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Pancreatic cancer

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https://www.readbyqxmd.com/read/30023833/therapeutic-radiopharmaceuticals-targeting-integrin-%C3%AE-v%C3%AE-6
#1
Stefanie Felicitas Färber, Alexander Wurzer, Florian Reichart, Roswitha Beck, Horst Kessler, Hans-Jürgen Wester, Johannes Notni
The epithelial integrin αvβ6 is expressed by many malignant carcinoma cell types, including pancreatic cancer, and thus represents a promising target for radionuclide therapy. The peptide cyclo(FRGDLAFp( N Me)K) was decorated with different chelators (DOTPI, DOTAGA, and DOTA). The Lu(III) complexes of these conjugates exhibited comparable αvβ6 integrin affinities (IC50 ranging from 0.3 to 0.8 nM) and good selectivities against other integrins (IC50 for αvβ8 >43 nM; for α5β1 >238 nM; and for αvβ3, αvβ5, and αIIbβ3 >1000 nM)...
February 28, 2018: ACS Omega
https://www.readbyqxmd.com/read/30023536/immunosensor-for-pancreatic-cancer-based-on-electrospun-nanofibers-coated-with-carbon-nanotubes-or-gold-nanoparticles
#2
Juliana C Soares, Leonardo E O Iwaki, Andrey C Soares, Valquiria C Rodrigues, Matias E Melendez, José Humberto T G Fregnani, Rui M Reis, Andre L Carvalho, Daniel S Corrêa, Osvaldo N Oliveira
We report the fabrication of immunosensors based on nanostructured mats of electrospun nanofibers of polyamide 6 and poly(allylamine hydrochloride) coated either with multiwalled carbon nanotubes (MWCNTs) or gold nanoparticles (AuNPs), whose three-dimensional structure was suitable for the immobilization of anti-CA19-9 antibodies to detect the pancreatic cancer biomarker CA19-9. Using impedance spectroscopy, the sensing platform was able to detect CA19-9 with a detection limit of 1.84 and 1.57 U mL-1 for the nanostructured architectures containing MWCNTs and AuNPs, respectively...
October 31, 2017: ACS Omega
https://www.readbyqxmd.com/read/30023347/sorafenib-induced-acute-pancreatitis-in-a-patient-with-differentiated-thyroid-cancer
#3
Laura Ximena Kattah Martinez, Lisseth Fernanda Marín Carrillo, Leonardo Rojas Melo
Background: Sorafenib is a tyrosine kinase inhibitor approved for the treatment of metastatic renal cell carcinoma, hepatocellular carcinoma, and recently for radioactive iodine (RAI)-refractory metastatic differentiated thyroid carcinoma (DTC). Several side effects have been described including alterations in amylase and lipase levels. Nonetheless, only a few cases of pancreatitis during renal carcinoma and hepatocellular carcinoma treatment have been described. Objective: To describe the first case report of sorafenib-induced acute pancreatitis during the treatment of thyroid carcinoma...
June 2018: European Thyroid Journal
https://www.readbyqxmd.com/read/30023066/the-impact-of-a-history-of-cancer-on-pancreatic-ductal-adenocarcinoma-survival
#4
Xingkang He, Yue Li, Tingting Su, Sanchuan Lai, Wenrui Wu, Luyi Chen, Jianmin Si, Leimin Sun
Background and objective: Previous studies indicated cancer survivors had a higher risk of developing subsequent pancreatic ductal adenocarcinoma. However, the influence of prior cancer on survival outcomes of current pancreatic cancer remains unclear. Methods: Eligible populations were selected from the Surveillance, Epidemiology, and End Results programs from 2000 to 2012. We adopted Kaplan-Meier curves and Cox analysis to compare survival differences between patients with and without prior cancer...
July 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/30022943/genomic-profiling-reveals-medullary-thyroid-cancer-misdiagnosed-as-lung-cancer
#5
Eva J Gordon, David Parker, Kelly Barth, Jennifer Pena, Julia A Elvin, Thomas DeLeon, Nina J Karlin
Mutations or other alterations in the RET gene have been implicated in a variety of malignancies - most commonly thyroid, but also chronic myelomonocytic leukemia, acute myeloid leukemia, and lung, breast, pancreatic, and colon cancers. Here we present a case of a gentlemen initially diagnosed with and treated for non-small cell lung adenocarcinoma. Genomic profiling of his tumor specimen revealed a RET point mutation with a known association with medullary thyroid cancer (MTC). Further pathological and molecular diagnostic evaluation confirmed a diagnosis of MTC, leading to a change in treatment from standard chemotherapy for non-small cell lung cancer to targeted therapy against RET and potential implications regarding inherited cancer risk for his offspring...
