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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
#1
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/28100167/conserved-gene-expression-in-sperm-reservoirs-between-birds-and-mammals-in-response-to-mating
#2
Mohammad Atikuzzaman, Manuel Alvarez-Rodriguez, Alejandro Vicente Carrillo, Martin Johnsson, Dominic Wright, Heriberto Rodriguez-Martinez
BACKGROUND: Spermatozoa are stored in the oviductal functional sperm reservoir in animals with internal fertilization, including zoologically distant classes such as pigs or poultry. They are held fertile in the reservoir for times ranging from a couple of days (in pigs), to several weeks (in chickens), before they are gradually released to fertilize the newly ovulated eggs. It is currently unknown whether females from these species share conserved mechanisms to tolerate such a lengthy presence of immunologically-foreign spermatozoa...
January 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28063043/subcutaneous-and-sublingual-immunotherapy-in-a-mouse-model-of-allergic-asthma
#3
Laura Hesse, Martijn C Nawijn
Allergic asthma, caused by inhaled allergens such as house dust mite or grass pollen, is characterized by reversible airway obstruction, associated with an eosinophilic inflammation of the airways, as well as airway hyper responsiveness and remodeling. The inhaled allergens trigger a type-2 inflammatory response with involvement of innate lymphoid cells (ILC2) and Th2 cells, resulting in high production of immunoglobulin E (IgE) antibodies. Consequently, renewed allergen exposure results in a classic allergic response with a distinct early and late phase, both resulting in bronchoconstriction and shortness of breath...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27931077/antibiotics-for-the-neurological-complications-of-lyme-disease
#4
REVIEW
Diego Cadavid, Paul G Auwaerter, Jeffrey Rumbaugh, Harald Gelderblom
BACKGROUND: Various central nervous system-penetrant antibiotics are bactericidal in vitro and in vivo against the causative agent of Lyme neuroborreliosis (LNB), Borrelia burgdorferi. These antibiotics are routinely used clinically to treat LNB, but their relative efficacy is not clear. OBJECTIVES: To assess the effects of antibiotics for the treatment of LNB. SEARCH METHODS: On 25 October 2016 we searched the Cochrane Neuromuscular Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, and Embase...
8, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27928026/azd3759-a-bbb-penetrating-egfr-inhibitor-for-the-treatment-of-egfr-mutant-nsclc-with-cns-metastases
#5
Zhenfan Yang, Qiuli Guo, Yingchun Wang, Kan Chen, Lin Zhang, Ziqiang Cheng, Yanping Xu, Xiaolu Yin, Yu Bai, Sarit Rabbie, Dong-Wan Kim, Myung-Ju Ahn, James Chih-Hsin Yang, Xiaolin Zhang
Non-small-cell lung cancer patients with activating mutations in epidermal growth factor receptor (EGFR) respond to EGFR tyrosine kinase inhibitor (TKI) treatment. Nevertheless, patients often develop central nervous system (CNS) metastases during treatment, even when their extracranial tumors are still under control. In the absence of effective options, much higher doses of EGFR TKIs have been attempted clinically, with the goal of achieving high enough drug concentrations within the CNS. Although limited tumor responses have been observed with this approach, the toxicities outside the CNS have been too high to tolerate...
December 7, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27925844/a-two-dose-heterologous-prime-boost-vaccine-regimen-eliciting-sustained-immune-responses-to-ebola-zaire-could-support-a-preventive-strategy-for-future-outbreaks
#6
Georgi Shukarev, Benoit Callendret, Kerstin Luhn, Macaya Douoguih, The Ebovac Consortium
The consequences of the 2013-16 Ebola Zaire virus disease epidemic in West Africa were grave. The economies, healthcare systems and communities of Guinea, Sierra Leone and Liberia were devastated by over 18 months of active Ebola virus transmission, followed by sporadic resurgences potentially related to sexual transmission by survivors with viral persistence in body fluids following recovery. The need to develop and implement strategies to prevent and mitigate future outbreaks is now beyond dispute. The potential for unpredictable outbreaks of indeterminate duration, and control challenges posed by the possibility of sporadic re-emergence, mean that implementation of an effective vaccination programme for outbreak containment necessitates a vaccine providing durable immunity...
December 7, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27919757/dietary-administration-of-bacillus-subtilis-hainup40-enhances-growth-digestive-enzyme-activities-innate-immune-responses-and-disease-resistance-of-tilapia-oreochromis-niloticus
#7
Haitian Liu, Shifeng Wang, Yan Cai, Xiaohui Guo, Zhenjie Cao, Yongzheng Zhang, Shubin Liu, Wei Yuan, Weiwei Zhu, Yu Zheng, Zhenyu Xie, Weiliang Guo, Yongcan Zhou
The probiotic properties of Bacillus subtilis HAINUP40 isolated from the aquatic environment, and the effects of dietary administration of B. subtilis HAINUP40 on the growth performance, intestinal probiotic recovery, digestive enzyme activities, innate immunity and disease resistance of tilapia (Oreochromis niloticus) were evaluated. The probiotic properties investigated include tolerance to simulated gastrointestinal stress, auto-aggregation, cell surface hydrophobicity and extracellular enzyme production...
