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https://www.readbyqxmd.com/read/28351024/evaluating-the-prognostic-value-of-microrna-203-in-solid-tumors-based-on-a-meta-analysis-and-the-cancer-genome-atlas-tcga-datasets
#1
Yingjie Shao, Wendong Gu, Zhonghua Ning, Xing Song, Honglei Pei, Jingting Jiang
BACKGROUND: It has been reported that miR-203 expression was aberrant in various types of cancers, and it could be used as a prognostic biomarker. Therefore, in this study, we aimed to evaluate the prognostic value of miR-203 expression in solid tumors by using meta-analysis and The Cancer Genome Atlas (TCGA) datasets. METHODS: By doing a literature research in PubMed, Embase and the Cochrane Library (last update by December 2016), we were able to identify the studies assessing the prognostic role of miR-203 in various tumors...
March 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28346697/car-t-cell-therapy-for-pancreatic-cancer
#2
REVIEW
Carl J DeSelm, Zachary E Tano, Anna M Varghese, Prasad S Adusumilli
Chimeric antigen receptor (CAR) T-cell therapy utilizes genetic engineering to redirect a patient's own T cells to target cancer cells. The remarkable results in hematological malignancies prompted investigating this approach in solid tumors such as pancreatic cancer. The complex tumor microenvironment, stromal hindrance in limiting immune response, and expression of checkpoint blockade on T cells pose hurdles. Herein, we summarize the opportunities, challenges, and state of knowledge in targeting pancreatic cancer with CAR T-cell therapy...
March 27, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28346693/using-a-novel-nqo1-bioactivatable-drug-beta-lapachone-arq761-to-enhance-chemotherapeutic-effects-by-metabolic-modulation-in-pancreatic-cancer
#3
Muhammad Shaalan Beg, Xiumei Huang, Molly A Silvers, David E Gerber, Joyce Bolluyt, Venetia Sarode, Farjana Fattah, Ralph J Deberardinis, Matthew E Merritt, Xian-Jin Xie, Richard Leff, Daniel Laheru, David A Boothman
Novel, tumor-selective therapies are needed to increase the survival rate of pancreatic cancer patients. K-Ras-mutant-driven NAD(P)H:quinone oxidoreductase 1 (NQO1) is over-expressed in pancreatic tumor versus associated normal tissue, while catalase expression is lowered compared to levels in associated normal pancreas tissue. ARQ761 undergoes a robust, futile redox cycle in NQO1+ cancer cells, producing massive hydrogen peroxide (H2 O2 ) levels; normal tissues are spared by low NQO1 and high catalase expression...
March 27, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28346394/engineered-resistant-starch-ers-diet-shapes-colon-microbiota-profile-in-parallel-with-the-retardation-of-tumor-growth-in-in-vitro-and-in-vivo-pancreatic-cancer-models
#4
Concetta Panebianco, Kaarel Adamberg, Signe Adamberg, Chiara Saracino, Madis Jaagura, Kaia Kolk, Anna Grazia Di Chio, Paolo Graziano, Raivo Vilu, Valerio Pazienza
BACKGROUND/AIMS: Pancreatic cancer (PC) is ranked as the fourth leading cause of cancer-related deaths worldwide. Despite recent advances in treatment options, a modest impact on the outcome of the disease is observed so far. We have previously demonstrated that short-term fasting cycles have the potential to improve the efficacy of chemotherapy against PC. The aim of this study was to assess the effect of an engineered resistant-starch (ERS) mimicking diet on the growth of cancer cell lines in vitro, on the composition of fecal microbiota, and on tumor growth in an in vivo pancreatic cancer mouse xenograft model...
