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https://www.readbyqxmd.com/read/30244189/low-versus-standard-blood-flow-reperfusion-strategy-in-a-pig-model-of-refractory-cardiac-arrest-resuscitated-with-extra-corporeal-membrane-oxygenation
#1
Yun Luo, Caroline Fritz, Nefissa Hammache, Daniel Grandmougin, Antoine Kimmoun, Sophie Orlowski, N'Guyen Tran, Eliane Albuisson, Bruno Levy
OBJECTIVE: This study was designed to assess the effect of two veno-arterial ExtraCorporeal Membrane Oxygenation (ECMO) blood-flow strategies in an experimental model of Extracorporeal Cardio-Pulmonary Resuscitation (ECPR) on macrocirculatory, metabolic and microcirculatory parameters in the first six hours of ECMO initiation. METHODS: Cardiac arrest was induced in 18 pigs by surgical ligature of the left descending coronary artery followed by a low-flow time of 40 minutes using internal cardiac massage...
September 20, 2018: Resuscitation
https://www.readbyqxmd.com/read/30244119/trpv1-mediates-capsaicin-stimulated-metabolic-activity-but-not-cell-death-or-inhibition-of-interleukin-1%C3%AE-release-in-human-thp-1-monocytes
#2
Dale A Kunde, Januttha Yingchoncharoen, Saša Jurković, Dominic P Geraghty
Human monocytes and dendritic cells express transient receptor potential vanilloid 1 (TRPV1) which may play a role in mediating the inflammatory, immune and cancer surveillance responses of these cells. The aim of the present study was to investigate TRPV1 expression and function in THP-1 monocytic cells. RT-PCR and Western blot were used to detect TRPV1. The metabolic activity and viability of THP-1 cells following exposure to vanilloids was assessed using resorufin production from rezazurin. Cytokine release was measured using ELISA...
September 19, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/30242901/physical-activity-is-associated-with-lower-insulin-and-c-peptide-during-glucose-challenge-in-children-and-adolescents-with-family-background-of-diabetes
#3
K Ungethüm, M Jolink, M Hippich, L Lachmann, F Haupt, C Winkler, S Hummel, A Pitchika, O Kordonouri, A-G Ziegler, A Beyerlein
AIMS: Children and adolescents with a family history of diabetes are at increased risk of overweight, but little is known about the potentially beneficial effects of physical activity on these children. The objective of this study was to investigate the association between moderate to vigorous physical activity (MVPA) and metabolic and inflammatory risks in children and adolescents with a family background of Type 1 diabetes or gestational diabetes. METHODS: Valid MVPA measurements, made with accelerometers, were available from 234 participants (median age, 10...
September 22, 2018: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/30241998/biomarkers-of-dementia-in-obstructive-sleep-apnea
#4
REVIEW
Andrée-Ann Baril, Julie Carrier, Alexandre Lafrenière, Simon Warby, Judes Poirier, Ricardo S Osorio, Najib Ayas, Marie-Pierre Dubé, Dominique Petit, Nadia Gosselin
Epidemiologic and mechanistic evidence is increasingly supporting the notion that obstructive sleep apnea is a risk factor for dementia. Hence, the identification of patients at risk of cognitive decline due to obstructive sleep apnea may significantly improve preventive strategies and treatment decision-making. Cerebrospinal fluid and blood biomarkers obtained through genomic, proteomic and metabolomic approaches are improving the ability to predict incident dementia. Therefore, fluid biomarkers have the potential to predict vulnerability to neurodegeneration in individuals with obstructive sleep apnea, as well as deepen our understanding of pathophysiological processes linking obstructive sleep apnea and dementia...
August 13, 2018: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/30241947/skeletal-muscle-secretion-of-il-6-is-muscle-type-specific-ex-vivo-evidence
#5
Ashley Paula Liang, Anthony Thomas Drazick, Hongbo Gao, Yifan Li
Emerging evidence indicates that skeletal muscle possesses endocrine function to secret myokines. Interleukin 6 (IL-6) is a well-characterized myokine that is involved in regulation of metabolism and muscle function. Metabolism type and contractile dynamics vary in different muscle types. It is not clear, however, if IL-6 secretion differs in different muscle types. In this study, we first established an ex vivo approach to test the inducible muscle secretion. Freshly isolated muscles were incubated in Krebs solution at 37 °C with oxygen supply...
