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Inflammation metabolism

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https://www.readbyqxmd.com/read/28088613/adipocyte-and-epidermal-fatty-acid-binding-protein-serum-concentrations-in-patients-with-lipodystrophy
#1
Konstanze Miehle, Thomas Ebert, Susan Kralisch, Annett Hoffmann, Jürgen Kratzsch, Haiko Schlögl, Michael Stumvoll, Mathias Fasshauer
OBJECTIVE: Lipodystrophy (LD) syndromes are associated with diabetes mellitus, hypertriglyceridemia, and coronary artery disease. One pathogenetic factor of LD is dysregulation of several adipokines. However, the insulin resistance- and dyslipidemia-promoting adipokines adipocyte (AFABP) and epidermal (EFABP) fatty acid-binding protein have not been investigated in non-HIV-associated LD so far. MATERIAL AND METHODS: We performed a cross-sectional analysis of AFABP and EFABP serum concentrations in 37 LD patients and 37 age-, gender-, and body mass index-matched healthy controls...
January 12, 2017: Cytokine
https://www.readbyqxmd.com/read/28088407/far-off-and-close-up-dry-matter-intake-modulate-indicators-of-immunometabolic-adaptations-to-lactation-in-subcutaneous-adipose-tissue-of-pasture-based-transition-dairy-cows
#2
M Vailati-Riboni, G Farina, F Batistel, A Heiser, M D Mitchell, M A Crookenden, C G Walker, J K Kay, S Meier, J R Roche, J J Loor
The common practice of increasing dietary energy density during the close-up dry period (last ∼3 wk prepartum) has been recently associated with a higher incidence of metabolic disorders after calving. Despite these reports, over-feeding of metabolizable energy (ME) during the far-off, nonlactating period is a common management policy aimed at achieving optimum calving body condition score (BCS) in pasture-based systems, as cows are generally thinner than total mixed ration cows at the end of lactation. Our hypothesis was that both far-off and close-up overfeeding influence the peripartum adipose tissue changes associated with energy balance and inflammatory state...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088340/the-role-of-magnetic-resonance-imaging-techniques-in-evaluation-and-management-of-the-idiopathic-inflammatory-myopathies
#3
REVIEW
Jessica Day, Sandy Patel, Vidya Limaye
Magnetic resonance imaging (MRI) is an important tool in the evaluation of neuromuscular disorders. MRI accurately demonstrates muscle oedema, atrophy, subcutaneous pathology and fatty infiltration and also highlights the distribution of muscle involvement. This review examines the role of MRI in evaluation of the idiopathic inflammatory myopathies (IIMs), a heterogeneous group of autoimmune conditions characterised by muscle inflammation and a variety of extra-muscular manifestations. MRI has a clear role in aiding diagnosis of these conditions, guiding muscle biopsy, differentiating subtypes of IIM using a pattern-based approach, and monitoring disease activity in a longitudinal fashion...
November 5, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28088338/relation-between-resting-amygdalar-activity-and-cardiovascular-events-a-longitudinal-and-cohort-study
#4
Ahmed Tawakol, Amorina Ishai, Richard Ap Takx, Amparo L Figueroa, Abdelrahman Ali, Yannick Kaiser, Quynh A Truong, Chloe Je Solomon, Claudia Calcagno, Venkatesh Mani, Cheuk Y Tang, Willem Jm Mulder, James W Murrough, Udo Hoffmann, Matthias Nahrendorf, Lisa M Shin, Zahi A Fayad, Roger K Pitman
BACKGROUND: Emotional stress is associated with increased risk of cardiovascular disease. We imaged the amygdala, a brain region involved in stress, to determine whether its resting metabolic activity predicts risk of subsequent cardiovascular events. METHODS: Individuals aged 30 years or older without known cardiovascular disease or active cancer disorders, who underwent (18)F-fluorodexoyglucose PET/CT at Massachusetts General Hospital (Boston, MA, USA) between Jan 1, 2005, and Dec 31, 2008, were studied longitudinally...
