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https://www.readbyqxmd.com/read/27926941/type-1-interferons-and-nk-cells-limit-murine-cytomegalovirus-escape-from-the-lymph-node-subcapsular-sinus
#1
Helen E Farrell, Kimberley Bruce, Clara Lawler, Rhonda D Cardin, Nicholas J Davis-Poynter, Philip G Stevenson
Cytomegaloviruses (CMVs) establish chronic, systemic infections. Peripheral infection spreads via lymph nodes, which are also a focus of host defence. Thus, this is a point at which systemic infection spread might be restricted. Subcapsular sinus macrophages (SSM) captured murine CMV (MCMV) from the afferent lymph and poorly supported its replication. Blocking the type I interferon (IFN-I) receptor (IFNAR) increased MCMV infection of SSM and of the fibroblastic reticular cells (FRC) lining the subcapsular sinus, and accelerated viral spread to the spleen...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27924972/protective-mechanisms-of-purified-polyphenols-from-pinecones-of-pinus-koraiensis-on-spleen-tissues-in-tumor-bearing-s180-mice-in-vivo
#2
Juanjuan Yi, Cuilin Cheng, Xiaoyu Li, Haitian Zhao, Hang Qu, Zhenyu Wang, Lu Wang
The previous study evaluated the antitumor activity and the underlying mechanism of the purified polyphenols from pinecones of Pinus koraiensis (PPP-40) using a tumor-bearing S180 mice model. This study was designed to evaluate the protective effects of PPP-40 on spleen tissues of S180 mice in vivo. Pretreatment with PPP-40 (150 mg per kg BW per D) could significantly inhibit tumor growth, enhance spleen index and prevent the decline of haematological parameters of S180 mice induced by the tumor microenvironment...
December 7, 2016: Food & Function
https://www.readbyqxmd.com/read/27924392/colonic-stenting-as-a-bridge-to-surgery-versus-emergency-surgery-for-malignant-colonic-obstruction-results-of-a-multicentre-randomised-controlled-trial-esco-trial
#3
Alberto Arezzo, Carmen Balague, Eduardo Targarona, Felice Borghi, Giorgio Giraudo, Luigi Ghezzo, Antonio Arroyo, Javier Sola-Vera, Paolo De Paolis, Maurizio Bossotti, Elisa Bannone, Edoardo Forcignanò, Marco Augusto Bonino, Roberto Passera, Mario Morino
BACKGROUND: The aim of colonic stenting with self-expandable metallic stents in neoplastic colon obstruction is to avoid emergency surgery and thus potentially reduce morbidity, mortality, and need for a stoma. Concern has been raised, however, about the effect of colonic stenting on short-term complications and long-term survival. We compared morbidity rates after colonic stenting as a bridge to surgery (SBTS) versus emergency surgery (ES) in the management of left-sided malignant large-bowel obstruction...
December 6, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27924297/datasets-for-the-validation-of-the-in-vivo-sirna-silencing-of-cd40-and-for-the-detection-of-new-markers-of-atherosclerosis-progression-in-apoe-deficient-mice
#4
Miguel Hueso, Laura De Ramon, Estanislao Navarro, Elia Ripoll, Josep M Cruzado, Josep M Grinyo, Joan Torras
Data presented in this Data in Brief article correspond to the article "in vivo" silencing of CD40 reduces progression of experimental atherogenesis through a NFκB/miR-125b axis and reveals new potential mediators in the pathogenesis of atherosclerosis" (M. Hueso, L. De Ramon, E. Navarro, E. Ripoll, J.M. Cruzado, J.M. Grinyo, J. Torras, 2016) [1]. Here, we describe the validation of the silencing of CD40 expression with a specific siRNA in ApoE(-/-) mouse aortas, and its systemic effects on splenic lymphocytic subpopulations as well as on the infiltration of aortic intima by F4/80(+), galectin-3(+) macrophages or by NF-κB(+) cells...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27923904/augmentation-of-cytolytic-activity-in-murine-natural-killer-cells-and-inhibition-of-tumor-growth-by-the-ethanol-fraction-of-oyster-extract
#5
Kaito Sakaguchi, Ming Zhong, Saeko Kawai, Yoshio Shimizu, Eiichi Gohda
A reduced number and/or reduced activity of natural killer (NK) cells, which are important for defense against a variety of cancers and viral infections, occur under various stress conditions and in patients with various diseases. In this article, we report that the 30% to 50% ethanol precipitate of oyster extract (EPOE50) dose-dependently enhanced the activity of mouse spleen NK cells in vitro and in vivo. The activity of EPOE50 was eluted with a molecular weight of about 2000 by gel filtration and was inactivated by periodate but not by proteinase K...
