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https://www.readbyqxmd.com/read/29679893/identification-of-homocysteine-suppressive-mitochondrial-etc-complex-genes-and-tissue-expression-profile-novel-hypothesis-establishment
#1
Ramon Cueto, Lixiao Zhang, Hui Min Shan, Xiao Huang, Xinyuan Li, Ya-Feng Li, Jahaira Lopez, William Y Yang, Muriel Lavallee, Catherine Yu, Yong Ji, Xiaofeng Yang, Hong Wang
Hyperhomocysteinemia (HHcy) is an independent risk factor for cardiovascular disease (CVD) which has been implicated in matochondrial (Mt) function impairment. In this study, we characterized Hcy metabolism in mouse tissues by using LC-ESI-MS/MS analysis, established tissue expression profiles for 84 nuclear-encoded Mt electron transport chain complex (nMt-ETC-Com) genes in 20 human and 19 mouse tissues by database mining, and modeled the effect of HHcy on Mt-ETC function. Hcy levels were high in mouse kidney/lung/spleen/liver (24-14 nmol/g tissue) but low in brain/heart (~5 nmol/g)...
April 4, 2018: Redox Biology
https://www.readbyqxmd.com/read/29678923/eje-prize-2018-a-gut-feeling-about-glucagon
#2
Filip Krag Knop
Hyperglucagonaemia (in the fasting as well as in the postprandial state) is considered a core pathophysiological component of diabetes and to contribute substantially to the hyperglycaemic state of diabetes. Hyperglucagonaemia is usually viewed upon as a consequence of pancreatic alpha cell insensitivity to the glucagon-suppressive effects of glucose and insulin. Since we observed that the well-known hyperglucagonaemic response to oral glucose in patients with type 2 diabetes is exchanged by normal suppression of plasma glucagon levels following isoglycaemic intravenous glucose administration in these patients, we have been focusing on the gut and gut-derived factors as potential mediators of diabetic hyperglucagonaemia...
April 20, 2018: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29678717/a-tandem-mass-tag-tmt-proteomic-analysis-during-the-early-phase-of-experimental-pancreatitis-reveals-new-insights-in-the-disease-pathogenesis
#3
Violeta García-Hernández, Carmen Sánchez-Bernal, Domitille Schvartz, José J Calvo, Jean-Charles Sanchez, Jesús Sánchez-Yagüe
Changes in the protein expression occurring within the initiation phase of acute pancreatitis (AP) might be vital in the development of this complex disease. However, the exact mechanisms involved in the onset of AP remains elusive and most of our knowledge about the pathobiology of AP comes from animal models. We performed in a rat pancreatitic model a high-throughput shotgun proteomic profiling of the soluble and whole membrane fractions from the pancreas during the early phase of cerulein (Cer)-induced AP...
April 17, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29678364/surgeons-assessment-versus-risk-models-for-predicting-complications-of-hepato-pancreato-biliary-surgery-hpb-risc-a-multicenter-prospective-cohort-study
#4
Morsal Samim, Timothy H Mungroop, Mohammed AbuHilal, Cas J Isfordink, Quintus I Molenaar, Marcel J van der Poel, Thomas A Armstrong, Arjun S Takhar, Neil W Pearce, John N Primrose, Scott Harris, Helena M Verkooijen, Thomas M van Gulik, Jeroen Hagendoorn, Olivier R Busch, Colin D Johnson, Marc G Besselink
BACKGROUND: Several studies advise the use of risk models when counseling patients for hepato-pancreato-biliary (HPB) surgery, but studies comparing these models to the surgeons' assessment are lacking. The aim of this study was to assess whether risk prediction models outperform surgeons' assessment for the risk of complications in HPB surgery. METHODS: This prospective study included adult patients scheduled for HPB surgery in three centers in the UK and the Netherlands...
