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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
#1
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/28640099/prognostic-impact-of-ki-67-in-patients-with-gastric-cancer-the-importance-of-depth-of-invasion-and-histologic-differentiation
#2
Gyung Hyuck Ko, Se-Il Go, Won Sup Lee, Jeong-Hee Lee, Sang-Ho Jeong, Young-Joon Lee, Soon Chan Hong, Woo Song Ha
Ki-67 protein is a cellular marker for proliferation. The role of Ki-67 as a prognostic biomarker has not been established in gastric cancer. The present study was performed to investigate the significance of Ki-67 expression as a biomarker in early gastric cancer (EGC).With tissue microarray for 320 patients with gastric cancer, we performed immunohistochemical staining for Ki-67. Its clinical significance was analyzed with adjustment via the propensity score-matching. For validation, we performed bootstrap resampling...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28637034/recovery-of-food-intake-after-gastrectomy-for-gastric-cancer-based-on-a-large-scale-gastric-cancer-cohort
#3
Bang Wool Eom, Jeongseon Kim, Deok Hee Kim, Young-Il Kim, Hong Man Yoon, Soo-Jeong Cho, Jong Yeul Lee, Chan Gyoo Kim, Il Ju Choi, Young-Woo Kim, Byung-Ho Nam, Keun Won Ryu
BACKGROUND: This study was aimed at evaluating the food intake and nutritional status of patients who underwent gastrectomy for gastric cancer based on a large-scale gastric cancer cohort. METHODS: An observational prospective cohort study for gastric cancer has been conducted since 2010. From the cohort data, we selected the data for patients who completed at least 2 days of 3-day diet diaries and who underwent subtotal gastrectomy (STG) or total gastrectomy (TG)...
June 22, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28624529/cyclopamine-sensitizes-trail-resistant-gastric-cancer-cells-to-trail-induced-apoptosis-via-endoplasmic-reticulum-stress-mediated-increase-of-death-receptor-5-and-survivin-degradation
#4
Yoo Jin Na, Dae-Hee Lee, Jung Lim Kim, Bo Ram Kim, Seong Hye Park, Min Jee Jo, Soyeon Jeong, Hong Jun Kim, Suk-Young Lee, Yoon A Jeong, Sang Cheul Oh
Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is one of the most effective cancer treatments owing to its ability to selectively kill cancer cells, without affecting normal cells. However, it has been reported that several gastric cancer cells show resistance to TRAIL because of a scarcity of death receptor 5 (DR5) expressed on the cell surface. In this study, we show that cyclopamine sensitizes gastric cancer cells to TRAIL-induced apoptosis by elevating the expression of DR5. Interestingly, survivin hampers the existence of DR5 protein under normal conditions and cyclopamine decreases the expression of survivin, thus acting as a TRAIL sensitizer...
June 15, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28622078/a-feasibility-study-and-technical-tips-for-the-use-of-an-articulating-bipolar-vessel-sealer-in-da-vinci-robot-assisted-gastrectomy
#5
Seong-Ho Kong, Tae Han Kim, Yeon Ju Huh, Seung-Young Oh, Hye Seong Ahn, So Yong Park, Yun Suk Choi, Yun-Suhk Suh, Hyuk-Joon Lee, Han-Kwang Yang
BACKGROUND: The aim of this study was to evaluate the efficacy and safety of a new articulating bipolar energy device, the EndoWrist(®) One™ Vessel Sealer (VS), in da Vinci(®) robot-assisted gastrectomy. MATERIALS AND METHODS: Patients (n = 17) with cT1/2 gastric cancer who underwent robotic gastrectomy using the VS were prospectively enrolled in the study group (VS group). The clinicopathological outcomes, including operative time, intraoperative blood loss, amount of postoperative drainage, postoperative biochemical analysis results, and complication rates, were prospectively collected and compared with those of patients who underwent robotic gastrectomy using conventional ultrasonic shear force ([US] group, n = 52) during the same time period...