March 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28345594/serum-lactate-dehydrogenase-predicts-prognosis-and-correlates-with-systemic-inflammatory-response-in-patients-with-advanced-pancreatic-cancer-after-gemcitabine-based-chemotherapy
#5
Shu-Lin Yu, Li-Tao Xu, Qi Qi, Ya-Wen Geng, Hao Chen, Zhi-Qiang Meng, Peng Wang, Zhen Chen
Serum lactate dehydrogenase (LDH) concentrations correlate with tumor progression and poor outcome. We evaluated the predictive value of serum LDH level for overall survival (OS) of patients with advanced pancreatic cancer after gemcitabine-based chemotherapy. We retrospectively enrolled 364 patients with locally advanced or metastatic pancreatic adenocarcinoma who were then allocated to training (n = 139) and validation cohorts (n = 225). We evaluated the association between serum LDH levels and OS as well as with markers of systemic inflammation, including neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR) and lymphocyte/monocyte ratio (LMR)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344866/cd13-hi-neutrophil-like-myeloid-derived-suppressor-cells-exert-immune-suppression-through-arginase-1-expression-in-pancreatic-ductal-adenocarcinoma
#6
Jing Zhang, Xiongfei Xu, Min Shi, Ying Chen, Danghui Yu, Chenyan Zhao, Yan Gu, Biao Yang, Shiwei Guo, Guiling Ding, Gang Jin, Chin-Lee Wu, Minghua Zhu
Perineural invasion and immunosuppressive tumor microenvironment are the distinct features of pancreatic ductal adenocarcinoma (PDAC). Heterogeneous myeloid-derived suppressor cells (MDSCs) are potent suppressors of antitumor immunity, posing obstacles for cancer immunotherapy. Increasing evidences have demonstrated the accumulation of MDSCs in PDAC patients. However, the role of MDSCs in perineural invasion of PDAC and the existence of novel MDSC subsets during PDAC remain unclear. This study found that lymphocytic perineural cuffs were frequently present in chronic pancreatitis (CP) tissues and adjacent non-neoplastic pancreatic tissues (ANPTs), but not in PDAC with perineural invasion...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344791/differential-diagnosis-of-solid-pancreatic-masses-contrast-enhanced-harmonic-ceh-eus-quantitative-elastography-qe-eus-or-both
#7
Julio Iglesias-Garcia, Björn Lindkvist, Jose Lariño-Noia, Ihab Abdulkader-Nallib, J Enrique Dominguez-Muñoz
BACKGROUND: Contrast-enhanced harmonic endoscopic ultrasound (CEH-EUS) and quantitative-elastography endoscopic ultrasound (QE-EUS) are considered useful tools for the evaluation of solid pancreatic tumors (SPT). The aim of our study was to evaluate the diagnostic accuracy of CEH-EUS, QE-EUS, and the combination of both for the differential diagnosis of SPT. METHODS: Sixty-two consecutive patients (mean age 64.3 years, range 32-89 years, 44 male) who underwent EUS for the evaluation of SPT were prospectively included...
March 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28343336/sunitinib-induced-hypothyroidism-predicts-progression-free-survival-in-metastatic-renal-cell-carcinoma-patients
#8
Anna Buda-Nowak, Jakub Kucharz, Paulina Dumnicka, Marek Kuzniewski, Roman Maria Herman, Aneta L Zygulska, Beata Kusnierz-Cabala
Sunitinib is a tyrosine kinase inhibitor (TKI) used in treatment of metastatic renal cell carcinoma (mRCC), gastrointestinal stromal tumors and pancreatic neuroendocrine tumors. One of the most common side effects related to sunitinib is hypothyroidism. Recent trials suggest correlation between the incidence of hypothyroidism and treatment outcome in patients treated with TKI. This study evaluates whether development of hypothyroidism is a predictive marker of progression-free survival (PFS) in patients with mRCC treated with sunitinib...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28343174/mirna-analysis-in-pancreatic-cancer-the-dartmouth-experience
#9
Francine B de Abreu, Xiaoying Liu, Gregory J Tsongalis
Pancreatic cancer is considered one of the most lethal cancers being the fourth leading cause of cancer deaths in adults in the United States because of the lack of early signs and symptoms and the lack of early detection. Pancreatic ductal adenocarcinoma (PDAC) is the most common histological type among pancreatic cancers, representing 80%-90% of all solid tumors of the pancreas. The majority of PDAC develops from three precursor lesions: pancreatic intraepithelial neoplasia, intraductual papillary mucinous neoplasm and mucinous cystic neoplasm...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28342938/the-impact-of-neoadjuvant-therapy-on-the-histopathological-features-of-pancreatic-ductal-adenocarcinoma-a-systematic-review-and-meta-analysis
#10
REVIEW
Stephan Schorn, Ihsan Ekin Demir, Carmen Mota Reyes, Cemil Saricaoglu, Nicole Samm, Rebekka Schirren, Elke Tieftrunk, Daniel Hartmann, Helmut Friess, Güralp Onur Ceyhan
BACKGROUND: Due to increased rates of curative tumor resections exceeding 60% after FOLFIRINOX-treatment, neoadjuvant therapy/NTx is increasingly recognized as an effective therapy option for downstaging borderline or locally advanced pancreatic ductal adenocarcinoma/PDAC. Yet, the effects of NTx on the common histopathological features of PDAC have not been systematically analysed. Therefore, the aim of the current study was to assess the impact of NTx on relevant histopathological features of PDAC...
