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Adam C Labonte, Sun-Sang J Sung, Lucas T Jennelle, Aditya P Dandekar, Young S Hahn
: The liver maintains an immunologically tolerant environment as a result of continuous exposure to food and bacterial constituents from the digestive tract. Hepatotropic pathogens can take advantage of this niche and establish lifelong chronic infections causing hepatic fibrosis and hepatocellular carcinoma. Macrophages (Mϕ) play a critical role in regulation of immune responses to hepatic infection and regeneration of tissue. However, the factors crucial for Mϕ in limiting hepatic inflammation or resolving liver damage have not been fully understood...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
M Topuridze, D Baliashvili, T Komakhidze, M Shishniashvili, N Grdzelidze, M Butsashvili
Rotavirus (RV) is the most common cause of severe gastroenteritis in infants and young children worldwide. RV causes approximately half a million deaths each year among children aged <5 years. According to WHO estimates for 2008, there were approximately 10 to 50 deaths annually in young children due to rotavirus diarrhea in Georgia. The purpose of this study was to assess the knowledge, attitudes, and practices related to rotavirus diarrhea and the rotavirus vaccine among health care workers (HCWs). The National Center for Disease Control and Public Health (NCDC) conducted a cross-sectional survey of HCWs involved in the expanded program of immunization (EPI)...
September 2016: Georgian Medical News
Margaret L Ong, Isabell B Purdy, Orly L Levit, Daniel T Robinson, Tristan Grogan, Martiniano Flores, Kara L Calkins
BACKGROUND: In some studies, the dose of intravenous soybean oil (SO) has been associated with a decreased incidence of intestinal failure-associated liver disease. The effect of lipid sparing on neurodevelopment (ND) and growth remains unknown. This study investigated the impact of SO dose on ND and growth over the first 2 years of age in preterm neonates. MATERIALS AND METHODS: This is a single-site prospective follow-up study. Neonates with a gestational age ≤29 weeks were randomized to low-dose (LOW) or standard-dose (CON) SO...
October 21, 2016: JPEN. Journal of Parenteral and Enteral Nutrition
Wei Liu, Jinping Tian, Lujun Chen, Yang Guo
An inventory of lead emissions was established for the lead-acid battery (LAB) manufacturing industry in China from 2000 to 2014. The lead emissions from the LAB manufacturing industry increased from 133 t in 2000 to a peak at 281 t in 2010 with the rapid development of LAB industry. Since 2011, a mandatory national clean action on LAB industry and a series of retrofitting measures have been implemented in China. As a result, more than 80% of small and low-efficient LAB manufacturers were closed, and technical-environmental performance of the industry has been improved significantly...
October 18, 2016: Environmental Pollution
T Lavender, S Wakasiaka, L McGowan, M Moraa, J Omari, W Khisa
AIM: this study aimed to gain understanding of the views of community members in relation to obstetric fistula. DESIGN AND METHOD: a qualitative, grounded theory approach was adopted. Data were collected using in-depth interviews with 45 community members. The constant comparison method enabled generation of codes and subsequent conceptualisations, from the data. SETTING: participants were from communities served by two hospitals in Kenya; Kisii and Kenyatta...
October 4, 2016: Midwifery
Zhaoxu Li, Junzhe Zhang, Jicun Tang, Ruiying Wang
γδ T cells has been shown to exhibit profound antitumor effects in a broad range of tumor entities, including OS. However, resistance to γδ T cells is a serious problem in the management of OS. This study investigates the impact of celastrol on the expression of death receptors 4/5 (DR4/5) on OS cell lines (HOS, U2OS) and cancer cell lysis by γδ T cells. The results showed that celastrol increased transcription of DR4/5 in HOS and U2OS, leading to increased cell surface, and total DR4/5 protein expression...