April 17, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29677540/ameliorating-effect-of-berbamine-on-hepatic-key-enzymes-of-carbohydrate-metabolism-in-high-fat-diet-and-streptozotocin-induced-type-2-diabetic-rats
#5
Sankaranarayanan Chandrasekaran, Nishanthi Ramajayam, Pugalendi Pachaiappan
BACKGROUND: Aberrations in the activities of key enzymes of carbohydrate metabolism is well documented in diabetes mellitus. Previous studies have shown that active ingredients in the extracts of Berberis aristata exhibits diverse pharmacological activities in animal models. OBJECTIVE: The present study was undertaken to investigate whether berbamine (BBM), an alkaloid from the roots of Berberis aristata can ameliorate the altered activities of carbohydrate metabolic enzymes in high fat diet (HFD)/streptozotocin (STZ) induced diabetic rats...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29676018/conversion-from-tacrolimus-mycophenolate-mofetil-to-tacrolimus-mtor-immunosuppression-after-kidney-pancreas-transplantation-reduces-the-incidence-of-both-bk-and-cmv-viremia
#6
Richard J Knight, Edward A Graviss, Duc T Nguyen, Samantha A Kuten, Samir J Patel, Lillian Gaber, A Osama Gaber
BACKGROUND: We sought to determine if conversion from tacrolimus/mycophenolate mofetil (TAC-MMF) to tacrolimus/mTOR inhibitor (TAC-mTOR) immunosuppression would reduce the incidences of BK and CMV viremia after kidney/pancreas (KP) transplantation. METHODS: In this single center review, the TAC-mTOR cohort (n=39) was converted at one month post-transplant to an mTOR inhibitor and reduced dose tacrolimus. Outcomes were compared to a cohort of KP recipients (n=40) maintained on TAC-MMF...
April 19, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29675938/value-of-additional-endoscopic-ultrasonography-for-surveillance-after-surgical-removal-of-intraductal-papillary-mucinous-neoplasms
#7
Ken Kamata, Mamoru Takenaka, Kosuke Minaga, Shunsuke Omoto, Takeshi Miyata, Kentaro Yamao, Hajime Imai, Atsushi Nakai, Hidekazu Tanaka, Yasutaka Chiba, Tomohiro Watanabe, Toshiharu Sakurai, Naoshi Nishida, Takaaki Chikugo, Ippei Matsumoto, Yoshifumi Takeyama, Masayuki Kitano, Masatoshi Kudo
BACKGROUND AND AIMS: This study evaluated the utility of endoscopic ultrasonography (EUS), combined with contrast-enhanced harmonic EUS (CH-EUS), for surveillance of the remnant pancreas after surgery for intraductal papillary mucinous neoplasm (IPMN). METHODS: This was a single-center, retrospective, descriptive study. A total of 134 consecutive patients who underwent surgical resection for IPMN between April 2009 and March 2015 were evaluated. The rates of recurrence and development of IPMN-concomitant pancreatic ductal adenocarcinoma (PDAC) during follow-up were assessed...
April 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29675735/xanthogranulomatosis-of-the-spleen-a-case-report
#8
Goshi Fujimoto, Ken Hayashi, Shigetoshi Yamada, Hiroshi Kusanagi, Koichi Honma
BACKGROUND: Xanthogranulomatous inflammation is recognized as a subtype of cholecystitis; however, it can also occur in other organs. Xanthogranulomatosis of the kidney, bone, ovary, endometrium, vagina, prostate, lymph nodes and pancreas was reported. Herein, we report a case of laparoscopic splenectomy in a patient with xanthogranulomatosis of the spleen that was difficult to diagnose preoperatively. CASE PRESENTATION: A 63-year-old man with a past medical history of hyperlipidemia had gradually growing multiple splenic masses, which were revealed on abdominal ultrasonography...
April 19, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29675587/a-case-of-gastric-neuroendocrine-neoplasm-with-mixed-grade-a-distinct-type-of-high-grade-well-differentiated-neuroendocrine-neoplasm
#9
Elia Guadagno, Gaetano Luglio, Alessandro Iacobelli, Giorgio Borrelli, Antonio Castaldi, Gaetano De Rosa, Marialaura Del Basso De Caro
Grade 3 neuroendocrine tumor (NET G3) is a rare new entity that has recently been introduced in the classification of neuroendocrine neoplasms of the pancreas. It is a well-differentiated form, with a high proliferative activity (Ki67 > 20%), and it represents a category whose prognosis is intermediate between NET G2 and poorly differentiated neuroendocrine carcinoma (NEC G3). In sites other than the pancreas, this new category is by far less coded. Herein is reported a case of NET G3 of the stomach, the 13th described in literature...
April 19, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29675567/human-urine-derived-stem-cells-play-a-novel-role-in-the-treatment-of-stz-induced-diabetic-mice
#10
Tianxue Zhao, Deng Luo, Yun Sun, Xin Niu, Yang Wang, Chen Wang, Weiping Jia
Human urine-derived stem cells (hUSCs) are a potential stem cell source for cell therapy. However, the effect of hUSCs on glucose metabolism regulation in type 1 diabetes was not clear. Therefore, the aim of the study was to evaluate whether hUSCs have protective effect on streptozotocin (STZ)-induced diabetes. hUSCs were extracted and cultivated with a special culture medium. Flow cytometry analysis was applied to detect cell surface markers. BALB/c male nude mice were either injected with high-dose STZ (HD-STZ) or multiple low-dose STZ (MLD-STZ)...
