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https://www.readbyqxmd.com/read/29352660/clinical-significance-of-muc13-in-pancreatic-ductal-adenocarcinoma
#1
Sheema Khan, Nadeem Zafar, Shabia S Khan, Saini Setua, Stephen W Behrman, Zachary E Stiles, Murali M Yallapu, Peeyush Sahay, Hemendra Ghimire, Tomoko Ise, Satoshi Nagata, Lei Wang, Jim Y Wan, Prabhakar Pradhan, Meena Jaggi, Subhash C Chauhan
BACKGROUND: Poor prognosis of pancreatic cancer (PanCa) is associated with lack of an effective early diagnostic biomarker. This study elucidates significance of MUC13, as a diagnostic/prognostic marker of PanCa. METHODS: MUC13 was assessed in tissues using our in-house generated anti-MUC13 mouse monoclonal antibody and analyzed for clinical correlation by immunohistochemistry, immunoblotting, RT-PCR, computational and submicron scale mass-density fluctuation analyses, ROC and Kaplan Meir curve analyses...
January 15, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29352574/mismatch-repair-status-as-a-beneficial-predictor-of-fluorouracil-based-adjuvant-chemotherapy-for-pancreatic-cancer
#2
Dingkong Liang, Si Shi, Chen Liang, Qingcai Meng, Bo Zhang, Quanxing Ni, Jin Xu, Xianjun Yu
BACKGROUND: Prior studies have indicated that patients with colorectal cancer with deficient mismatch repair have particular clinicopathologic features that distinguish them from patients with tumors with proficient mismatch repair. However, the effect of the mismatch repair status on outcomes after adjuvant chemotherapy for pancreatic cancer is still unknown. METHODS: Pancreatic cancer patients who underwent R0 resection between January 2013 and December 2015 at Fudan University Shanghai Cancer Center were included in this study...
January 15, 2018: Surgery
https://www.readbyqxmd.com/read/29352379/magnetic-resonance-with-diffusion-weighted-imaging-improves-assessment-of-focal-liver-lesions-in-patients-with-potentially-resectable-pancreatic-cancer-on-ct
#3
Sun Kyung Jeon, Jeong Min Lee, Ijin Joo, Dong Ho Lee, Su Joa Ahn, Hyunsik Woo, Myoung Seok Lee, Jin-Young Jang, Joon Koo Han
PURPOSE: To investigate added value of MRI to preoperative staging MDCT for evaluation of focal liver lesions (FLLs) in potentially resectable pancreatic ductal adenocarcinomas (PDACs). MATERIALS AND METHODS: In patients with potentially resectable PDACs after staging MDCT (n=167), characteristics of FLLs were scored as benign, indeterminate or metastases on an MDCT set and combined MDCT and MRI set by two readers, independently. Size of hepatic lesions was measured and detection rate of hepatic metastasis unsuspected by MDCT and diagnostic yield of MRI for FLLs were assessed...
January 19, 2018: European Radiology
https://www.readbyqxmd.com/read/29352139/mitochondrial-glutamine-metabolism-via-got2-supports-pancreatic-cancer-growth-through-senescence-inhibition
#4
Seungyeon Yang, Sunsook Hwang, Minjoong Kim, Sung Bin Seo, Jeong-Hwa Lee, Seung Min Jeong
Cellular senescence, which leads to a cell cycle arrest of damaged or dysfunctional cells, is an important mechanism to restrain the malignant progression of cancer cells. Because metabolic changes underlie many cell-fate decisions, it has been suggested that cell metabolism might play key roles in senescence pathways. Here, we show that mitochondrial glutamine metabolism regulates senescence in human pancreatic ductal adenocarcinoma (PDAC) cells. Glutamine deprivation or inhibition of mitochondrial aspartate transaminase (GOT2) results in a profound induction of senescence and a suppression of PDAC growth...
January 19, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29351121/serum-immunoglobulin-g4-in-discriminating-autoimmune-pancreatitis-from-pancreatic-cancer-a-diagnostic-meta-analysis
#5
Cong Dai, Qin Cao, Min Jiang, Ming-Jun Sun
OBJECTIVE: Differentiation between autoimmune pancreatitis (AIP) and pancreatic cancer (PC) is a clinical challenge. Emerging published data on the accuracy of serum immunoglobulin G4 (IgG4) for the differential diagnosis between AIP and PC are inconsistent. The objective of our study was to perform a meta-analysis evaluating the clinical utility of serum IgG4 in the differential diagnosis between AIP and PC. METHODS: We performed a systematic literature search of multiple electronic databases...
