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pancreatic cancer staging

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https://www.readbyqxmd.com/read/28523756/isolation-of-circulating-tumor-cells-in-pancreatic-cancer-patients-by-immunocytochemical-assay
#1
Jing Yang, Ying Zhou, Bin Zhao
BACKGROUND: The patients diagnosed with pancreatic cancer have the possibilities of getting the cancer again even after resection. The tumor cells identified from blood can be related to different stages of tumor. METHODS: In this study, we used an immunoassay to detect circulating tumor cells in blood and bone marrow samples. About 120 patients' blood and bone marrow samples were used in this study along with controls. The presence of tumor cells was evaluated with different stages of cancer classified by UICC...
May 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28523575/znf281-promotes-growth-and-invasion-of-pancreatic-cancer-cells-by-activating-wnt-%C3%AE-catenin-signaling
#2
Yu Qian, Jingyi Li, Suhua Xia
BACKGROUND: Zinc finger protein 281 (ZNF281) has been identified to be involved in embryonic stem cell differentiation and tissue development. Also, ZNF281 was found in various types of cancers. However, its biological functions and clinical significance in pancreatic cancer remain elusive. AIMS: To explore the role of ZNF281 in pancreatic cancer cells proliferation and invasion. METHODS: ZNF281 expression was examined in public database Oncomine and cBioPortal...
May 18, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28521407/clinicopathological-implications-of-nqo1-overexpression-in-the-prognosis-of-pancreatic-adenocarcinoma
#3
Meiying Ji, Aihua Jin, Jie Sun, Xuelian Cui, Yang Yang, Liyan Chen, Zhenhua Lin
Nicotinamide adenine dinucleotide phosphate: quinone oxidoreductase 1 (NQO1) protects cells from oxidative damage. NQO1 has been reported to be upregulated in numerous solid tumors, suggesting a role in carcinogenesis and tumor progression. The present study attempted to investigate the clinical prognostic significance of NQO1 overexpression in pancreatic ductal adenocarcinoma (PDAC). A total of 181 tissue specimens were studied, including 126 PDAC and 55 normal pancreas specimens, which were selected for immunohistochemical staining of NQO1 protein...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516291/downstaging-in-stage-iv-pancreatic-cancer-a-new-population-eligible-for-surgery
#4
Isabella Frigerio, Paolo Regi, Alessandro Giardino, Filippo Scopelliti, Roberto Girelli, Claudio Bassi, Stefano Gobbo, Paolo Tinazzi Martini, Paola Capelli, Mirko D'Onofrio, Giuseppe Malleo, Laura Maggino, Elena Viviani, Giovanni Butturini
BACKGROUND: Recent papers consider surgery as an option for synchronous liver oligometastatic patients [metastatic pancreatic ductal adenocarcinoma (mPDAC)]. In this study, we present our series of resected mPDACs after neoadjuvant chemotherapy (nCT). PATIENTS AND METHODS: All patients resected after downstaging of mPDAC were included in this study. Downstaging criteria were disappearance of liver metastasis and a decrease in cancer antigen (CA) 19-9. The type and duration of nCT, last nCT surgery interval, histology, morbidity, and mortality were recorded, and overall survival (OS) and disease-free survival (DFS) were analyzed...
May 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28516004/endoscopic-ultrasound-reaching-where-others-can-t
#5
Fady G Haddad, Magda Daoud, Ying Liu, Sherif Andrawes
Endoscopic ultrasound (EUS) has been increasingly used for the diagnosis and staging of pancreatic cancer. It has recently become the modality of choice in assessing pancreatic lesions overcoming other traditional modalities. Typically lesions located at the tail of the pancreas are best accessed through the stomach. We present a patient with pancreatic tail mass occurring in the setting of a large hiatal hernia, intrathoracic stomach, and severe lumbar levoscoliosis. Due to altered anatomy and extensive vascular connections of the mass, any surgical or radiological intervention was considered high risk for the patient...
