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https://www.readbyqxmd.com/read/28651018/meta-analysis-of-mirna-expression-profiles-for-prostate-cancer-recurrence-following-radical-prostatectomy
#1
Elnaz Pashaei, Elham Pashaei, Maryam Ahmady, Mustafa Ozen, Nizamettin Aydin
BACKGROUND: Prostate cancer (PCa) is a leading reason of death in men and the most diagnosed malignancies in the western countries at the present time. After radical prostatectomy (RP), nearly 30% of men develop clinical recurrence with high serum prostate-specific antigen levels. An important challenge in PCa research is to identify effective predictors of tumor recurrence. The molecular alterations in microRNAs are associated with PCa initiation and progression. Several miRNA microarray studies have been conducted in recurrence PCa, but the results vary among different studies...
2017: PloS One
https://www.readbyqxmd.com/read/28650730/yield-of-staging-laparoscopy-for-incurable-factors-in-chinese-patients-with-advanced-gastric-cancer
#2
Jun Huang, Hongliang Luo, Chengliang Zhou, Jianjun Zhan, Xionghui Rao, Gang Zhao, Zhengming Zhu
BACKGROUND: Although the role of staging laparoscopy (SL) in detecting radiologically occult M1 disease has been widely recognized, it is seldom used in China and its clinical value based on Chinese population has been rarely reported. The aim of this study is to identify the yield of SL for Chinese patients with advanced gastric cancer (AGC) and determine the proportions of patients in whom treatment plan is altered. MATERIALS AND METHODS: The clinical data were retrospectively collected from 879 AGC patients who underwent SL without any definite signs of disseminated disease on imaging examination...
June 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28650587/the-value-of-n-staging-with-the-positive-lymph-node-ratio-and-splenectomy-for-remnant-gastric-cancer-a-multicenter-retrospective-study
#3
Sang-Yong Son, Seong-Ho Kong, Hye Seong Ahn, Young Suk Park, Sang-Hoon Ahn, Yun-Suhk Suh, Do Joong Park, Hyuk-Joon Lee, Hyung-Ho Kim, Han-Kwang Yang
BACKGROUND: Surgery for remnant gastric cancer (RGC) frequently fails to obtain the >15 lymph nodes necessary for tumor-node-metastasis (TNM) staging. We aimed to evaluate the utility of the recently developed tumor-ratio-metastasis (TRM) staging system. We also examined the pattern of lymph node metastasis and the role of prophylactic splenectomy in RGC. METHODS: Between May 2003 and December 2012, data from 170 patients who underwent surgery for RGC were retrospectively analyzed...
June 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28649475/solid-pseudopapillary-tumor-of-the-pancreas-an-unusual-cause-of-abdominal-pain
#4
Talal El Imad, Fady G Haddad, Mayurathan Kesavan, Liliane Deeb, Sherif Andrawes
Solid-pseudopapillary neoplasm (SPN) of the pancreas is a rare tumor that accounts for less than one percent of pancreatic tumors. The diagnosis could be challenging as SPN tend to manifest with nonspecific abdominal symptoms, variable radiological features, and inconsistent morphology. The cellular origin of SPN is unclear and might involve ductal, acinar and endocrine stem cells.  We report a rare case of a 27-year-old female who presented with intermittent abdominal pain for two years, associated with a decrease in appetite...
May 16, 2017: Curēus
https://www.readbyqxmd.com/read/28648145/er-membrane-protein-complex-subunit-6-emc6-is-a-novel-tumor-suppressor-in-gastric-cancer
#5
Xiaokun Wang, Yan Xia, Chentong Xu, Xin Lin, Peng Xue, Shijie Zhu, Yun Bai, Yingyu Chen
Endoplasmic reticulum (ER) membrane protein complex subunit 6 (EMC6) is a novel human autophagy-related molecule. Here, using tissue microarray and immunohistochemistry, we report that EMC6 protein is lost or reduced in glandular cells of patients with gastric adenocarcinoma, compared to normal stomach mucosa. Overexpression of EMC6 in gastric cancer cells inhibited cell growth, migration, and invasion, and induced apoptosis and cell cycle arrest at S-phase. Further investigation suggested that EMC6 overexpression in BGC823 cells reduced tumorigenicity in a xenograft model, demonstrating that EMC6 has the characteristics of a tumor suppressor...
