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https://www.readbyqxmd.com/read/28222401/combination-of-sitagliptin-and-silymarin-ameliorates-liver-fibrosis-induced-by-carbon-tetrachloride-in-rats
#1
Samia Salem Sokar, Magda El-Sayed El-Sayad, Mai El-Sayed Ghoneim, Abdelhadi Mohamed Shebl
Liver fibrosis is a common pathological condition that occurs in most conditions associated with chronic liver injury. Silymarin is a herbal product widely used for its hepatoprotective effect. Sitagliptin, a dipeptidyl peptidase-4 inhibitor (DPP4-I), is clinically used as an oral antidiabetic agent. This study was designed to investigate the effects of Sitagliptin, Silymarin, and their combination on established liver fibrosis in carbon tetrachloride (CCl4) rat model. Male albino rats received intraperitoneal injections of CCl4 three times a week for 7 weeks, as well as daily oral treatments of Sitagliptin (100mg/kg) or Silymarin (100mg/kg) or their combination during the 7 weeks of intoxication...
February 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28222379/increased-static-and-decreased-capacity-oxidation-reduction-potentials-in-plasma-are-predictive-of-metabolic-syndrome
#2
Gerd Bobe, Tora J Cobb, Scott W Leonard, Savinda Aponso, Christopher B Bahro, Dipankar Koley, Eunice Mah, Richard S Bruno, Maret G Traber
Electric conductivity in plasma is the balance between oxidized and reduced molecules (static Oxidation-Reduction Potential, sORP) and the amount of readily oxidizable molecules (capacity ORP, cORP). Adults with metabolic syndrome (MetS) have increased inflammation, dyslipidemia and oxidative stress; therefore, participants with MetS were hypothesized to have higher plasma sORP and lower cORP than those measures in healthy adults. Heparin-anticoagulated plasma from healthy and age- and gender-matched individuals with MetS (BMI: 22...
February 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28222108/oxidative-stress-mediated-nf%C3%AE%C2%BAb-phosphorylation-upregulates-p62-sqstm1-and-promotes-retinal-pigmented-epithelial-cell-survival-through-increased-autophagy
#3
Chunjuan Song, Sayak K Mitter, Xiaoping Qi, Eleni Beli, Haripriya V Rao, Jindong Ding, Colin S Ip, Hongmei Gu, Debra Akin, William A Dunn, Catherine Bowes Rickman, Alfred S Lewin, Maria B Grant, Michael E Boulton
p62 is a scaffolding adaptor implicated in the clearance of protein aggregates by autophagy. Reactive oxygen species (ROS) can either stimulate or inhibit NFκB-mediated gene expression influencing cellular fate. We studied the effect of hydrogen peroxide (H2O2)-mediated oxidative stress and NFκB signaling on p62 expression in the retinal pigment epithelium (RPE) and investigated its role in regulation of autophagy and RPE survival against oxidative damage. Cultured human RPE cell line ARPE-19 and primary human adult and fetal RPE cells were exposed to H2O2-induced oxidative stress...
2017: PloS One
https://www.readbyqxmd.com/read/28221847/thermal-and-starvation-stress-response-of-escherichia-coli-o157-h7-isolates-selected-from-agricultural-environments
#4
Achyut Adhikari, Andy Bary, Craig Cogger, Caleb James, Gülhan Ünlü, Karen Killinger
Pathogens exposed to agricultural production environments are subject to multiple stresses that may alter their survival under subsequent stress conditions. The objective of this study was to examine heat and starvation stress response of Escherichia coli O157:H7 strains isolated from agricultural matrices. Seven E. coli O157:H7 isolates from different agricultural matrices-soil, compost, irrigation water, and sheep manure-were selected, and two ATCC strains were used as controls. The E. coli O157:H7 isolates were exposed to heat stress (56°C in 0...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221666/applying-the-unified-protocol-transdiagnostic-treatment-to-nonsuicidal-self-injury-and-co-occurring-emotional-disorders-a-case-illustration
#5
Kate H Bentley
This article presents the use of a transdiagnostic, emotion-focused treatment with a young woman with nonsuicidal self-injury (NSSI), social anxiety disorder, and generalized anxiety disorder. The patient also presented with subclinical depressive, posttraumatic stress, and eating disorder symptoms. The Unified Protocol for Transdiagnostic Treatment of Emotional Disorders (Barlow et al., 2011), a cognitive-behavioral intervention designed to be applicable across anxiety, depressive, and related disorders with strong emotional components, was used to address the range of Laura's presenting concerns...