June 16, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28621241/hedgehog-signaling-pathway-as-a-potential-target-in-the-treatment-of-advanced-gastric-cancer
#6
Dae-Hee Lee, Suk-Young Lee, Sang Cheul Oh
The sonic hedgehog signaling pathway is critical for cell proliferation, cell differentiation, and organ development during embryogenesis. Aberrant activation of the sonic hedgehog pathway has been associated with a variety of human cancers. Currently, there is no target molecular drug that clinically affects sonic hedgehog activation in patients with gastric cancer. In this review, we will focus on the current clinical treatment options for advanced gastric cancer and discuss the sonic hedgehog signaling pathway...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28609819/future-development-of-endoscopic-accessories-for-endoscopic-submucosal-dissection
#7
REVIEW
Jae-Young Jang
Endoscopic submucosal dissection (ESD) has recently been accepted as a standard treatment for patients with early gastric cancer (EGC), without lymph node metastases. Given the rise in the number of ESDs being performed, new endoscopic accessories are being developed and existing accessories modified to facilitate the execution of ESD and reduce complication rates. This paper examines the history underlying the development of these new endoscopic accessories and indicates future directions for the development of these accessories...
May 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28602053/effectiveness-of-gastric-cancer-screening-on-gastric-cancer-incidence-and-mortality-in-a-community-based-prospective-cohort
#8
Heewon Kim, Yunji Hwang, Hokyung Sung, Jieun Jang, Choonghyun Ahn, Sang Gyun Kim, Keun-Young Yoo, Sue K Park
Purpose: This study was performed to investigate the effectiveness of GC screening methods in a community-based prospective cohort of the Korean Multi-center Cancer Cohort (KMCC) with over a 10-year follow-up. Materials and Methods: A total 10,909 and 4,773 subjects from the KMCC with information on GE and UGIS were included in this study. Cox proportional hazard model adjusted for age, sex, Helicobacter pylori infection, cigarette smoking, and alcohol drinking was used to estimate the hazard ratios (HRs) and 95% confidence interval (CI)...
June 9, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28599497/monoclonal-antibodies-against-autocrine-motility-factor-suppress-gastric-cancer
#9
Hahn-Sun Jung, Su In Lee, Seung-Hoon Kang, Jin Sang Wang, Eun Hee Yang, Byungwook Jeon, Jayhyuk Myung, Ji Young Baek, Song-Kyu Park
Autocrine motility factor (AMF), which is a secreted form of phosphoglucose isomerase, is mainly secreted by various tumors and has cytokine-like activity. AMF is known to stimulate proliferation, survival and metastasis of cancer cells, and angiogenesis within a tumor. The present study investigated whether inhibition of AMF using targeted-antibodies was able to suppress the growth of cancer. A migration assay using a Boyden chamber was utilized to measure the activity of AMF on the motility of cancer cells...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28597328/the-comprehensive-complication-index-cci-is-a-more-sensitive-complication-index-than-the-conventional-clavien-dindo-classification-in-radical-gastric-cancer-surgery
#10
Tae-Han Kim, Yun-Suhk Suh, Yeon-Ju Huh, Young-Gil Son, Ji-Ho Park, Jun-Young Yang, Seong-Ho Kong, Hye Seong Ahn, Hyuk-Joon Lee, Ksenija Slankamenac, Pierre Alain Clavien, Han-Kwang Yang
BACKGROUND: The comprehensive complication index (CCI) integrates all complications of the Clavien-Dindo classification (CDC) and offers a metric approach to measure morbidity. The aim of this study was to evaluate the CCI at a high-volume center for gastric cancer surgery and to compare the CCI to the conventional CDC. METHODS: Clinical factors were collected from the prospective complication data of gastric cancer patients who underwent radical gastrectomy at Seoul National University Hospital from 2013 to 2014...
June 8, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28589492/a-phase-1-study-of-ly2874455-an-oral-selective-pan-fgfr-inhibitor-in-patients-with-advanced-cancer
#11
Michael Michael, Yung-Jue Bang, Young Suk Park, Yoon-Koo Kang, Tae Min Kim, Oday Hamid, Donald Thornton, Sonya C Tate, Eyas Raddad, Jeanne Tie
BACKGROUND: We report here a phase 1 study of LY2874455, a potent oral selective pan-fibroblast growth factor receptor (FGFR) inhibitor. OBJECTIVE: The primary objective was to determine the recommended phase 2 dosing (RP2D). Secondary objectives included determining toxicity, antitumor activity, pharmacokinetics (PK), and pharmacodynamic (PD) properties of LY2874455. PATIENTS AND METHODS: This study comprised two parts: (a) dose escalation with 3 + 3 cohorts in patients with solid tumors and (b) dose-expansion cohorts in patients with gastric cancer (GC) and non-small cell lung cancer (NSCLC)...
