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infections in pancreatitis

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https://www.readbyqxmd.com/read/29033899/environmental-factors-contribute-to-%C3%AE-cell-endoplasmic-reticulum-stress-and-neo-antigen-formation-in-type-1-diabetes
#1
Meghan L Marré, Jon D Piganelli
Type 1 diabetes (T1D) is an autoimmune disease in which immune-mediated targeting and destruction of insulin-producing pancreatic islet β cells leads to chronic hyperglycemia. There are many β cell proteins that are targeted by autoreactive T cells in their native state. However, recent studies have demonstrated that many β cell proteins are recognized as neo-antigens following posttranslational modification (PTM). Although modified neo-antigens are well-established targets of pathology in other autoimmune diseases, the effects of neo-antigens in T1D progression and the mechanisms by which they are generated are not well understood...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29031650/tigecycline-based-prolonged-salvage-therapy-in-patients-presenting-with-complex-bone-and-joint-infection
#2
J Wach, A Dinh, H Dutronc, O R Sipahi, A Candevir, F Valour, V Zeller, S Lustig, F Laurent, C Chidiac, T Ferry
OBJECTIVES: To assess the clinical experience of tigecycline-based salvage therapy in patients presenting with Bone and Joint Infections (BJI). PATIENTS AND METHODS: Multicenter retrospective cohort study in France and Turkey (2007-2014). RESULTS: Thirty-six patients (age 58.2±17.8 years; 21 men) were included. The most frequently isolated bacteria were Enterobacteriaceae and staphylococci. Tigecycline (50mg BID, mainly in combination (69...
October 12, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29029985/clinical-and-pathological-outcomes-after-irreversible-electroporation-of-the-pancreas-using-two-parallel-plate-electrodes-a-porcine-model
#3
Steffi J E Rombouts, Willemijn P M van Dijck, Maarten W Nijkamp, Tyche C Derksen, Lodewijk A A Brosens, Frederik J H Hoogwater, Maarten S van Leeuwen, Inne H M Borel Rinkes, Richard van Hillegersberg, Fred H Wittkampf, Izaak Q Molenaar
BACKGROUND: Irreversible electroporation (IRE) by inserting needles around the tumor as treatment for locally advanced pancreatic cancer entails several disadvantages, such as incomplete ablation due to field inhomogeneity, technical difficulties in needle placement and a risk of pancreatic fistula development. This experimental study evaluates outcomes of IRE using paddles in a porcine model. METHODS: Six healthy pigs underwent laparotomy and were treated with 2 separate ablations (in head and tail of the pancreas)...
October 10, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29026869/associations-between-antiretroviral-treatment-and-avascular-bone-necrosis-the-swiss-hiv-cohort-study
#4
Cornelia Bayard, Bruno Ledergerber, Markus Flepp, Thanh Lecompte, Estelle Moulin, Matthias Hoffmann, Rainer Weber, Cornelia Staehelin, Caroline Di Benedetto, Christoph A Fux, Philip E Tarr, Barbara Hasse
BACKGROUND: HIV-infected individuals have an increased risk of avascular bone necrosis (AVN). Antiretroviral therapy (ART) and particularly protease inhibitors (PI) have been implicated as a risk factor. We aimed to study the associations of ART with the occurrence of AVN among Swiss HIV Cohort Study participants (SHCS). METHODS: We used incidence density sampling to perform a case control study within the Swiss HIV Cohort Study (SHCS) comparing prospectively collected AVN cases and controls by conditional logistic regression analysis...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29022866/ictv-virus-taxonomy-profile-hepeviridae
#5
Michael A Purdy, Tim J Harrison, S Jameel, X-J Meng, H Okamoto, W H M Van der Poel, Donald B Smith, Ictv Report Consortium
The family Hepeviridae includes enterically transmitted small non-enveloped positive-sense RNA viruses. It includes the genera Piscihepevirus, whose members infect fish, and Orthohepevirus, whose members infect mammals and birds. Members of the genus Orthohepevirus include hepatitis E virus, which is responsible for self-limiting acute hepatitis in humans and several mammalian species; the infection may become chronic in immunocompromised individuals. Extrahepatic manifestations of Guillain-Barré syndrome, neuralgic amyotrophy, glomerulonephritis and pancreatitis have been described in humans...
