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https://www.readbyqxmd.com/read/29141361/-effect-of-probucol-on-preventing-contrast-induced-nephropathy-in-patients-undergoing-percutaneous-coronary-intervention
#1
X Q Suo, S C Yang, Z H Ma, T T Sun, W Y Zhang, H L Cong, W H Lin, C Z Lu, F S Tian, N K Fu
Objective: To investigate the preventive effect, possible mechanism and safety of probucol on contrast-induced nephropathy (CIN) after percutaneous coronary intervention (PCI) in patients with coronary heart disease (CHD). Methods: A total of 641 patients with coronary heart disease were consecutively enrolled from Department of Cardiology, in Tianjin Chest Hospital, Tianjin TEDA International Cardiovascular Hospital, Tianjin First Central Hospital, Tianjin Fourth Central Hospital. They were randomly divided into probucol group (n=321) and control group (n=320)...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29141189/role-of-cyclooxygenase-inhibitors-in-diminution-of-dissimilar-stress-induced-depressive-behaviour-and-memory-impairment-in-rats
#2
Tahira Perveen, Shaista Emad, Saida Haider, Sana Sadaf, Sara Qadeer, Zehra Batool, Yousra Sarfaraz, Sheeza Sheikh
Memory functions can be considerably affected by various life events and stress has shown to be a chief regulator. Different stress patterns have distinct effects on the overall functioning of the brain. Stress provokes inflammation not only in the periphery but also in the brain. Neuroinflammation causes alterations in neuronal structure and function, which eventually progress to the development of neurodegenerative diseases. Inflammatory reactions are modulated through communication between the nervous, endocrine and immune systems...
November 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/29141007/escitalopram-and-nht-normalized-stress-induced-anhedonia-and-molecular-neuroadaptations-in-a-mouse-model-of-depression
#3
Or Burstein, Motty Franko, Eyal Gale, Assaf Handelsman, Segev Barak, Shai Motsan, Alon Shamir, Roni Toledano, Omri Simhon, Yafit Hirshler, Gang Chen, Ravid Doron
Anhedonia is defined as a diminished ability to obtain pleasure from otherwise positive stimuli. Anxiety and mood disorders have been previously associated with dysregulation of the reward system, with anhedonia as a core element of major depressive disorder (MDD). The aim of the present study was to investigate whether stress-induced anhedonia could be prevented by treatments with escitalopram or novel herbal treatment (NHT) in an animal model of depression. Unpredictable chronic mild stress (UCMS) was administered for 4 weeks on ICR outbred mice...
2017: PloS One
https://www.readbyqxmd.com/read/29140975/natural-variation-of-a-sensor-kinase-controlling-a-conserved-stress-response-pathway-in-escherichia-coli
#4
Manuela Roggiani, Srujana S Yadavalli, Mark Goulian
Previous studies have shown that exponentially growing Escherichia coli can detect mild acidity (~pH 5.5) and, in response, synthesize enzymes that protect against severe acid shock. This adaptation is controlled by the EvgS/EvgA phosphorelay, a signal transduction system present in virtually every E. coli isolate whose genome has been sequenced. Here we show that, despite this high level of conservation, the EvgS/EvgA system displays a surprising natural variation in pH-sensing capacity, with some strains entirely non-responsive to low pH stimulus...
November 15, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29140908/heart-rate-monitoring-in-basketball-applications-player-responses-and-practical-recommendations
#5
Daniel M Berkelmans, Vincent J Dalbo, Crystal O Kean, Zoran Milanović, Emilija Stojanović, Nenad Stojiljković, Aaron T Scanlan
The aims of this review were to collate the existing literature encompassing heart rate (HR) monitoring in basketball to: (i) identify the applications of HR measurement; (ii) report HR responses in male and female players during training and game-play; (iii) evaluate use of current HR-based training load models; and (iv) provide recommendations for future research and best practice approaches for basketball practitioners. HR monitoring in basketball carries three primary applications: (i) monitoring exercise intensity; (ii) assessing player fatigue status; and (iii) quantifying internal training load...