April 15, 2017: Curēus
https://www.readbyqxmd.com/read/28501118/impact-of-chromogranin-a-differentiation-and-mitoses-in-nonfunctional-pancreatic-neuroendocrine-tumors-%C3%A2-2%C3%A2-cm
#6
Katelin A Mirkin, Christopher S Hollenbeak, Joyce Wong
BACKGROUND: Small pancreatic neuroendocrine tumors (PNETs) are a unique subset of pancreatic neoplasms. Chromogranin A (CgA) levels, mitotic rate, and histologic differentiation are often used to characterize PNET behavior. This study evaluates the impact of these factors on survival in patients with PNETs. METHODS: The US National Cancer Data Base (1998-2012) was reviewed for patients with stages I-III, nonfunctional PNETs ≤2 cm. Clinicopathologic characteristics were collected, and univariate and multivariate survival analyses were performed...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28499439/the-role-of-tgf-%C3%AE-and-its-crosstalk-with-rac1-rac1b-signaling-in-breast-and-pancreas-carcinoma
#7
REVIEW
Catharina Melzer, Ralf Hass, Juliane von der Ohe, Hendrik Lehnert, Hendrik Ungefroren
This article focusses on the role of TGF-β and its signaling crosstalk with the RHO family GTPases RAC1 and RAC1b in the progression of breast and pancreatic carcinoma. The aggressive nature of these tumor types is mainly due to metastatic dissemination. Metastasis is facilitated by desmoplasia, a peculiar tumor microenvironment and the ability of the tumor cells to undergo epithelial-mesenchymal transition (EMT) and to adopt a motile and invasive phenotype. These processes are controlled entirely or in part by TGF-β and the small RHO GTPase RAC1 with both proteins acting as tumor promoters in late-stage cancers...
May 12, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28495639/safety-and-tolerability-of-the-first-in-class-agent-cpi-613-in-combination-with-modified-folfirinox-in-patients-with-metastatic-pancreatic-cancer-a-single-centre-open-label-dose-escalation-phase-1-trial
#8
Angela Alistar, Bonny B Morris, Rodwige Desnoyer, Heidi D Klepin, Keyanoosh Hosseinzadeh, Clancy Clark, Amy Cameron, John Leyendecker, Ralph D'Agostino, Umit Topaloglu, Lakmal W Boteju, Asela R Boteju, Rob Shorr, Zuzana Zachar, Paul M Bingham, Tamjeed Ahmed, Sandrine Crane, Riddhishkumar Shah, John J Migliano, Timothy S Pardee, Lance Miller, Gregory Hawkins, Guangxu Jin, Wei Zhang, Boris Pasche
BACKGROUND: Pancreatic cancer statistics are dismal, with a 5-year survival of less than 10%, and more than 50% of patients presenting with metastatic disease. Metabolic reprogramming is an emerging hallmark of pancreatic adenocarcinoma. CPI-613 is a novel anticancer agent that selectively targets the altered form of mitochondrial energy metabolism in tumour cells, causing changes in mitochondrial enzyme activities and redox status that lead to apoptosis, necrosis, and autophagy of tumour cells...
May 8, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28494747/new-diagnostic-and-therapeutic-aspects-of-pancreatic-ductal-adenocarcinoma
#9
Harald Mangge, Tobias Niedrist, Wilfried Renner, Stefan Lyer, Christoph Alexiou, Johannes Haybaeck
Pancreatic ductal adenocarcinoma (PDAC) is devastating. Because of its silent nature, the disease is often only diagnosed once it has reached an advanced, frequently inoperable stage. To date, we have no biomarkers that facilitate earlier diagnosis, leaving sufficient time for curative therapy that effectively lowers the very high mortality rate of this cancer entity. Because of this, the life expectancy of patients with PDAC is low (i.e. < 6% five-year survival rates). New data, including particular genetic signatures and features of the stromal architecture of PDAC tumors, may better explain their aggressiveness, their relatively long-lasting painless expansion, and why chemotherapy so frequently fails...