April 19, 2018: Journal of Molecular Histology
https://www.readbyqxmd.com/read/29675407/pancreatic-aquaporin-7-a-novel-target-for-anti-diabetic-drugs
#11
REVIEW
Leire Méndez-Giménez, Silvia Ezquerro, Inês V da Silva, Graça Soveral, Gema Frühbeck, Amaia Rodríguez
Aquaporins comprise a family of 13 members of water channels (AQP0-12) that facilitate a rapid transport of water across cell membranes. In some cases, these pores are also permeated by small solutes, particularly glycerol, urea or nitric oxide, among other solutes. Several aquaporins have been identified in the pancreas, an exocrine and endocrine organ that plays an essential role in the onset of insulin resistance and type 2 diabetes. The exocrine pancreas, which accounts for 90% of the total pancreas, secretes daily large volumes of a near-isotonic fluid containing digestive enzymes into the duodenum...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29675033/identification-and-validation-of-a-diagnostic-and-prognostic-multi-gene-biomarker-panel-for-pancreatic-ductal-adenocarcinoma
#12
Hagen Klett, Hannah Fuellgraf, Ella Levit-Zerdoun, Saskia Hussung, Silke Kowar, Simon Küsters, Peter Bronsert, Martin Werner, Uwe Wittel, Ralph Fritsch, Hauke Busch, Melanie Boerries
Late diagnosis and systemic dissemination essentially contribute to the invariably poor prognosis of pancreatic ductal adenocarcinoma (PDAC). Therefore, the development of diagnostic biomarkers for PDAC are urgently needed to improve patient stratification and outcome in the clinic. By studying the transcriptomes of independent PDAC patient cohorts of tumor and non-tumor tissues, we identified 81 robustly regulated genes, through a novel, generally applicable meta-analysis. Using consensus clustering on co-expression values revealed four distinct clusters with genes originating from exocrine/endocrine pancreas, stromal and tumor cells...
2018: Frontiers in Genetics
https://www.readbyqxmd.com/read/29674342/app-deficiency-results-in-resistance-to-obesity-but-impairs-glucose-tolerance-upon-high-fat-feeding
#13
Juliane Czeczor, Amanda Genders, Kathryn Aston-Mourney, Timothy Connor, Liam Hall, Kyoko Hasebe, Megan Ellis, Kirstie De Jong, Darren Henstridge, Peter Meikle, Mark Febbraio, Ken Walder, Sean L McGee
The amyloid precursor protein (APP) generates a number of peptides when processed through different cleavage mechanisms, including the Aβ peptide that is implicated in the development of Alzheimer's disease. It is well established that APP via its cleaved peptides regulates aspects of neuronal metabolism. Emerging evidence suggests that amyloidogenic processing of APP can lead to altered systemic metabolism, similar to that observed in metabolic disease states. In the present study, we investigated the effect of APP deficiency on obesity-induced alterations in systemic metabolism...
April 19, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29673982/synthesis-of-some-novel-dimethine-bis-dimethine-cyanine-dyes-and-octacosamethine-cyanine-dyes-endowed-with-promising-biological-potency-against-hepg2-hela-mcf-7-mia-sn12c-and-h358-cell-lines
#14
Rasha E El-Mekawy, A A Fadda
Successfully, one step two component synthesis of dimethine cyanine dyes, bis-dimethine cyanine dyes and icosamethine cyanine dyes 2-10via reaction of pyridinium salt 1 with some different aldehydes hope to obtain these compounds with enhanced biological potency as antitumor agents against spontaneous liver (HepG2), cervical (Hela), breast (MCF-7), pancreas (MIA), kidney (SN12C) and lung (H358). The impact of substituted drugs on the tumor cells was reflected by means of structure activity relationship (SAR)...
April 12, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29673130/effects-of-gip-on-regional-blood-flow-during-normoglycemia-and-hyperglycemia-in-anesthetized-rats
#15
Xiang Gao, Andreas Lindqvist, Monica Sandberg, Leif Groop, Nils Wierup, Leif Jansson
The incretin hormone glucose-dependent insulinotropic polypeptide (GIP) potentiates glucose-stimulated insulin secretion, and affects β-cell turnover. This study aimed at evaluating if some of the beneficial effects of GIP on glucose homeostasis can be explained by modulation of islet blood flow. Anesthetized Sprague-Dawley rats were infused intravenously with different doses of GIP (10, 20, or 60 ng/kg*min) for 30 min. Subsequent organ blood flow measurements were performed with microspheres. In separate animals, islets were perfused ex vivo with GIP (10-6 -10-12  mol/L) during normo- and hyperglycemia and arteriolar responsiveness was recorded...