October 12, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/29021509/nucleotide-binding-oligomerization-domain-1-and-gastrointestinal-disorders
#6
Tomohiro Watanabe, Naoki Asano, Masatoshi Kudo, Warren Strober
Nucleotide-binding oligomerization domain 1 (NOD1) is an intracellular sensor that detects small peptides derived from the cell wall component of intestinal microflora. NOD1 is expressed in both non-hematopoietic cells such as epithelial cells and hematopoietic cells such as antigen-presenting cells. Detection of its ligand by NOD1 leads to innate immune responses through activation of nuclear factor kappa B and type I interferon as well as induction of autophagy. Innate immune responses through NOD1 activation play an indispensable role both in host defense against microbial infection and in the development of gastrointestinal disorders...
2017: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
https://www.readbyqxmd.com/read/29019583/management-of-infected-pancreatic-necrosis-state-of-the-art
#7
Roberto Rasslan, Fernando da Costa Ferreira Novo, Alberto Bitran, Edivaldo Massazo Utiyama, Samir Rasslan
Pancreatic necrosis occurs in 15% of acute pancreatitis. The presence of infection is the most important factor in the evolution of pancreatitis. The diagnosis of infection is still challenging. Mortality in infected necrosis is 20%; in the presence of organic dysfunction, mortality reaches 60%. In the last three decades, there has been a real revolution in the treatment of infected pancreatic necrosis. However, the challenges persist and there are many unsolved questions: antibiotic treatment alone, tomography-guided percutaneous drainage, endoscopic drainage, video-assisted extraperitoneal debridement, extraperitoneal access, open necrosectomy? A step up approach has been proposed, beginning with less invasive procedures and reserving the operative intervention for patients in which the previous procedure did not solve the problem definitively...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/29018409/innate-viral-receptor-signaling-determines-type-1-diabetes-onset
#8
REVIEW
Zachary J Morse, Marc S Horwitz
Heritable susceptibility of the autoimmune disorder, type 1 diabetes (T1D), only partially equates for the incidence of the disease. Significant evidence attributes several environmental stressors, such as vitamin D deficiency, gut microbiome, dietary antigens, and most notably virus infections in triggering the onset of T1D in these genetically susceptible individuals. Extensive epidemiological and clinical studies have provided credibility to this causal relationship. Infection by the enterovirus, coxsackievirus B, has been closely associated with onset of T1D and is considered a significant etiological agent for disease induction...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29018243/6e11-a-highly-selective-inhibitor-of-receptor-interacting-protein-kinase-1-protects-cells-against-cold-hypoxia-reoxygenation-injury
#9
C Delehouzé, S Leverrier-Penna, F Le Cann, A Comte, M Jacquard-Fevai, O Delalande, N Desban, B Baratte, I Gallais, F Faurez, M C Bonnet, M Hauteville, P G Goekjian, R Thuillier, F Favreau, P Vandenabeele, T Hauet, M T Dimanche-Boitrel, S Bach
Necroptosis is a programmed cell death pathway that has been shown to be of central pathophysiological relevance in multiple disorders (hepatitis, brain and cardiac ischemia, pancreatitis, viral infection and inflammatory diseases). Necroptosis is driven by two serine threonine kinases, RIPK1 (Receptor Interacting Protein Kinase 1) and RIPK3, and a pseudo-kinase MLKL (Mixed Lineage Kinase domain-Like) associated in a multi-protein complex called necrosome. In order to find new inhibitors for use in human therapy, a chemical library containing highly diverse chemical structures was screened using a cell-based assay...