June 6, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28585577/clinicopathological-profile-of-gastric-cancers-in-al-madinah-saudi-arabia
#12
Abdulkader Mohammed Albasri, Zeinab Moustafa Elsawaf, Akbar Shah Hussainy, Ahmed Safar Alhujaily
OBJECTIVE: To characterise the clinicopathological features of gastric cancer. METHODS: This retrospective study was conducted at the histopathology laboratory of King Fahad Hospital, Madinah, Saudi Arabia, and comprised record of gastric cancer patients from January 2006 to September 2015. Data of all patients who had undergone gastrectomy was included. SPSS 19 was used for data analysis. RESULTS: Of the 63 patients, 42(66.7%) were males while 21(33...
June 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28584793/clinical-significance-of-p53-protein-expression-beta-catenin-expression-and-her2-expression-for-epstein-barr-virus-associated-gastric-cancer
#13
Dong Won Baek, Byung Woog Kang, Soyoon Hwang, Jong Gwang Kim, An Na Seo, Han Ik Bae, Oh Kyoung Kwon, Seung Soo Lee, Ho Young Chung, Wansik Yu
This study assessed the expression of the p53 protein, beta-catenin, and HER2 and their prognostic implications in patients with EBV-associated gastric cancer (EBVaGC). After reviewing 1318 consecutive cases of surgically resected or endoscopic submucosal dissected gastric cancers, 117 patients were identified as EBV-positive using EBV-encoded RNA in-situ hybridization. The immunohistochemistry results were interpreted as follows: strong p53 nuclear expression in at least 50% of tumor nuclei was interpreted as a positive result, strong beta-catenin expression in at least 10% of cytoplasmic nuclei was interpreted as a positive result, and moderate or strong complete or basolateral membrane staining in 10% of tumor cells was interpreted as a positive result for HER2...
May 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/28584243/nkx6-3-regulates-reactive-oxygen-species-production-by-suppressing-nf-kb-and-dnmt1-activities-in-gastric-epithelial-cells
#14
Jung Hwan Yoon, Olga Kim, Suk Woo Nam, Jung Young Lee, Won Sang Park
NKX6.3 plays an important role in gastric epithelial differentiation and also acts as a gastric tumor suppressor. The specific aim of this study was to determine whether NKX6.3 contributes to gastric mucosal barrier function by regulating reactive oxygen species (ROS) production. NKX6.3 reduced ROS production and regulated expression of anti-oxidant genes, including Hace1. In addition, NKX6.3 reduced DNMT1 expression and activity by down-regulating NF-kB family gene transcription. Silencing of Hace1 recovered ROS production, whereas knock-down of DNMT1 and NF-kB reduced ROS production and induced Hace1 expression by hypomethylating its promoter region...
June 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28577727/spleen-preserving-lymphadenectomy-versus-splenectomy-in-laparoscopic-total-gastrectomy-for-advanced-gastric-cancer
#15
Sang-Yong Son, Dong Joon Shin, Young Suk Park, Aung Myint Oo, Do-Hyun Jung, Chang Min Lee, Sang-Hoon Ahn, Do Joong Park, Hyung-Ho Kim
BACKGROUND: To investigate the optimal approach for laparoscopic splenic hilum lymph node dissection in proximal advanced gastric cancer, we compared the operative outcomes between laparoscopic spleen-preserving total gastrectomy (sp-LTG) and laparoscopic total gastrectomy with splenectomy (sr-LTG). METHODS: A retrospective case-cohort study was conducted between February 2006 and December 2012. The operative outcomes, the number of retrieved splenic hilum lymph node, complication, and patients' survivals were analyzed...
June 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28575250/characterization-of-tissue-chromogranin-a-cga-immunostaining-and-clinicohistopathological-changes-for-the-125-chinese-patients-with-primary-small-cell-carcinoma-of-the-esophagus
#16
J W Ku, D Y Zhang, X Song, X M Li, X K Zhao, S Lv, S J Hu, R Cheng, F Y Zhou, H F Wu, L D Wang
The rarity of primary small cell carcinoma of the esophagus (PSCE) has limited the clinical feature and survival analysis with large sample size. Tissue chromogranin A (CgA) protein expression has been reported to be a useful biomarker for diagnosing PSCE. Interestingly, recent studies have indicated tissue CgA as a significant prognostic marker in multiple human cancers, but without PSCE. The present study, thus, was undertaken to characterize the clinicopathological changes and to evaluate the associations of tissue CgA expression with clinical response on Chinese PSCE patients...
