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pancreas, pancreatic, pancreatitis

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https://www.readbyqxmd.com/read/29471608/-pancreatic-neuroendocrine-tumor-presenting-as-acute-pancreatitis
#1
Minjeong Kim, Jin Myung Park, Sung Joon Lee, Chang Don Kang, MyungHo Kang, Ji Hyun Kim, Seungkoo Lee, Seong Whi Cho
We report a case of acute pancreatitis secondary to pancreatic neuroendocrine tumor. A 46-year old man presented with upper abdominal pain. The serum amylase and lipase were elevated. Abdominal computed tomography (CT) and magnetic resonance cholangiopancreatography revealed a 1.7 cm sized mass at the pancreas body with a dilatation of the upstream pancreatic duct and mild infiltrations of peripancreatic fat. An endoscopic ultrasound-guided fine needle biopsy was performed for the pancreatic mass, but only necrotic tissue was observed on the pathologic examination...
February 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29471119/enediynes-bearing-polyfluoroaryl-sulfoxide-as-new-antiproliferative-agents-with-dual-targeting-of-microtubules-and-dna
#2
Cyril Borie, Shovan Mondal, Tanzeel Arif, Manon Briand, Hugo Lingua, Frédéric Dumur, Didier Gigmes, Pierre Stocker, Bernadette Barbarat, Viviane Robert, Cendrine Nicoletti, Daniel Olive, Marc Maresca, Malek Nechab
A novel series of enediynes possessing pentafluorophenylsulfoxide have been developed. The innovative compounds possess antiproliferative activity against a broad panel of human cancer cells originating from breast, blood, lung, kidney, colon, prostate, pancreas or skin with IC50 ranging from 0.6 to 3.4 μM. The antiproliferative activity of enediynes in darkness is associated to their ability to compromise microtubule network. In addition, exposure to UV leads to double-stranded DNA cleavage caused by the newly synthesized molecules reducing further their IC50 in nanomolar range against human tumor cells, including chemo-resistant pancreatic cancer cells...
February 12, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29470686/a-case-of-stage-ia-pancreatic-ductal-adenocarcinoma-accompanied-with-focal-pancreatitis-demonstrated-by-contrast-enhanced-ultrasonography
#3
Junko Fukuda, Sachiko Tanaka, Nobuko Ishida, Tatsuya Ioka, Kenji Ikezawa, Rena Takakura, Miho Nakao, Kazuyoshi Ohkawa, Kazuhiro Katayama, Shigenori Nagata
A patient with slight dilatation of the main pancreatic duct was followed-up with ultrasonography every 6 months as a high-risk case of pancreatic cancer. Twelve years later, a faint hypoechoic area 13 mm in diameter was first detected on the body of the pancreas. Contrast-enhanced ultrasonography revealed a well-demarcated hypoenhanced area 8 mm in diameter and a hyperenhanced area with an unclear margin. The former was suspected to be a small pancreatic cancer lesion, and the latter to be focal pancreatitis accompanying cancer...
February 22, 2018: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29470174/antidiabetic-and-protective-effects-of-the-aqueous-extract-of-arbutus-unedo-l-in-streptozotocin-nicotinamide-induced-diabetic-mice
#4
Hanae Naceiri Mrabti, Karima Sayah, Nidal Jaradat, Faouzi Kichou, Abdelaziz Ed-Dra, Badiaa Belarj, Yahia Cherrah, My El Abbes Faouzi
Background Diabetes mellitus (DM) is currently a major health problem and the most common chronic disease worldwide. Traditional medicinal plants remedies remain a potential adjunct therapy to maintain better glycemic control while also imparting few side-effects. Arbutus unedo L. has been traditionally used to manage several diseases including diabetes. This study was undertaken to contribute the validation of the traditional use of Arbutus unedoL. (Ericaceae) in the treatment of diabetes. Methods In-vitro antidiabetic effect of the A...
February 21, 2018: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29470134/the-effect-of-aronia-berry-on-type-1-diabetes-in-vivo-and-in-vitro
#5
Yong-Deok Jeon, Sa-Haeng Kang, Kwang-Hyun Moon, Jeong-Ho Lee, Dae-Geun Kim, Wook Kim, Jong-Sung Kim, Byung-Yong Ahn, Jong-Sik Jin
The number of diabetic patients worldwide is increasing, and complications such as stroke and cardiovascular disease are becoming a serious cause of death. Diabetes mellitus is classified into two types according to the etiopathogenic mechanism and insulin dependence. Type 1 diabetes (T1D), an insulin-dependent diabetes mellitus, is caused by damage and destruction of pancreatic β cells that produce insulin. It is a disease that is characterized by hyperglycemia and hypoinsulinemia. Aronia berry has been used as a medicinal food in Europe...
