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https://www.readbyqxmd.com/read/28646650/requirement-for-eukaryotic-translation-initiation-factors-in-cap-independent-translation-differs-between-bipartite-genomic-rnas-of-red-clover-necrotic-mosaic-virus
#1
Yuri Tajima, Hiro-Oki Iwakawa, Kiwamu Hyodo, Masanori Kaido, Kazuyuki Mise, Tetsuro Okuno
The bipartite genomic RNAs of red clover necrotic mosaic virus (RCNMV) lack a 5' cap and a 3' poly(A) tail. RNA1 encodes viral replication proteins, and RNA2 encodes a movement protein (MP). These proteins are translated in a cap-independent manner. We previously identified two cis-acting RNA elements that cooperatively recruit eukaryotic translation initiation factor (eIF) complex eIF4F or eIFiso4F to RNA1. Such cis-acting RNA elements and host factors have not been identified in RNA2. Here we found that translation of RNA1 was significantly compromised in Arabidopsis thaliana carrying eif4f mutation...
June 21, 2017: Virology
https://www.readbyqxmd.com/read/28645734/the-influence-of-temperature-treatment-before-cryopreservation-on-the-viability-and-potency-of-cryopreserved-and-thawed-cd34-and-cd45-cord-blood-cells
#2
Svenja Schwandt, Stefanie Liedtke, Gesine Kogler
BACKGROUND: Hematopoietic stem cell (HSC) viability and potency is crucial for qualified cord blood (CB) transplants. This study analyzes time and temperature condition before cryopreservation for the viability of CD34(+)/CD45(+) cells after cryopreservation. METHODS: Cell viabilities were determined by antibody co-staining with 7-aminoactinomycin D detecting necrotic cells, and subsequent flow cytometric analysis. Additionally, Annexin V staining for determination of apoptotic cells and colony-forming unit (CFU) assays for testing functional potency of HSCs were performed...
June 20, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28644692/hyperbaric-oxygen-may-only-be-optional-in-head-and-neck-necrotizing-fasciitis-a-retrospective-analysis-of-43-cases-and-review-of-the-literature
#3
Jens Faunø Thrane, Arunas Pikelis, Therese Ovesen
BACKGROUND: Necrotizing fasciitis in the head and neck (NF-HN) is a rare and potentially life-threatening condition. The use of hyperbaric oxygen therapy (HBOT) in the acute regimen is disputed and there is a lack of evidence of therapeutic effect. This study aims to describe a retrospective cohort of patients with NF-HN and investigate the use of HBOT and consequences thereof. METHODS: All patients treated for NF-HN at Aarhus University Hospital (AUH) between 2002 and 2014 were included in this retrospective cohort...
June 23, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28644681/treatment-results-of-corneal-collagen-cross-linking-combined-with-riboflavin-and-440-nm-blue-light-for-bacterial-corneal-ulcer-in-rabbits
#4
Shufang Wei, Cuiying Zhang, Shaoru Zhang, Yanyun Xu, Guoying Mu
PURPOSE: To study the treatment effect of corneal collagen cross-linking (CXL) combined with 440 nm blue light and riboflavin on bacterial corneal ulcer using animal experiments. METHODS: A total of 21 New Zealand white rabbits that developed Staphylococcus aureus corneal ulcer were randomly divided into three groups. Seven rabbits were used as blank control groups; seven rabbits were treated with CXL combined with riboflavin and 440 nm blue light; and seven rabbits were treated with CXL combined with riboflavin and 370 nm ultraviolet A light...
June 23, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28644608/targeting-cpg-adjuvant-to-lymph-node-via-dextran-conjugate-enhances-anti-tumor-immunotherapy
#5
Weidong Zhang, Myunggi An, Jingchao Xi, Haipeng Liu
Nucleic acids based adjuvants recognized by Toll-like receptors (TLR) are potent immune system stimulants that can augment the anti-tumor immune responses in an antigen-specific manner. However, their clinical uses as vaccine adjuvants are limited primarily due to lack of accumulation in the lymph nodes, the anatomic sites where the immune responses are initiated. Here, we showed that chemical conjugation of type B CpG DNA, a TLR9 agonist to dextran polymer dramatically enhanced CpG's lymph node accumulation in mice...