October 19, 2016: Oncotarget
H Abdalla, A Abramowski, F Aharonian, F Ait Benkhali, A G Akhperjanian, T Andersson, E O Angüner, M Arrieta, P Aubert, M Backes, A Balzer, M Barnard, Y Becherini, J Becker Tjus, D Berge, S Bernhard, K Bernlöhr, E Birsin, R Blackwell, M Böttcher, C Boisson, J Bolmont, P Bordas, J Bregeon, F Brun, P Brun, M Bryan, T Bulik, M Capasso, J Carr, S Casanova, N Chakraborty, R Chalme-Calvet, R C G Chaves, A Chen, J Chevalier, M Chrétien, S Colafrancesco, G Cologna, B Condon, J Conrad, C Couturier, Y Cui, I D Davids, B Degrange, C Deil, J Devin, P deWilt, A Djannati-Ataï, W Domainko, A Donath, L O'C Drury, G Dubus, K Dutson, J Dyks, M Dyrda, T Edwards, K Egberts, P Eger, J-P Ernenwein, S Eschbach, C Farnier, S Fegan, M V Fernandes, A Fiasson, G Fontaine, A Förster, S Funk, M Füßling, S Gabici, M Gajdus, Y A Gallant, T Garrigoux, G Giavitto, B Giebels, J F Glicenstein, D Gottschall, A Goyal, M-H Grondin, M Grudzińska, D Hadasch, J Hahn, J Hawkes, G Heinzelmann, G Henri, G Hermann, O Hervet, A Hillert, J A Hinton, W Hofmann, C Hoischen, M Holler, D Horns, A Ivascenko, A Jacholkowska, M Jamrozy, M Janiak, D Jankowsky, F Jankowsky, M Jingo, T Jogler, L Jouvin, I Jung-Richardt, M A Kastendieck, K Katarzyński, U Katz, D Kerszberg, B Khélifi, M Kieffer, J King, S Klepser, D Klochkov, W Kluźniak, D Kolitzus, Nu Komin, K Kosack, S Krakau, M Kraus, F Krayzel, P P Krüger, H Laffon, G Lamanna, J Lau, J-P Lees, J Lefaucheur, V Lefranc, A Lemière, M Lemoine-Goumard, J-P Lenain, E Leser, R Liu, T Lohse, M Lorentz, I Lypova, V Marandon, A Marcowith, C Mariaud, R Marx, G Maurin, N Maxted, M Mayer, P J Meintjes, M Meyer, A M W Mitchell, R Moderski, M Mohamed, K Morå, E Moulin, T Murach, M de Naurois, F Niederwanger, J Niemiec, L Oakes, P O'Brien, H Odaka, S Ohm, M Ostrowski, S Öttl, I Oya, M Padovani, M Panter, R D Parsons, M Paz Arribas, N W Pekeur, G Pelletier, C Perennes, P-O Petrucci, B Peyaud, S Pita, H Poon, D Prokhorov, H Prokoph, G Pühlhofer, M Punch, A Quirrenbach, S Raab, A Reimer, O Reimer, M Renaud, R de Los Reyes, F Rieger, C Romoli, S Rosier-Lees, G Rowell, B Rudak, C B Rulten, V Sahakian, D Salek, D A Sanchez, A Santangelo, M Sasaki, R Schlickeiser, F Schüssler, A Schulz, U Schwanke, S Schwemmer, M Settimo, A S Seyffert, N Shafi, I Shilon, R Simoni, H Sol, F Spanier, G Spengler, F Spies, Ł Stawarz, R Steenkamp, C Stegmann, F Stinzing, K Stycz, I Sushch, J-P Tavernet, T Tavernier, A M Taylor, R Terrier, L Tibaldo, M Tluczykont, C Trichard, R Tuffs, J van der Walt, C van Eldik, B van Soelen, G Vasileiadis, J Veh, C Venter, A Viana, P Vincent, J Vink, F Voisin, H J Völk, T Vuillaume, Z Wadiasingh, S J Wagner, P Wagner, R M Wagner, R White, A Wierzcholska, P Willmann, A Wörnlein, D Wouters, R Yang, V Zabalza, D Zaborov, M Zacharias, A A Zdziarski, A Zech, F Zefi, A Ziegler, N Żywucka
: A search for dark matter linelike signals iss performed in the vicinity of the Galactic Center by the H.E.S.S. experiment on observational data taken in 2014. An unbinned likelihood analysis iss developed to improve the sensitivity to linelike signals. The upgraded analysis along with newer data extend the energy coverage of the previous measurement down to 100 GeV. The 18 h of data collected with the H.E.S.S. array allow one to rule out at 95% C.L. the presence of a 130 GeV line (at l=-1...
October 7, 2016: Physical Review Letters
Javier Ochoa-Repáraz, Sara L Colpitts, Christopher Kircher, Eli J Kasper, Kiel M Telesford, Sakhina Begum-Haque, Anudeep Pant, Lloyd H Kasper
OBJECTIVE: To determine whether as an orally delivered treatment, teriflunomide, an inhibitor of the mitochondrial enzyme dihydroorotate dehydrogenase approved to treat relapsing forms of multiple sclerosis, could affect gut-associated lymphoid tissue (GALT) immune responses functionally. METHODS: C57BL/6 mice were treated orally with teriflunomide and flow cytometric analysis of immune GALT cells performed ex vivo, and adoptive transfer experiments were used to test the protective effects of GALT regulatory T (Treg) cells...
