, but we experienced a case of fatal gastric perforation after a second stereotactic body radiotherapy in a patient with a peripheral lung tumor. CASE PRESENTATION: An 83-year-old Asian man was diagnosed with T2N0M0 lung cancer in the form of squamous cell carcinoma in the lower lobe of his left lung...
December 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29222587/gastrointestinal-manifestation-of-immunoglobulin-g4-related-disease-clarification-through-a-multicenter-survey
#14
Kenji Notohara, Terumi Kamisawa, Kazushige Uchida, Yoh Zen, Mitsuhiro Kawano, Satomi Kasashima, Yasuharu Sato, Masahiro Shiokawa, Takeshi Uehara, Hajime Yoshifuji, Hiroko Hayashi, Koichi Inoue, Keisuke Iwasaki, Hiroo Kawano, Hiroyuki Matsubayashi, Yukitoshi Moritani, Katsuhiko Murakawa, Yoshio Oka, Masatoshi Tateno, Kazuichi Okazaki, Tsutomu Chiba
BACKGROUND: Several reports on immunoglobulin (Ig)G4-related disease (IgG4-RD) with gastrointestinal involvement (IgG4-related gastrointestinal disease; IgG4-GID) have been published, although this entity has not been fully established clinicopathologically. Thus, we carried out a multicenter survey. METHODS: Patients with possible IgG4-GID who underwent resection were collected. Histologic slides were reevaluated, and eight cases with diffuse lymphoplasmacytic infiltration but without numerous neutrophils, granulations or epithelioid granulomas were further analyzed...
December 8, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29222050/effects-of-the-rna-binding-protein-ksrp-on-innate-immune-response-against-helicobacter-pylori-infection-in-mice
#15
Ningzhe Li, Mei Cao, Sijun Yi, Juan Cheng, Lei Wang, Yuwei Tao, Daoyan Wu, Jingshan Peng, Mao Zhang, Panpan Qi, Jian Zhao
Helicobacter pylori (H. pylori) contributes to various gastric diseases such as chronic gastritis, gastric ulcer, and gastric carcinoma. Host innate immune response against the pathogen plays a significant role in elimination of pathogen infection. Importantly, pathogen elimination is closely related to numerous inflammatory-related genes that participate in complex biological response of cells to harmful stimuli. Here we studied effects of the KH-type splicing regulatory protein (KSRP), a RNA-binding protein, on innate immune response against H...
December 5, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29221126/the-clinicopathological-and-prognostic-significances-of-cdc73-expression-in-cancers-a-bioinformatics-analysis
#16
Hua-Chuan Zheng, Bao-Cheng Gong, Shuang Zhao
CDC73 interacts with human PAF1 complex, histone methyltransferase complex and RNA polymerase II for transcription elongation and 3' end processing. Its down-regulated expression was immunohistochemically detected in gastric, colorectal, ovarian and head and neck cancers, and positively correlated with aggressive behaviors and unfavorable prognosis of malignancies. We performed a bioinformatics analysis by using Oncomine, TCGA and KM plotter databases. It was found that CDC73 mRNA was overexpressed in gastric, lung, breast and ovarian cancers, even stratified by histological subtypes (p<0...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29215373/mangiferin-prevents-the-growth-of-gastric-carcinoma-by-blocking-the-pi3k-akt-signalling-pathway
#17
Min Du, Gang Wen, Juan Jin, Yuanguang Chen, Jun Cao, Aman Xu
The aim of the present study was to investigate the effects of mangiferin on gastric carcinoma cells and to determine the possible mechanisms underlying such effects. The MTT assay was performed to evaluate the antiproliferative effect of mangiferin. Following treatment, apoptosis rates of SGC-7901 were established by flow cytometry and laser confocal microscopy, and western blot analysis was used to detect the expression of apoptosis-related proteins. The MTT assay showed that mangiferin inhibited the proliferation of SGC-7901 and BCG-823 cells in a dose-dependent and time-dependent manner...
December 5, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29212656/the-relevance-and-implications-of-signet-ring-cell-adenocarcinoma-of-the-oesophagus
#18
REVIEW
Christopher William Bleaney, Mickhaiel Barrow, Stephen Hayes, Yeng Ang
AIM: To review the current understanding of signet-ring type oesophageal adenocarcinoma including evidence for prognosis. METHODS: We conducted a literature search of nine healthcare literature databases for articles detailing the biology and clinical outcomes of signet-ring cell adenocarcinoma of the oesophagus. The impact of signet-ring cell morphology was analysed and detailed in written text and tabular format. Current understanding of the biology of signet-ring cell adenocarcinoma of the oesophagus was summarised...
December 6, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29212166/dysregulated-lncrna-uca1-contributes-to-the-progression-of-gastric-cancer-through-regulation-of-the-pi3k-akt-mtor-signaling-pathway
#19
Chengyun Li, Geyu Liang, Sheng Yang, Jing Sui, Wenzhuo Yao, Xian Shen, Yanqiu Zhang, Hui Peng, Weiwei Hong, Siyi Xu, Wenjuan Wu, Yancheng Ye, Zhiyi Zhang, Wenhua Zhang, Lihong Yin, Yuepu Pu
The long non-coding RNA (lncRNA) urothelial carcinoma-associated 1 (UCA1) has been recently shown to be dysregulated during disease occurrence and to play an important role in the progression of several cancers. However, the biological role and potential regulation mechanism of UCA1 in the carcinogenesis of gastric cancer remain unclear. In the present study, we found that UCA1 was aberrantly upregulated in gastric cancer tissues and gastric cancer cell lines, and was associated with TNM stage and metastasis...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29209918/molecular-classification-and-precision-therapy-of-cancer-immune-checkpoint-inhibitors
#20
Yingyan Yu
On May 23, 2017, the US Food and Drug Administration (FDA) approved a treatment for cancer patients with positive microsatellite instability-high (MSI-H) markers or mismatch repair deficient (dMMR) markers. This approach is the first approved tumor treatment using a common biomarker rather than specified tumor locations in the body. FDA previously approved Keytruda for treatment of several types of malignancies, such as metastatic melanoma, metastatic non-small-cell lung cancer, recurrent or metastatic head and neck cancer, refractory Hodgkin lymphoma, and urothelial carcinoma, all of which carry positive programmed death-1/programmed death-ligand 1 biomarkers...
December 5, 2017: Frontiers of Medicine
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