January 18, 2018: Pancreas
https://www.readbyqxmd.com/read/29350579/evaluation-of-respiratory-motion-corrected-cone-beam-ct-at-end-expiration-in-abdominal-radiotherapy-sites-a-prospective-study
#6
Russell E Kincaid, Agung E Hertanto, Yu-Chi Hu, Abraham J Wu, Karyn A Goodman, Hai D Pham, Ellen D Yorke, Qinghui Zhang, Qing Chen, Gig S Mageras
BACKGROUND: Cone beam computed tomography (CBCT) for radiotherapy image guidance suffers from respiratory motion artifacts. This limits soft tissue visualization and localization accuracy, particularly in abdominal sites. We report on a prospective study of respiratory motion-corrected (RMC)-CBCT to evaluate its efficacy in localizing abdominal organs and improving soft tissue visibility at end expiration. MATERIAL AND METHODS: In an IRB approved study, 11 patients with gastroesophageal junction (GEJ) cancer and five with pancreatic cancer underwent a respiration-correlated CT (4DCT), a respiration-gated CBCT (G-CBCT) near end expiration and a one-minute free-breathing CBCT scan on a single treatment day...
January 19, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29349096/safety-and-efficacy-of-aav-retrograde-pancreatic-ductal-gene-delivery-in-normal-and-pancreatic-cancer-mice
#7
Kayla A Quirin, Jason J Kwon, Arafat Alioufi, Tricia Factora, Constance J Temm, Max Jacobsen, George E Sandusky, Kim Shontz, Louis G Chicoine, K Reed Clark, Joshua T Mendell, Murray Korc, Janaiah Kota
Recombinant adeno-associated virus (rAAV)-mediated gene delivery shows promise to transduce the pancreas, but safety/efficacy in a neoplastic context is not well established. To identify an ideal AAV serotype, route, and vector dose and assess safety, we have investigated the use of three AAV serotypes (6, 8, and 9) expressing GFP in a self-complementary (sc) AAV vector under an EF1α promoter (scAAV.GFP) following systemic or retrograde pancreatic intraductal delivery. Systemic delivery of scAAV9.GFP transduced the pancreas with high efficiency, but gene expression did not exceed >45% with the highest dose, 5 × 1012 viral genomes (vg)...
March 16, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29348875/radiosensitization-of-the-pi3k-inhibitor-hs-173-through-reduction-of-dna-damage-repair-in-pancreatic-cancer
#8
Jung Hee Park, Kyung Hee Jung, Soo Jung Kim, Zhenghuan Fang, Hong Hua Yan, Mi Kwon Son, Juyoung Kim, Yeo Wool Kang, Ji Eun Lee, Boreum Han, Joo Han Lim, Soon-Sun Hong
Activation of PI3K/AKT pathway occurs frequently in tumors and is correlated with radioresistance. The PI3K/AKT pathway can be an important target for improvement of radiotherapy. Although adding of chemotherapy to radiation therapy regimen enhances survival in patients with locally advanced pancreatic cancer, more effective therapies for increasing radiosensitivity are urgently needed. In this study, we investigated whether the novel PI3K inhibitor HS-173 could attenuate radiation-induced up-regulation of DNA damage repair processes and assessed its efficacy as a radio- and chemo-sensitizer...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348852/reduced-fbxw7-expression-in-pancreatic-cancer-correlates-with-poor-prognosis-and-chemotherapeutic-resistance-via-accumulation-of-mcl1
#9
Norihiro Ishii, Kenichiro Araki, Takehiko Yokobori, Dorgormaa Gantumur, Takahiro Yamanaka, Bolag Altan, Mariko Tsukagoshi, Takamichi Igarashi, Akira Watanabe, Norio Kubo, Yasuo Hosouchi, Hiroyuki Kuwano, Ken Shirabe
Pancreatic cancer is a highly malignant tumor type with poor outcomes, and elucidation of the mechanisms involved in cancer progression and therapeutic resistance is critical. FBXW7 is a key regulator of tumor malignant potential, and its substrate MCL1 regulates therapeutic resistance in human malignancies. Therefore, determination of the relevance of FBXW7 expression is critical for improving patient outcomes. In this study, we investigated the function and clinical significance of FBXW7 in pancreatic cancer...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348577/targeting-b-cell-receptor-signalling-in-cancer-preclinical-and-clinical-advances
#10
REVIEW
Jan A Burger, Adrian Wiestner
B cell receptor (BCR) signalling is crucial for normal B cell development and adaptive immunity. BCR signalling also supports the survival and growth of malignant B cells in patients with B cell leukaemias or lymphomas. The mechanism of BCR pathway activation in these diseases includes continuous BCR stimulation by microbial antigens or autoantigens present in the tissue microenvironment, activating mutations within the BCR complex or downstream signalling components and ligand-independent tonic BCR signalling...
