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Fluid responsive tolerant

Letizia Di Bella, Michela Ingrassia, Virgilio Frezza, Francesco L Chiocci, Raffaella Pecci, Rossella Bedini, Eleonora Martorelli
The new record of a shallow-water submarine hydrothermal field (<150 m w.d.) in the western Mediterranean Sea (Tyrrhenian Sea, Italy) allows us to study CO2 fluid impact on benthic foraminifers. Benthic foraminifers calcification process is sensitive to ocean acidification and to local chemical and physical parameters of seawater and pore water. Thus, foraminifers can record specific environmental conditions related to hydrothermal fluids, but at present their response to such activity is poorly defined...
February 22, 2018: Marine Environmental Research
Rammohan Prasanna, Deepak Bunger, Mujtaba A Khan
The standard of care for locally advanced cervical cancer has been the combination of a taxane with platinum based therapy. Conventional docetaxel is known to cause hypersensitivity reactions, fluid retention and other toxicities due to polysorbate-80 and ethanol. Corticosteroid premedication prior to docetaxel administration is required to prevent these toxicities, however, toxicities are still observed, sometimes fatal, despite premedication. DoceAqualip, a nanosomal docetaxel lipid suspension, developed with lipids generally regarded as safe (GRAS) by the US Food and Drug Administration, is devoid of polysorbate-80 and ethanol...
February 2018: Molecular and Clinical Oncology
Cristina Municio, Ángeles Dominguez-Soto, Sara Fuentelsaz-Romero, Amalia Lamana, Nuria Montes, Víctor D Cuevas, Raquel García Campos, José L Pablos, Isidoro González-Álvaro, Amaya Puig-Kröger
OBJECTIVES: Methotrexate (MTX) is the anchor drug for treatment of rheumatoid arthritis (RA), but the mechanism of its anti-inflammatory action is not fully understood. In RA, macrophages display a proinflammatory polarisation profile that resembles granulocyte-macrophage colony-stimulating factor (GM-CSF)-differentiated macrophages and the response to MTX is only observed in thymidylate synthase+ GM-CSF-dependent macrophages. To determine the molecular basis for the MTX anti-inflammatory action, we explored toll-like receptor (TLR), RA synovial fluid (RASF) and tumour necrosis factor receptor (TNFR)-initiated signalling in MTX-exposed GM-CSF-primed macrophages...
February 3, 2018: Annals of the Rheumatic Diseases
Guilherme B Campos, Lucas M Marques, Izadora S Rezende, Maysa S Barbosa, Mauricio S Abrão, Jorge Timenetsky
OBJECTIVE: To detect Mollicutes in women with endometriosis and healthy peritoneal tissues and evaluate the participation of these bacteria in the immune response during endometriosis. DESIGN: Cross-sectional study. SETTING: University hospitals. PATIENT (S): Women with endometriosis (n = 73) and without endometriosis (n = 31). INTERVENTION(S): Endocervical swabs, peritoneal fluid, and biopsied lesions of endometriosis of women with endometriosis (study group) and healthy peritoneal tissues (control group) were collected during surgery...
February 7, 2018: Fertility and Sterility
Eric J Vargas, Carl M Pesta, Ahmad Bali, Eric Ibegbu, Fateh Bazerbachi, Rachel L Moore, Vivek Kumbhari, Reem Z Sharaiha, Trace W Curry, Gina DosSantos, Ramsey Schmitz, Abhishek Agnihotri, Aleksey A Novikov, Tracy Pitt, Margo K Dunlap, Andrea Herr, Louis Aronne, Erin Ledonne, Hoda C Kadouh, Lawrence J Cheskin, Manpreet S Mundi, Andres Acosta, Christopher J Gostout, Barham K Abu Dayyeh
BACKGROUND & AIMS: The Orbera Intragastric Balloon (OIB) is a single fluid-filled intra-gastric balloon approved for induction of weight loss and treatment of obesity. However, little is known about the effectiveness and safety of outside clinical trials, and since approval, the Food and Drug Administration has issued warnings to healthcare providers about risk of balloon hyper-inflation requiring early removal, pancreatitis, and death. We analyzed data on patients who have received the OIB since its approval determine its safety, effectiveness, and tolerance in real-world clinical settings...
February 6, 2018: Clinical Gastroenterology and Hepatology
P V Jeurink, K Knipping, F Wiens, K Barańska, B Stahl, J Garssen, B Krolak-Olejnik
Latest forecasts predict that half of the European population will be allergic within the coming 15 years, with food allergies contributing substantially to the total burden; preventive measures are urgently needed. Unfortunately, all attempted alimentary strategies for primary prevention of allergic diseases through allergen avoidance so far have failed. This also holds true for the prevention of food allergies in breastfed infants by the common practice of excluding certain foods with allergenic potential from the maternal diet...