February 22, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29469974/assessment-of-canine-pancreas-specific-lipase-and-outcomes-in-dogs-with-hemodialysis-dependent-acute-kidney-injury
#6
K Takada, C A Palm, S E Epstein, L D Cowgill
BACKGROUND: Renal replacement therapies can be life-saving for dogs with severe acute kidney injury (AKI), however, comorbidities including pancreatitis might affect outcome. HYPOTHESIS/OBJECTIVES: To investigate the prevalence of pancreas-specific lipase (Spec cPL) measurements consistent with pancreatitis (≥400 μg/L) in dogs undergoing intermittent hemodialysis (IHD) for treatment of AKI and to determine whether there were associations between 30-days outcomes and Spec cPL measurements...
February 22, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29468404/evaluation-of-pancreatic-vmat2-binding-with-active-and-inactive-enantiomers-of-18-f-fp-dtbz-in-healthy-subjects-and-patients-with-type-1-diabetes
#7
Mika Naganawa, Keunpoong Lim, Nabeel B Nabulsi, Shu-Fei Lin, David Labaree, Jim Ropchan, Kevan C Herold, Yiyun Huang, Paul Harris, Masanori Ichise, Gary W Cline, Richard E Carson
PURPOSE: Previous studies demonstrated the utility of [18 F]fluoropropyl-(+)-dihydrotetrabenazine ([18 F]FP-(+)-DTBZ) as a positron emission tomography (PET) radiotracer for the vesicular monoamine transporter type 2 (VMAT2) to quantify beta cell mass in healthy control (HC) and type 1 diabetes mellitus (T1DM) groups. Quantification of specific binding requires measurement of non-displaceable uptake. Our goal was to identify a reference tissue (renal cortex or spleen) to quantify pancreatic non-specific binding of [18 F]FP-(+)-DTBZ with the inactive enantiomer, [18 F]FP-(-)-DTBZ...
February 21, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29467942/-in-vitro-in-vivo-and-ex-vivo-demonstration-of-the-antitumoral-role-of-hypocretin-1-orexin-a-and-almorexant-in-pancreatic-ductal-adenocarcinoma
#8
Stéphanie Dayot, Daniela Speisky, Anne Couvelard, Pierre Bourgoin, Valérie Gratio, Jérôme Cros, Vinciane Rebours, Alain Sauvanet, Pierre Bedossa, Valérie Paradis, Philippe Ruszniewski, Alain Couvineau, Thierry Voisin
Pancreatic ductal adenocarcinoma (PDAC) is still the poorest prognostic tumor of the digestive system. We investigated the antitumoral role of orexin-A and almorexant in PDAC. We analyzed the orexin receptor type 1 (OX1R) expression by immunohistochemistry in human normal pancreas, PDAC and its precursor dysplastic intraepithelial lesions. We used PDAC-derived cell lines and fresh tissue slices to study the apoptotic role of hypocretin-1/orexin-A and almorexant in vitro and ex vivo . We analyzed in vivo the hypocretin-1/orexin-A and almorexant effect on tumor growth in mice xenografted with PDAC cell lines expressing, or not, OX1R...
January 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29467239/frequency-and-consequence-of-the-recurrent-yy1-p-t372r-mutation-in-sporadic-insulinomas
#9
Vaishali I Parekh, Sita D Modali, James Welch, William Simonds, Lee Scott Weinstein, Electron Kebebew, Sunita K Agarwal
Extract: Pancreatic neuroendocrine tumors (PNETs/pNETs/p-NETs/PanNETs) are rare endocrine neoplasms that can be either functioning tumors that secrete hormones characteristic of their endocrine cell of origin, or nonfunctioning tumors. The most common functioning PNETs are the insulin-secreting b-cell tumors (insulinomas) that are mainly sporadic, but may also occur in 10% of patients with the hereditary tumor syndrome multiple endocrine neoplasia type 1 (MEN1) (OMIM ID: 131100). Patients with the MEN1 syndrome carry a heterozygous germline inactivating mutation in the MEN1 tumor suppressor gene and specific somatic loss of the normal MEN1 allele, leading to endocrine tumors mainly of the parathyroids, pituitary and pancreas (PNETs)...
February 21, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29467218/regenerative-proliferation-of-differentiated-cells-by-mtorc1-dependent-paligenosis
#10
Spencer G Willet, Mark A Lewis, Zhi-Feng Miao, Dengqun Liu, Megan D Radyk, Rebecca L Cunningham, Joseph Burclaff, Greg Sibbel, Hei-Yong G Lo, Valerie Blanc, Nicholas O Davidson, Zhen-Ning Wang, Jason C Mills
In 1900, Adami speculated that a sequence of context-independent energetic and structural changes governed the reversion of differentiated cells to a proliferative, regenerative state. Accordingly, we show here that differentiated cells in diverse organs become proliferative via a shared program. Metaplasia-inducing injury caused both gastric chief and pancreatic acinar cells to decrease mTORC1 activity and massively upregulate lysosomes/autophagosomes; then increase damage associated metaplastic genes such as Sox9 ; and finally reactivate mTORC1 and re-enter the cell cycle...