April 2018: Physiological Reports
https://www.readbyqxmd.com/read/29672582/changes-in-n-glycans-of-igg4-and-its-relationship-with-the-existence-of-hypocomplementemia-and-individual-organ-involvement-in-patients-with-igg4-related-disease
#16
Naoki Konno, Mitsuru Sugimoto, Tadayuki Takagi, Makiko Furuya, Tomoyuki Asano, Shuzo Sato, Hiroko Kobayashi, Kiyoshi Migita, Yoshiaki Miura, Taichi Aihara, Atsushi Komatsuda, Hiromasa Ohira, Hiroshi Watanabe
BACKGROUND: Although increased serum IgG4 level and tissue infiltration of IgG4-positive cells are key events in IgG4-related disease (IgG4RD), and nearly half of IgG4RD patients show hypocomplementemia, the role of IgG4 in the pathogenesis of IgG4RD remains unclear. Many reports show that altered IgG glycosylation, especially IgG with agalactosylated N-linked glycan (G0 N-glycan), have proinflammatory roles including complement activation, implicated in the pathogenesis of various inflammatory diseases...
2018: PloS One
https://www.readbyqxmd.com/read/29672365/the-impact-of-epidemiological-factors-and-treatment-interventions-on-survival-in-patients-with-signet-ring-cell-carcinoma-of-the-pancreas
#17
Mausam Patel, Harliv S Hans, Kelsey Pan, Humza Khan, Elie Donath, Humberto Caldera
OBJECTIVES: Primary pancreatic signet ring cell carcinoma (SRCC) is a rare histologic variant of pancreatic carcinoma. A population-based analysis of pancreatic SRCC was performed to determine the predictive effects of epidemiological factors and treatment interventions on overall survival (OS) and disease-specific survival (DSS). MATERIALS AND METHODS: The Surveillance, Epidemiology, and End Results registry was searched for pancreatic SRCC cases diagnosed between January 1, 1973 and December 31, 2013...
April 18, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29671537/chronic-pancreatitis-diagnosis-and-treatment
#18
Kathleen Barry
Chronic pancreatitis is an irreversible and progressive disorder of the pancreas characterized by inflammation, fibrosis, and scarring. Exocrine and endocrine functions are lost, often leading to chronic pain. The etiology is multifactorial, although alcoholism is the most significant risk factor in adults. The average age at diagnosis is 35 to 55 years. If chronic pancreatitis is suspected, contrast-enhanced computed tomography is the best imaging modality for diagnosis. Computed tomography may be inconclusive in early stages of the disease, so other modalities such as magnetic resonance imaging, magnetic resonance cholangiopancreatography, or endoscopic ultrasonography with or without biopsy may be used...
March 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29671418/the-role-of-k-atp-channels-in-cerebral-ischemic-stroke-and-diabetes
#19
REVIEW
Vivian Szeto, Nai-Hong Chen, Hong-Shuo Sun, Zhong-Ping Feng
ATP-sensitive potassium (KATP ) channels are ubiquitously expressed on the plasma membrane of cells in multiple organs, including the heart, pancreas and brain. KATP channels play important roles in controlling and regulating cellular functions in response to metabolic state, which are inhibited by ATP and activated by Mg-ADP, allowing the cell to couple cellular metabolic state (ATP/ADP ratio) to electrical activity of the cell membrane. KATP channels mediate insulin secretion in pancreatic islet beta cells, and controlling vascular tone...
April 19, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29670799/a-modified-technique-for-laparoscopic-spleen-preserving-distal-pancreatectomy
#20
Andreas Papatriantafyllou, Theodoros Mavromatis, Theano Demestiha, Dimitrios Filippou, Panagiotis Skandalakis
Spleen preserving laparoscopic distal pancreatectomy is considered as first choice operation for symptomatic benign or small malignant lesions located at the body or tail of the pancreas. The two main surgical techniques that have been proposed and widely adopted for spleen preserving laparoscopic distal pancreatectomy are the Warshaw and Kimura techniques. A novel modified approach for laparoscopic spleen preserving distal pancreatectomy is presented. The technique was initially performed in a 57-year-old female patient with mucinous cystadenoma...
2018: Case Reports in Surgery
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