February 21, 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28221367/transcriptomic-analyses-and-leukocyte-telomere-length-measurement-in-subjects-exposed-to-severe-recent-stressful-life-events
#6
N Lopizzo, S Tosato, V Begni, S Tomassi, N Cattane, M Barcella, G Turco, M Ruggeri, M A Riva, C M Pariante, A Cattaneo
Stressful life events occurring in adulthood have been found able to affect mood and behavior, thus increasing the vulnerability for several stress-related psychiatric disorders. However, although there is plenty of clinical data supporting an association between stressful life events in adulthood and an enhanced vulnerability for psychopathology, the underlying molecular mechanisms are still poorly investigated. Thus, in this study we performed peripheral/whole-genome transcriptomic analyses in blood samples obtained from 53 adult subjects characterized for recent stressful life events occurred within the previous 6 months...
February 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28221062/habituation-of-distress-and-craving-during-treatment-as-predictors-of-change-in-ptsd-symptoms-and-substance-use-severity
#7
Christal L Badour, Julianne C Flanagan, Daniel F Gros, Therese Killeen, Irene Pericot-Valverde, Kristina J Korte, Nicholas P Allan, Sudie E Back
OBJECTIVE: Increasing evidence supports the efficacy of trauma-focused exposure therapy in the treatment of posttraumatic stress disorder (PTSD) and co-occurring substance use disorders. Little is known, however, about the mechanisms of change in treatment for patients with PTSD and co-occurring substance use disorders. The aim of the present study was to examine whether within- and between-session habituation of distress and substance craving during imaginal exposure relates to treatment outcomes among U...
March 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28220607/neurological-and-spinal-manifestations-of-the-ehlers-danlos-syndromes
#8
Fraser C Henderson, Claudiu Austin, Edward Benzel, Paolo Bolognese, Richard Ellenbogen, Clair A Francomano, Candace Ireton, Petra Klinge, Myles Koby, Donlin Long, Sunil Patel, Eric L Singman, Nicol C Voermans
The Ehlers-Danlos syndromes (EDS) are a heterogeneous group of heritable connective tissue disorders characterized by joint hypermobility, skin extensibility, and tissue fragility. This communication briefly reports upon the neurological manifestations that arise including the weakness of the ligaments of the craniocervical junction and spine, early disc degeneration, and the weakness of the epineurium and perineurium surrounding peripheral nerves. Entrapment, deformation, and biophysical deformative stresses exerted upon the nervous system may alter gene expression, neuronal function and phenotypic expression...
February 21, 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28220130/drought-induced-changes-in-growth-osmolyte-accumulation-and-antioxidant-metabolism-of-three-maize-hybrids
#9
Shakeel A Anjum, Umair Ashraf, Mohsin Tanveer, Imran Khan, Saddam Hussain, Babar Shahzad, Ali Zohaib, Farhat Abbas, Muhammad F Saleem, Iftikhar Ali, Long C Wang
Consequences of drought stress in crop production systems are perhaps more deleterious than other abiotic stresses under changing climatic scenarios. Regulations of physio-biochemical responses of plants under drought stress can be used as markers for drought stress tolerance in selection and breeding. The present study was conducted to appraise the performance of three different maize hybrids (Dong Dan 80, Wan Dan 13, and Run Nong 35) under well-watered, low, moderate and SD conditions maintained at 100, 80, 60, and 40% of field capacity, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28219667/mild-social-stress-in-mice-produces-opioid-mediated-analgesia-in-visceral-but-not-somatic-pain-states
#10
M H Pitcher, R Gonzalez-Cano, K Vincent, M Lehmann, E J Cobos, T J Coderre, J M Baeyens, F Cervero
: Visceral pain has a greater emotional component than somatic pain. To determine if the stress-induced analgesic response is differentially expressed in visceral versus somatic pain states, we studied the effects of a mild social stressor in either acute visceral or somatic pain states in mice. We show that the presence of an unfamiliar conspecific (stranger) in an adjacent cubicle of a standard transparent observation box produced elevated plasma corticosterone levels compared to mice tested alone, suggesting that the mere presence of a stranger is stressful...