February 2, 2018: Critical Reviews in Food Science and Nutrition
Gil Y Yerushalmi, Lidiya Misyura, Heath A MacMillan, Andrew Donini
At low temperatures, Drosophila, like most insects, lose the ability to regulate ion and water balance across the gut epithelia, which can lead to a lethal increase of [K+] in the hemolymph (hyperkalemia). Cold-acclimation, the physiological response to a prior low temperature exposure, can mitigate or entirely prevent these ion imbalances, but the physiological mechanisms that facilitate this process are not well understood. Here, we test whether plasticity in the ionoregulatory physiology of the gut and Malpighian tubules of Drosophila may aid in preserving ion homeostasis in the cold...
January 24, 2018: Journal of Experimental Biology
Belinda J Kaskow, Clare Baecher-Allan
Multiple sclerosis (MS) has long been considered a CD4 T-cell disease, primarily because of the findings that the strongest genetic risk for MS is the major histocompatibility complex (MHC) class II locus, and that T cells play a central role in directing the immune response. The importance that the T helper (Th)1 cytokine, interferon γ (IFN-γ), and the Th17 cytokine, interleukin (IL)-17, play in MS pathogenesis is indicated by recent clinical trial data by the enhanced presence of Th1/Th17 cells in central nervous system (CNS) tissue, cerebrospinal fluid (CSF), and blood, and by research on animal models of MS, such as experimental autoimmune encephalomyelitis (EAE)...
January 22, 2018: Cold Spring Harbor Perspectives in Medicine
Jeong Beom Lee, Jeong Ho Kim
OBJECTIVE: Tropical natives sweat less and preserve more body fluid than temperate natives, tolerating heat stress. However, the mechanisms involved in such sweating reduction have not been fully elucidated. We examined the sudomotor responses of men of African (n = 36) and Korean (n = 41) ancestry during hot water (43 °C) leg immersion (central sudomotor response). Correlations between mean body temperature, basal metabolic rate (BMR), and sweat rate were also examined. METHODS: All procedures were done in an automated climate chamber...
January 17, 2018: American Journal of Human Biology: the Official Journal of the Human Biology Council
Joyce Koueik, Brandon G Rocque, Jordan Henry, Taryn Bragg, Jennifer Paul, Bermans J Iskandar
Continuous irrigation is an important adjunct for successful intraventricular endoscopy, particularly for complex cases. It allows better visualization by washing out blood and debris, improves navigation by expanding the ventricles, and assists with tissue dissection. A method of irrigation delivery using a centrifugal pump designed originally for cardiac surgery is presented. The BioMedicus centrifugal pump has the desirable ability to deliver a continuous laminar flow of fluid that excludes air from the system...
February 2018: Journal of Neurosurgery. Pediatrics
Tone Mari Rode, Anette McLeod, Ingrid Måge, Even Heir, Lars Axelsson, Askild L Holck
The ability of foodborne pathogens to exhibit adaptive responses to stressful conditions in foods may enhance their survival when passing through the gastrointestinal system. We aimed to determine whether Escherichia coli surviving stresses encountered during a model dry-fermented sausage (DFS) production process exhibit enhanced tolerance and survival in an in vitro gastrointestinal model. Salami sausage batters spiked with five E. coli isolates, including enterohaemorrhagic E. coli strains isolated from different DFS outbreaks, were fermented in a model DFS process (20°C, 21 days)...
2017: International Journal of Microbiology
Will Jaffee, Spencer Hodgins, William T McGee
Severe sepsis and septic shock remain among the deadliest diseases managed in the intensive care unit. Fluid resuscitation has been a mainstay of early treatment, but the deleterious effects of excessive fluid administration leading to tissue edema are becoming clearer. A positive fluid balance at 72 hours is associated with significantly increased mortality, yet ongoing fluid administration beyond a durable increase in cardiac output is common. We review the pathophysiologic and clinical data showing the negative effects of edema on pulmonary, renal, central nervous, hepatic, and cardiovascular systems...
January 1, 2017: Journal of Intensive Care Medicine
Katerina Bakela, Irene Athanassakis
The involvement of major histocompatibility complex (MHC) antigens in the development and regulation of immune response has been well defined over the years, starting from maturation, antigenic peptide loading, migration to the cell membrane for recognition by the T-cell receptor and recycling for immune response cessation. During this intracellular trafficking, MHC antigens find a way to be excreted by the cells, because they can be found as soluble MHC class I (sMHC-I) and class II (sMHC-II) molecules in all body fluids...