January 19, 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29348149/in-memoriam-ben-barres
#11
Nicola J Allen, Richard Daneman
Ben Barres, professor of neurobiology at Stanford University and member of the JCB editorial board for over 15 years, passed away on December 27, 2017, after a lengthy battle with pancreatic cancer. Ben left an indelible mark on the scientific community as a scientist, an advocate for equality, and an unbelievably supportive mentor. As a scientist his creative approaches led him to remarkable discoveries about the importance of glial cells in the brain, and his passion elevated these cells from the "other cells in the brain" to a significant place in the consciousness of neurobiology...
January 18, 2018: Journal of Cell Biology
https://www.readbyqxmd.com/read/29347944/expression-of-ugp2-and-cfl1-expression-levels-in-benign-and-malignant-pancreatic-lesions-and-their-clinicopathological-significance
#12
Lingxiang Wang, Li Xiong, Zhengchun Wu, Xiongying Miao, Ziru Liu, Daiqiang Li, Qiong Zou, Zhulin Yang
BACKGROUND: This study investigated UGP2 (uridine diphosphate-glucose pyrophosphorylase-2) and CFL1 (cofilin-1) expression in pancreatic ductal carcinoma (PDC), paracancerous tissue (PT), benign lesions (BL), and normal tissue (NT) and their clinicopathological significance. METHODS: Surgical specimens, which were collected from 106 cases of pancreatic ductal carcinoma, 35 cases of paracancerous tissues, 55 cases of benign lesions and 13 cases of normal pancreatic tissues, were fixed with 4% formaldehyde to prepare conventional paraffin-embedded sections...
January 18, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29346805/mesenteric-vessel-patency-following-hifu-therapy-in-patients-with-locally-invasive-pancreatic-cancer
#13
Holger M Strunk, Caroline Lützow, Jana Henseler, Martin Mücke, Maximilian Rauch, Christian Marx, Hans H Schild, Milka Marinova
PURPOSE:  To evaluate the effects of HIFU therapy on visceral vessel patency in patients with inoperable locally invasive pancreatic cancer. MATERIALS AND METHODS:  50 pancreatic cancer patients (26 men, 24 women) aged 41 - 82 years (65.0 ± 10.2) underwent ultrasonography (US) and computed tomography (CT) examinations before and within one day after HIFU treatment, as well as at follow-up at six weeks, three months and six months. Evaluation and grading were performed by two experienced independent radiologists according to a classification scheme based on vessel involvement, vessel diameter, patency, and defects in flow...
January 18, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29346216/obesity-and-pancreatic-cancer-overview-of-epidemiology-and-potential-prevention-by-weight-loss
#14
Mu Xu, Xiaoman Jung, O Joe Hines, Guido Eibl, Yijun Chen
Currently, there are no effective preventive strategies for pancreatic cancer. Obesity has been increasingly recognized as a strong but modifiable risk factor of pancreatic cancer. In this article, we aim to review the literature regarding weight loss on prevention of pancreatic cancer. Epidemiological and laboratory studies have shown that obesity is associated with increased incidence of pancreatic cancer and potentially worse cancer outcome. Whereas the underlying pathomechanisms remain unclear, chronic inflammation, insulin resistance, and altered intestinal microbiota are all implicated in the carcinogenic effect of obesity...
February 2018: Pancreas
https://www.readbyqxmd.com/read/29346214/validation-of-biomarkers-for-early-detection-of-pancreatic-cancer-summary-of-the-alliance-of-pancreatic-cancer-consortia-for-biomarkers-for-early-detection-workshop
#15
Matthew R Young, Paul D Wagner, Sharmistha Ghosh, Jo Ann Rinaudo, Stuart G Baker, Kenneth S Zaret, Michael Goggins, Sudhir Srivastava
Pancreatic cancer is the third leading cause of cancer death in the United States, and the 5-year relative survival for patients diagnosed with pancreatic cancer is less than 10%. Early intervention is the key to a better survival outcome. Currently, there are no biomarkers that can reliably detect pancreatic cancer at an early stage or identify precursors that are destined to progress to malignancy. The National Cancer Institute in partnership with the Kenner Family Research Fund and the Pancreatic Cancer Action Network convened a Data Jamboree on Biomarkers workshop on December 5, 2016, to discuss and evaluate existing or newly developed biomarkers and imaging methods for early detection of pancreatic cancer...
