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https://www.readbyqxmd.com/read/29166705/comprehensive-analysis-of-nine-monoamines-and-metabolites-in-small-amounts-of-peripheral-murine-c57bl-6j-tissues
#1
Joachim Nagler, Sonja C Schriever, Meri De Angelis, Paul T Pfluger, Karl-Werner Schramm
Monoamines, acting as hormones and neurotransmitters, play a critical role in multiple physiological processes ranging from cognitive function and mood to sympathetic nervous system activity, fight-or-flight response, or glucose homeostasis. In addition to brain and blood, monoamines are abundant in several tissues, and dysfunction in their synthesis or signaling is associated with various pathological conditions. It was our goal to develop a method to detect these compounds in peripheral murine tissues. In this study, we employed a high performance liquid chromatography method using electrochemical detection that allows not only detecting the catecholamines but a detailed analysis of nine monoamines and metabolites in murine tissues...
November 22, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29164460/di-2-ethylhexyl-phthalate-induces-glucose-metabolic-disorder-in-adolescent-rats
#2
Jin Xu, Liting Zhou, Shuyue Wang, Jian Zhu, Te Liu, Yiyang Jia, Di Sun, Huaiji Chen, Qi Wang, Feng Xu, Yuezhu Zhang, Hongbo Liu, Tianrong Zhang, Lin Ye
As a plasticizer, di-(2-ethylhexyl)-phthalate (DEHP) is widely added in various commercial products. Some researchers had suggested that DEHP has adverse effects on the glucose metabolism, but the mechanisms remain unclear. Adolescent Wistar rats were divided into four groups and administered DEHP by gavage at 0, 5, 50, and 500 mg kg(-1) d(-1) for 28 days. ELISA was used to quantify the serum insulin and leptin levels; RT-PCR, immunohistochemistry, and Western blot were used to detect the mRNA and protein expressions of Janus-activated kinase 2 (JAK2), signal transducer and activator of transcription 3 (STAT3), suppressor of cytokine signaling 3 (SOCS3), leptin receptor (Ob-R), and insulin receptor (IR) in liver and pancreas In comparison to the control group, the DEHP-treated rats showed the following: (1) higher organ coefficient of liver; (2) higher fasting blood glucose levels, higher fasting serum insulin and leptin levels, higher insulin resistance index homeostasis model assessment; (3) lower protein levels of Ob-R and IR in the liver and pancreas; (4) higher protein levels of JAK2 and STAT3 in the liver; and (5) higher protein and mRNA levels of SOCS3 in the liver and pancreas...
November 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29164413/comparison-of-recurrence-between-pancreatic-and-duodenal-neuroendocrine-neoplasms%C3%A2-after-curative-resection-a-single-institution-analysis
#3
Toshihiko Masui, Asahi Sato, Kenzo Nakano, Yuichiro Uchida, Akitada Yogo, Takayuki Anazawa, Kazuyuki Nagai, Yoshiya Kawaguchi, Kyoichi Takaori, Shinji Uemoto
BACKGROUND: The primary site of a neuroendocrine neoplasms (NEN) around the head of the pancreas is sometimes difficult to assess before resection, and the characteristics of the primary site around this region have not been elucidated for recurrence after curative resection. In this study, the clinicopathologic characteristics of pancreatic NEN (PanNEN) and duodenal NEN (DuNEN) were evaluated, and the risk factors as well as the recurrence types after resection were investigated. METHODS: Consecutively diagnosed NEN patients at the authors' hospital from January 2000 to July 2016 were evaluated in this study...
November 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29164275/dna-methylation-markers-associated-with-type-2-diabetes-fasting-glucose-and-hba1c-levels-a-systematic-review-and-replication-in-a-case-control-sample-of-the-lifelines-study
#4
Eliza Walaszczyk, Mirjam Luijten, Annemieke M W Spijkerman, Marc J Bonder, Helen L Lutgers, Harold Snieder, Bruce H R Wolffenbuttel, Jana V van Vliet-Ostaptchouk
AIMS/HYPOTHESIS: Epigenetic mechanisms may play an important role in the aetiology of type 2 diabetes. Recent epigenome-wide association studies (EWASs) identified several DNA methylation markers associated with type 2 diabetes, fasting glucose and HbA1c levels. Here we present a systematic review of these studies and attempt to replicate the CpG sites (CpGs) with the most significant associations from these EWASs in a case-control sample of the Lifelines study. METHODS: We performed a systematic literature search in PubMed and EMBASE for EWASs to test the association between DNA methylation and type 2 diabetes and/or glycaemic traits and reviewed the search results...
