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https://www.readbyqxmd.com/read/28107528/nasopharyngeal-microbiome-diversity-changes-over-time-in-children-with-asthma
#1
Marcos Pérez-Losada, Lamia Alamri, Keith A Crandall, Robert J Freishtat
BACKGROUND: The nasopharynx is a reservoir for pathogens associated with respiratory illnesses such as asthma. Next-generation sequencing (NGS) has been used to characterize the nasopharyngeal microbiome of infants and adults during health and disease; less is known, however, about the composition and temporal dynamics (i.e., longitudinal variation) of microbiotas from children and adolescents. Here we use NGS technology to characterize the nasopharyngeal microbiomes of asthmatic children and adolescents (6 to 18 years) and determine their stability over time...
2017: PloS One
https://www.readbyqxmd.com/read/28107484/resveratrol-co-treatment-attenuates-the-effects-of-hiv-protease-inhibitors-on-rat-body-weight-and-enhances-cardiac-mitochondrial-respiration
#2
Burger Symington, Rudo F Mapanga, Gavin R Norton, M Faadiel Essop
Since the early 1990s human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) emerged as a global health pandemic, with sub-Saharan Africa the hardest hit. While the successful roll-out of antiretroviral (ARV) therapy provided significant relief to HIV-positive individuals, such treatment can also elicit damaging side-effects. Here especially HIV protease inhibitors (PIs) are implicated in the onset of cardio-metabolic complications such as type-2 diabetes and coronary heart disease. As there is a paucity of data regarding suitable co-treatments within this context, this preclinical study investigated whether resveratrol (RSV), aspirin (ASP) or vitamin C (VitC) co-treatment is able to blunt side-effects in a rat model of chronic PI exposure (Lopinavir/Ritonavir treatment for 4 months)...
2017: PloS One
https://www.readbyqxmd.com/read/28107457/novel-analysis-of-immune-cells-from-nasal-microbiopsy-demonstrates-reliable-reproducible-data-for-immune-populations-and-superior-cytokine-detection-compared-to-nasal-wash
#3
Simon P Jochems, Katherine Piddock, Jamie Rylance, Hugh Adler, Beatriz F Carniel, Andrea Collins, Jenna F Gritzfeld, Carole Hancock, Helen Hill, Jesus Reiné, Alexandra Seddon, Carla Solórzano, Syba Sunny, Ashleigh Trimble, Angela D Wright, Seher Zaidi, Stephen B Gordon, Daniela M Ferreira
The morbidity and mortality related to respiratory tract diseases is enormous, with hundreds of millions of individuals afflicted and four million people dying each year. Understanding the immunological processes in the mucosa that govern outcome following pathogenic encounter could lead to novel therapies. There is a need to study responses at mucosal surfaces in humans for two reasons: (i) Immunological findings in mice, or other animals, often fail to translate to humans. (ii) Compartmentalization of the immune system dictates a need to study sites where pathogens reside...
2017: PloS One
https://www.readbyqxmd.com/read/28107345/syk-regulates-neutrophilic-airway-hyper-responsiveness-in-a-chronic-mouse-model-of-allergic-airways-inflammation
#4
Sepehr Salehi, Xiaomin Wang, Stephen Juvet, Jeremy A Scott, Chung-Wai Chow
BACKGROUND: Asthma is a chronic inflammatory disease characterized by airways hyper-responsiveness (AHR), reversible airway obstruction, and airway inflammation and remodeling. We previously showed that Syk modulates methacholine-induced airways contractility in naïve mice and in mice with allergic airways inflammation. We hypothesize that Syk plays a role in the pathogenesis of AHR; this was evaluated in a chronic 8-week mouse model of house dust mite (HDM)-induced allergic airways inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28107266/early-fluid-overload-prolongs-mechanical-ventilation-in-children-with-viral-lower-respiratory-tract-disease
#5
Sarah A Ingelse, Hanke M G Wiegers, Job C Calis, Job B van Woensel, Reinout A Bem
OBJECTIVES: Viral-lower respiratory tract disease is common in young children worldwide and is associated with high morbidity. Acute respiratory failure due to viral-lower respiratory tract disease necessitates PICU admission for mechanical ventilation. In critically ill patients in PICU settings, early fluid overload is common and associated with adverse outcomes such as prolonged mechanical ventilation and increased mortality. It is unclear, however, if this also applies to young children with viral-lower respiratory tract disease induced acute respiratory failure...
