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https://www.readbyqxmd.com/read/28636207/specificity-of-and-influence-of-hemolysis-lipemia-and-icterus-on-serum-lipase-activity-as-measured-by-the-v-lip-p-slide
#1
Joerg M Steiner, Robynne Gomez, Jan S Suchodolski, Jonathan A Lidbury
BACKGROUND: Measurement of pancreatic lipase in serum is being used for the diagnosis of pancreatitis. OBJECTIVES: The aims of this study were to measure serum lipase activity by the v-LIP-P slide and serum canine pancreatic lipase immunoreactivity (cPLI) concentration by Spec cPL in dogs with exocrine pancreatic insufficiency (EPI) and in serum samples that were hemolyzed, lipemic, or icteric. METHODS: Serum samples from 50 dogs with EPI, 8 samples spiked with canine hemoglobin, Intralipid, or ditaurobilirubin, and 8 samples from dogs with severe hypertriglyceridemia were evaluated using v-LIP-P and Spec cPL assays...
June 21, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28636052/chemically-induced-degradation-of-cdk9-by-a-proteolysis-targeting-chimera-protac
#2
Caroline M Robb, Jacob I Contreras, Smit Kour, Margaret A Taylor, Mohammad Abid, Yogesh A Sonawane, Muhammad Zahid, Daryl J Murry, Amarnath Natarajan, Sandeep Rana
Cyclin-dependent kinase 9 (CDK9), a member of the cyclin-dependent protein kinase (CDK) family, is involved in transcriptional elongation of several target genes. CDK9 is ubiquitously expressed and has been shown to contribute to a variety of malignancies such as pancreatic, prostate and breast cancers. Here we report the development of a heterobifunctional small molecule proteolysis targeting chimera (PROTAC) capable of cereblon (CRBN) mediated proteasomal degradation of CDK9. In HCT116 cells, it selectively degrades CDK9 while sparing other CDK family members...
June 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28636047/decoding-the-regulatory-mechanism-of-glucose-and-insulin-induced-phosphatidylinositol-3-4-5-trisphosphate-dynamics-in-%C3%AE-cells
#3
Tagari Samanta, Peeyush Sharma, Dwijendra Kukri, Sandip Kar
In MIN6 pancreatic β-cells, glucose and insulin act in a synergistic manner to regulate the dynamics of Phosphatidylinositol (3,4,5)-trisphosphate (PIP3). However, the precise regulatory mechanism behind such an experimentally observed synergy is poorly understood. In this article, we propose a phenomenological mathematical model for studying the glucose and insulin driven PIP3 activation dynamics under various stimulatory conditions to unfold the mechanism responsible for the observed synergy. The modeling study reveals that the experimentally observed oscillation in PIP3 dynamics with disparate time scales for different external glucose doses is mainly orchestrated by the complex dynamic regulation of cytosolic Ca(2+) in β-cells...
June 21, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28635652/fucaceae-a-source-of-bioactive-phlorotannins
#4
REVIEW
Marcelo D Catarino, Artur M S Silva, Susana M Cardoso
Fucaceae is the most dominant algae family along the intertidal areas of the Northern Hemisphere shorelines, being part of human customs for centuries with applications as a food source either for humans or animals, in agriculture and as remedies in folk medicine. These macroalgae are endowed with several phytochemicals of great industrial interest from which phlorotannins, a class of marine-exclusive polyphenols, have gathered much attention during the last few years due to their numerous possible therapeutic properties...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635615/topography-on-a-subcellular-scale-modulates-cellular-adhesions-and-actin-stress-fiber-dynamics-in-tumor-associated-fibroblasts
#5
Mikheil Azatov, Xiaoyu Sun, Alexandra Suberi, John T Fourkas, Arpita Upadhyaya
Cells can sense and adapt to mechanical properties of their environment. The local geometry of the extracellular matrix, such as its topography, has been shown to modulate cell morphology, migration, and proliferation. Here we investigate the effect of micro/nanotopography on the morphology and cytoskeletal dynamics of human pancreatic tumor-associated fibroblast cells (TAFs). We use arrays of parallel nanoridges with variable spacings on a subcellular scale to investigate the response of TAFs to the topography of their environment...