February 17, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28219650/dendritic-cells-death-induced-by-contact-sensitizers-is-controlled-by-nrf2-and-depends-on-glutathione-levels
#11
Zeina El Ali, Claudine Deloménie, Jérémie Botton, Marc Pallardy, Saadia Kerdine-Römer
Dendritic cells (DC) are known to play a major role during contact allergy induced by contact sensitizers (CS). Our previous studies showed that Nrf2 was induced in DC and controlled allergic skin inflammation in mice in response to chemicals. In this work, we raised the question of the role of Nrf2 in response to a stress provoked by chemical sensitizers in DC. We used two well-described chemical sensitizers, dinitrochlorobenzene (DNCB) and cinnamaldehyde (CinA), known to have different chemical reactivity and mechanism of action...
February 17, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28219153/-social-support-and-occupational-stress-relationship-analysis-of-1-413-train-drivers-in-a-railway-bureau
#12
G Z Gu, S F Yu, W H Zhou, H Wu, L Kang, R Chen
Objective: To investigate the social support status of train drivers. Methods: Using cluster sampling, a cross-sectional study was conducted in 1 413 male train drivers (including 301 passenger train drivers, 683 freight train drivers, 85 guest scheduling train drivers, 265 cargo adjustable drivers, and 79 high-speed train drivers) from a railway bureau depot. The survey included individual factors, social support, occupational stressors, strains, personalities, and coping strategy using occupational stress instruments and effort-reward imbalance questionnaire...
February 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28219135/-effects-of-prescription-yiqi-huatan-quyu-on-oxidative-stress-level-and-pathological-changes-in-chronic-intermittent-hypoxia-rat-liver
#13
X R He, Q C Lin, Q Chen
Objective: To investigate the effects of Yiqi Huatan Quyu prescription on oxidative stress and pathological changes in chronic intermittent hypoxia rats liver. Methods: A total of 24 male SD rats aged eight weeks were randomly divided into 3 groups by the random number table: normal control group (NC), chronic intermittent hypoxia group (CIH) and chronic intermittent hypoxia plus Yiqi Huatan Quyu prescription supplement group (Chinese medicine group, CM)(n=8 each). The CIH group and CIHN group were exposed to intermittent hypoxia every day for 8 consecutive weeks...
February 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28218622/activation-of-murine-pre-proglucagon-producing-neurons-reduces-food-intake-and-body-weight
#14
Ronald P Gaykema, Brandon A Newmyer, Matteo Ottolini, Vidisha Raje, Daniel M Warthen, Philip S Lambeth, Maria Niccum, Ting Yao, Yiru Huang, Ira G Schulman, Thurl E Harris, Manoj K Patel, Kevin W Williams, Michael M Scott
Peptides derived from pre-proglucagon (GCG peptides) act in both the periphery and the CNS to change food intake, glucose homeostasis, and metabolic rate while playing a role in anxiety behaviors and physiological responses to stress. Although the actions of GCG peptides produced in the gut and pancreas are well described, the role of glutamatergic GGC peptide-secreting hindbrain neurons in regulating metabolic homeostasis has not been investigated. Here, we have shown that chemogenetic stimulation of GCG-producing neurons reduces metabolic rate and food intake in fed and fasted states and suppresses glucose production without an effect on glucose uptake...
February 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28217539/analysis-of-plasma-lipid-peroxidation-and-antioxidant-enzymes-status-in-patients-of-oral-leukoplakia-a-case-control-study
#15
Kumar Chandan Srivastava, Deepti Shrivastava
AIMS AND OBJECTIVES: Imbalances between the oxidant-antioxidant status have been implicated in the pathogenesis of several diseases, including oral cancer. Mostly, all oral cancer lesions are preceded by a stage of premalignancy. The present study aims to evaluate lipid peroxidation and antioxidant status in the venous blood of patients with different clinicopathologic stages of leukoplakia. MATERIALS AND METHODS: A case control study was designed with the inclusion of 20 new cases of histopathologically proven leukoplakia of various clinical stages along with an equal number of positive and negative control individuals...