March 14, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28342127/robotic-single-site-plus-one-port-distal-pancreatectomy
#11
Sung Hyun Kim, Chang Moo Kang, Woo Jung Lee
Laparoscopic distal pancreatectomy is regarded as safe and effective surgical approach in benign and low-grade malignant tumor of the pancreas. With the advances of laparoscopic techniques and instruments, many efforts to reduce the number of the trocar site has been made. There are a few available surgical techniques of laparoscopic single-site (single port or reduced port) distal pancreatectomy, suggesting its safety and feasibility. However, it is true that laparoscopic single-site distal pancreatectomy is difficult and technically quite demanding...
March 24, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28341789/met-tyrosine-kinase-inhibition-enhances-the-antitumor-efficacy-of-an-hgf-antibody
#12
Pamela J Farrell, Jennifer Matuszkiewicz, Deepika Balakrishna, Shweta Pandya, Mark S Hixon, Ruhi Kamran, Shaosong Chu, J David Lawson, Kengo Okada, Akira Hori, Akio Mizutani, Hidehisa Iwata, Ron de Jong, Barbara Hibner, Patrick Vincent
Receptor tyrosine kinase therapies have proven to be efficacious in specific cancer patient populations, however, a significant limitation of tyrosine kinase inhibitor (TKI) treatment is the emergence of resistance mechanisms leading to a transient, partial or complete lack of response. Combination therapies using agents with synergistic activity have potential to improve response and reduce acquired resistance. Chemoreagent or TKI treatment can lead to increased expression of HGF and/or MET and this effect correlates with increased metastasis and poor prognosis...
March 24, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28340556/innovative-substance-2250-as-a-highly-promising-anti-neoplastic-agent-in-malignant-pancreatic-carcinoma-in-vitro-and-in-vivo
#13
M Buchholz, B Majchrzak-Stiller, S Hahn, D Vangala, R W Pfirrmann, W Uhl, C Braumann, A M Chromik
BACKGROUND: Former studies already revealed the anti-neoplastic properties of the anti-infective agent Taurolidine (TRD) against many tumor species in vitro and in vivo. Its anti-proliferative and cell death inducing capacity is largely due to its main derivative Taurultam (TRLT). In this study it could be demonstrated, that substance 2250 - a newly defined innovative structural analogue of TRLT - exhibits an anti-neoplastic effect on malignant pancreatic carcinoma in vitro and in vivo...
March 24, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28339284/dpc4-gene-expression-in-primary-pancreatic-ductal-adenocarcinoma-relationship-with-ct-characteristics
#14
Sang Hyun Choi, Hyoung Jung Kim, Kyung Won Kim, Soyeon An, Seung-Mo Hong, Song Cheol Kim, Myung-Hwan Kim
OBJECTIVE: To investigate the relationship between CT imaging findings and DPC4 gene expression and determine the prognostic value of DPC4 gene expression to predict overall survival in patients with pancreatic ductal adenocarcinoma. METHODS: Between January and December 2011, we retrospectively analyzed 163 pancreatic ductal adenocarcinomas in 163 patients who had undergone surgical resection (mean age=61.8 years; range=35-81 years). We divided the study patients into 2 groups according to DPC4 gene expression: DPC4-expression or DPC4-non-expression group...
March 24, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28339085/integrated-analysis-of-mrna-and-mirna-expression-profiles-in-pancreatic-ductal-adenocarcinoma
#15
Hongwei Sun, Liang Zhao, Kehua Pan, Zhao Zhang, Mengtao Zhou, Guoquan Cao
In the present study, to investigate the potential molecular mechanism of pancreatic ductal adenocarcinoma (PDAC), mRNA and miRNA expression profiles were integrated for systematic analysis. Results showed that a total of 76 common differentially expressed genes (DEGs) were identified from 2 mRNA expression profiles that contained 39 tumor and 15 normal samples. Notably, the tumor and normal samples were able to be clearly classified into 4 groups based on the DEGs. mRNA‑miRNA regulation network analysis indicated that 22 out of the 76 DEGs including MUC4, RRM2 and CCL2 are regulated by 5 reported miRNAs...