January 12, 2017: Lancet
https://www.readbyqxmd.com/read/28087905/-inflammatory-cytokines-and-oxidative-stress-markers-in-the-inhibition-of-osteoarthritis-by-curcumin
#5
Jun Liu, Xiaole He, Ping Zhen, Shenghu Zhou, Xusheng Li
Objective: To observe the influence of matrix metalloproteinases-2 (MMP-2), monocyte chemoattractant protein-1 (MCP-1), CD47, L-selectin and advanced oxidation proteinproducts (AOPP) in osteoarthritis and the intervention of curcumin. Methods: A total of 20 male C57BL/6 mice (10.05-15.00 g) were randomly divided into control group, OA group, Cur25 group and Cur50 group (intraperitoneal injected 25 μmol/L or 50 μmol/L of curcumin everyday after modeling). After 4 weeks treatment, we observed the morphological changes of the gross specimen by immunohistochemical method, and observed the ultrastructure of cartilage tissue under electron microscope...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28087888/simulated-microgravity-decreases-circulating-iron-in-rats-role-of-inflammation-induced-hepcidin-upregulation
#6
Thibault Cavey, Nicolas Pierre, Kévin Nay, Coralie Allain, Martine Ropert, Olivier Loréal, Frédéric Derbré
During spaceflight, humans exposed to microgravity exhibit an increase of iron storage and a reduction of circulating iron. Such perturbations could promote oxidative stress and anemia in astronauts. The mechanism by which microgravity modulates iron metabolism is still unknown. Herein, we hypothesized that microgravity up-regulates hepcidin, a hormone produced by the liver that is the main controller of iron homeostasis. To test this hypothesis, rats were submitted to hindlimb unloading (HU), the reference model to mimic the effects of microgravity in rodents...
January 13, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28087518/cardiovascular-function-in-male-and-female-jcr-la-cp-rats-effect-of-high-fat-high-sucrose-diet
#7
Ian Hunter, Amanda Soler, Gregory Joseph, Brenda Hutcheson, Chastity Bradford, Frank Zhang, Barry J Potter, Spencer D Proctor, Petra Rocic
30% of the world population is diagnosed with metabolic syndrome. High fat/high sucrose diet (HF/HS, Western diet) correlates with metabolic syndrome prevalence. We characterized effects of the HF/HS diet on vascular (arterial stiffness, vasoreactivity, coronary collateral development) and cardiac (echocardiography) function, oxidative stress and inflammation in a rat model of metabolic syndrome (JCR). Furthermore, we determined whether male vs. female animals were affected differentially by the Western diet...
January 13, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28087294/bioactive-metabolites-of-docosahexaenoic-acid
#8
REVIEW
Ondrej Kuda
Docosahexaenoic acid (DHA) is an essential fatty acid that is recognized as a beneficial dietary constituent and as a source of the anti-inflammatory specialized proresolving mediators (SPM): resolvins, protectins and maresins. Apart from SPMs, other metabolites of DHA also exert potent biological effects. This article summarizes current knowledge on the metabolic pathways involved in generation of DHA metabolites. Over 70 biologically active metabolites have been described, but are often discussed separately within specific research areas...
January 10, 2017: Biochimie
https://www.readbyqxmd.com/read/28086928/resolvin-rvd2-reduces-hypothalamic-inflammation-and-rescues-mice-from-diet-induced-obesity
#9
Livia B Pascoal, Bruna Bombassaro, Albina F Ramalho, Andressa Coope, Rodrigo F Moura, Felipe Correa-da-Silva, Leticia Ignacio-Souza, Daniela Razolli, Diogo de Oliveira, Rodrigo Catharino, Licio A Velloso
BACKGROUND: Diet-induced hypothalamic inflammation is an important mechanism leading to dysfunction of neurons involved in controlling body mass. Studies have shown that polyunsaturated fats can reduce hypothalamic inflammation. Here, we evaluated the presence and function of RvD2, a resolvin produced from docosahexaenoic acid, in the hypothalamus of mice. METHODS: Male Swiss mice were fed either chow or a high-fat diet. RvD2 receptor and synthetic enzymes were evaluated by real-time PCR and immunofluorescence...
January 5, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28081218/adiponectin-signaling-regulates-lipid-production-in-human-sebocytes
#10
Yu Ra Jung, Jin-Hyup Lee, Kyung-Cheol Sohn, Young Lee, Young-Joon Seo, Chang-Deok Kim, Jeung-Hoon Lee, Seung-Phil Hong, Seong-Jun Seo, Seong-Jin Kim, Myung Im
Adiponectin plays important roles in metabolic function, inflammation and multiple biological activities in various tissues. However, evidence for adiponectin signaling in sebaceous glands is lacking, and its role remains to be clarified. This study investigated the role of adiponectin in lipid production in sebaceous glands in an experimental study of human sebocytes. We demonstrated that human sebaceous glands in vivo and sebocytes in vitro express adiponectin receptor and that adiponectin increased cell proliferation...