June 26, 2017: BMB Reports
https://www.readbyqxmd.com/read/28647209/decreased-expression-of-the-atm-gene-linked-to-poor-prognosis-for-gastric-cancer-of-different-nationalities-in-xinjiang
#6
Mei Han, Lanying Ma, Yanli Qu, Yong Tang
OBJECTIVE: To explore the clinicopathological significance of ATM gene in the occurrence and prognosis of gastric cancer (GC) from different nationalities in Xinjiang. METHOD: The expression of ATM in 385 patients with GC (including 98 Uygurs, 231 Hans and 56 Kazaks) and its corresponding adjacent tissues were examined by quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemistry assay to, analyze its correlations with clinicopathological features and prognosis of GC...
June 10, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28647208/mage-a-family-is-involved-in-gastric-cancer-progression-and-indicates-poor-prognosis-of-gastric-cancer-patients
#7
Yishui Lian, Meixiang Sang, Lina Gu, Fei Liu, Danjing Yin, Shina Liu, Weina Huang, Yanyun Wu, Baoen Shan
BACKGROUND: As the best characterized CTA family members, melanoma-associated antigens (MAGE) have been reported to express in various malignant tumors. However, the expression pattern of MAGE-A family in gastric cancer (GC) specimens and their prognostic and therapeutic significance for GC patients is still unclear. MATERIALS AND METHODS: Tissue microarray - based immunohistochemistry analysis was used to examine the expression of MAGE-A family members (including MAGE-A1, -A2, -A3, -A4, -A6, -A10, and -A12) in 86 cases of GC specimens, 20 cases of the corresponding adjacent normal gastric specimens, and 9 cases of intraepithelial neoplasia specimens...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28647207/clinical-value-of-mir-425-5p-detection-and-its-association-with-cell-proliferation-and-apoptosis-of-gastric-cancer
#8
Zhuoqi Zhang, Ming Wen, Jian Guo, Jianwei Shi, Zhiyu Wang, Bibo Tan, Gang Zhang, Xiangkui Zheng, Aimin Zhang
Researches have shown that miR-425-5p expression altered in lung, esophageal, and glial cancer. Similarly, in our previous study, we found miR-425-5p expression was up-regulated in GC cells and could promote gastric cancer (GC) cell invasion and metastasis. However, the functional mechanism and the prognostic significance of miR-425-5p in GC remain unclear. Therefore, the present study examined miR-425-5p expression in GC tissues and also evaluated miR-425-5p of the therapeutic and prognostic value. Moreover, with interference of miR-425-5p expression in cell lines, we investigated the molecular mechanism of miR-425-5p and the expression level was higher in GC tissues comparing with that in gastric tumor-adjacent mucosa...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28646603/comparison-of-oral-contrast-enhanced-transabdominal-ultrasound-imaging-with-transverse-contrast-enhanced-computed-tomography-in-preoperative-tumor-staging-of-advanced-gastric-carcinoma
#9
Xuemei He, Jing Sun, Xiaoling Huang, Chun Zeng, Yinggang Ge, Jun Zhang, Jingxian Wu
OBJECTIVES: This study assessed the diagnostic performance of transabdominal oral contrast-enhanced ultrasound (US) imaging for preoperative tumor staging of advanced gastric carcinoma by comparing it with transverse contrast-enhanced computed tomography (CT). METHODS: This retrospective study included 42 patients with advanced gastric cancer who underwent laparoscopy, radical surgery, or palliative surgery because of serious complications and had a body mass index of less than 25 kg/m(2) ...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28646258/selective-survival-advantage-associated-with-primary-tumor-resection-for-metastatic-gastric-cancer-in-a-western-population
#10
René Warschkow, Matthias Baechtold, Kenneth Leung, Bruno M Schmied, Daniel P Nussbaum, Beat Gloor, Dan G Blazer Iii, Mathias Worni
BACKGROUND: The prognosis of metastatic gastric cancer (GC) remains dismal, with a median survival of 10 months. Historically, primary tumor resection was not thought to confer any survival benefit. Although high-level data exist guiding treatment of metastatic GC for patients in the East, no such data exist for Western patients despite inherent ethnic differences in GC biology. METHODS: The 2006-2012 National Cancer Database was queried for adult patients with metastatic gastric adenocarcinoma...