December 2, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27917173/live-imaging-of-immune-responses-in-experimental-models-of-multiple-sclerosis
#8
REVIEW
Barbara Rossi, Gabriela Constantin
Experimental autoimmune encephalomyelitis (EAE) is the most common animal model of multiple sclerosis (MS), a chronic inflammatory autoimmune disease of the central nervous system (CNS) characterized by multifocal perivascular infiltrates that predominantly comprise lymphocytes and macrophages. During EAE, autoreactive T cells first become active in the secondary lymphoid organs upon contact with antigen-presenting cells (APCs), and then gain access to CNS parenchyma, through a compromised blood-brain barrier, subsequently inducing inflammation and demyelination...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27906052/antibody-responses-to-de-novo-identified-citrullinated-fibrinogen-peptides-in-rheumatoid-arthritis-and-visualization-of-the-corresponding-b-cells
#9
Vijay Joshua, Loes Schobers, Philip J Titcombe, Lena Israelsson, Johan Rönnelid, Monika Hansson, Anca I Catrina, Ger J M Pruijn, Vivianne Malmström
BACKGROUND: Antibodies against citrullinated proteins (ACPA) are common in patients with rheumatoid arthritis (RA). ACPA can appear before disease onset and target many self-antigens. Citrullinated fibrin/fibrinogen represents a classical ACPA target antigen, and mass spectrometry of RA synovial fluid reveals elevated citrullinated (cit) fibrinogen (Fib) peptides compared to non-RA controls. We investigated the extent to which these less-studied peptides represent autoantibody targets and sought to visualize the corresponding cit-Fib-reactive B cells in RA patients...
December 1, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27888933/review-on-modeling-heat-transfer-and-thermoregulatory-responses-in-human-body
#10
REVIEW
Ming Fu, Wenguo Weng, Weiwang Chen, Na Luo
Several mathematical models of human thermoregulation have been developed, contributing to a deep understanding of thermal responses in different thermal conditions and applications. In these models, the human body is represented by two interacting systems of thermoregulation: the controlling active system and the controlled passive system. This paper reviews the recent research of human thermoregulation models. The accuracy and scope of the thermal models are improved, for the consideration of individual differences, integration to clothing models, exposure to cold and hot conditions, and the changes of physiological responses for the elders...
December 2016: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27888833/interaction-of-rat-alveolar-macrophages-with-dental-composite-dust
#11
K L Van Landuyt, S M Cokic, C Asbach, P Hoet, L Godderis, F X Reichl, B Van Meerbeek, A Vennemann, M Wiemann
BACKGROUND: Dental composites have become the standard filling material to restore teeth, but during the placement of these restorations, high amounts of respirable composite dust (<5 μm) including many nano-sized particles may be released in the breathing zone of the patient and dental operator. Here we tested the respirable fraction of several composite particles for their cytotoxic effect using an alveolar macrophage model system. ​METHODS: Composite dust was generated following a clinical protocol, and the dust particles were collected under sterile circumstances...
November 26, 2016: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/27881573/intestinal-na-k-2cl-cotransporter-2-plays-a-crucial-role-in-hyperosmotic-transitions-of-a-euryhaline-teleost
#12
Andrew J Esbaugh, Brett Cutler
Euryhaline fishes, such as the red drum (Sciaenops ocellatus), must quickly transition between hyperosmotic and hypoosmotic physiological strategies. When freshwater individuals transition to seawater they are exposed to increased diffusive water loss and ion gain. To maintain osmoregulatory balance these animals must drink and absorb seawater through the intestine, followed by ion excretion at the gills. The ability of fishes to transition between strategies can limit the magnitude of osmotic shock that can be tolerated...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27869558/polynitroxylated-pegylated-hemoglobin-a-novel-small-volume-therapeutic-for-traumatic-brain-injury-resuscitation-comparison-to-whole-blood-and-dose-response-evaluation
#13
Erik C Brockman, Travis C Jackson, C Edward Dixon, Hülya Bayɪr, Robert S B Clark, Vincent Vagni, Keri Feldman, Catherine Byrd, Li Ma, Carleton Hsia, Patrick M Kochanek
Resuscitation with polynitroxylated pegylated hemoglobin (PNPH), a pegylated bovine hemoglobin decorated with nitroxides, eliminated the need for fluid administration, reduced intracranial pressure (ICP) and brain edema, and produced neuroprotection in vitro and in vivo versus Lactated Ringer's solution (LR) in experimental traumatic brain injury (TBI) plus hemorrhagic shock (HS). We hypothesized that resuscitation with PNPH would improve acute physiology versus whole blood after TBI+HS and would be safe and effective across a wide dosage range...