February 2018: Pancreas
https://www.readbyqxmd.com/read/29346059/fermented-extraction-of-citrus-unshiu-peel-inhibits-viability-and-migration-of-human-pancreatic-cancers
#16
Jungwhoi Lee, Jungsul Lee, Myungseung Kim, Jae Hoon Kim
Pancreatic cancer is one of the most dangerous cancers with high mortality rates. Despite continuous efforts, there has been limited improvement in its prognosis. In this study, we prepared fermented extract of Citrus unshiu peel (fCUP) from the by-product after juice processing and then examined the anticancer effects of fCUP on human pancreatic cancer cells. Treatment with fCUP inhibited the growth of human pancreatic cancer cells through induction of caspase-3 cleavage both in vitro and in vivo. Treatment with fCUP also blocked the migration of human pancreatic cancer cells through activation of intracellular signaling pathways such as MKK3/6 and P38...
January 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29345285/the-epitranscriptome-m6a-writer-mettl3-promotes-chemo-and-radioresistance-in-pancreatic-cancer-cells
#17
Kosuke Taketo, Masamitsu Konno, Ayumu Asai, Jun Koseki, Masayasu Toratani, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii, Kazuhiko Ogawa
N6-methyladenosine (m6A) is the most abundant epitranscriptome modification in mammalian mRNA. Recent years have seen substantial progress in m6A epitranscriptomics, indicating its crucial roles in the initiation and progression of cancer through regulation of RNA stabilities, mRNA splicing, microRNA processing and mRNA translation. However, by what means m6A is dynamically regulated or written by enzymatic components represented by methyltransferase-like 3 (METTL3) and how m6A is significant for each of the numerous genes remain unclear...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344878/gemcitabine-and-taxane-adjuvant-therapy-with-chemoradiation-in-resected-pancreatic-cancer-a-novel-strategy-for-improved-survival
#18
Zaheer S Kanji, Alicia M Edwards, Margaret T Mandelson, Nadav Sahar, Bruce S Lin, Kasra Badiozamani, Guobin Song, Adnan Alseidi, Thomas R Biehl, Richard A Kozarek, William S Helton, Vincent J Picozzi, Flavio G Rocha
BACKGROUND: Gemcitabine-taxane combination chemotherapy has demonstrated a survival benefit clinically in metastatic pancreatic cancer (PC). The authors present their experience with gemcitabine and docetaxel (gem/tax)-based adjuvant treatment (Rx) after surgery with curative intent. METHODS: Patients with de novo resectable PC from January 2010 to December 2015 were identified from the authors' institutional database and registry. The study included only patients who received gem/tax as their initial Rx administered exclusively at the authors' institution with or without chemoradiation (CRTx)...
January 17, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29344736/predictors-of-analgesic-efficacy-of-neurolytic-celiac-plexus-block-in-patients-with-unresectable-pancreatic-cancer-the-importance-of-timing
#19
Duck Mi Yoon, Kyung Bong Yoon, In Chan Baek, Seo Hee Ko, Shin Hyung Kim
BACKGROUND: Neurolytic celiac plexus block (NCPB) is a safe and effective method for reducing abdominal cancer pain. However, the analgesic efficacy of NCPB is not always guaranteed. The aim of this retrospective study was to identify predictors for the analgesic efficacy of NCPB in patients with unresectable pancreatic cancer. METHODS: Patients with unresectable pancreatic cancer who underwent NCPB from 2006 to 2015 were enrolled. Good analgesia after NCPB was defined as ≥ 50% reduction in pain score at day 30...
January 17, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29344675/expression-and-prognostic-significance-of-trpv6-in-the-development-and-progression-of-pancreatic-cancer
#20
He Song, Ming Dong, Jianping Zhou, Weiwei Sheng, Xin Li, Wei Gao
In this study, we aimed to clarify the expression and biological functions of TRPV6 in human pancreatic cancer (PC) tissue and pancreatic cancer (PC) cell lines. TRPV6 was up-regulated in the primary cancer tissues from pancreatic cancer (PC) patients. TRPV6 may regulate multiple proteins related to apoptosis, cell cycle and metastasis pathways. Silencing TRPV6 significantly inhibited invasion, proliferation and migration and induced apoptosis and cell cycle arrest. TRPV6 plays a promising role of an oncogene in pancreatic carcinogenesis and represents the new potential biomarker for PC...
January 15, 2018: Oncology Reports
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