December 5, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27923205/spontaneous-rupture-of-splenic-hematoma-in-a-malaria-patient-case-report-and-review-of-literature
#6
Bassem M Abou Hussein, Ali M Al Ani, Omar Al-Mayoofi, Mahpara Mehraj, Afra A Joher, Juanita A Bonilla, Alya S Al-Mazrouei, Faisal M Badri
INTRODUCTION: Blunt abdominal trauma is the most common cause of splenic rupture. Malaria is the most frequent tropical infectious cause of spontaneous splenic rupture. The exact mechanism is not well-defined. CASE REPORT: We report a case of thirty-year-old male patient known to have malaria who presented with spontaneous splenic rupture. A trial of conservative treatment failed and splenecomy was done to control bleeding. CONCLUSION: Spontaneous splenic rupture should be kept in mind in malaria patients presenting with left upper quadrant pain and signs of hypovolemia...
October 11, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27922333/environmentally-relevant-chronic-low-dose-tritium-and-gamma-exposures-do-not-increase-somatic-intrachromosomal-recombination-in-pkz1-mouse-spleen
#7
Laura Bannister, Mandy Serran, Lindsey Bertrand, Dmitry Klokov, Heather Wyatt, Melinda Blimkie, Yann Gueguen, Nicholas Priest, Jean-René Jourdain, Pamela Sykes
The toxicity of tritium is a public health concern given its presence and mobility in the environment. For risk predictions using radiological protection models, it is essential to allocate an appropriate radiation weighting factor (WR). This in turn should be consistent with the observed relative biological effectiveness (RBE) of tritium beta radiation. Although the International Commission on Radiological Protection (ICRP) currently recommends a WR of 1 for the calculation of committed effective dose for X rays, gamma rays and electrons of all energies, including tritium energies, there are concerns that tritium health risks are underestimated and that current regulatory tritium drinking water standards need revision...
December 6, 2016: Radiation Research
https://www.readbyqxmd.com/read/27921447/haemorrhagic-shock-due-to-spontaneous-splenic-rupture-in-a-patient-subsequently-diagnosed-with-advanced-ovarian-cancer
#8
Mariaclelia La Russa, Fani Kokka, Michelle Lockley, Elly Brockbank
No abstract text is available yet for this article.
December 6, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27921207/pattern-of-venous-collateral-development-after-splenic-vein-occlusion-in-an-extended-whipple-procedure-whipple-at-the-splenic-artery-and-long-term-results
#9
Ismael Dominguez Rosado, Sanjeev Bhalla, Luis A Sanchez, Ryan C Fields, William G Hawkins, Steven M Strasberg
BACKGROUND: Extended Whipple procedures may require division of the splenic vein (SV). Controversy exists regarding the risk of sequelae of sinistral portal hypertension when the SV is ligated without reimplantation. The aim of this study was to identify postoperative venous collateral patterns and sequelae of SV ligation, as well as long-term results in an extended Whipple procedure. STUDY DESIGN: Patients who had an extended Whipple procedure (Whipple at the Splenic Artery or WATSA) were entered in an institutional database...
December 5, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27921152/proximal-occlusion-of-medium-sized-vessels-with-the-penumbra-occlusion-device-a-study-of-safety-and-efficacy
#10
E Jambon, F Petitpierre, V Brizzi, V Dubuisson, Y Le Bras, N Grenier, F Cornelis
PURPOSE: To retrospectively investigate the safety and efficacy of hybrid proximal coiling of various medium-sized vessels (4 to 8 mm) using the Penumbra Occlusion Device (POD). MATERIALS AND METHODS: From October 2014 to February 2016, 37 proximal embolizations were performed with PODs in 36 patients (mean age: 50.8, range: 10-86; 29 male, 7 female). Vessel occlusions were achieved under fluoroscopic guidance using a 2.7 French microcatheter. Among the 36 vessels targeted, 16 were splenic arteries, 11 renal arteries, 4 mesenteric arteries, 3 arteriovenous fistulae, 1 iliac artery, and 1 gonadal vein...