May 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/30022856/rising-trends-in-pancreatic-cancer-incidence-and-mortality-in-2000-2014
#6
Wenrui Wu, Xingkang He, Liya Yang, Qing Wang, Xiaoyuan Bian, Jianzhong Ye, Yating Li, Lanjuan Li
Background: The morbidity and mortality of pancreatic cancer vary considerably around the world. The aim of this study was to characterize and evaluate recent changes in incidence and incidence-based mortality in the USA. Methods: Incidence and incidence-based mortality data were based on the 18 Surveillance, Epidemiology, and End Results (SEER) registries through SEER* Stat software. We adopted joinpoint regression to analyze the temporal trends stratified by age, gender, ethnicity, stage, tumor site, and size...
2018: Clinical Epidemiology
https://www.readbyqxmd.com/read/30022442/an-interview-with-dr-john-l-cameron-the-hall-of-famer-of-pancreatic-cancer
#7
Roberto J Rivero-Soto, JoAnn Coleman, Vanita Ahuja
The Society of Surgical Alimentary Tract (SSAT) Resident Education Committee aim is to facilitate resident participation in the annual meeting and foster the education of the next generation of gastrointestinal. The SSAT "Residents Corner" was developed as a video-blog highlighting areas of interest for surgical trainees looking to focus on a career in gastrointestinal surgery. The topics covered are to make surgical education more accessible, one way is to highlight leaders in the field who discuss their journey...
July 18, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/30022336/metformin-use-and-incidence-cancer-risk-evidence-for-a-selective-protective-effect-against-liver-cancer
#8
Harvey J Murff, Christianne L Roumie, Robert A Greevy, Amber J Hackstadt, Lucy E D'Agostino McGowan, Adriana M Hung, Carlos G Grijalva, Marie R Griffin
PURPOSE: Several observational studies suggest that metformin reduces incidence cancer risk; however, many of these studies suffer from time-related biases and several cancer outcomes have not been investigated due to small sample sizes. METHODS: We constructed a propensity score-matched retrospective cohort of 84,434 veterans newly prescribed metformin or a sulfonylurea as monotherapy. We used Cox proportional hazard regression to assess the association between metformin use compared to sulfonylurea use and incidence cancer risk for 10 solid tumors...
July 18, 2018: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/30021952/pancreatic-cancer-related-health-disparities-a-commentary
#9
Lisa Scarton, Saunjoo Yoon, Sungho Oh, Edward Agyare, Jose Trevino, Bo Han, Eunsook Lee, Veronica Wendy Setiawan, Jennifer B Permuth, Thomas D Schmittgen, Folakemi G Odedina, Diana J Wilkie
We summarize the risk factors that may significantly contribute to racial disparities in pancreatic cancer, which is now the third leading cause of cancer deaths and projected to be second around 2030 in 12 years. For decades, the incidence rate of pancreatic cancer among Blacks has been 30% to 70% higher than other racial groups in the United States and the 5-year survival rate is approximately 5%. Diabetes and obesity have been identified as potentially predisposing factors to pancreatic cancer and both are more common among Blacks...
July 18, 2018: Cancers
https://www.readbyqxmd.com/read/30021548/a-multicenter-phase-4-geriatric-assessment-directed-trial-to-evaluate-gemcitabine-nab-paclitaxel-in-elderly-pancreatic-cancer-patients-grantpax
#10
Johannes Betge, Jing Chi-Kern, Nadine Schulte, Sebastian Belle, Tobias Gutting, Elke Burgermeister, Ralf Jesenofsky, Martin Maenz, Ulrich Wedding, Matthias P Ebert, Nicolai Haertel
BACKGROUND: In the group of elderly patients (≥70 years) with metastatic pancreatic ductal adenocarcinoma (mPDAC), it is not known who benefits from intensive 1st line nab-paclitaxel/gemcitabine (nab-p/gem) combination chemotherapy or who would rather suffer from increased toxicity. We aim to determine whether treatment individualization by comprehensive geriatric assessments (CGAs) improves functional outcome of the patients. METHODS/DESIGN: GrantPax is a multicenter, open label phase 4 interventional trial...