June 23, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28644686/cervical-adenocarcinoma-diagnosis-of-human-papillomavirus-positive-and-human-papillomavirus-negative-tumors
#11
Edyta C Pirog
CONTEXT: - Cervical adenocarcinomas span a diverse group of tumors with several distinct histologic tumor types, which include endocervical, endometrioid, intestinal, villoglandular, gastric, signet ring, serous, clear cell, and mesonephric. Diagnosis of cervical adenocarcinoma, especially early diagnosis, poses a significant challenge. OBJECTIVE: - To review the pathogenesis, diagnostic criteria, immunohistochemical markers, and differential diagnosis of various subtypes of human papillomavirus (HPV)-positive and HPV-negative cervical adenocarcinomas...
June 23, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28644569/gastrointestinal-stromal-tumors-of-the-esophagus-a-clinicopathologic-and-molecular-analysis-of-27-cases
#12
Guhyun Kang, Yuna Kang, Kyung-Hee Kim, Sang Yun Ha, Jung Yeon Kim, Young Mog Shim, Michael C Heinrich, Kyoung-Mee Kim, Christopher L Corless
AIMS: Gastrointestinal stromal tumors (GISTs) may arise anywhere in the gastrointestinal tract, but are rare in the esophagus. We describe the clinical, pathologic, and molecular characteristics of 27 primary esophageal GISTs, the largest series to date. METHODS AND RESULTS: DNA was extracted and exons 9, 11, 13 and 17 of KIT, exons 12, 14 and 18 of PDGFRA and exon 15 of BRAF were amplified and sequenced. Esophageal GISTs occurred in 14 men and 13 women between 22 and 80 years of age (mean, 56 years)...
June 23, 2017: Histopathology
https://www.readbyqxmd.com/read/28643319/-progress-of-the-application-of-optical-coherence-tomography-in-gastrointestinal-tumor-surgery
#13
Yongsheng Li, Hao Liu, Haipeng Huang, Yu Zhu, Haijun Deng, Jiang Yu, Site Luo, Li Huo, Li Lin, Huikai Xie, Guoxin Li
Optical coherence tomography (OCT) is a real-time, cross-sectional optical imaging technology. It is analogous to ultrasonography, except that OCT uses light waves instead of sound waves, and can provide three-dimensional morphological images of living tissues with a micrometer resolution. Through the use of endoscopes, needles, catheters and laparoscopes, OCT has demonstrated tremendous imaging potential in tumor surgery. The current studies suggest that OCT has potential for clinical applications in the following fields of gastrointestinal tumor surgery: (1) Early tumor detection and diagnosis: OCT can distinguish differences between polyp tissue, normal tissue and malignant tissue...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643312/-comparison-of-short-term-outcomes-of-transrectal-specimen-extraction-during-laparoscopic-sigmoid-radical-resection-versus-conventional-laparoscopically-assisted-procedure
#14
Junjie Xing, Chenxin Zhang, Xiaohong Yang, Hao Wang, Hantao Wang, Enda Yu, Chuangang Fu
OBJECTIVE: To compare the short-term outcomes between transrectal specimen extraction during laparoscopic sigmoid radical resection and conventional laparoscopy-assisted sigmoid radical resection. METHODS: Sixteen patients(transrectal specimen extraction group,4 females and 12 males), who were planned to undergo laparoscopically assisted sigmoid radical resection with BMI<28 kg/m(2) and were evaluated as T1-T3 tumor by iconography without distant metastasis, were selected to undergo transrectal specimen extraction during laparoscopic sigmoid radical resection from December 2015 to April 2016 in the Department of Anorectal Surgery of Changhai Hospital...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643145/the-prognostic-value-of-volume-based-parameters-using-18-f-fdg-pet-ct-in-gastric-cancer-according-to-her2-status
#15
Ji Soo Park, Nare Lee, Seung Hoon Beom, Hyo Song Kim, Choong-Kun Lee, Sun Young Rha, Hyun Cheol Chung, Mijin Yun, Arthur Cho, Minkyu Jung
BACKGROUND: We aimed to find the clinical value of metastatic tumor burden evaluated with F18-FDG PET/CT in gastric cancer patients, considering the human epidermal growth factor receptor 2 (HER2) status. METHODS: We retrospectively reviewed 124 patients with locally advanced or metastatic gastric cancer at Yonsei Cancer Center between January 2006 and December 2014 who had undergone baseline FDG PET/CT before first-line chemotherapy. We measured the maximum standardized uptake value from the primary tumor (SUVmax) and whole-body (WB) PET/CT parameters, including WB SUVmax, WB SUVmean, WB metabolic tumor volume (WB MTV), and WB total lesion glycolysis (WB TLG), in all metabolically active metastatic lesions (SUV threshold ≥2...