December 5, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27920710/splenic-angiosarcoma-a-diagnostic-splenectomy-finding
#11
Otavio Schmidt de Azevedo, Bruna do Nascimento Santos, Nelson de Souza Liboni, Juliano Fernandes da Costa, Olimpio Daniel de Campos
Splenic tumors are not frequent. Blood vessel neoplasms are a rare category of tumors and have an extremely low incidence in the spleen. This case report aims to describe a 57-year-old woman in whom a routine imaging examination had shown splenic cysts. During her follow-up, the cysts became larger and increased in number. A diagnostic splenectomy was performed and its analysis showed a rare splenic angiosarcoma.
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27920483/outcomes-of-partial-splenic-embolization-in-patients-with-massive-splenomegaly-due-to-idiopathic-portal-hypertension
#12
Omer Ozturk, Gonca Eldem, Bora Peynircioglu, Taylan Kav, Aysegul Görmez, Barbaros Erhan Cil, Ferhun Balkancı, Cenk Sokmensuer, Yusuf Bayraktar
AIM: To determine the outcomes of partial splenic embolization (PSE) for massive splenomegaly due to idiopathic portal hypertension (IPH). METHODS: In this prospective study, we evaluated the characteristics and prognosis of consecutive patients with IPH who underwent PSE for all indications at a single medical center between June 2009 and January 2015. The inclusion criteria were: presence of hypersplenism, massive splenomegaly, and resultant pancytopenia. The exclusion criteria were: presence of other diseases causing portal hypertension...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920277/the%C3%A2-diffuse%C3%A2-reduction%C3%A2-of%C3%A2-spleen%C3%A2-density-%C3%A2-an%C3%A2-indicator%C3%A2-of%C3%A2-severe%C3%A2-acute%C3%A2-pancreatitis
#13
Guangdong Shao, Yanmei Zhou, Zengfu Song, Maitao Jiang, Xiaoqian Wang, Xiangren Jin, Bei Sun, Xuewei Bai
BACKGROUND: We observed that acute pancreatitis (AP) was associated with diffuse reduction of spleen density (DROSD) in some patients. Furthermore, the condition of these patients was more serious, and the potential relationship between DROSD and structural and functional injury of the spleen remained unclear. Therefore, we performed a preliminary exploration of these factors. METHODS: We analysed pertinent clinical data for AP patients with normal spleen density (control group) and for those with DROSD (reduction group) at the First Affiliated Hospital of Harbin Medical University (2013...
December 5, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27920091/interferon-gamma-limits-diabetogenic-cd8-t-cell-effector-responses-in-type-1-diabetes
#14
John P Driver, Jeremy J Racine, Cheng Ye, Deanna J Lamont, Brittney N Newby, Caroline G McPhee-Leeth, Harold D Chapman, Todd M Brusko, Yi-Guang Chen, Clayton E Mathews, David V Serreze
Type 1 diabetes development in the NOD mouse model is widely reported to be dependent on high-level production by autoreactive CD4(+) and CD8(+) T-cells of IFNγ, generally considered a pro-inflammatory cytokine. However, IFNγ can also participate in tolerance induction pathways, indicating it is not solely pro-inflammatory. This study addresses how IFNγ can suppress activation of diabetogenic CD8(+) T-cells. CD8(+) T-cells transgenically expressing the diabetogenic AI4 T-cell receptor (TCR) adoptively transferred disease to otherwise unmanipulated NOD...
December 5, 2016: Diabetes
https://www.readbyqxmd.com/read/27919929/interleukin-37-and-dendritic-cells-treated-with-interleukin-37-plus-troponin-i-ameliorate-cardiac-remodeling-after-myocardial-infarction
#15
Ruirui Zhu, Haitao Sun, Kunwu Yu, Yucheng Zhong, Huairui Shi, Yuzhen Wei, Xin Su, Wenbin Xu, Quan Luo, Fangyuan Zhang, Zhengfeng Zhu, Kai Meng, Xiaoqi Zhao, Yuzhou Liu, Yi Mao, Peng Cheng, Xiaobo Mao, Qiutang Zeng
BACKGROUND: Excessive immune-mediated inflammatory reactions play a deleterious role in postinfarction ventricular remodeling. Interleukin-37 (IL-37) emerges as an inhibitor of both innate and adaptive immunity. However, the exact role of IL-37 and IL-37 plus troponin I (TnI)-treated dendritic cells (DCs) in ventricular remodeling after myocardial infarction (MI) remains elusive. METHODS AND RESULTS: MI was induced by permanent ligation of the left anterior descending artery...