June 21, 2017: Physical Biology
https://www.readbyqxmd.com/read/28635562/nanoformulated-natural-therapeutics-for-management-of-streptozotocin-induced-diabetes-potential-use-of-curcumin-nanoformulation
#6
Yousra M El-Far, Mahmoud M Zakaria, Mahmoud M Gabr, Amal M El Gayar, Laila A Eissa, Ibrahim M El-Sherbiny
AIM: The goal of this study was to improve curcumin (CUR) aqueous solubility and bioavailability via nanoformulation, and then study its activity and mechanism of action as an antidiabetic agent. METHODS: CUR-loaded pluronic nanomicelles (CURnp) were prepared and characterized. Biochemical assessments were performed as well as histological, confocal and RTPCR studies on pancreatic target tissues. RESULTS: CURnp with a diameter of 333 ± 6 nm and ζ potential of -26...
June 21, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28635511/the-immunohistochemical-expression-mta-1-protein-and-its-prognostic-value-in-pancreatic-cancer
#7
Efstathios T Pavlidis, Maria Lambropoulou, Nikolaos G Symeonidis, Constantinos Anagnostopoulos, Alexandra Tsaroucha, Athanasia Kotini, Christina Nikolaidou, Anastasia Kiziridou, Constantinos Simopoulos
Purpose/aim: To examine with immunohistochemical assay MTA1 protein expression levels in pancreatic cancer tissues defining its prognostic value. MATERIAL AND METHODS: The specimens derived from 51 patients who underwent surgery. The levels of MTA1 protein were compared with the age of the patients, their survival, and prognosis. Also, we studied clinical and histopathological factors such as the degree of tumor differentiation and its stage in correlation with MTA1 protein levels. In parallel, there was correlation between the expression of the ΜΤΑ1 protein and the aforementioned factors regarding survival rate...
February 10, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28634731/frey-s-procedure-for-chronic-pancreatitis-improves-the-nutritional-status-of-these-patients
#8
Hideaki Sato, Masaharu Ishida, Fuyuhiko Motoi, Naoaki Sakata, Takeshi Aoki, Katsuyoshi Kudoh, Hideo Ohtsuka, Masamichi Mizuma, Takanori Morikawa, Hiroki Hayashi, Kei Nakagawa, Takeshi Naitoh, Shinich Egawa, Michiaki Unno
PURPOSE: The aim of surgical intervention for chronic pancreatitis (CP) is to relieve symptoms and improve quality of life. However, the precise effect of surgery on the nutritional status of CP patients, which is often impaired by exocrine and endocrine pancreatic dysfunction, has not been elucidated. We conducted this study to evaluate whether Frey's procedure improves the nutritional status of CP patients. METHODS: The nutritional status of 35 patients who underwent Frey's procedure for CP at our institute between April 2005 and December 2014, was assessed by the controlling nutritional status (CONUT) scoring before and 1 year after the surgery, and compared with that of seven CP patients who underwent pancreatoduodenectomy...
June 20, 2017: Surgery Today
https://www.readbyqxmd.com/read/28634727/safety-and-efficacy-of-chemosaturation-in-patients-with-primary-and-secondary-liver-tumors
#9
Martha M Kirstein, Steffen Marquardt, Nils Jedicke, Silke Marhenke, Wolfgang Koppert, Michael P Manns, Frank Wacker, Arndt Vogel
BACKGROUND: Chemosaturation with percutaneous hepatic perfusion (CS-PHP; hepatic CHEMOSAT(®) delivery system; Delcath Systems Inc, USA) is a novel medical device, which delivers high doses of melphalan directly to the liver in patients with primary and secondary liver tumors while limiting systemic toxicity through hemofiltration of the hepatic venous blood. The aim of this study was to analyze the safety and efficacy of the second-generation CS-PHP after 54 treatments at Hannover Medical School, Germany...
June 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28634684/heterogeneity-index-evaluated-by-slope-of-linear-regression-on-18-f-fdg-pet-ct-as-a-prognostic-marker-for-predicting-tumor-recurrence-in-pancreatic-ductal-adenocarcinoma
#10
Yong-Il Kim, Yong Joong Kim, Jin Chul Paeng, Gi Jeong Cheon, Dong Soo Lee, June-Key Chung, Keon Wook Kang
PURPOSE: (18)F-Fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) has been investigated as a method to predict pancreatic cancer recurrence after pancreatic surgery. We evaluated the recently introduced heterogeneity indices of (18)F-FDG PET/CT used for predicting pancreatic cancer recurrence after surgery and compared them with current clinicopathologic and (18)F-FDG PET/CT parameters. METHODS: A total of 93 pancreatic ductal adenocarcinoma patients (M:F = 60:33, mean age = 64...