June 23, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28644358/early-empiric-antibiotic-use-is-associated-with-delayed-feeding-tolerance-in-preterm-infants-a-retrospective-analysis
#6
Francisco E Martinez, Walusa A G Ferri, Clea R Leone, Maria Fernanda Branco de Almeida, Ruth Guinsburg, Jucille do Amaral Meneses, Marynéa Silva do Vale, Sergio Tadeu Martins Marba, Werther Brunow de Carvalho, Ligia Maria Suppo de Souza Rugolo, José Maria de Andrade Lopes, Manoel A Ribeiro, Renato S Procianoy, José Luiz Muniz Bandeira Duarte, Maria Cândida Ferrarez Bouzada, Daniela Marques de Lima Mota Ferreira, Navantino Alves Filho, Edna Maria de Albuquerque Diniz, Dulce Maria Toledo Zanardi, Daniela Testoni, Cristina Nunes Dos Santos, Maria Rafaela Conde Gomzález, Paulyne Stadler Venzon, Jaques Belik
The causative factors of neonatal feeding intolerance are poorly understood, but potentially related to clinical practices such as empiric antibiotic usage. The objective of this study was to evaluate whether early empiric antibiotic exposure negatively affects preterm infants' enteral feeding tolerance. Data from infants without risk factors for sepsis, 500 to 1499 g birth weight and 24 to 34 weeks gestational age were analyzed. The primary outcomes were the empiric antibiotic exposure effects on the infants' total parenteral nutrition usage duration and prevalence of necrotizing enterocolitis (NEC)...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644110/detailed-magnetic-resonance-imaging-features-of-a-case-series-of-primary-gliosarcoma
#7
Luísa Sampaio, Paulo Linhares, José Fonseca
Objective We aimed to characterise the magnetic resonance imaging (MRI) features of a case series of primary gliosarcoma, with the inclusion of diffusion-weighted imaging and perfusion imaging with dynamic susceptibility contrast MRI. Materials and methods We conducted a retrospective study of cases of primary gliosarcoma from the Pathology Department database from January 2006 to December 2014. Clinical and demographic data were obtained. Two neuroradiologists, blinded to diagnosis, assessed tumour location, signal intensity in T1 and T2-weighted images, pattern of enhancement, diffusion-weighted imaging and dynamic susceptibility contrast MRI studies on preoperative MRI...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28643465/severe-hemolysis-after-plasma-transfusion-in-a-neonate-with-necrotizing-enterocolitis-clostridium-perfringens-infection-and-red-blood-cell-t-polyagglutination
#8
Julia Moh-Klaren, Gwellaouen Bodivit, Myriam Jugie, Philippe Chadebech, Laurent Chevret, Mostafa Mokhtari, Xavier Chamillard, Philippe Gallon, Pierre Tissières, Philippe Bierling, Rachid Djoudi, France Pirenne, Nicolas Burin-des-Roziers
BACKGROUND: Red blood cell (RBC) Thomsen-Friedenreich antigen exposure (T activation) in infants with necrotizing enterocolitis (NEC) has occasionally been associated with posttransfusional intravascular hemolysis thought to be due to anti-T antibodies in the donor plasma. STUDY DESIGN AND METHODS: We describe an infant with NEC and Clostridium perfringens infection complicated by severe hemolysis after plasma transfusion. After this case, infants with confirmed NEC were prospectively evaluated for T activation...
June 22, 2017: Transfusion
https://www.readbyqxmd.com/read/28643448/post-conditioning-with-metformin-attenuates-apoptotic-events-in-cardiomyoblasts-associated-with-ischemic-reperfusion-injury
#9
Rajesh Ramachandran, Mini S
Ischemic post-conditioning is considered as a potent method to combat ischemic reperfusion injury than pre-conditioning since the latter is non predictive and risky. Rapid initiation of reperfusion with potent anti oxidant compound can be one of the most effective treatments to reduce the infract size and behavioural deficits as a result of ischemic insult. Apoptosis/Necrotic events undisputedly hold significant role in determining the fate of cardiomyocytes post ischemic injury but current studies are speculative regrading the role of post-conditioning in maintaining cellular homeostasis...