March 2018: Immunology
Alyssa Y Stark, Katherine Arstingstall, Stephen P Yanoviak
The surface temperature of tree branches in the tropical rainforest canopy can reach up to 55°C. Ants and other small cursorial organisms must maintain adequate attachment in this extreme microenvironment to forage effectively and prevent falling. Ant adhesion depends on liquid secretions that should become less viscous at high temperatures, causing ants to slip. However, tropical arboreal ants have high thermal tolerance and actively forage on hot canopy surfaces, suggesting that these ants can maintain adhesion on hot substrates...
November 16, 2017: Journal of Experimental Biology
Eric D B Goulet, Adrien De La Flore, Félix A Savoie, Jonathan Gosselin
Hyperhydration has been demonstrated to improve work capacity and cardiovascular and thermoregulatory functions, enhance orthostatic tolerance, slow or neutralize bone demineralization and decrease post-dive bubble formation. Adding sodium or glycerol to a hyperhydration solution optimizes fluid retention. Sodium and glycerol produce their effect through different physiological mechanisms. If combined into a hyperhydration solution their impact on fluid retention could potentially be greater than their singular effect...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
H Hodgson, D Davidson, A Duncan, J Guthrie, E Henderson, M MacDiarmid, K McGown, V Pollard, R Potter, A Rodgers, A Wilson, J Horner, M Doran, S Simm, R Taylor, A Rogers, M G Rippon, M Colgrave
OBJECTIVE: Our aim was to assess the effectiveness of hydro-responsive wound dressing (HRWD) in debridement and wound bed preparation of a variety of acute and chronic wounds that presented with devitalised tissue needing removal so that healing may proceed. METHOD: This was a non-comparative evaluation of acute and chronic wounds that required debridement as part of their normal treatment regimen. Clinicians recorded wound changes including a subjective assessment level of devitalised tissue and wound bed preparation, presence of pain, wound status (e...
November 2, 2017: Journal of Wound Care
Zhankui Wang, Lei Hou, Hao Yang, Jiaxi Ge, Shaocheng Wang, Weitian Tian, Xiangrui Wang, Zhongwei Yang
Acute lung injury is a common complication after cardiopulmonary bypass (CPB). α7 nicotinic acetylcholine receptors (α7nAChR) and α7nAChR-dependent cholinergic signaling are implicated in suppressing the release of high mobility group box 1 (HMGB1) and reducing the inflammatory response. A previous study has shown the electroacupuncture (EA) pretreatment induces tolerance against lung injury. However, the role of EA in CPB is poorly understood. This study employed EA and a rat model of CPB to determine whether EA was associated with CPB-induced lung injury...
November 7, 2017: Shock
Steven De Abreu, Liubov Amirova, Ronan Murphy, Robert Wallace, Laura Twomey, Guillemette Gauquelin-Koch, Veronique Raverot, Françoise Larcher, Marc-Antoine Custaud, Nastassia Navasiolava
Dry immersion (DI) is a Russian-developed, ground-based model to study the physiological effects of microgravity. It accurately reproduces environmental conditions of weightlessness, such as enhanced physical inactivity, suppression of hydrostatic pressure and supportlessness. We aimed to study the integrative physiological responses to a 3-day strict DI protocol in 12 healthy men, and to assess the extent of multi-system deconditioning. We recorded general clinical data, biological data and evaluated body fluid changes...
2017: Frontiers in Physiology
Holly E Saito, John R Harp, Elizabeth M Fozo
Enterococcus faecalis is a commensal of the human gastrointestinal tract that can persist in the external environment and is a leading cause of hospital-acquired infections. Given its diverse habitats, the organism has developed numerous strategies to survive a multitude of environmental conditions. Previous studies have demonstrated that E. faecalis will incorporate fatty acids from bile and serum into its membrane, resulting in an induced tolerance to membrane-damaging agents. To discern whether all fatty acids induce membrane stress protection, we examined how E...
January 1, 2018: Applied and Environmental Microbiology
Jaren W Landen, Sharon Cohen, Clare B Billing, Carol Cronenberger, Scot Styren, Aaron H Burstein, Catherine Sattler, Jae-Hong Lee, Clifford R Jack, Kejal Kantarci, Pamela F Schwartz, William T Duggan, Qinying Zhao, Ken Sprenger, Martin M Bednar, Brendon Binneman
INTRODUCTION: Multiple intravenous doses of ponezumab, an anti-amyloid antibody, were evaluated in subjects with mild-to-moderate Alzheimer's disease (AD). METHODS: In part A, 77 subjects were randomized to ponezumab 0.1, 0.5, or 1 mg/kg (75 treated) and 26 to placebo (24 treated). In part B, 63 subjects were randomized and treated with ponezumab 3 or 8.5 mg/kg and 32 with placebo. Subjects received 10 infusions over 18 months and were followed for 6 months thereafter...
September 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
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