October 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28993759/the-four-way-stop-sign-viruses-12-lipoxygenase-islets-and-natural-killer-cells-in-type-1-diabetes-progression
#10
Michele L Semeraro, Lindsey M Glenn, Margaret A Morris
Natural killer (NK) cells represent an important effector arm against viral infection, and mounting evidence suggests that viral infection plays a role in the development of type 1 diabetes (T1D) in at least a portion of patients. NK cells recognize their target cells through a delicate balance of inhibitory and stimulatory receptors on their surface. If unbalanced, NK cells have great potential to wreak havoc in the pancreas due to the beta cell expression of the as-yet-defined NKp46 ligand through interactions with the activating NKp46 receptor found on the surface of most NK cells...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28993180/efficacy-and-safety-of-switching-from-boosted-protease-inhibitors-plus-emtricitabine-and-tenofovir-disoproxil-fumarate-regimens-to-single-tablet-darunavir-cobicistat-emtricitabine-and-tenofovir-alafenamide-at-48-weeks-in-adults-with-virologically-suppressed
#11
Chloe Orkin, Jean-Michel Molina, Eugenia Negredo, José R Arribas, Joseph Gathe, Joseph J Eron, Erika Van Landuyt, Erkki Lathouwers, Veerle Hufkens, Romana Petrovic, Simon Vanveggel, Magda Opsomer
BACKGROUND: Simplified regimens with reduced pill burden and fewer side-effects are desirable for people living with HIV. We investigated the efficacy and safety of switching to a single-tablet regimen of darunavir, cobicistat, emtricitabine, and tenofovir alafenamide versus continuing a regimen of boosted protease inhibitor, emtricitabine, and tenofovir disoproxil fumarate. METHODS: EMERALD was a phase-3, randomised, active-controlled, open-label, international, multicentre trial, done at 106 sites across nine countries in North America and Europe...
October 5, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28985843/total-parenteral-nutrition-in-patients-following-pancreaticoduodenectomy-lessons-from-1184-patients
#12
Cullen E Worsh, Talar Tatarian, Awinder Singh, Michael J Pucci, Jordan M Winter, Charles J Yeo, Harish Lavu
BACKGROUND: Total parenteral nutrition (TPN) has historically been used conservatively in the management of patients after pancreaticoduodenectomy (PD). Herein, we evaluate the indications for and outcomes associated with TPN use in a high-volume pancreatic surgery center. MATERIALS AND METHODS: We retrospectively queried our institution's pancreatic surgery database for patients who received TPN after PD from 2006 through 2015. RESULTS: Of 1184 patients who underwent PD, 232 (19...
October 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28984785/intestinal-fatty-acid-binding-protein-and-citrulline-as-markers-of-gut-injury-and-prognosis-in-patients-with-acute-pancreatitis
#13
Pooja Goswami, Ujjwal Sonika, Praneeth Moka, Vishnubhatla Sreenivas, Anoop Saraya
OBJECTIVES: Severe acute pancreatitis (AP) is associated with high mortality due to systemic inflammatory response syndrome in the early phase and secondary infection in the later phase. Concomitant intestinal ischemia often results in gut injury. We studied intestinal fatty acid binding protein (IFABP) and citrulline levels as markers of gut injury to predict prognosis in AP. METHODS: Acute pancreatitis patients at admission and controls were studied. Serum IFABP was measured by enzyme-linked immunosorbent assay and plasma citrulline by high-performance liquid chromatography technique...
October 3, 2017: Pancreas
https://www.readbyqxmd.com/read/28983296/recombinant-trichinella-pseudospiralis-serine-protease-inhibitors-alter-macrophage-polarization-in-vitro
#14
Ning Xu, Xiaolei Liu, Bin Tang, Libo Wang, Hai N Shi, Pascal Boireau, Mingyuan Liu, Xue Bai
During parasite infection, serine protease inhibitors secreted by parasites play important roles in suppressing host defenses. However, the mechanism of immune regulation is unclear. In this study, a serpin gene from Trichinella pseudospiralis, named Tp-Serpin, was cloned and expressed, in order to reveal its role in the regulation of the host immune response in T. pseudospiralis infection. The results showed that Tp-Serpin encodes a 43 kDa protein that was recognized by serum from T. pseudospiralis infected mice at 60 days post-infection (dpi)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28980499/the-occurrence-of-enterococcus-faecium-and-faecalis-is-significantly-associated-with-anastomotic-leakage-after-pancreaticoduodenectomy
#15
M Belmouhand, P S Krohn, L B Svendsen, A Henriksen, C P Hansen, M P Achiam
BACKGROUND AND AIMS: Enterococcus has emerged as a virulent species; Enterococcus faecium especially has arisen as a source of nosocomial infections. Furthermore, specific Enterococcus faecalis species are significantly associated with anastomotic leakage in rodent studies. The objective of this study was to investigate whether the occurrence of Enterococci ( E. faecium and E. faecalis) obtained from drain samples was associated with leakage in humans undergoing pancreaticoduodenectomy...
