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https://www.readbyqxmd.com/read/29244975/review-of-the-molecular-mechanisms-in-wound-healing-new-therapeutic-targets
#1
B Palmieri, M Vadalà, C Laurino
The restoration of the skin barrier in acute and chronic wounds is controlled by several molecular mechanisms that synergistically regulate cell kinetics, enzymatic functions, and neurovascular activation. These pathways include genetic and epigenetic activation, which modulate physiological wound healing. Our review describes the genetic background of skin repair, namely transcription-independent diffusible damage signals, individual variability, epigenetic mechanism, controlled qualitative traits, post-translational mechanisms, antioxidants, nutrients, DNA modifications, bacteria activation, mitochondrial activity, and oxidative stress...
December 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/29244974/the-use-of-an-antioxidant-dressing-on-hard-to-heal-wounds-a-multicentre-prospective-case-series
#2
B Castro, F D Bastida, T Segovia, P López Casanova, J J Soldevilla, J Verdú-Soriano
OBJECTIVE: Oxidative stress can contribute to impaired wound healing and chronic wounds. Our objective was to test the results of a new antioxidant dressing that could help stop the oxidative stress of cells in the wound bed. METHOD: A multicentre, prospective case study series was conducted in three Spanish hospitals. The RESVECH 2.0 index was used for healing assessment. Data from each patient was collected by the attending clinical researchers. Data analysis was performed using the statistical concept intention-to-treat (ITT)...
December 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/29244900/the-bidirectional-relationship-between-anxiety-disorders-and-circulating-levels-of-inflammatory-markers-results-from-a-large-longitudinal-population-based-study
#3
Jennifer Glaus, Roland von Känel, Aurélie M Lasserre, Marie-Pierre F Strippoli, Caroline L Vandeleur, Enrique Castelao, Mehdi Gholam-Rezaee, Ciro Marangoni, En-Young N Wagner, Pedro Marques-Vidal, Gérard Waeber, Peter Vollenweider, Martin Preisig, Kathleen R Merikangas
BACKGROUND: Although there has been abundant research on chronic low-grade inflammation as a potential mechanism underlying the link between mood disorders and cardiovascular risk, less is known about the role of inflammatory factors and anxiety disorders. The aim of this paper is to evaluate the bi-directional associations between inflammatory markers including interleukin (IL)-6, tumor necrosis factor (TNF)-α, and high sensitivity C-reactive protein (hsCRP) with anxiety disorders and its subgroups...
December 15, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/29244683/insufficiency-fracture-occurring-3-years-after-union-of-an-intertrochanteric-hip-fracture-a-case-report
#4
Byung-Ho Yoon, Sung Bae Park
CASE: We present a rare case of insufficiency fracture at the level of the distal interlocking screw following union of an intertrochanteric hip fracture. A 74-year-old woman reported chronic thigh pain for 1 month. She had a history of an osteoporotic stable intertrochanteric fracture that was successfully treated with a short intramedullary nail 3.5 years prior. However, after union, the neck-shaft angle of the femur changed from 125° to 117°. She had been on alendronic acid therapy to prevent a secondary osteoporotic fracture...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244059/the-mediterranean-diet-metabolic-and-molecular-mechanisms
#5
Valeria Tosti, Beatrice Bertozzi, Luigi Fontana
Consuming a Mediterranean diet rich in minimally processed plant foods has been associated with a reduced risk of developing multiple chronic diseases and increased life expectancy. Data from several randomized clinic trials have demonstrated a beneficial effect in the primary and secondary prevention of cardiovascular disease, type 2 diabetes, atrial fibrillation and breast cancer. The exact mechanism by which an increased adherence to the traditional Mediterranean diet exerts its favorable effects is not known...
