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https://www.readbyqxmd.com/read/29332040/synthetic-fragment-of-receptor-for-advanced-glycation-end-products-prevents-memory-loss-and-protects-brain-neurons-in-olfactory-bulbectomized-mice
#1
Olga M Volpina, Alexandr N Samokhin, Dmitriy O Koroev, Inna V Nesterova, Tatyana D Volkova, Natalia I Medvinskaya, Pavel V Nekrasov, Olga G Tatarnikova, Anna V Kamynina, Samson M Balasanyants, Tamara A Voronina, Alexey M Kulikov, Natalia V Bobkova
Activation of receptor for advanced glycation end products (RAGE) plays an essential role in the development of Alzheimer's disease (AD). It is known that the soluble isoform of the receptor binds to ligands and prevents negative effects of the receptor activation. We proposed that peptide fragments from RAGE prevent negative effects of the receptor activation during AD neurodegeneration. We have synthesized peptide fragments from surface-exposed regions of RAGE. Peptides were intranasally administrated into olfactory bulbectomized (OBX) mice, which developed some characteristics similar to AD neurodegeneration...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29331866/development-of-a-novel-equine-influenza-virus-live-attenuated-vaccine
#2
Laura Rodriguez, Stephanie Reedy, Aitor Nogales, Pablo R Murcia, Thomas M Chambers, Luis Martinez-Sobrido
H3N8 equine influenza virus (EIV) is an important and significant respiratory pathogen of horses. EIV is enzootic in Europe and North America, mainly due to the suboptimal efficacy of current vaccines. We describe, for the first time, the generation of a temperature sensitive (ts) H3N8 EIV live-attenuated influenza vaccine (LAIV) using reverse-genetics approaches. Our EIV LAIV was attenuated (att) in vivo and able to induce, upon a single intranasal administration, protection against H3N8 EIV wild-type (WT) challenge in both a mouse model and the natural host, the horse...
January 11, 2018: Virology
https://www.readbyqxmd.com/read/29331643/glucagon-like-peptide-1-signaling-inhibits-allergen-induced-lung-il-33-release-and-reduces-group-2-innate-lymphoid-cell-ilc2-cytokine-production-in-vivo
#3
Shinji Toki, Kasia Goleniewska, Sara Reiss, Jian Zhang, Melissa H Bloodworth, Matthew T Stier, Weisong Zhou, Dawn C Newcomb, Lorraine B Ware, Gregg D Stanwood, Aurelio Galli, Kelli L Boyd, Kevin D Niswender, R Stokes Peebles
BACKGROUND: IL-33 is one of the most consistently associated gene candidates for asthma identified by GWAS. Studies in mice and in human cells have confirmed the importance of IL-33 in inducing type-2 cytokine production from both group 2 innate lymphoid cells (ILC2) and Th2 cells. However, there are no pharmacologic agents known to inhibit IL-33 release from airway cells. OBJECTIVE: To determine the effect of glucagon like peptide receptor-1 GLP-1R signaling on aeroallergen-induced airway IL-33 production and release and on innate type-2 airway inflammation...
January 10, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29329410/1918-h1n1-influenza-virus-replicates-and-induces-pro-inflammatory-cytokine-responses-in-extra-respiratory-tissues-of-ferrets
#4
Emmie de Wit, Jurre Siegers, Jacqueline M Cronin, Sarah Weatherman, Judith van den Brand, Lonneke M Leijten, Peter van Run, Lineke Begeman, Henk-Jan van den Ham, Arno C Andeweg, Trenton Bushmaker, Dana P Scott, Greg Saturday, Vincent J Munster, Heinz Feldmann, Debby van Riel
Background: The 1918 Spanish H1N1 influenza pandemic was the most severe recorded influenza pandemic with an estimated 20-50 million deaths worldwide. Even though it is known that influenza viruses can cause extra-respiratory tract complications-which are often severe or even fatal- the potential contribution of extra-respiratory tissues to the pathogenesis of 1918 H1N1 virus infection has not been studied comprehensively. Methods: Here, we performed a time course study in ferrets inoculated intranasally with 1918 H1N1 virus, with special emphasis on the involvement of extra-respiratory tissues...