November 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29140907/the-singapore-sling-f1-race-team-cognitive-function-and-mood-responses-during-the-singapore-grand-prix
#6
Barry V O'Neill, Kirsty M Davies, Tess E Morris
The current investigation measured cognitive performance, subjective ratings of mood and sleep in Formula 1® (F1) race team members during the 2013 Singapore Grand Prix. Two weeks prior to the Singapore Grand Prix participants (n = 16; mean age 33.5 years, range 22-48 years) underwent baseline cognitive assessments as well as a questionnaire on mood and sleep quality/duration. These assessments were repeated on the race weekend prior to practice (S1) and post qualifying (S2). A significant increase in simple reaction time (SRT), that is slowing of total response time was observed from baseline to S1 (33...
November 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29140736/extremely-low-frequency-magnetic-field-protects-injured-spinal-cord-from-the-microglia-and-iron-induced-tissue-damage
#7
Soumil Dey, Samrat Bose, Suneel Kumar, Ravinder Rathore, Rashmi Mathur, Suman Jain
Spinal cord injury (SCI) is insult to the spinal cord, which results in loss of sensory and motor function below the level of injury. SCI results in both immediate mechanical damage and secondary tissue degeneration. Following traumatic insult, activated microglia release proinflammatory cytokines and excess iron due to hemorrhage, initiating oxidative stress that contributes to secondary degeneration. Literature suggests that benefits are visible with the reduction in concentration of iron and activated microglia in SCI...
November 15, 2017: Electromagnetic Biology and Medicine
https://www.readbyqxmd.com/read/29140633/the-impact-of-work-demand-and-gender-on-occupational-and-psychosocial-stress-in-hispanic-farmworkers
#8
Megan TePoel, Diane Rohlman, Meagan Shaw
Hispanic farmworkers experience hazardous work conditions, language barriers, poverty, and limited healthcare access that increase their risk for health problems. We sought to characterize occupational and lifestyle stressors in farmworker couples and to examine the impact of seasonal work demand and gender on health outcomes. We administered surveys to 31 couples (N = 62) in May (low work demand) and September (high work demand) of 2012. Measures included acculturation, perceived stress, depressive symptoms, quality of life, decision latitude, support (supervisor, co-worker), and work-family conflict...
April 26, 2017: Journal of Agricultural Safety and Health
https://www.readbyqxmd.com/read/29140578/alleviation-of-cadmium-induced-oxidative-stress-by-trehalose-via-inhibiting-the-nrf2-keap1-signaling-pathway-in-primary-rat-proximal-tubular-cells
#9
Xin-Yu Wang, Zhen-Yong Wang, Yi-Song Zhu, Si-Ming Zhu, Rui-Feng Fan, Lin Wang
Nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor that regulates a cluster of oxidative stress-inducible genes in cells. Here, we aimed to investigate whether trehalose (Tre) protects primary rat proximal tubular (rPT) cells against cadmium (Cd)-induced oxidative stress via Nrf2 antioxidant pathway. Data showed that Tre treatment inhibited Nrf2 nuclear translocation and restored the decline in Kelch-like ECH-associated protein 1 (Keap1) protein level in Cd-exposed rPT cells. Moreover, Cd-activated Nrf2 target genes, including phase II detoxifying enzymes, that is, NAD(P)H quinone oxidoreductase 1 and heme oxygenase-1, direct antioxidant proteins, that is, glutathione peroxidase, superoxide dismutase, catalase, and glutathione biosynthesis-related proteins, that is, glutamatecysteine ligase catalytic subunit, glutamate cysteine ligase modifier subunit, and glutathione reductase, were all downregulated by co-treatment with Tre...
November 15, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29140457/genistein-specific-g6dt-gene-for-the-inducible-production-of-wighteone-in-lotus-japonicus
#10
Jinyue Liu, Wenbo Jiang, Yaying Xia, Xuemin Wang, Guoan Shen, Yongzhen Pang
Prenylated isoflavonoids were found in several legume plants, and they possess various biological activities that play important roles in both plant defense and human health. However, it is still unknown whether prenylated isoflavonoids are present in the model legume plant L. japonicus. In the present study, we found that the prenylated isoflavonoid wighteone was produced in L. japonicus when the leaf was supplemented with genistein. Furthermore, a novel prenyltransferase gene LjG6DT was identified, which shared high similarity and was closely related with several known prenyltransferase genes involved in isoflavonoid biosynthesis...