December 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29243793/a-new-antioxidant-formulation-reduces-the-apoptotic-and-damaging-effect-of-cigarette-smoke-extract-on-human-bronchial-epithelial-cells
#6
L Vanella, G Li Volti, A Distefano, M Raffaele, V Zingales, R Avola, D Tibullo, I Barbagallo
OBJECTIVE: In this study we evaluated the possible protective effect of an antioxidant formulation containing microfiltered milk derived polypeptides, Curcumin, Vitamin B2, Carnitine and N-Acetyl-cysteine (NAC) in an in vitro model of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS: Human bronchial epithelial cells (16HBE) were used in this study. Cells were treated for 24 h in the presence or absence of 10% of cigarette smoke extract (CSE) and in the presence or absence of antioxidant formulation...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243196/chronic-mild-hyperhomocysteinemia-alters-inflammatory-and-oxidative-nitrative-status-and-causes-protein-dna-damage-as-well-as-ultrastructural-changes-in-cerebral-cortex-is-acetylsalicylic-acid-neuroprotective
#7
Daniella de S Moreira, Paula W Figueiró, Cassiana Siebert, Caroline A Prezzi, Francieli Rohden, Fatima C R Guma, Vanusa Manfredini, Angela T S Wyse
Homocysteine is a sulfur-containing amino acid derived from methionine metabolism. When plasma homocysteine levels exceed 10-15 μM, there is a condition known as hyperhomocysteinemia, which occur as a result of an inborn error of methionine metabolism or by non-genetic causes. Mild hyperhomocysteinemia is considered a risk factor for development of neurodegenerative diseases. The objective of the present study was to evaluate whether acetylsalicylic acid has neuroprotective role on the effect of homocysteine on inflammatory, oxidative/nitrative stress, and morphological parameters in cerebral cortex of rats subjected to chronic mild hyperhomocysteinemia...
December 14, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29242513/scarf-1-promotes-adhesion-of-cd4-t-cells-to-human-hepatic-sinusoidal-endothelium-under-conditions-of-shear-stress
#8
Daniel A Patten, Sivesh K Kamarajah, Joanne M Rose, Joseph Tickle, Emma L Shepherd, David H Adams, Chris J Weston, Shishir Shetty
Liver-resident cells are constantly exposed to gut-derived antigens via portal blood and, as a consequence, they express a unique repertoire of scavenger receptors. Whilst there is increasing evidence that the gut contributes to chronic inflammatory liver disease, the role of scavenger receptors in regulating liver inflammation remains limited. Here, we describe for the first time the expression of scavenger receptor class F, member 1 (SCARF-1) on hepatic sinusoidal endothelial cells (HSEC). We report that SCARF-1 shows a highly localised expression pattern and co-localised with endothelial markers on sinusoidal endothelium...
December 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29242136/anxiolytic-effect-of-cpeb1-knockdown-on-the-amygdala-of-a-mouse-model-of-inflammatory-pain
#9
Jiao Yue, Xin-Shang Wang, Yan-Yan Guo, Kai-Yin Zheng, Hai-Yan Liu, Li-Ning Hu, Ming-Gao Zhao, Shui-Bing Liu
Anxiety disorders are a category of mental disorders characterized by feelings of anxiety, stress, and fear attached to various sources. However, their pathogenesis is complicated and has not been fully elucidated. The amygdala is a vital brain region that regulates anxiety and mental disorders. Cytoplasmic polyadenylation element binding protein 1 (CPEB1) mediates the extension of the mRNA polyadenylation tail and facilitates the translation of target RNA. CPEB1 is closely related to neuronal diseases, such as Fragile X Syndrome, learning and memory disorders, and chronic pain...
December 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29242108/a-multi-level-intervention-in-worksites-to-increase-fruit-and-vegetable-access-and-intake-rationale-design-and-methods-of-the-good-to-go-cluster-randomized-trial
#10
Patricia M Risica, Gemma Gorham, Laura Dionne, William Nardi, Doug Ng, Reese Middler, Jennifer Mello, Rahmet Akpolat, Katelyn Gettens, Kim M Gans
BACKGROUND: Fruit and vegetable (F&V) consumption is an important contributor to chronic disease prevention. However, most Americans do not eat adequate amounts. The worksite is an advantageous setting to reach large, diverse segments of the population with interventions to increase F&V intake, but research gaps exist. No studies have evaluated the implementation of mobile F&V markets at worksites nor compared the effectiveness of such markets with or without nutrition education. METHODS: This paper describes the protocol for Good to Go (GTG), a cluster randomized trial to evaluate F&V intake change in employees from worksites randomized into three experimental arms: discount, fresh F&V markets (Access Only arm); markets plus educational components including campaigns, cooking demonstrations, videos, newsletters, and a web site (Access Plus arm); and an attention placebo comparison intervention on physical activity and stress reduction (Comparison)...