July 18, 2018: BMC Cancer
https://www.readbyqxmd.com/read/30021156/the-ubiquitin-ligase-adaptor-ndfip1-selectively-enforces-a-cd8-t-cell-tolerance-checkpoint-to-high-dose-antigen
#11
Mayura V Wagle, Julia M Marchingo, Jason Howitt, Seong-Seng Tan, Christopher C Goodnow, Ian A Parish
Escape from peripheral tolerance checkpoints that control cytotoxic CD8+ T cells is important for cancer immunotherapy and autoimmunity, but pathways enforcing these checkpoints are mostly uncharted. We reveal that the HECT-type ubiquitin ligase activator, NDFIP1, enforces a cell-intrinsic CD8+ T cell checkpoint that desensitizes TCR signaling during in vivo exposure to high antigen levels. Ndfip1-deficient OT-I CD8+ T cells responding to high exogenous tolerogenic antigen doses that normally induce anergy aberrantly expanded and differentiated into effector cells that could precipitate autoimmune diabetes in RIP-OVAhi mice...
July 17, 2018: Cell Reports
https://www.readbyqxmd.com/read/30020978/decreased-trend-in-hospital-mortality-from-pancreatic-cancer-despite-increase-in-number-of-hospital-admissions
#12
Sanjay Bhandari, Mubeen Khan Mohammed Abdul, Will Hollabaugh, Kanav Sharma, Douglas B Evans, Nalini Guda
BACKGROUND AND AIM: Pancreatic cancer is one of the common cancers in US and is associated with high mortality and morbidity. The objectives of our study were to look at the recent trends in the number of hospitalizations with pancreatic cancer. METHODS: We identified patients with a discharge diagnosis of pancreatic cancer in the National Inpatient Sample from 2007 to 2011 using International Classification of Diseases-Clinical Modification, 9th revision (ICD-9-CM) codes...
2018: PloS One
https://www.readbyqxmd.com/read/30020079/4d-dose-calculation-for-pbs-proton-therapy-of-pancreatic-cancer-using-repeated-4dmri-datasets
#13
Kai Dolde, Patrick Naumann, Christian Dávid, Regula Gnirs, Marc Kachelrieß, Antony John Lomax, Nami Saito, Damien Charles Weber, Asja Pfaffenberger, Ye Zhang
4D magnetic resonance imaging (4DMRI) has a high potential for pancreatic cancer treatments using proton therapy, by providing time-resolved volumetric images with a high soft-tissue contrast without exposing the patient to any additional imaging dose. 
 In this study, we aim to show the feasibility of 4D treatment planning for pencil beam scanning (PBS) proton therapy of pancreatic cancer, based on repeated 4DMRI datasets and 4D dose calculations (4DDC). To investigate the dosimetric impacts of organ motion, deformation vector fields were extracted from 4DMRI, which were then used to warp a static CT of a patient, so as to generate synthetic 4DCT (4DCT-MRI)...
July 18, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/30019405/profile-of-exhaled-breath-volatile-organic-compounds-to-diagnose-pancreatic-cancer
#14
S R Markar, B Brodie, S-T Chin, A Romano, D Spalding, G B Hanna
BACKGROUND: Pancreatic cancer has a very poor prognosis as most patients are diagnosed at an advanced stage when curative treatments are not possible. Breath volatile organic compounds (VOCs) have shown potential as novel biomarkers to detect cancer. The aim of the study was to quantify differences in exhaled breath VOCs of patients with pancreatic cancers compared with cohorts without cancer. METHODS: Patients were recruited to an initial development cohort and a second validation cohort...
July 18, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/30018740/integrative-landscape-of-dysregulated-signaling-pathways-of-clinically-distinct-pancreatic-cancer-subtypes
#15
Musalula Sinkala, Nicola Mulder, Darren Patrick Martin
Despite modern therapeutic advances, the survival prospects of pancreatic cancer patients have remained poor. Besides being highly metastatic, pancreatic cancer is challenging to treat because it is caused by a heterogeneous array of somatic mutations that impact a variety of signaling pathways and cellular regulatory systems. Here we use publicly available transcriptomic, copy number alteration and mutation profiling datasets from pancreatic cancer patients together with data on disease outcomes to show that the three major pancreatic cancer subtypes each display distinctive aberrations in cell signaling and metabolic pathways...