November 21, 2017: Diabetologia
https://www.readbyqxmd.com/read/29162562/metabolic-effects-of-bariatric-surgery
#5
REVIEW
Piriyah Sinclair, Neil Docherty, Carel W le Roux
BACKGROUND: Obesity can be defined as a chronic subcortical brain disease, as there is an important neurophysiological component to its etiology based on changes in the functioning of those areas of the brain controlling food intake and reward. Extensive metabolic changes accompany bariatric surgery-based treatment of obesity. Consequently, the term "metabolic" surgery is being increasingly adopted in relation to the beneficial effects these procedures have on chronic diseases like type 2 diabetes...
November 21, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/29161926/neutrophil-lymphocyte-ratio-platelet-lymphocyte-ratio-neutrophil-platelet-score-and-prognostic-nutritional-index-do-they-have-prognostic-significance-in-metastatic-pancreas-cancer
#6
Mutlu Dogan, Efnan Algin, Zeynep Tugba Guven, Meltem Baykara, Tugba Fahriye Kos, Oznur Bal, Nurullah Zengin
INTRODUCTION: We aimed to evaluate the prognostic significance of neutrophil-lypmhocyte ratio (NLR), platelet-lymphocyte ratio (PLR), neutrophil-platelet score (NPS) and prognostic nutritional index (PNI) as proinflammatory markers in metastatic pancreas cancer (MPC). MATERIAL AND METHODS: 146 MPC patients followed-up at our center were evaluated retrospectively for clinicopathological characteristics and hematological ratios (NLR, PLR, NPS and PNI). PNI was calculated as [10 x serum albumin (g/dL)] + [0...
November 22, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29160777/motion-compensation-with-skin-contact-control-for-high-intensity-focused-ultrasound-surgery-in-moving-organs
#7
Alessandro Diodato, Andrea Cafarelli, Andrea Schiappacasse, Selene Tognarelli, Gastone C Ciuti, Arianna Menciassi
High Intensity Focused Ultrasound (HIFU) is an emerging therapeutic solution that enables non-invasive treatment of several pathologies, mainly in oncology. On the other hand, accurate targeting of moving abdominal organs (e.g., liver, kidney, pancreas) is still an open challenge. This paper proposes a novel method to compensate the physiological respiratory motion of organs during HIFU procedures, by exploiting a robotic platform for ultrasound-guided HIFU surgery provided with a therapeutic annular phased array transducer...
November 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29160639/predictors-of-mortality-in-neonates-with-giant-omphaloceles
#8
Amulya K Saxena, Maja Raicevic
INTRODUCTION: This analysis was performed a review of giant-omphaloceles to determine the predictors of mortality. EVIDENCE ACQUISITION: Pubmed® and KoBson databases were searched for terms "giant" "omphalocele" and "mortality". Primary end points included mortality correlation with gestational age (GA), birth weight (BW), eviscerated organs, associated anomalies and management. To calculate mean and median values IBM SPSS version 23.0 was used. EVIDENCE SYNTHESIS: After de-duplication and review search revealed 42 articles of which 23 met our inclusion criteria with 396 giant-omphaloceles for this analysis...
November 21, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/29156810/psc-derived-galectin-1-inducing-epithelial-mesenchymal-transition-of-pancreatic-ductal-adenocarcinoma-cells-by-activating-the-nf-%C3%AE%C2%BAb-pathway
#9
Dong Tang, Jingqiu Zhang, Zhongxu Yuan, Hongpeng Zhang, Yang Chong, Yuqin Huang, Jie Wang, Qingquan Xiong, Sen Wang, Qi Wu, Ying Tian, Yongdie Lu, Xiao Ge, Wenjing Shen, Daorong Wang
Galectin-1 has previously been shown to be strongly expressed in activated pancreatic stellate cells (PSCs) and promote the development and metastasis of pancreatic ductal adenocarcinoma (PDAC). However, the molecular mechanisms by which Galectin-1 promotes the malignant behavior of pancreatic cancer cells remain unclear. In this study, we examined the effects of Galectin-1 knockdown or overexpression in PSCs co-cultured with pancreatic cancer (PANC-1) cells. Immunohistochemical analysis showed expression of epithelial-mesenchymal transition (EMT) markers and MMP9 were positively associated with the expression of Galectin-1 in 66 human PDAC tissues...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29154162/epigenetic-reprogramming-in-metabolic-disorders-nutritional-factors-and-beyond
#10
REVIEW
Zhiyong Cheng, Louise Zheng, Fabio A Almeida
Environmental factors (e.g., malnutrition and physical inactivity) contribute largely to metabolic disorders including obesity, type 2 diabetes, cardiometabolic disease and nonalcoholic fatty liver diseases. The abnormalities in metabolic activity and pathways have been increasingly associated with altered DNA methylation, histone modification and noncoding RNAs, whereas lifestyle interventions targeting diet and physical activity can reverse the epigenetic and metabolic changes. Here we review recent evidence primarily from human studies that links DNA methylation reprogramming to metabolic derangements or improvements, with a focus on cross-tissue (e...