June 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28643135/preoperative-tumor-restaging-and-resectability-assessment-of-gastric-cancers-after-chemotherapy-diagnostic-accuracy-of-mdct-using-new-staging-criteria
#16
Ijin Joo, Se Hyung Kim, Su Joa Ahn, Eun Sun Lee, Cheong-Il Shin, Hyuk-Joon Lee, Han Kwang Yang
PURPOSE: To evaluate the diagnostic performance of preoperative MDCT for tumor restaging and determination of resectability in gastric cancers after chemotherapy using new staging criteria. METHODS: This retrospective study was approved by our institutional review board and the requirement for informed consent was waived. Thirty-seven patients with initially unresectable gastric cancers who had received chemotherapy followed by surgery were included. Two independent radiologists reviewed preoperative MDCT images to determine the TNM staging and rate the overall likelihood of resectability using a 5-point scale (5: definitely unresectable, 1: definitely resectable)...
June 22, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28642133/s-allylmercaptocysteine-suppresses-the-growth-of-human-gastric-cancer-xenografts-through-induction-of-apoptosis-and-regulation-of-mapk-and-pi3k-akt-signaling-pathways
#17
Xiaosong Zhu, Xiaoyan Jiang, Ang Li, Yueyue Sun, Yan Liu, Xiao Sun, Xiuli Feng, Siying Li, Zhongxi Zhao
Gastric cancer remains as a common lethal malignancy worldwide. Developing novel anti-gastric cancer drugs with minimal side effects is necessary to address this public health issue. S-allylmercaptocysteine (SAMC), one of the water-soluble organosulfur garlic derivatives, has been demonstrated as a suppressive agent against tumors. In this study, we examined the effect of SAMC on human gastric carcinoma growth in vivo and explored the underlying mechanism. Human gastric cancer SGC-7901 cells were inoculated subcutaneously in BALB/c nude mice...
June 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28640116/distribution-of-somatic-mutations-of-cancer-related-genes-according-to-microsatellite-instability-status-in-korean-gastric-cancer
#18
Joonhong Park, Han Mo Yoo, Woori Jang, Soyoung Shin, Myungshin Kim, Yonggoo Kim, Seung-Woo Lee, Jeong Goo Kim
In studies of the molecular basis of gastric cancer (GC), microsatellite instability (MSI) is one of the key factors. Somatic mutations found in GC are expected to contribute to MSI-high (H) tumorigenesis. We estimated somatic mutation distribution according to MSI status in 52 matched pair GC samples using the Ion Torrent Ion S5 XL with the AmpliSeq Cancer Hotspot panel.Seventy-five (9.8%) somatic variants consisting of 34 hotspot mutations and 41 other likely pathogenic variants were identified in 34 GC samples...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28640097/role-of-endoscopic-ultrasound-and-endoscopic-resection-for-the-treatment-of-gastric-schwannoma
#19
Jinlong Hu, Xiang Liu, Nan Ge, Sheng Wang, Jintao Guo, Guoxin Wang, Siyu Sun
Endoscopic ultrasound (EUS) and endoscopic resection play an important role in gastric submucosal tumor. However, there were few articles regarding EUS and endoscopic resection of gastric schwannomas. Our aim was to evaluate the role of EUS and endoscopic resection in treating gastric schwannomas.We retrospectively reviewed 14 patients between March 2012 and April 2016 with gastric schwannomas and who received EUS and endoscopic resection. EUS characteristics, endoscopic resection, tumor features, and follow-up were evaluated in all the patients...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639911/individualized-proximal-margin-correlates-with-outcomes-in-gastric-cancers-with-radical-gastrectomy
#20
Junfeng Wang, Jianzhong Liu, Gaojia Zhang, Dalu Kong
The length of proximal margin for gastrectomy remains controversial. The proximal margin and its relationships with clinicopathological variables and overall survival of 922 gastric cancers were retrospectively analyzed. Proximal margin was divided into four groups (0-2.0, 2.1-4.0, 4.1-6.0, and >6.0 cm). It indicated that the overall survival was improved with the increase of proximal margin. The proximal margin of 2.1-4.0 cm was associated with a better overall survival for gastric cancers with solitary-type (T1 and T2 stages, N0 stage, tumor-node-metastasis stages I and II, tumor size <5 cm, histological G1 and G2, and Bormann type I and II)...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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