January 10, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29329211/causation-of-acute-flaccid-paralysis-by-myelitis-and-myositis-in-enterovirus-d68-infected-mice-deficient-in-interferon-%C3%AE-%C3%AE-%C3%AE-receptor-deficient-mice
#5
John D Morrey, Hong Wang, Brett L Hurst, Katherine Zukor, Venkatraman Siddharthan, Arnaud J Van Wettere, Donal G Sinex, E Bart Tarbet
Enterovirus D68 (EV-D68) caused a large outbreak in the summer and fall of 2014 in the United States. It causes serious respiratory disease, but causation of associated paralysis is controversial, because the virus is not routinely identified in cerebrospinal fluid. To establish clinical correlates with human disease, we evaluated EV-D68 infection in non-lethal paralysis mouse models. Ten-day-old mice lacking interferon responses were injected intraperitoneally with the virus. Paralysis developed in hindlimbs...
January 12, 2018: Viruses
https://www.readbyqxmd.com/read/29328393/paediatric-virology-and-its-interaction-between-basic-science-and-clinical-practice-review
#6
Ioannis N Mammas, Anne Greenough, Maria Theodoridou, Anna Kramvis, Maria Rusan, Angeliki Melidou, Paraskevi Korovessi, Georgia Papaioannou, Alexia Papatheodoropoulou, Chryssie Koutsaftiki, Maria Liston, George Sourvinos, Demetrios A Spandidos
The 3rd Workshop on Paediatric Virology, which took place on October 7th, 2017 in Athens, Greece, highlighted the role of breast feeding in the prevention of viral infections during the first years of life. Moreover, it focused on the long-term outcomes of respiratory syncytial virus and rhinovirus infections in prematurely born infants and emphasised the necessity for the development of relevant preventative strategies. Other topics that were covered included the vaccination policy in relation to the migration crisis, mother‑to‑child transmission of hepatitis B and C viruses, vaccination against human papilloma viruses in boys and advances on intranasal live‑attenuated vaccination against influenza...
January 4, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29327206/brain-photobiomodulation-therapy-a-narrative-review
#7
REVIEW
Farzad Salehpour, Javad Mahmoudi, Farzin Kamari, Saeed Sadigh-Eteghad, Seyed Hossein Rasta, Michael R Hamblin
Brain photobiomodulation (PBM) therapy using red to near-infrared (NIR) light is an innovative treatment for a wide range of neurological and psychological conditions. Red/NIR light is able to stimulate complex IV of the mitochondrial respiratory chain (cytochrome c oxidase) and increase ATP synthesis. Moreover, light absorption by ion channels results in release of Ca2+ and leads to activation of transcription factors and gene expression. Brain PBM therapy enhances the metabolic capacity of neurons and stimulates anti-inflammatory, anti-apoptotic, and antioxidant responses, as well as neurogenesis and synaptogenesis...
January 11, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29324856/correction-minimally-invasive-monitoring-of-cd4-t-cells-at-multiple-mucosal-tissues-after-intranasal-vaccination-in-rhesus-macaques
#8
Stephanie Dorta-Estremera, Pramod N Nehete, Guojun Yang, Hong He, Bharti P Nehete, Kathryn A Shelton, Michael A Barry, K Jagannadha Sastry
[This corrects the article DOI: 10.1371/journal.pone.0188807.].
2018: PloS One
https://www.readbyqxmd.com/read/29324805/intranasal-vaccination-with-m2e5x-virus-like-particles-induces-humoral-and-cellular-immune-responses-conferring-cross-protection-against-heterosubtypic-influenza-viruses
#9
Young-Tae Lee, Eun-Ju Ko, Youri Lee, Ki-Hye Kim, Min-Chul Kim, Yu-Na Lee, Sang-Moo Kang
Current influenza vaccines do not provide broad cross-protection. Here, we report that intranasal vaccination with virus-like particles containing the highly conserved multiple ectodomains of matrix protein 2 (M2e5x VLP) of influenza virus induces broad cross-protection by M2-specific humoral and cellular immune responses. M2e5x VLP intranasal vaccination prevented severe weight loss, attenuated inflammatory cytokines and cellular infiltrates, and lowered viral loads, and induced germinal center phenotypic B and plasma cells...