May 10, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28490741/circulating-mirna-21-5p-as-a-diagnostic-biomarker-for-pancreatic-cancer-evidence-from-comprehensive-mirna-expression-profiling-analysis-and-clinical-validation
#10
Kai Qu, Xing Zhang, Ting Lin, Tian Liu, Zhixin Wang, Sushun Liu, Lei Zhou, Jichao Wei, Hulin Chang, Ke Li, Zheng Wang, Chang Liu, Zheng Wu
Pancreatic cancer (PC) is a highly fatal disease worldwide and is often misdiagnosed in its early stages. The exploration of novel non-invasive biomarkers will definitely benefit PC patients. Recently, circulating miRNAs in body fluids are emerging as non-invasive biomarkers for PC diagnosis. In this study, we first conducted comprehensive robust rank aggregation (RRA) analysis based on 21 published miRome profiling studies. We statistically identified and clinically validated a miRNA expression pattern in PC patients...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28489168/angiolymphatic-invasion-as-a-prognostic-fator-in-resected-n0-pancreatic-adenocarcinoma
#11
Ricardo Vitor Silva de Almeida, Adhemar Monteiro Pacheco-Jr, Rodrigo Altenfelder Silva, André de Moricz, Tércio de Campos
Background: Pancreatic adenocarcinoma remains one of the worst digestive cancers. Surgical resection is the main target when treating a patient with curative intent. Aim: To assess angiolymphatic invasion as a prognostic factor in resected pN0 pancreatic cancer. Methods: Thirty-eight patients were submitted to pancreatoduodenectomy due to head pancreatic cancer. Tumor size, margins, lymph nodes, pTNM staging, angiolymphatic and perineural invasion were described in the pathologists' reports...
January 2017: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28487613/outcomes-and-prognostic-factors-of-patients-with-stage-ib-and-iia-pancreatic-cancer-according-to-the-8-th-edition-american-joint-committee-on-cancer-criteria
#12
Yang Li, Chuan-Gang Tang, Yu Zhao, Wu-You Cao, Guo-Feng Qu
AIM: To evaluate the changes in the 8(th) edition American Joint Committee on Cancer (AJCC) for defining stage IB and IIA pancreatic cancer and identify their prognostic factors. METHODS: Pancreatic cancer patients were selected from the Surveillance Epidemiology and End Results database (1973-2013). The enrolled patients were divided into IB and IIA groups based on tumor size according to the 8(th) edition AJCC criteria. Clinical characteristics, including age, gender, race, tumor size, primary site, and grade were summarized...
April 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28487044/regional-variation-in-the-treatment-of-pancreatic-adenocarcinoma-decreasing-disparities-with-multimodality-therapy
#13
Gyulnara G Kasumova, Mariam F Eskander, Susanna W L de Geus, Mario Matiotti Neto, Omidreza Tabatabaie, Sing Chau Ng, Rebecca A Miksad, Anand Mahadevan, James R Rodrigue, Jennifer F Tseng
BACKGROUND: Survival in pancreatic cancer remains poor with curative potential dependent on operative resection. We reviewed national adherence to practice guidelines to evaluate regional variation in the treatment and survival of patients with pancreatic cancer. METHODS: Retrospective cohort review of adults with pancreatic adenocarcinoma using the National Cancer Data Base from 2006 to 2013. Overall survival was compared by the Kaplan-Meier method and Cox proportional hazards models...
May 6, 2017: Surgery
https://www.readbyqxmd.com/read/28482348/prolonged-neoadjuvant-therapy-for-locally-advanced-pancreatic-cancer
#14
Hidetoshi Eguchi, Daisaku Yamada, Yoshifumi Iwagami, Kunihito Gotoh, Koichi Kawamoto, Hiroshi Wada, Tadafumi Asaoka, Takehiro Noda, Yutaka Takeda, Masahiro Tanemura, Daisuke Sakai, Taroh Satoh, Toshihiro Kudo, Fumiaki Isohashi, Masaki Mori, Yuichiro Doki
PURPOSE: The purpose of this study was to investigate if prolonged neoadjuvant therapy, for locally advanced pancreatic cancer could be used to identify those patients who could benefit from resection surgery. METHODS: Thirty-four patients with locally advanced pancreatic cancer invading the adjacent major arteries underwent chemoradiotherapy, followed by 6 months of systemic chemotherapy, unless their tumor was already resectable. After this combination treatment, surgical resection was performed on those patients with tumors judged to be at least borderline resectable...