June 26, 2018: Oncotarget
https://www.readbyqxmd.com/read/30018304/hereditary-pancreatitis-in-the-united-states-survival-and-rates-of-pancreatic-cancer
#16
Celeste A Shelton, Chandraprakash Umapathy, Kimberly Stello, Dhiraj Yadav, David C Whitcomb
OBJECTIVES: Hereditary pancreatitis (HP), an autosomal dominant disease typically caused by mutations in PRSS1, has a broad range of clinical characteristics and high cumulative risk of pancreatic cancer. We describe survival and pancreatic cancer risk in the largest HP cohort in the US. METHODS: HP probands and family members prospectively recruited from 1995 to 2013 completed medical and family history questionnaires, and provided blood for DNA testing. Overall survival (until 12/31/2015) was determined from the Social Security Death Index (SSDI), National Death Index (NDI), and family members...
July 18, 2018: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/30018148/borderline-ovarian-tumors-share-familial-risks-with-itself-and-invasive-cancers
#17
Guoqiao Zheng, Hongyao Yu, Anna Kanerva, Asta Försti, Kristina Sundquist, Kari Hemminki
BACKGROUND: Borderline ovarian tumors (BOTs) are a subgroup of ovarian malignancies with low malignant potential. Very limited earlier data are available on familial clustering of BOTs with other cancers. We aim to explore histology-specific familial associations among BOTs and associations between BOT and any invasive cancers. METHODS: Based on 16.1 million individuals in the Swedish Family-Cancer Database, we estimated familial risks for overall or histology-specific BOT patients considering both BOT and any invasive cancers in first-degree relatives (parents or siblings), as well as familial risks for invasive cancers considering family history of BOTs...
July 17, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/30017114/new-somatostatin-drug-conjugates-for-effective-targeting-pancreatic-cancer
#18
E Ragozin, A Hesin, A Bazylevich, H Tuchinsky, A Bovina, T Shekhter Zahavi, M Oron-Herman, G Kostenich, M A Firer, T Rubinek, I Wolf, G Luboshits, M Y Sherman, G Gellerman
Pancreatic cancer poorly responds to available drugs, and finding novel approaches to target this cancer type is of high significance. Here, based on a common property of pancreatic cancer cells to express somatostatin receptors (SSTR), we designed drug conjugates with novel somatostatin-derived cyclic peptides (SSTp) with broad selectivity towards SSTR types to facilitate drug targeting of the pancreatic cancer cells specifically. Uptake of our newly designed SSTps was facilitated by SSTRs expressed in the pancreatic cancers, including SSTR2, SSTR3, SSTR4 and SSTR5...
July 30, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/30016797/sensitivity-of-initial-thoracentesis-for-malignant-pleural-effusion-stratified-by-tumor-type-in-patients-with-strong-evidence-of-metastatic-disease
#19
Horiana B Grosu, Farah Kazzaz, Erik Vakil, Sofia Molina, David Ost
BACKGROUND: Thoracentesis with cytological examination of pleural fluid is the initial test of choice for evaluation of pleural effusions in patients with suspected malignant pleural effusion (MPE). There is limited data on the sensitivity of thoracentesis stratified by tumor type. A better understanding of stratified sensitivities is of clinical interest, and may guide early and appropriate referral for pleural biopsy. OBJECTIVE: The primary objective was sensitivity of thoracentesis with pleural fluid cytology stratified by tumor type...
July 17, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/30016349/nmr-based-metabolic-profiling-of-urine-serum-fecal-and-pancreatic-tissue-samples-from-the-ptf1a-cre-lsl-krasg12d-transgenic-mouse-model-of-pancreatic-cancer
#20
Michelle J Schmahl, Daniel P Regan, Adam C Rivers, William C Joesten, Michael A Kennedy
Pancreatic cancer is the third leading cause of cancer deaths in the United States with more than 53,000 expected to be diagnosed with the disease in 2018. The median survival time after diagnosis is four to six months. The poor survival statistics are due in part to the fact that pancreatic cancer is typically asymptomatic until it reaches advanced stages of the disease. Although surgical resection provides the best chance of survival, pancreatic cancer is rarely detected when surgery is still possible due, in part, to lack of effective biomarkers for early detection...
2018: PloS One
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