January 13, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27836902/active-vs-sedentary-lifestyle-from-weaning-to-adulthood-and-susceptibility-to-ozone-in-rats
#14
C J Gordon, P M Phillips, A Ledbetter, S J Snow, M C Schladweiler, A F M Johnstone, U P Kodavanti
The prevalence of a sedentary (SED) life style combined with calorically rich diets has spurred the rise in childhood obesity, which, in turn, translates to adverse health effects in adulthood. Obesity and lack of active (ACT) lifestyle may increase susceptibility to air pollutants. We housed 22-day-old female Long-Evans rats in a cage without (SED) or with a running wheel (ACT). After 10 wk the rats ran 310 ± 16.3 km. Responses of SED and ACT rats to whole-body O3 (0, 0.25, 0.5, or 1.0 ppm; 5 h/day for 2 days) was assessed...
January 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27820941/functions-of-exosomes-and-microbial-extracellular-vesicles-in-allergy-and-contact-and-delayed-type-hypersensitivity
#15
Katarzyna Nazimek, Krzysztof Bryniarski, Philip W Askenase
Extracellular vesicles, such as exosomes, are newly recognized intercellular conveyors of functional molecular mechanisms. Notably, they transfer RNAs and proteins between different cells that can then participate in the complex pathogenesis of allergic and related hypersensitivity responses and disease mechanisms, as described herein. This review highlights this important new appreciation of the in vivo participation of such extracellular vesicles in the interactions between allergy-mediating cells. We take into account paracrine epigenetic exchanges mediated by surrounding stromal cells and the endocrine receipt of exosomes from distant cells via the circulation...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27757236/salinity-tolerances-of-two-australian-freshwater-turtles-chelodina-expansa-and-emydura-macquarii-testudinata-chelidae
#16
Deborah S Bower, David M Scheltinga, Simon Clulow, John Clulow, Craig E Franklin, Arthur Georges
Freshwater biota experience physiological challenges in regions affected by salinization, but often the effects on particular species are poorly understood. Freshwater turtles are of particular concern as they appear to have limited ability to cope with environmental conditions that are hyperosmotic to their body fluids. Here, we determined the physiological responses of two Australian freshwater chelid turtles, Emydura macquarii and Chelodina expansa, exposed to freshwater (0‰) and brackish water (15‰, representing a hyperosmotic environment)...
2016: Conservation Physiology
https://www.readbyqxmd.com/read/27749997/dumping-syndrome-after-esophageal-gastric-or-bariatric-surgery-pathophysiology-diagnosis-and-management
#17
REVIEW
A P van Beek, M Emous, M Laville, J Tack
BACKGROUND: Dumping syndrome, a common complication of esophageal, gastric or bariatric surgery, includes early and late dumping symptoms. Early dumping occurs within 1 h after eating, when rapid emptying of food into the small intestine triggers rapid fluid shifts into the intestinal lumen and release of gastrointestinal hormones, resulting in gastrointestinal and vasomotor symptoms. Late dumping occurs 1-3 h after carbohydrate ingestion, caused by an incretin-driven hyperinsulinemic response resulting in hypoglycemia...
January 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27736042/lung-and-cardiac-ultrasound-for-hemodynamic-monitoring-of-patients-with-severe-pre-eclampsia
#18
J Ambrozic, G Brzan Simenc, K Prokselj, N Tul, M Cvijic, M Lucovnik
OBJECTIVE: To evaluate lung and cardiac ultrasound for the assessment of fluid tolerance and fluid responsiveness before and after delivery in pregnant women with severe pre-eclampsia (PE). METHODS: This was a prospective observational study of singleton pregnant women with severe PE and healthy term controls. Lung ultrasound echo comet score (ECS), which denotes the amount of extravascular lung water, was obtained using the 28-rib interspaces technique. The echocardiographic E/e' ratio, measured by pulsed-wave and tissue Doppler, was used as a marker of diastolic left ventricular function...
January 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27697141/follicular-t-helper-cells-and-il-21-in-rheumatic-diseases
#19
Tue Kruse Rasmussen
Rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) are lifelong diseases with increased mortality and chronic pains. They are both characterized by immunological imbalances causing the immune system attack and destroy the bodies own tissues (called autoimmune disease). The best treatment, we are currently able to offer these patients, cause significant side-effects and can not prevent significant loss of quality of life. At the heart of the disease mechanisms in RA and SLE are subsets of immune cells called T and B cells...
October 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27677765/metabolic-effects-of-orally-administered-small-molecule-agonists-of-gpr55-and-gpr119-in-multiple-low-dose-streptozotocin-induced-diabetic-and-incretin-receptor-knockout-mice
#20
Aine M McKillop, Brian M Moran, Yasser H A Abdel-Wahab, Noella M Gormley, Peter R Flatt
AIMS/HYPOTHESIS: Abnormal cannabidiol (Abn-CBD) and AS-1269574 are potent selective agonists for GPR55 and GPR119, respectively. The present study evaluated the actions and ability of these small-molecule agonists to counteract experimental diabetes in mice. METHODS: Diabetes was induced in NIH Swiss mice by five consecutive daily intraperitoneal injections of 40 mg/(kg body weight) streptozotocin. Diabetic mice received daily oral administration of Abn-CBD or AS-1269574 (0...
September 27, 2016: Diabetologia
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