January 19, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28106904/planned-early-delivery-versus-expectant-management-for-hypertensive-disorders-from-34-weeks-gestation-to-term
#6
REVIEW
Catherine Cluver, Natalia Novikova, Corine M Koopmans, Helen M West
BACKGROUND: Hypertensive disorders in pregnancy are significant contributors to maternal and perinatal morbidity and mortality. These disorders include well-controlled chronic hypertension, gestational hypertension (pregnancy-induced hypertension) and mild pre-eclampsia. The definitive treatment for these disorders is planned early delivery and the alternative is to manage the pregnancy expectantly if severe uncontrolled hypertension is not present, with close maternal and fetal monitoring...
January 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28106744/oligonucleotide-therapy-for-obstructive-and-restrictive-respiratory-diseases
#7
REVIEW
Wupeng Liao, Jinrui Dong, Hong Yong Peh, Lay Hong Tan, Kah Suan Lim, Li Li, Wai-Shiu Fred Wong
Inhaled oligonucleotide is an emerging therapeutic modality for various common respiratory diseases, including obstructive airway diseases like asthma and chronic obstructive pulmonary disease (COPD) and restrictive airway diseases like idiopathic pulmonary fibrosis (IPF). The advantage of direct accessibility for oligonucleotide molecules to the lung target sites, bypassing systemic administration, makes this therapeutic approach promising with minimized potential systemic side effects. Asthma, COPD, and IPF are common chronic respiratory diseases, characterized by persistent airway inflammation and dysregulated tissue repair and remodeling, although each individual disease has its unique etiology...
January 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106557/blunted-respiratory-responses-in%C3%A2-the%C3%A2-streptozotocin-induced-alzheimer-s-disease-rat-model
#8
Dalton L Ebel, Christopher G Torkilsen, Tim D Ostrowski
Alzheimer's disease (AD) is known for the progressive decline of cognition and memory. In addition to these disease-defining symptoms, impairment of respiratory function is frequently observed and often expressed by sleep-disordered breathing or reduced ability to adjust respiration when oxygen demand is elevated. The mechanisms for this are widely unknown. Postmortem analysis from the brainstem of AD patients reveals pathological alterations, including in nuclei responsible for respiratory control. In this study, we analyzed respiratory responses and morphological changes in brainstem nuclei following intracerebroventricular (ICV) injections of streptozotocin (STZ), a rat model commonly used to mimic sporadic AD...
January 20, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28106282/prediction-of-pan-specific-b-cell-epitopes-from-nucleocapsid-protein-of-hantaviruses-causing-hantavirus-cardiopulmonary-syndrome
#9
Sagadevan Kalaiselvan, Sathish Sankar, Mageshbabu Ramamurthy, Asit Ranjan Ghosh, Balaji Nandagopal, Gopalan Sridharan
Hantaviruses are emerging viral pathogens that causes hantavirus cardiopulmonary syndrome in the Americas (HCPS), a severe, sometimes fatal, respiratory disease in humans with a case fatality rate of ≥50%. IgM and IgG based serological detection methods are the most common approaches used for laboratory diagnosis of hantaviruses. Such emerging viral pathogens emphasizes the need for improved rapid diagnostic devices and vaccines incorporating pan-specific epitopes of genotypes. We predicted linear B-cell epitopes for hantaviruses that are specific to genotypes causing HCPS in humans using in silico prediction servers...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28105927/candidate-snp-markers-of-aggressiveness-related-complications-and-comorbidities-of-genetic-diseases-are-predicted-by-a-significant-change-in-the-affinity-of-tata-binding-protein-for-human-gene-promoters
#10
Irina V Chadaeva, Mikhail P Ponomarenko, Dmitry A Rasskazov, Ekaterina B Sharypova, Elena V Kashina, Marina Yu Matveeva, Tatjana V Arshinova, Petr M Ponomarenko, Olga V Arkova, Natalia P Bondar, Ludmila K Savinkova, Nikolay A Kolchanov
BACKGROUND: Aggressiveness in humans is a hereditary behavioral trait that mobilizes all systems of the body-first of all, the nervous and endocrine systems, and then the respiratory, vascular, muscular, and others-e.g., for the defense of oneself, children, family, shelter, territory, and other possessions as well as personal interests. The level of aggressiveness of a person determines many other characteristics of quality of life and lifespan, acting as a stress factor. Aggressive behavior depends on many parameters such as age, gender, diseases and treatment, diet, and environmental conditions...