November 10, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29140437/metabolite-profiling-at-the-cellular-and-subcellular-level-reveals-metabolites-associated-with-salinity-tolerance-in-sugar-beet
#11
M Sazzad Hossain, Marcus Persicke, Abdelaleim Ismail ElSayed, Jörn Kalinowski, Karl-Josef Dietz
Sugar beet is among the most salt-tolerant crops. This study aimed to investigate the metabolic adaptation of sugar beet to salt stress at the cellular and subcellular levels. Seedlings were grown hydroponically and subjected to stepwise increases in salt stress up to 300 mM NaCl. Highly enriched fractions of chloroplasts were obtained by non-aqueous fractionation using organic solvents. Total leaf metabolites and metabolites in chloroplasts were profiled at 3 h and 14 d after reaching the maximum salinity stress of 300 mM NaCl...
November 11, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29140297/a-proteomic-approach-to-investigate-the-drought-response-in-the-orphan-crop-eragrostis-tef
#12
Rizqah Kamies, Jill M Farrant, Zerihun Tadele, Gina Cannarozzi, Mohammed Suhail Rafudeen
The orphan crop, Eragrostis tef, was subjected to controlled drought conditions to observe the physiological parameters and proteins changing in response to dehydration stress. Physiological measurements involving electrolyte leakage, chlorophyll fluorescence and ultra-structural analysis showed tef plants tolerated water loss to 50% relative water content (RWC) before adverse effects in leaf tissues were observed. Proteomic analysis using isobaric tag for relative and absolute quantification (iTRAQ) mass spectrometry and appropriate database searching enabled the detection of 5727 proteins, of which 211 proteins, including a number of spliced variants, were found to be differentially regulated with the imposed stress conditions...
November 15, 2017: Proteomes
https://www.readbyqxmd.com/read/29140183/full-title-examining-the-presence-of-back-pain-in-competitive-athletes-a-focus-on-stress-and-recovery
#13
Jahan Heidari, Johanna Belz, Monika Hasenbring, Jens Kleinert, Claudia Levenig, Michael Kellmann
Context - Explanatory approaches for back pain (BP) in athletes focus on biomechanical factors while neglecting psychological perspectives. Psychological factors have gained importance in the prediction of injuries in athletes and BP in the general population, with stress and recovery emerging as central risk factors. However, scarce evidence exists regarding the role of these aspects for the prevalent burden of back pain (BP). Objective - To investigate the association between stress and recovery parameters and the presence of BP...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29140155/persistent-prevention-of-oxaliplatin-induced-peripheral-neuropathy-using-calmangafodipir-pledox-%C3%A2-a-placebo-controlled-randomised-phase-ii-study-pliant
#14
Bengt Glimelius, Nebojsa Manojlovic, Per Pfeiffer, Baadur Mosidze, Galina Kurteva, Mia Karlberg, Devalingam Mahalingam, Peter Buhl Jensen, Jan Kowalski, Marie Bengtson, Malin Nittve, Jacques Näsström
PURPOSE: Oxaliplatin causes disabling acute and chronic peripheral neuropathy. We explored the preventive effects of calmangafodipir, mimicking the mitochondrial enzyme manganese superoxide dismutase, thereby protecting cells from oxidative stress, in a placebo-controlled, double-blinded randomised phase II study (ClinicalTrials.gov.NCT01619423) in patients with metastatic colorectal cancer (mCRC). PATIENT AND METHODS: mCRC patients treated with modified FOLFOX-6 (folinic acid 200 mg/m(2), 5-fluorouracil bolus 400 mg/m(2), oxaliplatin 85 mg/m(2) and 5-fluorouracil 2400 mg/m(2) continuous infusion for 46 h) every fortnight for 8 cycles in first or second line were eligible...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29140130/the-effects-of-hydrogen-peroxide-and-lipopolysaccharide-on-rat-alveolar-l2-cells
#15
Eun Kyeong Kang, Han Suk Kim
PURPOSE: This study aimed to investigate differential cell responses of alveolar epithelial cells (AECs) after treatments with lipopolysaccharide (LPS) and hydrogen peroxide (H2O2) to mimic the exposure to inflammation and oxidative stress and the mechanisms of a double-hit model of apoptosis. MATERIALS AND METHODS: AECs were cultured and treated with combinations of 1 μg/mL of LPS and 500 μM H2O2 as follows: LPS-only at 0 h, LPS at 0 h with H2O2 at 6 h (LPS + H2O2), H2O2-only at 0 h, H2O2 at 0 h with LPS at 6 h (H2O2 + LPS), and control...