October 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28979631/primary-hydatid-cyst-of-the-pancreas-of-the-child-a-case-report
#16
Achraf El Bakkaly, Nour Merouane, Omar Dalero, Houda Oubeja, Mounir Erraji, Fouad Ettayebi, Hicham Zerhouni
Primary pancreatic hydatid lesions are very rare with an incidence of less than 1% in the adult population. We report an observation of a 5-year-old girl who consulted for isolated abdominal pain occurring for 2 weeks without vomiting, transit disorders or jaundice and evolving in a context of conservation of the general condition and apyrexia. Clinical examination and preoperative imaging have suggested the diagnosis of a choledochal cyst or duodenal duplication rather than a hydatid cyst of the pancreas due to the presence of a cystic hepatic image projecting into the liver hilum...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28975996/laparoscopic-pancreaticoduodenectomy-for-tumors-of-the-head-of-pancreas-10-cases-for-a-single-center-experience
#17
F Caruso, G Alessandri, G Cesana, G Castello, M Uccelli, F Ciccarese, R Giorgi, R Villa, B Scotto, S Olmi
OBJECTIVE: The tumors of the head of the pancreas are one of the leading causes of cancer-related death in Western countries. The current gold standard for these tumors is a Whipple procedure. This procedure did not change in its surgical steps since when it was initially introduced in 1935. More recently, a laparoscopic approach with similar outcomes has been described. The aim of this paper is to describe the laparoscopic surgical technique performed in our unit, reporting single center postoperative outcomes...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28973047/tlr3-is-required-for-survival-following-coxsackievirus-b3-infection-by-driving-t-lymphocyte-activation-and-polarization-the-role-of-dendritic-cells
#18
Renata Sesti-Costa, Marcela Cristina Santiago Françozo, Grace Kelly Silva, José Luiz Proenca-Modena, João Santana Silva
Type B coxsackievirus (CVB) is a common cause of acute and chronic myocarditis, meningitis and pancreatitis, often leading to heart failure and pancreatic deficiency. The polarization of CD4+ T lymphocytes and their cytokine milieu are key factors in the outcome of CVB-induced diseases. Thus, sensing the virus and driving the adaptive immune response are essential for the establishment of a protective immune response. TLR3 is a crucial virus recognition receptor that confers the host with resistance to CVB infection...
2017: PloS One
https://www.readbyqxmd.com/read/28969011/cancer-risk-in-patients-with-candidiasis-a-nationwide-population-based-cohort-study
#19
Li-Min Chung, Ji-An Liang, Cheng-Li Lin, Li-Min Sun, Chia-Hung Kao
BACKGROUND: Candidiasis and certain types of cancer are related to immunocompromised status. This study aimed to evaluate whether Candida infection (CI) is associated with subsequent cancer risk in Taiwan. METHODS: Data from the National Health Insurance system of Taiwan were used to evaluate the association between CI and cancer risk. The CI cohort comprised 34,829 patients. Each patient was randomly frequency matched with one person from the general population without CI on the basis of age, sex, year of index date of CI diagnosis, and other characteristics to generate the control group...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28966194/open-abdomen-in-trauma-and-critical-care
#20
Eleanor R Fitzpatrick
The open abdomen technique and temporary abdominal closure after damage control surgery is fast becoming the standard of care for managing intra-abdominal bleeding and infectious or ischemic processes in critically ill patients. Expansion of this technique has evolved from damage control surgery in severely injured trauma patients to use in patients with abdominal compartment syndrome due to acute pancreatitis and other disorders. Subsequent therapies after use of the open abdomen technique and temporary abdominal closure are resuscitation in the intensive care unit and planned reoperation to manage the underlying cause of bleeding, infection, or ischemia...
October 2017: Critical Care Nurse
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