2018: PloS One
https://www.readbyqxmd.com/read/29324063/granulomatous-lung-inflammation-is-nanoparticle-type-dependent
#10
Yves Pacheco, Marine Ponchon, Serge Lebecque, Alain Calender, Jean François Bernaudin, Dominique Valeyre, Marc Iglarz, Daniel S Strasser, Rolf Studer, Diego Freti, Toufiq Renno, Abederrazzaq Bentaher
BACKGROUND: Nanoparticles are increasingly suspected as a strong etiologic factor of granuloma formation. AIM OF THE STUDY: The aim of our study was to compare lung inflammatory response and histology changes following exposure of mice to two widely used nanoparticles: carbon nanotubes (MWCNT) and cadmium-based nanoparticles (QDOT705) in an attempt to better our understanding of granulomatous inflammation. MATERIALS AND METHODS: Various groups of mice were included: control mice and mice that were intranasally instilled with QDOT or MWCNT...
January 11, 2018: Experimental Lung Research
https://www.readbyqxmd.com/read/29323796/treatment-of-chronic-rhinosinusitis-with-dornase-alfa-in-patients-with-cystic-fibrosis-a-systematic-review
#11
Gopi B Shah, Linde De Keyzer, Joy A Russell, Ashleigh Halderman
BACKGROUND: A major component of sputum in cystic fibrosis (CF) patients is polymerized DNA, a byproduct of degraded neutrophils. Dornase alfa (dornase) selectively cleaves extracellular DNA and reduces the viscosity of sputum. It improves mucociliary clearance and pulmonary function. The benefit of dornase on CF-associated sinusitis is less clear. Therefore, the objective of this study was to systematically review the use of dornase on chronic rhinosinusitis (CRS) in CF patients. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement was followed for this systematic review...
January 11, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29323189/il-13-in-lps-induced-inflammation-causes-bcl-2-expression-to-sustain-hyperplastic-mucous-cells
#12
Hitendra S Chand, Jennifer F Harris, Yohannes Tesfaigzi
Exposure to lipopolysaccharides (LPS) causes extensive neutrophilic inflammation in the airways followed by mucous cell hyperplasia (MCH) that is sustained by the anti-apoptotic protein, Bcl-2. To identify inflammatory factor(s) that are responsible for Bcl-2 expression, we established an organ culture system consisting of airway epithelial tissue from the rat nasal midseptum. The highest Muc5AC and Bcl-2 expression was observed when organ cultures were treated with brochoalveolar lavage (BAL) fluid harvested from rats 10 h post LPS instillation...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322411/in-vivo-infection-model-of-severe-influenza-a-virus
#13
Ashley Mansell, Michelle D Tate
The lung is constantly exposed to both environmental and microbial challenge. As a "contained" organ, it also constitutes an excellent "self-contained" tissue to examine inflammatory responses and cellular infiltration into a diseased organ. Influenza A virus (IAV) causes both mild and severe inflammation that is strain specific following infection of the lung epithelium that spreads to other cells of the lung environment. Here, we describe a method of intranasal inoculation of the lung with IAV that can be used as a preclinical model of infection...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29320887/transducing-airway-basal-cells-with-a-helper-dependent-adenoviral-vector-for-lung-gene-therapy
#14
Huibi Cao, Hong Ouyang, Hartmut Grasemann, Claire Bartlett, Kai Du, Rongqi Duan, Fushan Shi, Marvin Estrada, Kyle Seigel, Allan Coates, Herman Yeger, Christine Bear, Tanja Gonska, Theo Moraes, Jim Hu
A major challenge in developing gene-based therapies for airway diseases such as cystic fibrosis (CF) is sustaining therapeutic levels of transgene expression over time. This is largely due to airway epithelial cell turnover and the host immunogenicity to gene delivery vectors. Modern gene editing tools and delivery vehicles hold great potential for overcoming the challenge. There is currently not much known about how to deliver genes into airway stem cells, of which basal cells are the major type in human airways...
January 10, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29320603/drug-management-for-acute-tonic-clonic-convulsions-including-convulsive-status-epilepticus-in-children
#15
REVIEW
Amy McTague, Timothy Martland, Richard Appleton
BACKGROUND: Tonic-clonic convulsions and convulsive status epilepticus (currently defined as a tonic-clonic convulsion lasting at least 30 minutes) are medical emergencies and require urgent and appropriate anticonvulsant treatment. International consensus is that an anticonvulsant drug should be administered for any tonic-clonic convulsion that has been continuing for at least five minutes. Benzodiazepines (diazepam, lorazepam, midazolam) are traditionally regarded as first-line drugs and phenobarbital, phenytoin and paraldehyde as second-line drugs...