September 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30241550/high-hepatic-macrophage-activation-and-low-liver-function-in-stable-wilson-patients-a-danish-cross-sectional-study
#6
Jessica Björklund, Tea Lund Laursen, Thomas Damgaard Sandahl, Holger Jon Møller, Hendrik Vilstrup, Peter Ott, Henning Grønbæk
BACKGROUND: Hepatic macrophage (Kupffer cell) hyperplasia is often described in Wilson's disease (WD). In many liver diseases, Kupffer cell activation is related to disease severity, liver function, and fibrosis but the importance in WD is unknown. Kupffer cell activation can be assessed by the P-concentration of soluble (s)CD163, metabolic liver function by the galactose elimination capacity (GEC), and fibrosis by Fibroscan. We investigated the associations between sCD163, selected inflammatory cytokines, GEC, and liver fibrosis in Danish WD patients...
September 21, 2018: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/30241403/hepatoprotective-effect-of-ugonin-m-a-helminthostachys-zeylanica-constituent-on-acetaminophen-induced-acute-liver-injury-in-mice
#7
Kun-Chang Wu, Yu-Ling Ho, Yueh-Hsiung Kuo, Shyh-Shyun Huang, Guan-Jhong Huang, Yuan-Shiun Chang
The present study aimed to discover the possible effectiveness of Ugonin M, a unique flavonoid isolated from Helminthostachys zeylanica -a traditional Chinese medicine used as anti-inflammatory medicine-and to elucidate the potential mechanisms of Ugonin M in the acute liver injury induced by acetaminophen (APAP). In this study, Ugonin M significantly ameliorated APAP-induced histopathological changes and the typical liver function biomarkers (i.e., alanine aminotransferase (ALT), aspartate aminotransferase (AST), and total bilirubin (T-Bil))...
September 21, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30239561/effects-of-3-hydroxybutyrate-and-free-fatty-acids-on-muscle-protein-kinetics-and-signaling-during-lps-induced-inflammation-in-humans-anticatabolic-impact-of-ketone-bodies
#8
Henrik H Thomsen, Nikolaj Rittig, Mogens Johannsen, Andreas B Møller, Jens Otto Jørgensen, Niels Jessen, Niels Møller
Background: Acute inflammation, and subsequent release of bacterial products (e.g. LPS), inflammatory cytokines, and stress hormones, is catabolic, and the loss of lean body mass predicts morbidity and mortality. Lipid intermediates may reduce protein loss, but the roles of free fatty acids (FFAs) and ketone bodies during acute inflammation are unclear. Objective: We aimed to test whether infusions of 3-hydroxybutyrate (3OHB), FFAs, and saline reduce protein catabolism during exposure to LPS and Acipimox (to restrict and control endogenous lipolysis)...
September 18, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/30238979/exercise-rescues-the-immune-response-fine-tuned-impaired-by-peroxisome-proliferator-activated-receptors-%C3%AE-deletion-in-macrophages
#9
Loreana Sanches Silveira, Helena Angélica Pereira Batatinha, Angela Castoldi, Niels Olsen Saraiva Câmara, Willian T Festuccia, Camila Oliveira Souza, José Cesar Rosa Neto, Fábio Santos Lira
BACKGROUND: Exercise is a powerful tool for prevention and treatment of many conditions related to the cardiovascular system and also chronic low-grade inflammation. Peroxisome proliferator-activated receptors γ (PPARγ) exerts an import role on the regulation of metabolic profile and subsequent inflammatory response, especially in macrophages. PURPOSE: To investigate the effects of 8-week moderate-exercise training on metabolic and inflammatory parameters in mice with PPARγ deficiency in myeloid cells...
September 21, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30236789/redox-and-nf-%C3%AE%C2%BAb-signaling-in-osteoarthritis
#10
REVIEW
Panagiotis Lepetsos, Kostas A Papavassiliou, Athanasios G Papavassiliou
Human cells have to deal with the constant production of reactive oxygen species (ROS). Although ROS overproduction might be harmful to cell biology, there are plenty of data showing that moderate levels of ROS control gene expression by maintaining redox signaling. Osteoarthritis (OA) is the most common joint disorder with a multi-factorial etiology including overproduction of ROS. ROS overproduction in OA modifies intracellular signaling, chondrocyte life cycle, metabolism of cartilage matrix and contributes to synovial inflammation and dysfunction of the subchondral bone...