June 20, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28634666/ct-density-in-the-pancreas-is-a-promising-imaging-predictor-for-pancreatic-ductal-adenocarcinoma
#11
Yasunari Fukuda, Daisaku Yamada, Hidetoshi Eguchi, Tomoki Hata, Yoshifumi Iwagami, Takehiro Noda, Tadafumi Asaoka, Koichi Kawamoto, Kunihito Gotoh, Shogo Kobayashi, Yutaka Takeda, Masahiro Tanemura, Masaki Mori, Yuichiro Doki
BACKGROUND: Fatty pancreas (FP) was recently recognized as a risk factor for pancreatic ductal adenocarcinoma (PDAC). It is unclear whether computed tomography (CT) can be used to make a FP diagnosis. This study investigated whether CT could provide a predictive value for PDAC by diagnosing FP. METHODS: The study included 183 consecutive patients who underwent distal pancreatectomy from February 2007 to January 2017, including 75 cases of PDAC and 108 cases of other pancreatic disease...
June 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28634650/a-randomized-phase-ii-study-of-gemcitabine-plus-z-360-a-cck2-receptor-selective-antagonist-in-patients-with-metastatic-pancreatic-cancer-as-compared-with-gemcitabine-plus-placebo
#12
Makoto Ueno, Chung Pin Li, Masafumi Ikeda, Hiroshi Ishii, Nobumasa Mizuno, Taketo Yamaguchi, Tatsuya Ioka, Do Youn Oh, Wataru Ichikawa, Takuji Okusaka, Yutaka Matsuyama, Daichi Arai, Li Tzong Chen, Young Suk Park, Junji Furuse
BACKGROUND: We investigated the efficacy and safety of 60, 120, or 240 mg of Z-360, which is a highly potent cholecystokinin2-receptor-selective antagonist, combined with gemcitabine in patients with metastatic pancreatic cancer. METHODS: Patients were randomly assigned in a 1:1:1:1 ratio to one of four treatment groups. Patients received 1000 mg/m(2) gemcitabine for each cycle and Z-360 tablets of 60 mg (GZ 60 mg group), 120, 240 mg or placebo tablets (Gem group) orally twice daily...
June 20, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28634594/pancreatic-cancer-heralded-by-worsening-glycemic-control-a-report-of-two-cases
#13
Dimpi Desai, Devika Rao, Vineeth Sukrithan, Eleanor Weinstein, Akankasha Goyal, Ulrich Schubart
Pancreatic ductal adenocarcinoma is the third leading cause of cancer-related death in the United States. Since it is usually diagnosed at an advanced stage, its prognosis remains poor. The initial presentation varies according to the tumor location. The most common presenting signs are weight loss, jaundice, and pain. Several epidemiological, clinical, and experimental studies over the past 2 decades have shown that long-standing diabetes is a modest risk factor for pancreatic cancer. However, new-onset diabetes has also been observed to be an early manifestation of pancreatic cancer...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28634585/high-plasma-glucagon-levels-correlate-with-waist-to-hip-ratio-suprailiac-skinfold-thickness-and-deep-subcutaneous-abdominal-and-intraperitoneal-adipose-tissue-depots-in-nonobese-asian-indian-males-with-type-2-diabetes-in-north-india
#14
Shajith Anoop, Anoop Misra, Surya Prakash Bhatt, Seema Gulati, Harsh Mahajan, Gokulraj Prabakaran
We aimed to correlate plasma glucagon levels with anthropometric measures and abdominal adipose tissue depots. Nonobese males (n = 81; BMI < 25 kg/m(2)) with T2DM of less than one-year duration and nonobese males without diabetes (n = 30) were evaluated for the following: anthropometry (BMI, waist circumference, W-HR, and truncal skinfolds), whole-body DEXA (for body fat and fat-free mass), and MRI scan (for volumes of subcutaneous abdominal adipose tissue (SCAT) including superficial and deep, intra-abdominal visceral adipose tissue (including intraperitoneal adipose tissue (IPAT), retroperitoneal adipose tissue, liver span and fatty liver, and pancreatic volume))...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28634524/a-rare-case-of-pylephlebitis-after-colonic-polypectomy
#15
Salik Nazir, Asad Jehangir, Anam Siddiqui, Niranjan Tachamo, Saroj Lohani, Eugene York
Pylephlebitis or infective suppurative thrombosis of the portal mesenteric venous system is an uncommon condition that can potentially be deadly if not recognized and treated early. Although most commonly associated with pancreatitis and diverticulitis, any intra-abdominal or pelvic infection occurring in the region drained by the portal venous system can cause this rare entity. We report a case of a 75-year-old woman who developed post polypectomy pylephlebitis following colonoscopy, a condition rarely reported in the literature...