February 21, 2018: EMBO Journal
https://www.readbyqxmd.com/read/29465601/postoperative-hemorrhage-caused-by-portal-hypertension-associated-with-autoimmune-pancreatitis-a-case-report
#11
Puzi Wang, Rongli Xie, Zhifeng Zhao, Jiajun Ren, Jian Fei
RATIONALE: Autoimmune pancreatitis is a form of chronic pancreatitis, characterized by diffused enlargement of the pancreas and irregular narrowing of the main pancreatic duct. The theory that portal hypertension is associated with autoimmune pancreatitis has not been emphasized. In addition, only a few studies report that the gastrointestinal tract hemorrhage caused by portal hypertension is associated with autoimmune pancreatitis. PATIENT CONCERNS: The patient was a 61-year-old male with pancreas occupying lesion detected in a physical examination...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29464754/development-of-the-duct-system-during-exocrine-pancreas-differentiation-in-the-grass-snake-natrix-natrix-lepidosauria-serpentes
#12
Magdalena Kowalska, Weronika Rupik
We analyzed the development of the pancreatic ducts in grass snake Natrix natrix L. embryos with special focus on the three-dimensional (3D)-structure of the duct network, ultrastructural differentiation of ducts with attention to cell types and lumen formation. Our results indicated that the system of ducts in the embryonic pancreas of the grass snake can be divided into extralobular, intralobular, and intercalated ducts, similarly as in other vertebrate species. However, the pattern of branching was different from that in other vertebrates, which was related to the specific topography of the snake's internal organs...
February 21, 2018: Journal of Morphology
https://www.readbyqxmd.com/read/29464657/acute-obstructive-suppurative-pancreatic-ductitis-aospd-in-pancreatic-cancer-treated-by-nasopancreatic-drainage
#13
Ryoko Shimizuguchi, Masataka Kikuyama, Terumi Kamisawa, Sawako Kuruma, Kazuro Chiba
An 80-year-old woman with pancreatic cancer was admitted with fever and abdominal pain. Blood examinations showed an elevated CRP level. On computed tomography (CT), a pancreatic tumor with a dilated upstream main pancreatic duct (MPD) was seen. Endoscopic retrograde cholangiopancreatography (ERCP) showed the strictured part of the MPD at the head of the pancreas with upstream dilatation. A nasopancreatic drainage tube was placed. Through the tube, purulent pancreatic juice was discharged and culture of the pancreatic juice grew Klebsiella pneumoniae...
February 20, 2018: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29464045/pathological-and-functional-significance-of-semaphorin-5a-in-pancreatic-cancer-progression-and-metastasis
#14
Sugandha Saxena, Yuri Hayashi, Lingyun Wu, Mohammad Awaji, Pranita Atri, Michelle L Varney, Abhilasha Purohit, Satyanarayana Rachagani, Surinder K Batra, Rakesh K Singh
Semaphorin-5A (SEMA5A) has differential cell surface expression between normal and cancer cells and represents an attractive target for therapeutic intervention in pancreatic cancer (PC). In this study, we delineated the pathological expression and significance of SEMA5A during PC progression and metastasis. We utilized human tissue microarrays and different PC mouse models (Pdx1-cre; LSL- Kras(G12D) , Pdx1-Cre; LSL-Kras(G12D) ; LSL-p53(R172H) and RIP1-Tag2) to analyze SEMA5A expression during PC progression...
January 19, 2018: Oncotarget
https://www.readbyqxmd.com/read/29463004/advanced-eus-guided-tissue-acquisition-methods-for-pancreatic-cancer
#15
REVIEW
Pujan Kandel, Michael B Wallace
Pancreas cancer is a lethal cancer as the majority patients are diagnosed at an advanced incurable stage. Despite improvements in diagnostic modalities and management strategies, including surgery and chemotherapies, the outcome of pancreas cancer remains poor. Endoscopic ultrasound (EUS) is an important imaging tool for pancreas cancer. For decades, resected pancreas cancer and other cancer specimens have been used to identify tissue biomarkers or genomics for precision therapy; however, only 20% of patients undergo surgery, and thus, this framework is not useful for unresectable pancreas cancer...