March 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339071/direct-interaction-between-caffeic-acid-phenethyl-ester-and-human-neutrophil-elastase-inhibits-the-growth-and-migration-of-panc-1-cells
#16
Jianhui Duan, Yilixiati Xiaokaiti, Shengjun Fan, Yan Pan, Xin Li, Xuejun Li
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal malignant tumors of the digestive system, but the mechanisms of its development and progression are unclear. Inflammation is thought to be fundamental to pancreatic cancer development and caffeic acid phenethyl ester (CAPE) is an active component of honey bee resin or propolis with anti-inflammatory and anticancer activities. We investigated the inhibitory effects of CAPE on cell growth and migration induced by human neutrophil elastase (HNE) and report that HNE induced cancer cell migration at low doses and growth at higher doses...
March 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339041/tanshinone-iia-increases-protein-expression-levels-of-perk-atf6-ire1%C3%AE-chop-caspase%C3%A2-3-and-caspase%C3%A2-12-in-pancreatic-cancer-bxpc%C3%A2-3-cell%C3%A2-derived-xenograft-tumors
#17
Tsung-Lang Chiu, Chin Cheng Su
Tanshinone (Tan)-IIA is a derivative of phenanthrenequinone and the main active ingredient isolated from Salviae miltiorrhizae radix (Danshen). Previous studies have demonstrated that Tan‑IIA increased the protein expressions levels of protein kinase RNA‑like endoplasmic reticulum kinase (PERK), activating transcription factor (ATF) 6, caspase‑12 and CCAAT‑enhancer‑binding protein homologous protein (CHOP), to induce endoplasmic reticulum (ER) stress and apoptosis in human pancreatic cancer BxPC‑3 cells...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338509/patterns-timing-and-predictors-of-recurrence-following-pancreatectomy-for-pancreatic-ductal-adenocarcinoma
#18
Vincent P Groot, Neda Rezaee, Wenchuan Wu, John L Cameron, Elliot K Fishman, Ralph H Hruban, Matthew J Weiss, Lei Zheng, Christopher L Wolfgang, Jin He
OBJECTIVE: To describe accurately the pattern, timing, and predictors of disease recurrence after a potentially curative resection for pancreatic ductal adenocarcinoma (PDAC). SUMMARY BACKGROUND DATA: After surgery for PDAC, most patients will develop disease recurrence. Understanding the patterns and timing of disease failure can help guide improvements in therapy. METHODS: Patients who underwent pancreatectomy for PDAC at the Johns Hopkins Hospital between 2000 and 2010 were included...
March 23, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28338506/a-preliminary-report-radical-surgery-and-stem-cell-transplantation-for-the-treatment-of-patients-with-pancreatic-cancer
#19
Brigitta Omazic, Burcu Ayoglu, Matthias Löhr, Ralf Segersvärd, Caroline Verbeke, Isabelle Magalhaes, Zuzana Potacova, Jonas Mattsson, Alexei Terman, Sam Ghazi, Nils Albiin, Nikolaos Kartalis, Peter Nilsson, Thomas Poiret, Liu Zhenjiang, Rainer Heuchel, Jochen M Schwenk, Johan Permert, Markus J Maeurer, Olle Ringden
We examined the immunologic effects of allogeneic hematopoietic stem cell transplantation (HSCT) in the treatment of pancreatic ductal adenocarcinoma, a deadly disease with a median survival of 24 months for resected tumors and a 5-year survival rate of 6%. After adjuvant chemotherapy, 2 patients with resected pancreatic ductal adenocarcinoma underwent HSCT with HLA-identical sibling donors. Comparable patients who underwent radical surgery, but did not have a donor, served as controls (n=6). Both patients developed humoral and cellular (ie, HLA-A*01:01-restricted) immune responses directed against 2 novel tumor-associated antigens (TAAs), INO80E and UCLH3 after HSCT...
March 23, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28338171/-advances-of-circulating-biomarkers-in-gastroenteropancreatic-neuroendocrine-neoplasms
#20
Luohai Chen, Minhu Chen, Jie Chen
Gastroenteropancreatic neuroendocrine neoplam (GEP-NEN) is a rare group of tumors with its incidence rising significantly in recent decades. Because of the late presentation of the disease and limitations in conventional biomarkers, about 50% of GEP-NEN patients manifests advanced disease when diagnosed. Therefore, it is vital to identify circulating biomarkers which can not only be used for early diagnosis but also accurately evaluating the biological behavior of GEP-NEN. This review summarizes the advances of circulating biomarkers in diagnosing and evaluating efficacy of treatment in GEP-NEN...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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