December 11, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29241946/youth-with-psychogenic-non-syncopal-collapse-have-more-somatic-and-psychiatric-symptoms-and-lower-perceptions-of-peer-relationships-than-youth-with-syncope
#11
Geoffrey L Heyer
BACKGROUND: Little is known about somatic and psychiatric symptoms and perceived peer relationships of patients with psychogenic nonsyncopal collapse. OBJECTIVE: This study aimed to compare somatic and psychiatric symptoms and other elements potentially related to functional neurological symptom disorders between youth with psychogenic nonsyncopal collapse and those with neurally mediated syncope. METHODS: Before testing, patients completed a structured interview and questionnaire addressing current symptoms, previous psychiatric diagnoses, referrals, diagnostic testing, prescribed medications, and patient self-ratings of anxiety, depression, and perceived peer relationships...
November 20, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29241711/l-carnitine-and-heart-disease
#12
REVIEW
Zhong-Yu Wang, Ying-Yi Liu, Guo-Hui Liu, Hai-Bin Lu, Cui-Ying Mao
Cardiovascular disease (CVD) is a key cause of deaths worldwide, comprising 15-17% of healthcare expenditure in developed countries. Current records estimate an annual global average of 30 million cardiac dysfunction cases, with a predicted escalation by two-three folds for the next 20-30years. Although β-blockers and angiotensin-converting-enzymes are commonly prescribed to control CVD risk, hepatotoxicity and hematological changes are frequent adverse events associated with these drugs. Search for alternatives identified endogenous cofactor l-carnitine, which is capable of promoting mitochondrial β-oxidation towards a balanced cardiac energy metabolism...
December 11, 2017: Life Sciences
https://www.readbyqxmd.com/read/29241523/acculturative-stress-in-korean-americans
#13
Cha-Nam Shin, Shannon Ruff Dirksen, Bin Suh
BACKGROUND: Acculturative stress is known to contribute to chronic diseases among many immigrants and yet this association in Korean Americans remains unclear. AIM: The study purpose was to examine the level of acculturative stress in Korean Americans and to determine if correlations existed with personal and physiological factors. METHODS: An exploratory, cross-sectional, descriptive study was conducted in a sample of 107 Korean American adults...
December 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/29241386/modified-risk-associations-of-lipoproteins-and-apolipoproteins-by-chronic-low-grade-inflammation
#14
Altan Onat, Aysem Kaya, Evin Ademoglu
Lipoproteins and the apolipoproteins (apo) that they carry are major determinants of cardiovascular diseases (CVD) as well as metabolic, renal and inflammatory chronic disorders either directly or through mediation of risk factors. The notion that elevated low-density lipoprotein cholesterol (LDL-C) and apoB levels are related to the acquisition of CVD and, high-density lipoprotein cholesterol (HDL-C) and apoA-I indicate protection against CVD has been challenged in the past decade. Advanced age, adiposity, ethnicity or impaired glucose intolerance rendered autoimmune activation in an environment of pro-inflammatory state/oxidative stress and may disrupt the linear risk association between lipoproteins...
December 15, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29241092/trehalose-protects-against-oxidative-stress-by-regulating-the-keap1-nrf2-and-autophagy-pathways
#15
Yuhei Mizunoe, Masaki Kobayashi, Yuka Sudo, Shukoh Watanabe, Hiromine Yasukawa, Daiki Natori, Ayana Hoshino, Arisa Negishi, Naoyuki Okita, Masaaki Komatsu, Yoshikazu Higami
Dysfunction of autophagy, which regulates cellular homeostasis by degrading organelles and proteins, is associated with pathogenesis of various diseases such as cancer, neurodegeneration and metabolic disease. Trehalose, a naturally occurring nontoxic disaccharide found in plants, insects, microorganisms and invertebrates, but not in mammals, was reported to function as a mechanistic target of the rapamycin (mTOR)-independent inducer of autophagy. In addition, trehalose functions as an antioxidant though its underlying molecular mechanisms remain unclear...