August 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28572538/twist1-is-highly-expressed-in-cancer-associated-fibroblasts-of-esophageal-squamous-cell-carcinoma-with-a-prognostic-significance
#17
So-Young Yeo, Sang-Yun Ha, Keun-Woo Lee, Yan Cui, Zhao-Ting Yang, Yan-Hua Xuan, Seok-Hyung Kim
Cancer-associated fibroblasts (CAFs) play important roles in cancer progression. Twist1 was recently reported to be a key regulator of CAFs in gastric cancer, but its role in other types of cancer remains unclear, especially for esophageal squamous cell carcinoma (ESCC). We assessed the Twist1 expression on stromal fibroblasts using immunohistochemistry in 169 tissue specimens from ESCC patients, and performed in vitro and in vivo experiments to confirm the role of Twist1 in CAFs of ESCC. And we investigated the biological pathways that are activated in Twist1-high ESCC using The Cancer Genome Atlas (TCGA) data...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28558668/combination-of-helicobacter-pylori-infection-and-the-interleukin-8-251%C3%A2-t%C3%A2-%C3%A2-a-polymorphism-but-not-the-mannose-binding-lectin-2-codon-54%C3%A2-g%C3%A2-%C3%A2-a-polymorphism-might-be-a-risk-factor-of-gastric-cancer
#18
Young Woon Chang, Chi Hyuk Oh, Jung-Wook Kim, Jae Won Lee, Mi Ju Park, Jae-Jun Shim, Chang Kyun Lee, Jae-Young Jang, Seok Ho Dong, Hyo Jong Kim, Sung Soo Kim, Byung-Ho Kim
BACKGROUND: Mannose-binding lectin (MBL) acts in the innate immune response to Helicobacter pylori. Interleukin 8 (IL-8) is a potent cytokine produced by gastric epithelial cells in response to H. pylori. We aimed to investigate whether polymorphisms in MBL2 and IL-8 influence susceptibility to H. pylori infection, and the associations of these polymorphisms with the risk of gastroduodenal diseases in a Korean population. METHODS: We consecutively enrolled 176 H...
May 30, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28538665/molecular-basis-of-alcohol-related-gastric-and-colon-cancer
#19
REVIEW
Hye-Kyung Na, Ja Young Lee
Many meta-analysis, large cohort studies, and experimental studies suggest that chronic alcohol consumption increases the risk of gastric and colon cancer. Ethanol is metabolized by alcohol dehydrogenases (ADH), catalase or cytochrome P450 2E1 (CYP2E1) to acetaldehyde, which is then further oxidized to acetate by aldehyde dehydrogenase (ALDH). Acetaldehyde has been classified by the International Agency for Research on Cancer (IARC) as a Group 1 carcinogen to humans. The acetaldehyde level in the stomach and colon is locally influenced by gastric colonization by Helicobacter pylori or colonic microbes, as well as polymorphisms in the genes encoding tissue alcohol metabolizing enzymes, especially ALDH2...
May 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28536487/current-status-and-challenges-in-sentinel-node-navigation-surgery-for-early-gastric-cancer
#20
Bang Wool Eom, Young-Il Kim, Hong Man Yoon, Soo-Jeong Cho, Jong Yeul Lee, Chan Gyoo Kim, Soo Jin Kim, Ji Yoon Rho, Seok Ki Kim, Myeong-Cherl Kook, Young-Woo Kim, Keun Won Ryu
Although a number of feasibility studies for sentinel node (SN) concepts in gastric cancer have been conducted since 2000, there remains a debate regarding detailed detection techniques and oncological safety. Two important multicenter phase II clinical trials were performed in Japan that used different methods and reached different conclusions; one confirmed acceptable results with a false-negative rate of 7%, and the other showed an unacceptably high false-negative rate of 46.4%. The Sentinel Node Oriented Tailored Approach (SENORITA) trial is a multicenter randomized controlled phase III trial being performed in Korea...
April 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
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