December 2016: Neurology® Neuroimmunology & Neuroinflammation
Jevon R Puckett, John W Pickering, Suetonia C Palmer, John L McCall, Michal T Kluger, Janak De Zoysa, Zoltan H Endre, Mattias Soop
OBJECTIVE: To determine whether a low perioperative minimum urine output target is safe and fluid sparing when compared with the standard target. BACKGROUND: A minimum hourly urine output of 0.5 mL/kg is a key target guiding perioperative fluid therapy. Few data support this standard practice, which may contribute to perioperative fluid overloading. METHODS: We randomized patients without significant risk factors for acute kidney injury undergoing elective colectomy to a minimum urine output target of 0...
October 19, 2016: Annals of Surgery
Kostas Kapellas, Lisa M Jamieson
The Northern Territory (N.T.) of Australia has the highest imprisonment rate per capita in the country. The vast majority of prisoners (86%) are Indigenous Australian despite only 30% of the N.T. population identifying as Indigenous. This paper investigates factors influencing this over-representation. The most common reason for imprisonment concerns violence. Alcohol is consumed in high quantities, particularly in Central Australia and is thought to affect incarceration rates. Recent strategies to control alcohol abuse in the N...
2016: Journal of Health Care for the Poor and Underserved
Monika Ryba-Stanisławowska, Paulina Werner, Maria Skrzypkowska, Agnieszka Brandt, Jolanta Myśliwska
IL-33 is an IL-1 cytokine family member, with ability to induce both Th1 and Th2 immune responses. It binds to ST2 receptor, whose deficiency is associated with enhanced inflammatory response. The most recent studies have shown the immunoregulatory effect of IL-33 on Tregs in animal models. As type 1 diabetes is an autoimmune, inflammatory disease, where Treg defects have been described, we aimed to analyze the in vitro influence of recombinant IL-33 on quantitative properties of regulatory CD4(+)CD25(high)FOXP3(+) T cells...
2016: Mediators of Inflammation
Firas El Chaer, Dimpy P Shah, Roy F Chemaly
Cytomegalovirus (CMV) infection is a significant complication in hematopoietic cell transplantation (HCT) recipients. Four antiviral drugs are used for preventing or treating CMV: ganciclovir, valganciclovir, foscarnet, and cidofovir. With prolonged and repeated use of these drugs, CMV can become resistant to standard therapy, resulting in increased morbidity and mortality, especially in HCT recipients. Antiviral drug resistance should be suspected when CMV viremia (DNAemia or antigenemia) fails to improve or continue to increase after 2 weeks of appropriately dosed and delivered antiviral therapy...
October 19, 2016: Blood
Rocío López-Posadas, Cristina Mascaraque, Raquel González, María D Suárez, Antonio Zarzuelo, Olga Martínez-Augustin, Fermín Sánchez de Medina
BACKGROUND: Statins have antiinflammatory effects at the cardiovascular level because of inhibition of prenylation, which also probably underlies their therapeutic effects in preclinical models of inflammatory bowel disease. Another inhibitor of prenylation, namely alendronate, reduces colitis in rodents. In this study, we aim to explore the therapeutic potential of second-generation, nitrogen-containing bisphosphonates in 3 preclinical models of colitis. METHODS: The trinitrobenzenesulfonic acid and dextran sulfate sodium models of rat colitis and the adoptive lymphocyte transfer model of colitis in mice were used...
November 2016: Inflammatory Bowel Diseases
Paulina J Paszkiewicz, Simon P Fräßle, Shivani Srivastava, Daniel Sommermeyer, Michael Hudecek, Ingo Drexler, Michel Sadelain, Lingfeng Liu, Michael C Jensen, Stanley R Riddell, Dirk H Busch
The adoptive transfer of T cells that have been genetically modified to express a CD19-specific chimeric antigen receptor (CAR) is effective for treating human B cell malignancies. However, the persistence of functional CD19 CAR T cells causes sustained depletion of endogenous CD19+ B cells and hypogammaglobulinemia. Thus, there is a need for a mechanism to ablate transferred T cells after tumor eradication is complete to allow recovery of normal B cells. Previously, we developed a truncated version of the epidermal growth factor receptor (EGFRt) that is coexpressed with the CAR on the T cell surface...