June 23, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28643095/-local-antibiotic-therapy
#10
REVIEW
Klaus-Dieter Kühn, Nora Renz, Andrej Trampuz
The treatment of superficial wound infections with local antibiotics is considered to be problematic as it is accompanied by an increased risk of resistance development and ineffectiveness in deeper regions. On the contrary, the local application of antibiotics is useful in arthroplasty and necessary if implants are utilized. The reason for this is the prevention of a rapid biofilm formation on foreign implants and a resulting infection may remain undiscovered until it becomes chronic. Apart from exogenous material, necrotic tissue (e...
June 22, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28642745/structure-of-o-antigen-and-hybrid-biosynthetic-locus-in-burkholderia-cenocepacia-clonal-variants-recovered-from-a-cystic-fibrosis-patient
#11
A A Hassan, Rita F Maldonado, Sandra C Dos Santos, Flaviana Di Lorenzo, Alba Silipo, Carla P Coutinho, Vaughn S Cooper, Antonio Molinaro, Miguel A Valvano, Isabel Sá-Correia
Burkholderia cenocepacia is an opportunistic pathogen associated with chronic lung infections and increased risk of death in patients with cystic fibrosis (CF). In this work, we investigated the lipopolysaccharide (LPS) of clinical variants of B. cenocepacia that were collected from a CF patient over a period of 3.5 years, from the onset of infection until death by necrotizing pneumonia (cepacia syndrome). We report the chemical structure of the LPS molecule of various sequential isolates and the identification of a novel hybrid O-antigen (OAg) biosynthetic cluster...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28642707/tetrandrine-an-activator-of-autophagy-induces-autophagic-cell-death-via-pkc-%C3%AE-inhibition-and-mtor-dependent-mechanisms
#12
Vincent Kam Wai Wong, Wu Zeng, Juan Chen, Xiao Jun Yao, Elaine Lai Han Leung, Qian Qian Wang, Pauline Chiu, Ben C B Ko, Betty Yuen Kwan Law
Emerging evidence suggests the therapeutic role of autophagic modulators in cancer therapy. This study aims to identify novel traditional Chinese medicinal herbs as potential anti-tumor agents through autophagic induction, which finally lead to autophagy mediated-cell death in apoptosis-resistant cancer cells. Using bioactivity-guided purification, we identified tetrandrine (Tet) from herbal plant, Radix stephaniae tetrandrae, as an inducer of autophagy. Across a number of cancer cell lines, we found that breast cancer cells treated with tetrandrine show an increase autophagic flux and formation of autophagosomes...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28641951/necrotizing-fasciitis-attended-in-the-emergency-department-in-a-tertiary-hospital-evaluation-of-the-lrinec-scale
#13
J R Ballesteros-Betancourt, R García-Tarriño, J Ríos-Guillermo, J M Rodriguez-Roiz, P Camacho, A Zumbado-Dijeres, A Domingo-Trepat, M Llusá-Pérez, A Combalia-Aleu, S García-Ramiro, A Soriano-Viladomiu
AIM: To describe mortality and complications of patients seen in the emergency room, diagnosed with necrotizing soft tissue infection (NSTI) and the correlation of such complications with the Laboratory Risk Indicator for Necrotizing fasciitis scale (LRINEC). METHODS: Retrospective observational study including patients with a diagnosis of NSTI in the emergency room of a tertiary hospital over 7 years. The results are shown as median, interquartile range and absolute range for quantitative variables...
June 19, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28639964/drug-induced-necrotizing-pancreatitis-with-a-focus-on-canagliflozin
#14
Kinner M Patel, Erik Pikas, Tanya George
No abstract text is available yet for this article.