2017: PloS One
https://www.readbyqxmd.com/read/28081037/higher-cd163-levels-are-associated-with-insulin-resistance-in-hepatitis-c-virus-infected-and-hiv-infected-adults
#11
Michael Reid, Yifei Ma, Rebecca Scherzer, Jennifer C Price, Audrey L French, Michael W Plankey, Carl Grunfeld, Phyllis C Tien
OBJECTIVES: HIV/hepatitis C virus (HCV) coinfection is associated with insulin resistance, but the mechanism is unclear. We hypothesized that intestinal epithelial damage and the consequent monocyte/macrophage activation and inflammation explain this perturbation. DESIGN: Cross-sectional study of 519 adults (220 HIV+/HCV-; 64 HIV-/HCV+; 89 HIV+/HCV+; 146 HIV-/HCV-). METHODS: We used multivariable linear regression to evaluate associations of HIV and HCV with the homeostasis model assessment of insulin resistance (HOMA-IR) and if intestinal fatty (FA) acid binding protein (I-FABP, a marker of gut epithelial integrity), soluble CD14 (sCD14) and soluble CD163 (sCD163) (markers of monocyte/macrophage activation), and IL-6 (an inflammatory cytokine) mediated this association...
January 28, 2017: AIDS
https://www.readbyqxmd.com/read/28080202/chemical-probes-targeting-epigenetic-proteins-applications-beyond-oncology
#12
Suzanne Ackloo, Peter J Brown, Susanne Müller
Epigenetic chemical probes are potent, cell-active, small molecule inhibitors and antagonists of specific domains in a protein; they have been indispensable for studying bromodomains and protein methyltransferases. The Structural Genomics Consortium (SGC), comprising scientists from academic and pharmaceutical laboratories, has generated most of the current epigenetic chemical probes. Moreover, the SGC has shared about four thousand aliquots of these probes, which have been used primarily for phenotypic profiling or to validate targets in cell lines or primary patient samples cultured in vitro...
January 12, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28079150/sustained-kidney-biochemical-derangement-in-treated-experimental-diabetes-a-clue-to-metabolic-memory
#13
Antonio Anax F de Oliveira, Tiago F de Oliveira, Larissa L Bobadilla, Camila C M Garcia, Carolina Maria Berra, Nadja C de Souza-Pinto, Marisa H G Medeiros, Paolo Di Mascio, Roberto Zatz, Ana Paula de M Loureiro
The occurrence of biochemical alterations that last for a long period of time in diabetic individuals even after adequate handling of glycemia is an intriguing phenomenon named metabolic memory. In this study, we show that a kidney pathway is gradually altered during the course of diabetes and remains persistently changed after late glycemic control in streptozotocin-induced diabetic rats. This pathway comprises an early decline of uric acid clearance and pAMPK expression followed by fumarate accumulation, increased TGF-β expression, reduced PGC-1α expression, and downregulation of methylation and hydroxymethylation of mitochondrial DNA...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078844/a-natural-formula-containing-lactoferrin-equisetum-arvensis-soy-isoflavones-and-vitamin-d3-modulates-bone-remodeling-and-inflammatory-markers-in-young-and-aged-rats
#14
L Menghini, C Ferrante, L Leporini, L Recinella, A Chiavaroli, S Leone, G Pintore, M Vacca, G Orlando, L Brunetti
A pivotal role in osteoporosis development is played by radical oxygen species (ROS), the increased production of which is related to inhibited osteoblastic activity and bone formation. A new field of research could involve medicinal plants with antioxidant and protective effects in osteoporosis. Furthermore, considering the multifactorial metabolic aspects of osteoporosis, the pharmacological association of multiple medicinal plants could improve patient response. The aim of the present study is to evaluate in vitro and in vivo the protective effects of a natural formula containing lactoferrin 12%, Equisetum arvensis ES 54%, soy isoflavones 34% and vitamin D3 0...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078432/-evidence-based-recommendations-for-diagnostics-and-treatment-of-gouty-arthritis-in-the-specialist-sector-s2e-guidelines-of-the-german-society-of-rheumatology-in-cooperation-with-the-awmf
#15
REVIEW
U Kiltz, R Alten, M Fleck, K Krüger, B Manger, U Müller-Ladner, H Nüsslein, M Reuss-Borst, A Schwarting, H Schulze-Koops, A K Tausche, J Braun
Due to the increasing prevalence of gout, particularly in old age, the disease is becoming of increasing importance in Germany. Gout is one of the most common forms of recurrent inflammatory arthritis and is induced by the deposition of monosodium urate crystals in synovial fluid and other tissues. The principal goals of therapy in chronic gout are the symptomatic treatment of the acute joint inflammation and the causal treatment of the underlying metabolic cause, the hyperuricemia. Only a consistent and permanent reduction of the serum uric acid level ultimately results in an efficient avoidance of further gout attacks and therefore the prevention of structural damage...