October 23, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29149924/gastrointestinal-and-hepatic-disease-in-spondyloarthritis
#11
REVIEW
Liron Caplan, Kristine A Kuhn
The association of inflammatory arthritis with intestinal pathology extends back more than 100 years. This association is now supported by epidemiologic studies demonstrating an elevated prevalence of inflammatory bowel disease in spondyloarthritis and vice versa, compared with the general population. Genetic and intestinal microbiome studies have further linked these diseases. Although diabetes and nonalcoholic fatty liver disease disproportionately affect individuals with psoriatic arthritis, diseases of the esophagus, stomach, pancreas, and liver are not particularly common in spondyloarthritis...
February 2018: Rheumatic Diseases Clinics of North America
https://www.readbyqxmd.com/read/29143892/update-in-the-therapy-of-advanced-neuroendocrine-tumors
#12
REVIEW
Inbal Uri, Shani Avniel-Polak, David J Gross, Simona Grozinsky-Glasberg
Neuroendocrine tumors (NETs) are rare neoplasms, with an estimated annual incidence of ~ 6.9/100,000. NETs arise throughout the body from cells of the diffuse endocrine system. More than half originate from endocrine cells of the gastrointestinal tract and the pancreas, thus being referred to as gastroenteropancreatic NETs (GEP-NETs). The only treatment that offers a cure is surgery; however, most patients are diagnosed with metastatic disease, and curative surgery is usually not an option. These patients can be offered long-term systemic treatment, for both symptomatic relief and tumor growth suppression...
November 16, 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/29143063/translating-aetiological-insight-into-sustainable-management-of-type-2-diabetes
#13
REVIEW
Roy Taylor, Alison C Barnes
Using a low-energy diet as a tool, it has been possible to elucidate the sequence of pathophysiological changes that lead to the onset of type 2 diabetes. Negative energy balance in type 2 diabetes causes a profound fall in liver fat content resulting in normalisation of hepatic insulin sensitivity within 7 days. As the period of negative energy balance extends and liver fat levels fall to low normal, the rate of export of triacylglycerol from the liver falls. Consequent to this, the raised pancreas fat content falls and in early type 2 diabetes, normal first-phase insulin secretion becomes re-established with normal plasma glucose control...
November 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/29142425/hypoglycemic-hypolipidemic-and-wound-healing-potential-of-quercetin-in-streptozotocin-induced-diabetic-rats
#14
Mahrukh Ahmad, Mudasir Sultana, Rajinder Raina, Nrip Kishore Pankaj, Pawan Kumar Verma, Shahid Prawez
Background: Among the dietary polyphenolic, quercetin is the most common compound available in vegetables and fruits. The phytochemicals are used to treat diabetic wounds and diabetes, and specifically dietary polyphenols are being extensively studied for their anti-inflammatory and antioxidant abilities. Objective: The objective of the study was to assess the hypoglycemic, hypolipidemic, and wound healing potential of quercetin in streptozotocin (STZ)-induced diabetic Wistar rats...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142011/effect-of-distinct-lifestyle-interventions-on-mobilization-of-fat-storage-pools-the-central-mri-randomized-controlled-trial
#15
Yftach Gepner, Ilan Shelef, Dan Schwarzfuchs, Hila Zelicha, Lilac Tene, Anat Yaskolka Meir, Gal Tsaban, Noa Cohen, Nitzan Bril, Michal Rein, Dana Serfaty, Shira Kenigsbuch, Oded Komy, Arik Wolak, Yoash Chassidim, Rachel Golan, Hilla Avni-Hassid, Avital Bilitzky, Benjamin Sarusi, Eyal Goshen, Elad Shemesh, Yaakov Henkin, Michael Stumvoll, Matthias Blüher, Joachim Thiery, Uta Ceglarek, Assaf Rudich, Meir J Stampfer, Iris Shai
Background -We aimed to assess whether distinct lifestyle strategies can differentially affect specific body adipose depots. Methods -We performed an eighteen-month randomized controlled trial among 278 sedentary adults with abdominal obesity (75%) or dyslipidemia in an isolated workplace with a monitored provided lunch. Participants were randomized to iso-caloric low-fat (LF) or Mediterranean/low-carbohydrate (MED/LC) diet+28g walnuts/day with/without added moderate physical activity (PA;80% aerobic; supervised/free gym membership)...