October 17, 2016: Journal of Clinical Investigation
S L Chen, R C Liu, F M Chen, X X Zhang, J Zhao, T M Chen
Outbreaks of acute haemorrhagic conjunctivitis (AHC) - a rapidly progressing and highly contagious infection - often occur in schools during summer and autumn. We used dynamic modelling to evaluate the efficacy of interventions to control AHC outbreaks in schools. A susceptible-infected-recovered (SIR) model was built to simulate AHC outbreaks in Chinese schools, with isolation or school closure added into the model. We used outbreak data from the period 2004-2015 in our models to estimate the effective reproduction number and assess the efficacy of interventions...
October 19, 2016: Epidemiology and Infection
Zhangjing Yang, Piaopiao Feng, Tian Wen, Minghua Wan, Xunning Hong
Differentiation of glioblastoma multiformes (GBMs) and lymphomas using multi-sequence magnetic resonance imaging (MRI) is an important task that is valuable for treatment planning. However, this task is a challenge because GBMs and lymphomas may have a similar appearance in MRI images. This similarity may lead to misclassification and could affect the treatment results. In this paper, we propose a semi-automatic method based on multi-sequence MRI to differentiate these two types of brain tumors. Our method consists of three steps: 1) the key slice is selected from 3D MRIs and region of interests (ROIs) are drawn around the tumor region; 2) different features are extracted based on prior clinical knowledge and validated using a t-test; and 3) features that are helpful for classification are used to build an original feature vector and a support vector machine is applied to perform classification...
October 18, 2016: CNS & Neurological Disorders Drug Targets
Jing Ni, Oliver Hölsken, Matthias Miller, Quirin Hammer, Merlin Luetke-Eversloh, Chiara Romagnani, Adelheid Cerwenka
Natural killer (NK) cell infusions can induce remissions in subsets of patients with different types of cancer. The optimal strategies for NK cell activation prior to infusion are still under debate. There is recent evidence that NK cells can acquire long-term functional competence by preactivation with the cytokines IL-12/15/18. The mechanisms supporting the maintenance of long-term NK cell antitumor activity are incompletely under-stood. Here, we show that NK cells preactivated in vitro with IL-12/15/18, but not with IL-15 alone, maintained high antitumor activity even 1 mo after transfer into lymphopenic RAG-2(-/-)γc(-/-) mice...
2016: Oncoimmunology
Vanaja Konduri, Dali Li, Matthew M Halpert, Dan Liang, Zhengdong Liang, Yunyu Chen, William E Fisher, Silke Paust, Jonathan M Levitt, Qizhi Cathy Yao, William K Decker
Pancreatic ductal adenocarcinoma (PDAC) is the third leading cause of cancer-related death in the United States, exhibiting a five-year overall survival (OS) of only 7% despite aggressive standard of care. Recent advances in immunotherapy suggest potential application of immune-based treatment approaches to PDAC. To explore this concept further, we treated orthotopically established K-ras(G12D)/p53(-/-) PDAC tumors with gemcitabine and a cell-based vaccine previously shown to generate durable cell-mediated (TH1) immunity...
2016: Oncoimmunology
Sreya Bagchi, Sha Li, Chyung-Ru Wang
Adoptive immunotherapy for cancer treatment is an emerging field of study. Till now, several tumor-derived, peptide-specific T cell responses have been harnessed for treating cancers. However, the contribution of lipid-specific T cells in tumor immunity has been understudied. CD1 molecules, which present self- and foreign lipid antigens to T cells, are divided into group 1 (CD1a, CD1b, and CD1c) and group 2 (CD1d). Although the role of CD1d-restricted natural killer T cells (NKT) in several tumor models has been well established, the contribution of group 1 CD1-restricted T cells in tumor immunity remains obscure due to the lack of group 1 CD1 expression in mice...
2016: Oncoimmunology
Linan Wang, Ning Ma, Sachiko Okamoto, Yasunori Amaishi, Eiichi Sato, Naohiro Seo, Junichi Mineno, Kazutoh Takesako, Takuma Kato, Hiroshi Shiku
Carcinoembryonic antigen (CEA) is a cell surface antigen highly expressed in various cancer cell types and in healthy tissues. It has the potential to be a target for chimeric antigen receptor (CAR)-modified T-cell therapy; however, the safety of this approach in terms of on-target/off-tumor effects needs to be determined. To address this issue in a clinically relevant model, we used a mouse model in which the T cells expressing CEA-specific CAR were transferred into tumor-bearing CEA-transgenic (Tg) mice that physiologically expressed CEA as a self-antigen...
2016: Oncoimmunology
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