December 5, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27919180/investigation-of-a-mortality-cluster-in-wild-adult-yellow-eyed-penguins-megadyptes-antipodes-at-otago-peninsula-new-zealand
#16
Brett Gartrell, David Agnew, Maurice Alley, Tim Carpenter, Hye Jeong Ha, Laryssa Howe, Stuart Hunter, Kate McInnes, Rex Munday, Roe Wendi, Young Melanie
We investigated an epidemic mortality cluster of yellow-eyed penguins (Megadyptes antipodes) that involved 67 moribund or dead birds found on various beaches of the Otago Peninsula, New Zealand, between January 21 and March 20, 2013. Twenty-four carcases were examined postmortem. Histological lesions of pulmonary, hepatic and splenic erythrophagocytosis and haemosiderosis were found in 23 of 24 birds. Fifteen birds also had haemoglobin-like protein droplets within renal tubular epithelial cells. Despite consistent histological lesions, a cause of death could not be established...
December 6, 2016: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/27915418/in-vivo-cns-infection-model-of-acanthamoeba-genotype-t4-the-early-stages-of-infection-lack-presence-of-host-inflammatory-response-and-are-a-slow-and-contact-dependent-process
#17
Maritza Omaña-Molina, Dolores Hernandez-Martinez, Raquel Sanchez-Rocha, Ulises Cardenas-Lemus, Citlaltepetl Salinas-Lara, Adolfo Rene Mendez-Cruz, Laura Colin-Barenque, Patricia Aley-Medina, Jesus Espinosa-Villanueva, Leticia Moreno-Fierros, Jacob Lorenzo-Morales
This study was developed in order to describe the early morphological events observed during the invasion of two pathogenic strains of Acanthamoeba (genotype T4); A. castellanii and A. culbertsoni, at the olfactory meatus and cerebral, pulmonary, renal, hepatic and splenic tissues levels, an in vivo invasion study. Histological and immunohistochemical description of the events at 24, 48, 72, and 96 h postintranasal inoculations of BALB/c mice was performed. A. castellanii showed a higher invasion rate than A...
December 3, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27913838/isolated-transverse-process-fractures-insignificant-injury-or-marker-of-complex-injury-pattern
#18
G Lombardo, P Petrone, K Prabhakaran, C P Marini
INTRODUCTION: This study investigates the incidence of isolated transverse process fractures (ITPFx) amongst vertebral fractures in trauma patients, and specific-associated injury patterns present in patients with ITPFx. MATERIALS AND METHODS: A retrospective, 4-year review of our Level 1 Trauma Center registry was performed. Patients with blunt spinal column fractures were identified. Data collected included patient demographics, Injury Severity Score (ISS), type of imaging obtained, and concomitant injuries, including rib and pelvic fractures, liver, spleen, and kidney injury (SOI)...
December 2, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/27912752/a-comparison-of-microrna-expression-profiles-from-splenic-hemangiosarcoma-splenic-nodular-hyperplasia-and-normal-spleens-of-dogs
#19
Janet A Grimes, Nripesh Prasad, Shawn Levy, Russell Cattley, Stephanie Lindley, Harry W Boothe, Ralph A Henderson, Bruce F Smith
BACKGROUND: Splenic masses are common in older dogs; yet diagnosis preceding splenectomy and histopathology remains elusive. MicroRNAs (miRNAs) are short, non-coding RNAs that play a role in post-transcriptional regulation, and differential expression of miRNAs between normal and tumor tissue has been used to diagnose neoplastic diseases. The objective of this study was to determine differential expression of miRNAs by use of RNA-sequencing in canine spleens that were histologically confirmed as hemangiosarcoma, nodular hyperplasia, or normal...
December 3, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27911067/-vascular-interventional-radiology-a-fundamental-procedure-for-the-management-of-paediatric-trauma
#20
E Bordón Cabrera, A Laín, R Gander, M Pérez Lafuente, I Díez Miranda, C G Fontecha, L Seidler, I Delgado, S Cañadas Palazón, J Lloret
INTRODUCTION: The management of active bleeding with haemodinamic lability in the paediatric trauma patient is difficult and generally leads to damage control surgery. Vascular Interventional Radiology (VIR) techniques are useful for the diagnosis as for the definitive treatment. AIM: The aim of our study was to describe our experience and evaluate effectiveness of VIR in the management of the paediatric trauma patient with active bleeding signs. METHODS: Retrospective analysis (2003-2014) of politraumatic patients who showed contrast blush on computed tomography and then treated by VIR techniques...
January 25, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
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