September 20, 2017: Redox Biology
https://www.readbyqxmd.com/read/29240296/bacteriophage-effectively-kills-multidrug-resistant-staphylococcus-aureus-clinical-isolates-from-chronic-rhinosinusitis-patients
#16
Guimin Zhang, Yin Zhao, Sathish Paramasivan, Katharina Richter, Sandra Morales, Peter-John Wormald, Sarah Vreugde
BACKGROUND: Bacteriophage (phage) therapy has been proposed as an alternative to antibiotics. Phages have been shown to kill antibiotic resistant Staphylococcus aureus strains; however, it is unknown whether stress-induced antibiotic tolerance affects S. aureus susceptibility to phages. Our objective was to determine the effectiveness of 2 phages currently in clinical development, against antibiotic-resistant and induced antibiotic-tolerant clinical S. aureus isolates. METHODS: Antibiotic tolerant S...
December 14, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29239766/fam13a-is-a-modifier-gene-of-cystic-fibrosis-lung-phenotype-regulating-rhoa-activity-actin-cytoskeleton-dynamics-and-epithelial-mesenchymal-transition
#17
Harriet Corvol, Nathalie Rousselet, Kristin E Thompson, Laura Berdah, Guillaume Cottin, Tobias Foussigniere, Elisabeth Longchampt, Laurence Fiette, Edouard Sage, Céline Prunier, Mitchell Drumm, Craig A Hodges, Pierre-Yves Boëlle, Loic Guillot
BACKGROUND: Cystic fibrosis (CF) lung disease severity is highly variable and dependent on several factors including genetic modifiers. Family with sequence similarity 13 member A (FAM13A) has been previously associated with lung function in the general population as well as in several chronic lung diseases, such as chronic obstructive pulmonary disease (COPD), we examined whether FAM13A is a modifier gene of CF lung phenotype. We also studied how FAM13A may contribute to the physiopathological mechanisms associated with CF...
November 24, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/29239490/proteomic-changes-of-the-porcine-skeletal-muscle-in-response-to-chronic-heat-stress
#18
Yanjun Cui, Yue Hao, Jielei Li, Yanli Gao, Xianhong Gu
BACKGROUND: Heat stress (HS) has an adverse effect on meat quality; yet, the underlying molecular mechanisms altering meat quality due to muscle responses to stress remain unclear. Sixteen castrated male crossbreeds between Landrace × Yorkshire sows and Duroc boars (79.00 ± 1.50 kg body weight) were exposed to either thermal neutral (22 °C, n=8) or heat stress (30 °C, n=8) conditions for 3 weeks. Subsequently, the longissimus dorsi (LD) muscle of all pigs was assayed for meat quality parameters and proteome analysis...
December 14, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29239349/influences-of-ivabradine-treatment-on-serum-levels-of-cardiac-biomarkers-sst2-gdf-15-supar-and-h-fabp-in-patients-with-chronic-heart-failure
#19
Peter Jirak, Dzeneta Fejzic, Vera Paar, Bernhard Wernly, Rudin Pistulli, Ilonka Rohm, Christian Jung, Uta C Hoppe, P Christian Schulze, Michael Lichtenauer, Atilla Yilmaz, Daniel Kretzschmar
Chronic heart failure (CHF) represents a major cause of hospitalization and death. Recent evidence shows that novel biomarkers such as soluble suppression of tumorigenicity (sST2), growth-differentiation factor-15 (GDF-15), soluble urokinase plasminogen activator receptor (suPAR) and heart-type fatty acid binding protein (H-FABP) are correlated with inflammatory and ischemic responses in CHF patients. In this study we examined the effects of Ivabradine that inhibited the hyperpolarization-activated cyclic nucleotide-gated channel (HCN channel, also called funny current If), thereby leading to selective heart rate reduction and improved myocardial oxygen supply on the cardiac biomarkers sST2, GDF-15, suPAR and H-FABP in 50 CHF patients at the University Hospital of Jena...
December 14, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29239280/perceived-injustice-and-its-correlates-after-mild-traumatic-brain-injury
#20
Grant L Iverson, Douglas P Terry, Justin E Karr, William Panenka, Noah D Silverberg
Perceived injustice is a belief that one has been treated unfairly, disrespectfully, and is suffering unnecessarily as a result of another person's actions. Perceived injustice predicts chronic disability after musculoskeletal injury, but to our knowledge, has not been empirically studied in people with mild traumatic brain injuries (MTBIs). We examined perceived injustice and its correlates in patients who were slow to recover from MTBI. Patients (N=102) were recruited from four concussion clinics. The sample was on average 41...
December 14, 2017: Journal of Neurotrauma
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