September 17, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/30234788/potentiating-renal-regeneration-using-mesenchymal-stem-cells
#11
Lauren Brasile, Nicholas Henry, Giuseppe Orlando, Bart Stubenitsky
BACKGROUND: The potential of a Mesenchymal Stem Cell (MSC) therapy to accelerate the repair of ischemically damaged human kidneys during 24 hours of warm perfusion was evaluated. The hypothesis was that by administering MSC directly to the renal tissue, there would be an improved opportunity for cellular repair mediated by intrarenal paracrine effects. METHODS: Studies were performed using the Exsanguinous Metabolic Support (EMS) tissue-engineering platform. Five pairs of human kidney allografts from donation after cardiac death (DCD) donors were studied...
September 17, 2018: Transplantation
https://www.readbyqxmd.com/read/30233499/insulin-resistance-in-hiv-patients-causes-and-consequences
#12
REVIEW
Marcelo N Pedro, Guilherme Z Rocha, Dioze Guadagnini, Andrey Santos, Daniela O Magro, Heloisa B Assalin, Alexandre G Oliveira, Rogerio de Jesus Pedro, Mario J A Saad
Here we review how immune activation and insulin resistance contribute to the metabolic alterations observed in HIV-infected patients, and how these alterations increase the risk of developing CVD. The introduction and evolution of antiretroviral drugs over the past 25 years has completely changed the clinical prognosis of HIV-infected patients. The deaths of these individuals are now related to atherosclerotic CVDs, rather than from the viral infection itself. However, HIV infection, cART, and intestinal microbiota are associated with immune activation and insulin resistance, which can lead to the development of a variety of diseases and disorders, especially with regards to CVDs...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/30233492/the-retinol-circulating-complex-releases-hormonal-ligands-during-acute-stress-disorders
#13
REVIEW
Yves Ingenbleek
Intensive care workers actively participate in very hot debates aiming at defining the true metabolic, hormonal and nutritional requirements of critically ill patients, the contributory roles played by thyroid and retinoid ligands being largely underestimated. The present article makes up for redressing the balance on behalf of these last hormonal compounds. The retinol circulating complex is transported in the bloodstream in the form of a trimolecular edifice made up of transthyretin (TTR), retinol-binding protein (RBP) and its retinol ligand...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/30233415/impact-of-lactobacillus-casei-bl23-on-the-host-transcriptome-growth-and-disease-resistance-in-larval-zebrafish
#14
Chubin Qin, Yadong Xie, Yibing Wang, Shuning Li, Chao Ran, Suxu He, Zhigang Zhou
In this study, zebrafish were treated with Lactobacillus strains as probiotics from hatching to puberty, and the effect of treatment with L. casei BL23 on the development and immunity response of the host was investigated. Genes that were differentially expressed (DEGs) in the overall body and intestine were detected at 14 days post fertilization (dpf) and 35 dpf, respectively, using whole transcriptome sequencing (mRNAseq). We showed that zebrafish raised by continuous immersion with L. casei BL23 showed a higher final body weight at 14 dpf ( P < 0...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/30232764/application-of-stem-cell-technology-in-antiaging-and-aging-related-diseases
#15
Yanqiu Yu
Stem cells are one kind of cells that have the potential of proliferation and differentiation. The human beings are originated from a totipotential stem cell-fertilized egg. After birth, the proliferation and differentiation of stem cells contribute to the development and maturation of individual tissues and organs. After maturation, aging is a phases of the life process, the stem cells within the individual's tissues ensure the metabolism of different cells and tissues, such as the hematopoietic stem cells in the bone marrow, which ensure there are still enough red blood cells (RBCs) being responsible for the mission of transporting oxygen after a single RBC has completed its 120-day physiological life cycle...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/30232761/ovarian-aging-and-osteoporosis
#16
Liyuan Li, Zhao Wang
Osteoporosis is the most common bone metabolic disease with a very high morbidity, and women usually got a higher risk of osteoporosis than men. The high incidence rate of osteoporosis in women was mainly caused by (1) women having fewer skeletons and bone mass, (2) pregnancy consuming a large amount of calcium and other nutrients, and most importantly (3) the cease of estrogen secretion by ovaries after menopause. Along with ovarian aging, the follicle pool gradually declines and the oocyte quality reduced, accompanied with decline in serum estrogen...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/30232707/diet-induced-obesity-and-associated-disorders-are-prevented-by-natural-bioactive-type-1-fish-collagen-peptides-naticol%C3%A2-treatment
#17
Gwendoline Astre, Simon Deleruyelle, Alizée Dortignac, Christelle Bonnet, Philippe Valet, Cédric Dray
To fight against metabolic disorders such as insulin resistance, new alimentary behaviors are developed. For instance, hyperproteined, gluten-free, or collagen-enriched diets could be preconized in order to reduce the consequences of obesity. In this aim, this study evaluates the potential effects of warm sea fish collagen peptides (Naticol®) on representative metabolic and inflammatory parameters. For that, male C57Bl6/J mice fed with either a chow- (CD) or high-fat diet (HFD) were submitted or not to specific collagen peptides in drinking water (4 g/kg bw/d) for 20 weeks...