December 28, 2016: BMC Genomics
https://www.readbyqxmd.com/read/28105760/aerosol-based-airway-epithelial-cell-delivery-improves-airway-regeneration-and-repair
#11
E Kardia, E S Ch'ng, B H Yahaya
Aerosol-based cell therapy has emerged as a novel and promising therapeutic strategy for treating lung diseases. The goal of this study was to determine the safety and efficacy of aerosol-based airway epithelial cell (AEC) delivery in the setting of acute lung injury induced by tracheal brushing in rabbit. 24 hours following injury, exogenous rabbit AECs were labelled with BrdU and aerosolized using the MicroSprayer® Aerosolizer into the injured airway. Histopathological assessments of the injury in the trachea and lungs were quantitatively scored (1 and 5 d after cell delivery)...
January 20, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28105733/vitamin-d-supplementation-for-sickle-cell-disease
#12
REVIEW
Htoo Htoo Kyaw Soe, Adinegara Bl Abas, Nan Nitra Than, Han Ni, Jaspal Singh, Abdul Razzak Bin Mohd Said, Ifeyinwa Osunkwo
BACKGROUND: Sickle cell disease is a genetic chronic haemolytic and pro-inflammatory disorder. The clinical manifestations of sickle cell disease result from the presence of mutations on the beta globin genes that generate an abnormal haemoglobin product (called haemoglobin S) within the red blood cell. Sickle cell disease can lead to many complications such as acute chest syndrome, stroke, acute and chronic bone complications (including painful vaso-occlusive crisis, osteomyelitis, osteonecrosis and osteoporosis)...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28105618/-efficacy-analysis-of-fecal-microbiota-transplantation-in-the-treatment-of-406-cases-with-gastrointestinal-disorders
#13
Ning Li, Hongliang Tian, Chunlian Ma, Chao Ding, Xiaolong Ge, Lili Gu, Xuelei Zhang, Bo Yang, Yue Hua, Yifan Zhu, Yan Zhou
OBJECTIVE: To evaluate the efficacy and safety of fecal microbiota transplantation (FMT) for gastrointestinal disorders. METHODS: Retrospective analysis of the clinical data of 406 patients who underwent FMT from May 2014 to April 2016 in the Intestinal Microenvironment Treatment Centre of Nanjing General Hospital was performed, including patients with constipation(276 cases), recurrent Clostridium Difficile infection (RCDI, 61 cases), ulcerative colitis(44 cases), irritable bowel syndrome (15 cases) and Crohn's disease(10 cases)...
January 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28105526/first-versus-second-year-respiratory-syncytial-virus-prophylaxis-in-chronic-lung-disease-2005-2015
#14
Daniel Y Wang, Abby Li, Bosco Paes, Ian Mitchell, Krista L Lanctôt
: Children aged <2 years with chronic lung disease (CLD) have a 10-fold higher risk for respiratory syncytial virus-positive hospitalization (RSVH) compared to healthy term infants. Based on the updated position statements, we compared respiratory-related illness hospitalization (RIH) and RSVH risks in CLD children who received palivizumab during the first year (FY) versus second year (SY) of life in the Canadian Registry of Palivizumab (CARESS). Demographic data were collected at enrolment and RIH events recorded monthly from 2005 to 2015...
January 20, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28105408/predictors-of-prolonged-mechanical-ventilation-in-pediatric-patients-after-cardiac-surgery-for-congenital-heart-disease
#15
Avisa Tabib, Seyed Ehsan Abrishami, Mohammad Mahdavi, Hojjat Mortezaeian, Ziae Totonchi
BACKGROUND: The duration of mechanical ventilation (MV) is one of the most important clinical factors which predict outcomes in pediatric cardiac surgery. The prolonged mechanical ventilation (PMV) following cardiac surgery is a multifactorial phenomenon and there are conflicts regarding its predictors in pediatric population between different centers. OBJECTIVES: The current study aimed to describe PMV predictors in patients undergoing cardiac surgery for congenital heart disease in a tertiary center for pediatric cardiovascular diseases in Iran...