January 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28634486/%C3%AE-cell-replacement-strategies-the-increasing-need-for-a-%C3%AE-cell-dogma
#16
REVIEW
Andhira Vieira, Noémie Druelle, Fabio Avolio, Tiziana Napolitano, Sergi Navarro-Sanz, Serena Silvano, Patrick Collombat
Type 1 diabetes is an auto-immune disease resulting in the loss of pancreatic β-cells and, consequently, in chronic hyperglycemia. Insulin supplementation allows diabetic patients to control their glycaemia quite efficiently, but treated patients still display an overall shortened life expectancy and an altered quality of life as compared to their healthy counterparts. In this context and due to the ever increasing number of diabetics, establishing alternative therapies has become a crucial research goal. Most current efforts therefore aim at generating fully functional insulin-secreting β-like cells using multiple approaches...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28634199/characterising-cis-regulatory-variation-in-the-transcriptome-of-histologically-normal-and-tumour-derived-pancreatic-tissues
#17
Mingfeng Zhang, Soren Lykke-Andersen, Bin Zhu, Wenming Xiao, Jason W Hoskins, Xijun Zhang, Lauren M Rost, Irene Collins, Martijn van de Bunt, Jinping Jia, Hemang Parikh, Tongwu Zhang, Lei Song, Ashley Jermusyk, Charles C Chung, Bin Zhu, Weiyin Zhou, Gail L Matters, Robert C Kurtz, Meredith Yeager, Torben Heick Jensen, Kevin M Brown, Halit Ongen, William R Bamlet, Bradley A Murray, Mark I McCarthy, Stephen J Chanock, Nilanjan Chatterjee, Brian M Wolpin, Jill P Smith, Sara H Olson, Gloria M Petersen, Jianxin Shi, Laufey Amundadottir
OBJECTIVE: To elucidate the genetic architecture of gene expression in pancreatic tissues. DESIGN: We performed expression quantitative trait locus (eQTL) analysis in histologically normal pancreatic tissue samples (n=95) using RNA sequencing and the corresponding 1000 genomes imputed germline genotypes. Data from pancreatic tumour-derived tissue samples (n=115) from The Cancer Genome Atlas were included for comparison. RESULTS: We identified 38 615 cis-eQTLs (in 484 genes) in histologically normal tissues and 39 713 cis-eQTL (in 237 genes) in tumour-derived tissues (false discovery rate <0...
June 20, 2017: Gut
https://www.readbyqxmd.com/read/28634132/diagnosis-of-autoimmune-pancreatitis-the-evolution-of-diagnostic-criteria-for-a-rare-disease
#18
Suresh T Chari
No abstract text is available yet for this article.
June 17, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28634110/pharmacological-rescue-of-ductal-cftr-rescue-pancreatic-and-salivary-glands-acinar-cells-and-tissue-function-in-mouse-models-of-autoimmune-diseases
#19
Mei Zeng, Mitchell Szymczak, Malini Ahuja, Changyu Zheng, Hongen Yin, William Swaim, John A Chiorini, Robert J Bridges, Shmuel Muallem
BACKGROUND & AIMS: Sjögren's syndrome and autoimmune pancreatitis (AIP) are disorders with decreased function of salivary, lacrimal glands, and the exocrine pancreas. NOD/ShiLTJ mice and mice transduced with the cytokine BMP6 develop Sjögren's syndrome and chronic pancreatitis and MRL/Mp mice are models of AIP. CFTR is a ductal Cl(-) channel essential for ductal fluid and HCO3(-) secretion. We used these models to ask: is CFTR expression altered in these diseases, does correction of CFTR correct gland function, and most notably, does correcting ductal function correct acinar function...
June 17, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28633941/pancreatic-cyst-fluid-vascular-endothelial-growth-factor-a-and-carcinoembryonic-antigen-a-highly-accurate-test-for-the-diagnosis-of-serous-cystic-neoplasm
#20
Rosalie A Carr, Michele T Yip-Schneider, Scott Dolejs, Bradley A Hancock, Huangbing Wu, Milan Radovich, C Max Schmidt
BACKGROUND: Accurate differentiation of pancreatic cystic lesions is important for pancreatic cancer early detection and prevention as well as avoidance of unnecessary surgical intervention. Serous cystic neoplasms (SCN) have no malignant potential, but may mimic premalignant mucinous cystic lesions: mucinous cystic neoplasm (MCN) and intraductal papillary mucinous neoplasm (IPMN). We recently identified vascular endothelial growth factor (VEGF)-A as a novel pancreatic fluid biomarker for SCN...
May 18, 2017: Journal of the American College of Surgeons
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