February 14, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28639891/antitumor-activity-of-a-rhodococcus-sp-lut0910-isolated-from-polluted-soil
#15
Xin-Guo Zhang, Zi-Yu Liu, Jin-Wen Liu, Yan-Long Zeng, Guang-Jun Guo, Qiao-Yun Sun
The actinomycetes strain, lut0910, was isolated from polluted soil and identified as the Rhodococcus species with 99% similarity based on the sequence analysis of 16S recombinant DNA. The extract of this strain demonstrated in vivo and in vitro antitumor activity. The treatment of two human cancer cell lines, hepatocellular carcinoma HepG2 and cervical carcinoma Hela cells, with the lut0910 extract caused the delay in cell propagation in a dose-dependent manner with an IC50 of 73.39 and 33.09 µg/mL, respectively...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28639154/inflammatory-myofibroblastic-tumor-of-the-gallbladder-a-case-report-and-literature-review
#16
Takahiro Yamada, Takeshi Hisa, Satoshi Shiozawa, Akiharu Kudo, Ryutaro Furukawa
A 50-year-old man had undergone chemotherapy and radiotherapy for malignant lymphoma 1 year earlier. Follow-up computed tomography revealed a gallbladder polyp. Transabdominal ultrasound demonstrated a 20-mm hypoechoic sessile polyp with basal waist in the gallbladder fundus; the surface was covered with a hyperechoic layer of non-uniform thickness. On contrast-enhanced computed tomography, the polyp showed an early uniform and sustained staining pattern. Magnetic resonance imaging revealed that the polyp had low and slightly high signal intensities on T1- and T2-weighted imaging, respectively...
June 21, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28638850/probiotic-lactobacillus-species-strengthen-intestinal-barrier-function-and-tight-junction-integrity-in-experimental-necrotizing-enterocolitis
#17
Brian P Blackwood, Carrie Y Yuan, Douglas R Wood, Joseph D Nicolas, Justyna S Grothaus, Catherine J Hunter
Necrotizing enterocolitis (NEC) is a serious intestinal disease that occurs in newborn infants. It is associated with major morbidity and affects 5% of all infants admitted to neonatal intensive care units. Probiotics have variable efficacy in preventing necrotizing enterocolitis. Tight junctions (TJ) are protein complexes that maintain epithelial barrier integrity. We hypothesized that the probiotics Lactobacillus rhamnosus and Lactobacillus plantarum strengthen intestinal barrier function, promote TJ integrity, and protect against experimental NEC...
April 2017: J Probiotics Health
https://www.readbyqxmd.com/read/28638624/kikuchi-fujimoto-disease-a-case-report-of-a-multi-drug-resistant-grueling-disease
#18
Alexey Youssef, Rahaf Ali, Kinan Ali, Zuheir AlShehabi
Histiocytic necrotizing lymphadenitis or Kikuchi-Fujimoto disease (KFD) is characterized by its rare occurrence. Mostly prevalent among Asian women, KFD manifests with lymphadenopathy-affecting mostly cervical and rarely generalized or retroperitoneal regions-in addition to fever. It is a self-limited disease that resolves within 1-4 months, responding remarkably to glucocorticosteroids or hydroxychloroquine. However, some rare cases prove to be unresponsive to the previously mentioned therapies. Here is a description of a case of KFD affecting a 67-year-old Syrian woman with a history of hypothyroidism due to iodine-deficiency...
June 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28638602/b-cell-depleting-therapy-with-rituximab-or-ofatumumab-in-immunoglobulin-a-nephropathy-or-vasculitis-with-nephritis
#19
Sigrid Lundberg, Emelie Westergren, Jessica Smolander, Annette Bruchfeld
BACKGROUND: Approximately 30% of adult patients with immunoglobulin A (IgA) nephropathy (IgAN) or IgA vasculitis with nephritis (IgAVN) develop end-stage renal disease during long-term follow-up. In particular, patients with nephritic-nephrotic syndrome have an increased risk of rapid progression. Conventional immunosuppressive therapy with corticosteroids (CSs) may be insufficient for disease control and is associated with a number of side effects. Rituximab (RTX) has been shown to be well tolerated and effective in a range of glomerular diseases, but there is little information on its therapeutic potential in IgAN...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28637224/impact-of-a-macleaya-cordata-derived-alkaloid-extract-on-necrotic-enteritis-in-broilers
#20
G D Xue, S B Wu, M Choct, A Pastor, T Steiner, R A Swick
Necrotic enteritis (NE) causes significant economic losses in the broiler chicken industry, especially in birds raised without in-feed antibiotics. A standardized blend of plant-derived isoquinoline alkaloids (IQA) derived from Macleaya cordata has shown to have anti-inflammatory potency and promoted animal productivity. This study investigated the effects of IQA supplementation on broiler chickens under NE challenge. A 2 × 2 factorial arrangement of treatments was employed with factors: NE challenge (no or yes), and additives (no additive or IQA at 0...
June 20, 2017: Poultry Science
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