August 2016: Research in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28105143/different-forms-of-adiponectin-reduce-the-apoptotic-and-damaging-effect-of-cigarette-smoke-extract-on-human-bronchial-epithelial-cells
#16
Meng-Yu Cheng, Hu Liu, Tie-Mei Zhang, Jian-Ying Xu
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease, in which adiponectin may serve an important role. The present study investigated the role of adiponectin in the apoptotic and damaging effect of cigarette smoke extract (CSE) on human bronchial epithelial cells (16HBECs). An MTT assay showed that CSE significantly inhibited the proliferation of 16HBECs (F=1808.88, P<0.01). The 16HBECs were treated with different concentrations of high molecular weight (HMW) adiponectin and globular domain (gAd) adiponectin and it was observed that HMW and gAd dose-dependently inhibited the expression of tumor necrosis factor (TNF)-α and interleukin (IL)-8, and the generation of 4-hydroxy-nonenal and reactive oxygen species (ROS) in 16HBECs, thereby blocking the upregulating effect of CSE on these factors...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28105119/clinical-observation-on-the-treatment-of-acute-liver-failure-by-combined-non-biological-artificial-liver
#17
Maoqin Li, Jingxi Sun, Jiaqiong Li, Zaixiang Shi, Jiyuan Xu, Bo Lu, Shuli Cheng, Yanjun Xu, Xiaomeng Wang, Xianjiang Zhang
The clinical efficacy and safety of different combinations of non-bio artificial liver in the treatment of acute liver failure was examined. A total of 61 cases were selected under blood purification treatment from the patients with severe acute liver failure admitted to the severe disease department of the hospital from December, 2010 to December, 2015. Three types of artificial liver combinations were observed, i.e., plasma exchange plus hemoperfusion plus continuous venovenous hemodiafiltration (PE+HP+CVVHDF), PE+CVVHDF and HP+CVVHDF...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104505/hospitalizations-for-communicable-diseases-in-a-developing-country-prevalence-and-trend-monastir-tunisia-2002-2013
#18
Manel Ben Fredj, Asma Sriha Belguith, Hela Abroug, Wafa Dhouib, Sana El Mhamdi, Arwa Ben Salah, Inès Bouanene, Amal Amara, Sana Bhiri, Mounira Sahtout, C Loussaief, Mohamed Soussi Soltani
BACKGROUND: In spite of the epidemiological transition, communicable diseases (CD) remains a public health problem and represent a significant cause of morbidity and mortality worldwide especially in developing countries. This study aimed at determining the crude and standardized prevalence rate of hospitalizations for CD (HCD) in Monastir, and at assessing trends of HCD by age and gender at the University Hospital of Monastir during a period of 12 years (2002-2013). METHODS: We have included all hospitalizations for CD from 2002 to 2013 at University hospital departments...
January 16, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28104455/a-novel-role-for-endothelial-tetrahydrobiopterin-in-mitochondrial-redox-balance
#19
Jade Bailey, Andrew Shaw, Roman Fischer, Brent J Ryan, Benedikt M Kessler, James McCullagh, Richard Wade-Martins, Keith M Channon, Mark J Crabtree
The redox co-factor tetrahydrobiopterin (BH4) regulates nitric oxide (NO) and reactive oxygen species (ROS) production by endothelial NOS (eNOS) and is an important redox-dependent signalling molecule in the endothelium. Loss of endothelial BH4 is observed in cardiovascular disease (CVD) states and results in decreased NO and increased superoxide (O2(-)) generation via eNOS uncoupling. Genetic mouse models of augmented endothelial BH4 synthesis have shown proof of concept that endothelial BH4 can alter CVD pathogenesis...
January 16, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28104449/acute-neurologic-disease-in-porcine-rubulavirus-experimentally-infected-piglets
#20
Jenifer Herrera, Luis Gómez-Núñez, Rocío Lara-Romero, Fernando Diosdado, Atalo Martínez-Lara, Miguel Jasso, Humberto Ramírez-Mendoza, Armando Pérez-Torres, José Francisco Rivera-Benítez
The objective of this study was to evaluate the clinical disease, humoral response and viral distribution of recent Porcine rubulavirus (PorPV) isolates in experimentally infected pigs. Four, 6-piglet (5-days old) groups were employed (G1-84, G2-93, G3-147, and G4-T). Three viral strains were used for the experimental infection: the reference strain LPMV-1984 (Michoacán 1984) and two other strains isolated in 2013, one in Queretaro (Qro/93/2013) and the other in Michoacán (Mich/147/2013). Each strain was genetically characterized by amplification and sequencing of the gene encoding hemagglutinin-neuroamidase (HN)...
January 16, 2017: Virus Research
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