December 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28216953/therapeutic-potential-of-alpha-ketoglutarate-against-acetaminophen-induced-hepatotoxicity-in-rats
#16
Lalita Mehra, Yasha Hasija, Gaurav Mittal
OBJECTIVE: Alpha-ketoglutarate (α-KG) is a cellular intermediary metabolite of Krebs cycle, involved in energy metabolism, amino acid synthesis, and nitrogen transport. It is available over-the-counter and marketed as a nutritional supplement. There is a growing body of evidence to suggest that dietary α-KG has the potential to maintain cellular redox status and thus can protect various oxidative stress induced disease states. The aim of the present study was to investigate the hepatoprotective role of α-KG in acetaminophen (APAP) induced toxicity in rats...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28216514/diallyl-trisulfide-augments-ischemia-induced-angiogenesis-via-an-endothelial-nitric-oxide-synthase-dependent-mechanism
#17
Ryo Hayashida, Kazuhisa Kondo, Sumio Morita, Kazumasa Unno, Satoshi Shintani, Yuuki Shimizu, John W Calvert, Rei Shibata, Toyoaki Murohara
BACKGROUND: Hydrogen sulfide (H2S) exerts beneficial actions against the development of cardiovascular disease. Diallyl trisulfide (DATS) is an organic polysulfide found in garlic oil that liberates H2S under physiological conditions. This study investigated whether DATS modulates endothelial cell function, as well as revascularization processes in a mouse model of hind-limb ischemia.Methods and Results:Wild-type (WT), endothelial nitric oxide synthase-deficient (eNOS-KO) and Akt1-heterogenic deficient (Akt-Het) mice were subjected to unilateral hindlimb ischemia (HLI)...
February 17, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28216176/glutathione-reduces-cytotoxicity-of-polyethyleneimine-coated-magnetic-nanoparticles-in-cho-cells
#18
Klemen Strojan, Jasna Lojk, Vladimir B Bregar, Peter Veranič, Mojca Pavlin
Polyethyleneimine (PEI) is a polycationic compound frequently used as a transfection agent. However, cytotoxicity of PEI and PEI-coated nanoparticles (PEI NPs) is still a major obstacle in its use. In this study we report a method for reducing cytotoxicity of PEI NPs by addition of glutathione in NPs synthesis. Glutathione reduced cytotoxic effects for at least 30% and decreased observed oxidative stress response compared to standard formulation. Results showed that the effect was partially due to reduced zeta potential and partially due to protective antioxidant properties of glutathione...
February 16, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28214572/clinical-relevance-of-oxidation-reduction-potential-in-the-evaluation-of-male-infertility
#19
Ashok Agarwal, Siew May Wang
Objectives To evaluate 1) the relationship between oxidation-reduction potential (ORP) and abnormal sperm quality, 2) changes in ORP and sperm parameters over time, in search of a potential surrogate marker of poor sperm quality that may assist in the diagnosis of oxidative stress- related male infertility. Methods 194 infertile men were included and 28 patients were identified to have repeated semen analyses and ORP measurements. The semen samples obtained were categorized into normal and abnormal sperm parameters based on the World Health Organization (WHO) 5(th) edition guidelines...
February 15, 2017: Urology
https://www.readbyqxmd.com/read/28213988/-contribution-of-mindfulness-meditation-in-cognitive-behavioral-therapy-for-insomnia
#20
H Vanhuffel, M Rey, I Lambert, D Da Fonseca, F Bat-Pitault
INTRODUCTION: Insomnia is considered to be a serious public health issue affecting approximately 10% of adults. Chronic insomnia may increase the risk of health problem, psychological vulnerability and proneness to accidents. Cognitive behavioral therapy for insomnia (CBT-I) is recommended as the first line of treatment. Even though CBT-I is widely considered as an effective therapy, 20 to 30% of patients do not respond to this treatment. Mindfulness therapy, known to reduce rumination and stress, could be an interesting complement to enhance CBT-I...
February 14, 2017: L'Encéphale
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