February 17, 2018: Cancers
https://www.readbyqxmd.com/read/29462737/pancreas-preserving-management-of-grade-c-pancreatic-fistula-and-a-novel-bridging-technique-for-repeat-pancreaticojejunostomy-an-observational-study
#16
Tao Ma, Xueli Bai, Wen Chen, Guogang Li, Mengyi Lao, Tingbo Liang
PURPOSE: Optimal surgical strategy for grade-C postoperative pancreatic fistula (POPF) after pancreaticoduodenectomy (PD) is not justified. External wirsungostomy is feasible. However, the subsequent repeat pancreaticojejunostomy (PJ) is challenging. This study aims to introduce our experience of external wirsungostomy for grade-C POPF and a novel technique to do the repeat PJ (re-PJ). MATERIALS AND METHODS: From January 1, 2012 to December 31, 2016, all consecutive patients who underwent pancreaticoduodenectomy (PD) with PJ were identified...
February 17, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29462213/early-detection-of-pancreatic-cancer-in-mouse-models-using-a-novel-antibody-tab004
#17
Shu-Ta Wu, Chandra D Williams, Priyanka A Grover, Laura J Moore, Pinku Mukherjee
Pancreatic ductal adenocarcinoma (PDA) is the fourth-leading cause of cancer death in the United States with a 5-year overall survival rate of 8% for all stages combined. But this decreases to 3% for the majority of patients that present with stage IV PDA at time of diagnosis. The lack of distinct early symptoms for PDA is one of the primary reasons for the late diagnosis. Common symptoms like weight loss, abdominal and back pains, and jaundice are often mistaken for symptoms of other issues and do not appear until the cancer has progressed to a late stage...
2018: PloS One
https://www.readbyqxmd.com/read/29462157/a-mouse-model-study-of-toxicity-and-biodistribution-of-a-replication-defective-adenovirus-serotype-5-virus-with-its-genome-engineered-to-contain-a-decoy-hyper-binding-site-to-sequester-and-suppress-oncogenic-hmga1-as-a-new-cancer-treatment-therapy
#18
Faizule Hassan, Sarah L Lossie, Ellen P Kasik, Audrey M Channon, Shuisong Ni, Michael A Kennedy
The HGMA1 architectural transcription factor is highly overexpressed in many human cancers. Because HMGA1 is a hub for regulation of many oncogenes, its overexpression in cancer plays a central role in cancer progression and therefore HMGA1 is gaining increasing attention as a target for development of therapeutic approaches to suppress either its expression or action in cancer cells. We have developed the strategy of introducing decoy hyper binding sites for HMGA1 into the nucleus of cancer cells with the goal of competetively sequestering overexpressed HMGA1 and thus suppressing its oncogenic action...
2018: PloS One
https://www.readbyqxmd.com/read/29462092/significance-of-t1a-and-t1b-carcinoma-arising-in-mucinous-cystic-neoplasm-of-pancreas
#19
Ling Hui, Asif Rashid, Wai Chin Foo, Matthew H Katz, Deyali Chatterjee, Hua Wang, Jason B Fleming, Eric P Tamm, Huamin Wang
Mucinous cystic neoplasm (MCN) of pancreas is one of the precursor lesions of pancreatic ductal adenocarcinoma. The 5-year disease-specific survival for noninvasive MCNs was 100% and 20% to 60% for those with pancreatic ductal adenocarcinoma arising in a MCN. However, the significance of T1a (≤0.5 cm) and T1b (>0.5 and <1.0 cm) carcinoma arising in MCN as defined by the upcoming American Joint Committee on Cancer, eighth edition is unclear. In this study, we examined 3 cases of MCN with T1a or T1b carcinoma and compared their clinicopathologic characteristics and survival to 46 cases of MCN with low-grade dysplasia (MCN-LGD), 7 cases of MCN with high-grade dysplasia (MCN-HGD), and 7 cases of MCN with advanced invasive carcinoma (T2 or higher T stage)...
February 16, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29460047/point-shear-wave-elastography-of-the-pancreas-in-patients-with-cystic-fibrosis-a-comparison-with-healthy-controls
#20
Matthias Hermann Christian Pfahler, Wolfgang Kratzer, Michael Leichsenring, Tilmann Graeter, Stefan Andreas Schmidt, Inka Wendlik, Elisabeth Lormes, Julian Schmidberger, Dorit Fabricius
PURPOSE: Manifestations of cystic fibrosis in the pancreas are gaining in clinical importance as patients live longer. Conventional ultrasonography and point shear wave elastography (pSWE) imaging are non-invasive and readily available diagnostic methods that are easy to perform. The aim of this study was to perform conventional ultrasonography and obtain pSWE values in the pancreases of patients with cystic fibrosis and to compare the findings with those of healthy controls. METHODS: 27 patients with cystic fibrosis (13 women/14 men; mean age 27...
February 19, 2018: Abdominal Radiology
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