November 15, 2017: Circulation
https://www.readbyqxmd.com/read/29141455/methionine-adenosyltransferases-in-cancers-mechanisms-of-dysregulation-and-implications-for-therapy
#16
Lauren Y Maldonado, Diana Arsene, José M Mato, Shelly C Lu
Methionine adenosyltransferase genes encode enzymes responsible for the biosynthesis of S-adenosylmethionine, the principal biological methyl donor and precursor of polyamines and glutathione. Mammalian cells express three genes - MAT1A, MAT2A, and MAT2B - with distinct expression and functions. MAT1A is mainly expressed in the liver and maintains the differentiated states of both hepatocytes and bile duct epithelial cells. Conversely, MAT2A and MAT2B are widely distributed in non-parenchymal cells of the liver and extrahepatic tissues...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29141381/-inflammatory-myofibroblastic-tumor-of-the-hepatobiliary-pancreatic-system-report-of-three-cases-and-literature-review
#17
D F Hou, X M Bu, Y Su, C Zhao, G Y Wang, M W Yang
Objective: To improve the understanding, diagnosis and treatment of inflammatory myofibroblastic tumor (IMT) of the hepatobiliary pancreatic system through the cases review. Methods: The clinical data of three cases of pathologically-proved IMT of the hepatobiliary pancreatic system was reported and relevant literatures were reviewed. Results: Among three cases of IMT discussed, there consisted of a case of liver, a case of gallbladder and a case of pancreas. The clinical manifestations were nonspecific, and the preoperative diagnosis was difficult...
November 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29139617/world-s-smallest-combined-en-bloc-liver-pancreas-transplantation
#18
Ahmed M Elsabbagh, Jason Hawksworth, Khalid M Khan, Nada Yazigi, Cal S Matsumoto, Thomas M Fishbein
We present a case of a 2-year-old child who underwent a combined en bloc liver and pancreas transplant following complications of WRS. WRS is characterized clinically through infantile insulin-dependent diabetes mellitus, neutropenia, recurrent infections, propensity for liver failure following viral infections, bone dysplasia, and developmental delay. Usually, death occurs from fulminant liver and concomitant kidney failure. Few cases with WRS are reported in the literature, mostly from consanguineous parents...
November 15, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/29137060/a-case-report-of-mixed-acinar-endocrine-carcinoma-of-the-pancreas-treated-with-s-1-chemotherapy-does-it-work-or-induce-endocrine-differentiation
#19
Masataka Yokode, Ryosuke Itai, Yukimasa Yamashita, Yoh Zen
RATIONALE: Acinar cell carcinomas (ACCs) and mixed acinar-endocrine carcinomas (MAECs) of the pancreas are rare, accounting for only 1% of pancreatic tumors. Although both typically present at an advanced stage, chemotherapeutic regimes have not yet been standardized. PATIENT CONCERNS: A 65-year-old man presented with a large mass in the pancreatic tail with multiple liver metastases. DIAGNOSIS, INTERVENTIONS, OUTCOMES: He was initially treated with gemcitabine for suspected ductal carcinoma of the pancreas, but no response was observed...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29132721/endocrine-pathology-past-present-and-future
#20
REVIEW
Sylvia L Asa, Ozgur Mete
Endocrine pathology is the subspecialty of diagnostic pathology which deals with the diagnosis and characterisation of neoplastic and non-neoplastic diseases of the endocrine system. This relatively young subspecialty was initially focused mainly on thyroid and parathyroid pathology, with some participants also involved in studies of the pituitary, the endocrine pancreas, and the adrenal glands. However, the endocrine system involves much more than these traditional endocrine organs and the discipline has grown to encompass lesions of the dispersed neuroendocrine cells, including neuroendocrine tumours (NETs) of the lungs, gastrointestinal tract, thymus, breast and prostate, as well as paraganglia throughout the body, not just in the adrenals...
November 10, 2017: Pathology
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