October 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29139541/characterization-of-the-autophagy-related-gene-8a-atg8a-promoter-in-drosophila-melanogaster
#16
Arundhati Bali, Bhupendra V Shravage
Autophagy is an evolutionarily conserved process which is upregulated under various stress conditions, including nutrient stress and oxidative stress. Amongst autophagy related genes (Atgs), Atg8a (LC3 in mammals) is induced several-fold during nutrient limitation in Drosophila. The minimal Atg8a cis-regulatory module (CRM) which mediates transcriptional upregulation under various stress conditions is not known. Here, we describe the generation and analyses of a series of Atg8a promoter deletions which drive the expression of an mCherry-Atg8a fusion cassette...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/29139175/hax-1-regulates-the-proliferation-and-apoptosis-of-endothelial-progenitor-cells-through-akt-pathway-modulation
#17
Xin-Bin Guo, Xin Deng, Ying Wei
Endothelial precursor cells (EPCs) are involved in vasculogenesis of various physiological and pathological processes. The proliferation and survival mechanism of EPCs needs to be explored further for the purpose of developing an effective glioma treatment. Hematopoietic-substrate-1 associated protein X-1 (HAX-1) has been reported as an anti-apoptosis protein that plays an important role in several malignant tumors. However, the effect and mechanism of HAX-1 on EPCs remains unknown. This study aims to investigate the effect of HAX-1 on the proliferation and apoptosis EPCs and explore its mechanism...
November 15, 2017: Stem Cells
https://www.readbyqxmd.com/read/29139053/incorporating-tissue-anisotropy-and-heterogeneity-in-finite-element-models-of-trabecular-bone-altered-predicted-local-stress-distributions
#18
Max A Hammond, Joseph M Wallace, Matthew R Allen, Thomas Siegmund
Trabecular bone is composed of organized mineralized collagen fibrils, which results in heterogeneous and anisotropic mechanical properties at the tissue level. Recently, biomechanical models computing stresses and strains in trabecular bone have indicated a significant effect of tissue heterogeneity on predicted stresses and strains. However, the effect of the tissue-level mechanical anisotropy on the trabecular bone biomechanical response is unknown. Here, a computational method was established to automatically impose physiologically relevant orientation inherent in trabecular bone tissue on a trabecular bone microscale finite element model...
November 14, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29139042/obesity-and-altered-aspirin-pharmacology
#19
REVIEW
Nicholas B Norgard
Obesity is an independent risk factor for cardiovascular morbidity and mortality due to atherothrombotic events and represents a group of patients who are in need of optimized antithrombotic therapy. Central to the obesity-related risk of atherothrombosis is a pro-thrombotic state characterized by increased levels of coagulation factors, impaired fibrinolysis, and platelet hyper-reactivity, which results from the interaction among the features clustering in obesity: insulin resistance, inflammation, oxidative stress, and endothelial dysfunction...
November 14, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/29139024/immigrant-trauma-and-mental-health-outcomes-among-latino-youth
#20
Sean D Cleary, Ryan Snead, Daniela Dietz-Chavez, Ivonne Rivera, Mark C Edberg
While research has demonstrated an association between trauma and mental health, this study examined the association between trauma experienced premigration, during migration, and postmigration, and current mental health status among Latino youth aged 12-17 years old living in the US for < 3 years. Participants reported traumatic events experienced in their home country, during migration, and after settling in the US. Regression models examined trauma experienced at each stage of the migration process predicting current levels of depression, anxiety, and post-traumatic stress disorder...
November 14, 2017: Journal of Immigrant and Minority Health
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