May 9, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28473189/a-tale-of-two-cancers-traveling-to-treat-pancreatic-and-thyroid-cancer
#15
Michael G White, Megan K Applewhite, Edwin L Kaplan, Peter Angelos, Dezheng Huo, Raymon H Grogan
BACKGROUND: Patients diagnosed with a malignancy must decide whether to travel for care at an academic center or receive treatment at a nearby hospital. Here we examine differences in demographics, treatment, and outcomes of those traveling to academic centers for their care vs those not traveling, as well as compare travel for an aggressive vs indolent malignancy. STUDY DESIGN: All patients with papillary thyroid carcinoma (PTC) or pancreatic ductal adenocarcinoma (PDAC) undergoing surgical resection and in the National Cancer Database were examined...
March 25, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28471475/differential-expression-of-aquaporin-3-and-aquaporin-5-in-pancreatic-ductal-adenocarcinoma
#16
Inês Direito, Jorge Paulino, Emanuel Vigia, Maria Alexandra Brito, Graça Soveral
BACKGROUND AND OBJECTIVES: Aquaporin-5 (AQP5) and -3 (AQP3) are protein channels that showed to be up-regulated in a variety of tumors. Our goal was to investigate the expression pattern of AQP5 and AQP3 in pancreatic ductal adenocarcinomas (PDA) and correlate with cell proliferation, tumor stage and progression, and clinical significance. METHODS: 35 PDA samples in different stages of differentiation and locations were analyzed by immunohistochemistry for expression of AQP5, AQP3 and several markers of cell proliferation and tumorigenesis...
May 4, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28470829/soluble-mica-is-elevated-in-pancreatic-cancer-results-from-a-population-based-case-control-study
#17
Guillaume Onyeaghala, Heather H Nelson, Bharat Thyagarajan, Amy M Linabery, Angela Panoskaltsis-Mortari, Myron Gross, Kristin E Anderson, Anna E Prizment
OBJECTIVES: Pancreatic cancer is diagnosed at a late stage and has one of the highest cancer mortality rates in the U.S., creating an urgent need for novel early detection tools. A candidate biomarker for use in early detection is the soluble MHC class I-related chain A (s-MICA) ligand, which pancreatic tumors shed to escape immune detection. The objective of this study was to define the association between s-MICA levels and pancreatic cancer, in a population-based case-control study...
May 4, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28470677/genetic-polymorphisms-associated-with-pancreatic-cancer-survival-a-genome-wide-association-study
#18
Hongwei Tang, Peng Wei, Ping Chang, Yanan Li, Dong Yan, Chang Liu, Manal Hassan, Donghui Li
Previous findings on the association of genetic factors and pancreatic cancer survival are limited and inconsistent. In a two-stage study, we analyzed the existing genome-wide association study dataset of 868 pancreatic cancer patients from MD Anderson Cancer Center in relation to overall survival using Cox regression. Top hits were selected for replication in another 820 patients from the same institution using the Taqman genotyping method. Functional annotation, pathway analysis, and gene expression analysis were conducted using existing software and databases...
May 3, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28468577/abc-gene-expression-profiles-have-clinical-importance-and-possibly-form-a-new-hallmark-of-cancer
#19
Pavel Dvorak, Martin Pesta, Pavel Soucek
Adenosine triphosphate-binding cassette proteins constitute a large family of active transporters through extracellular and intracellular membranes. Increased drug efflux based on adenosine triphosphate-binding cassette protein activity is related to the development of cancer cell chemoresistance. Several articles have focused on adenosine triphosphate-binding cassette gene expression profiles (signatures), based on the expression of all 49 human adenosine triphosphate-binding cassette genes, in individual tumor types and reported connections to established clinicopathological features...
May 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28467443/novel-plasma-telomerase-detection-method-to-improve-cancer-diagnostic-assessment
#20
George Hilal, Ruth Reitzel, Zainab Al Hamal, Anne-Marie Chaftari, Iba Al Wohoush, Ying Jiang, Ray Hachem, Issam I Raad
BACKGROUND: The activity levels of telomerase and its mRNA have been found to be more diagnostically sensitive than cytological results in many cancerous tissues and correlate well with the clinical disease stage. Currently, there are several methods of detecting telomerase in tissues and in blood. The most commonly used method is a conventional quantitative real-time polymerase chain reaction (PCR) which is time and labor exhausting. METHODS: We have developed a simple and innovative blood test method that allows us to diagnose cancer and relapsed cancer in a cost- and time -effective manner...
2017: PloS One
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