January 11, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28078076/sex-dependent-alteration-of-cardiac-cytochrome-p450-gene-expression-by-doxorubicin-in-c57bl-6-mice
#16
Marianne K O Grant, Davis M Seelig, Leslie C Sharkey, Beshay N Zordoky
BACKGROUND: There is inconclusive evidence about the role of sex as a risk factor for doxorubicin (DOX)-induced cardiotoxicity. Recent experimental studies have shown that adult female rats are protected against DOX-induced cardiotoxicity. However, the mechanisms of this sexual dimorphism are not fully elucidated. We have previously demonstrated that DOX alters the expression of several cytochrome P450 (CYP) enzymes in the hearts of male rats. Nevertheless, the sex-dependent effect of DOX on the expression of CYP enzymes is still not known...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28077838/low-grade-metabolically-induced-inflammation-mediators-interleukin-6-adiponectin-and-tnf-%C3%AE-serum-levels-in-obese-pregnant-patients-in-the-perinatal-period
#17
Malgorzata Zembala-Szczerba, Andrzej Jaworowski, Hubert Huras, Dorota Babczyk, Robert Jach
BACKGROUND Obesity is a major clinical problem. The number of obese pregnant women is rising rapidly. The consequences of obesity are significant and affect every aspect of perinatal care for both the mother and the developing fetus. Adipose tissue may be responsible for chronic subclinical inflammation in obesity, being a source of inflammatory mediators. The study was designed to evaluate the analysis of the serum concentration of inflammatory mediators, including interleukin-6 (IL-6), tumor necrosis factor alpha (TNF-α), and adiponectin, in obese pregnant women at full-term pregnancies...
January 12, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28077381/metabolic-syndrome-increases-dietary-%C3%AE-tocopherol-requirements-as-assessed-using-urinary-and-plasma-vitamin-e-catabolites-a-double-blind-crossover-clinical-trial
#18
Maret G Traber, Eunice Mah, Scott W Leonard, Gerd Bobe, Richard S Bruno
BACKGROUND: Vitamin E supplementation improves liver histology in patients with nonalcoholic steatohepatitis, which is a manifestation of the metabolic syndrome (MetS). We reported previously that α-tocopherol bioavailability in healthy adults is higher than in those with MetS, thereby suggesting that the latter group has increased requirements. OBJECTIVE: We hypothesized that α-tocopherol catabolites α-carboxyethyl hydroxychromanol (α-CEHC) and α-carboxymethylbutyl hydroxychromanol (α-CMBHC) are useful biomarkers of α-tocopherol status...
January 11, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28077318/alcohol-microbiome-life-style-influence-alcohol-and-non-alcoholic-organ-damage
#19
REVIEW
Manuela G Neuman, Samuel W French, Samir Zakhari, Stefen Malnick, Helmut K Seitz, Lawrence B Cohen, Mikko Salaspuro, Andreea Voinea Griffin, Andrei Barasch, Irina A Kirpich, Paul G Thomes, Laura W Schrum, Terrence M Donohue, Kusum Kharbanda, Marcus Cruz, Mihai Opris
This paper is based upon the "8th Charles Lieber's Satellite Symposium" organized by Manuela G. Neuman at the Research Society on Alcoholism Annual Meeting, onJune 25, 2016 at New Orleans, Louisiana, USA. The integrative symposium investigated different aspects of alcohol-induced liver disease (ALD) as well as non-alcohol-induced liver disease (NAFLD) and possible repair. We revealedthe basic aspects of alcohol metabolism that may be responsible for the development of liver diseaseas well as the factors that determine the amount, frequency and which type of alcohol misuse leads to liver and gastrointestinal diseases...
January 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28077274/the-role-and-regulation-of-the-peroxisome-proliferator-activated-receptor-alpha-in-human-liver
#20
REVIEW
Sander Kersten, Rinke Stienstra
The peroxisome proliferator-activated receptor α (PPARα) is a ligand-activated transcription factor that is abundantly expressed in liver. PPARα is activated by fatty acids and various other lipid species, as well as by a class of chemicals referred to as peroxisome proliferators. Studies in mice have shown that PPARα serves as the master regulator of hepatic lipid metabolism during fasting. In addition, PPARα suppresses inflammation and the acute phase response. Comparatively little is known about PPARα in human liver...
January 7, 2017: Biochimie
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