September 19, 2018: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/30232677/metabolism-of-docosahexaenoic-acid-dha-induces-pyroptosis-in-bv-2-microglial-cells
#18
Malavika Srikanth, Kalashobini Chandrasaharan, Xinyuan Zhao, Kanokporn Chayaburakul, Wei-Yi Ong, Deron R Herr
DHA is one of the most abundant fatty acids in the brain, largely present in stores of membrane phospholipids. It is readily released by the action of phospholipase A2 and is known to induce anti-inflammatory and neurotrophic effects. It is not thought to contribute to proinflammatory processes in the brain. In this study, an immortalized murine microglia cell line (BV-2) was used to evaluate the effect of DHA on neuroinflammatory cells. Pretreatment of BV-2 cells with low concentrations of DHA (30 µM) attenuates lipopolysaccharide-mediated inflammatory cytokine gene expression, consistent with known anti-inflammatory effects...
September 19, 2018: Neuromolecular Medicine
https://www.readbyqxmd.com/read/30232287/haptoglobin-improves-shock-lung-injury-and-survival-in-canine-pneumonia
#19
Kenneth E Remy, Irene Cortés-Puch, Steven B Solomon, Junfeng Sun, Benjamin M Pockros, Jing Feng, Juan J Lertora, Roy R Hantgan, Xiaohua Liu, Andreas Perlegas, H Shaw Warren, Mark T Gladwin, Daniel B Kim-Shapiro, Harvey G Klein, Charles Natanson
During the last half-century, numerous antiinflammatory agents were tested in dozens of clinical trials and have proven ineffective for treating septic shock. The observation in multiple studies that cell-free hemoglobin (CFH) levels are elevated during clinical sepsis and that the degree of increase correlates with higher mortality suggests an alternative approach. Human haptoglobin binds CFH with high affinity and, therefore, can potentially reduce iron availability and oxidative activity. CFH levels are elevated over approximately 24-48 hours in our antibiotic-treated canine model of S...
September 20, 2018: JCI Insight
https://www.readbyqxmd.com/read/30229953/skin-autofluorescence-a-measure-of-cumulative-metabolic-stress-and-advanced-glycation-end-products-decreases-during-the-summer-in-dialysis-patients
#20
Bernd Ramsauer, Reindert Graaff, Aleksandar Sikole, Lada Trajceska, Sara Lundström, Stefan Arsov, Henrik Hadimeri, Bernd Stegmayr
Tissue advanced glycation end products (AGEs) are a measure of cumulative metabolic and oxidative stress and cytokine-driven inflammatory reactions. AGEs are thought to contribute to the cardiovascular complications of hemodialysis (HD) patients. Skin autofluorescence (SAF) is related to the tissue accumulation of AGEs and rises with age. SAF is one of the strongest prognostic markers of mortality in these patients. The content of AGEs is high in barbecue food. Due to the location in northern Sweden, there is a short intense barbecue season between June and August...
September 19, 2018: Artificial Organs
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