January 10, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29319845/il-37-inhibits-il-4-il-13-induced-ccl11-production-and-lung-eosinophilia-in-murine-allergic-asthma
#16
Jiaoyan Lv, Yingluo Xiong, Wenjing Li, Xinyi Cui, Xunjia Cheng, Qibin Leng, Rui He
BACKGROUND: IL-37 is emerging as an anti-inflammatory cytokine, particularly in innate inflammation. However, the role of IL-37 in Th2-mediated allergic lung inflammation remains uncertain. We sought to determine the role and the underlying mechanisms of IL-37 in the development of house dust mites (HDM)-induced murine asthma model. METHODS: We examined the effect of IL-37 administration during the sensitization or challenge phase on Th2-mediated allergic asthma induced by inhaled HDM...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29317241/influence-of-artemisia-annua-l-on-toll-like-receptor-expression-in-brain-of-mice-infected-with-acanthamoeba-sp
#17
Agnieszka Wojtkowiak-Giera, Monika Derda, Danuta Kosik-Bogacka, Agnieszka Kolasa-Wołosiuk, Piotr Solarczyk, Marcin Cholewiński, Elżbieta Wandurska-Nowak, Paweł P Jagodziński, Edward Hadaś
The treatment of acanthamoebiasis is a still a problem. Our previous studies showed that the application of extracts from Artemisia annua L. significantly prolonged the survival of mice infected by Acanthamoeba. This plant has medicinal properties in the treatment of human parasitic diseases. The aim of this study was to evaluate the effects of A. annua on expression of Toll-like receptors (TLRs) 2 and 4 in brain of mice with Acanthamoeba infection. Mice were infected with Acanthamoeba sp. strain Ac309 (KY203908) by intranasal inoculation without and after application of A...
January 6, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29316558/neural-stem-cells-expressing-bfgf-reduce-brain-damage-and-restore-sensorimotor-function-after-neonatal-hypoxia-ischemia
#18
Qingsong Ye, Yanqing Wu, Jiamin Wu, Shuang Zou, Ali Ahmed Al-Zaazaai, Hongyu Zhang, Hongxue Shi, Ling Xie, Yanlong Liu, Ke Xu, Huacheng He, Fabiao Zhang, Yiming Ji, Yan He, Jian Xiao
BACKGROUND/AIMS: Neonatal hypoxia-ischemia (HI) causes severe brain damage and significantly increases neonatal morbidity and mortality. Increasing evidences have verified that stem cell-based therapy has the potential to rescue the ischemic tissue and restore function via secreting growth factors after HI. Here, we had investigated whether intranasal neural stem cells (NSCs) treatment improves the recovery of neonatal HI, and NSCs overexpressing basic fibroblast growth factor (bFGF) has a better therapeutic effect for recovery than NSCs treatment only...
December 22, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29316047/parainfluenza-virus-5-vectored-vaccines-against-human-and-animal-infectious-diseases
#19
REVIEW
Zhenhai Chen
Parainfluenza virus 5 (PIV5), known as canine parainfluenza virus in the veterinary field, is a negative-sense, nonsegmented, single-stranded RNA virus belonging to the Paramyxoviridae family. Parainfluenza virus 5 is an excellent viral vector and has been used as a live vaccine for kennel cough for many years in dogs without any safety concern. It can grow to high titers in many cell types, and its genome is stable even in the presence of foreign gene insertions. So far, PIV5 has been used to develop vaccines against influenza virus, respiratory syncytial virus, rabies virus, and Mycobacterium tuberculosis, demonstrating its ability to elicit robust and protective immune responses in preclinical animal models...
January 5, 2018: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29314773/55-year-old-patient-with-intranasal-mass
#20
David W Kennedy, Robert Brody
The patient is a 55 year old female who presented with a right sided intranasal mass in 2014. Surgery was recommended, but the patient cancelled the surgery. She returned three years later with a significant progression of the lesion. What is this lesion and how would you manage it? Five months after resection of the lesion, the patient returns with pulsatile clear mucus visible on nasal endoscopy in the region of the prior mass excision. What does this represent and how should we proceed at this point? Is the patient developing a meningo-encephalocele?...
January 2018: International Forum of Allergy & Rhinology
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