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Physiological Profile Assessment

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https://www.readbyqxmd.com/read/28533752/protocatechuic-acid-a-phenolic-from-sansevieria-roxburghiana-leaves-suppresses-diabetic-cardiomyopathy-via-stimulating-glucose-metabolism-ameliorating-oxidative-stress-and-inhibiting-inflammation
#1
Niloy Bhattacharjee, Tarun K Dua, Ritu Khanra, Swarnalata Joardar, Ashis Nandy, Achintya Saha, Vincenzo De Feo, Saikat Dewanjee
Persistent hyperglycemia, impairment of redox status and establishment of inflammatory pathophysiology integrally play important role in the pathogenesis of diabetic cardiomyopathy (DC). Present study examined the therapeutic potential of protocatechuic acid isolated from the Sansevieria roxburghiana rhizomes against DC employing rodent model of type 2 diabetes (T2D). T2D was induced by high fat diet + a low-single dose of streptozotocin (35 mg/kg, i.p.). T2D rats exhibited significantly (p < 0.01) high fasting blood glucose level...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28528248/interethnic-differences-in-serum-lipids-implications-for-cardiometabolic-disease-risk-in-african-ancestry-populations
#2
REVIEW
Amy R Bentley, Charles N Rotimi
African Americans generally have a healthier lipid profile (lower triglycerides and higher high-density lipoprotein cholesterol concentration) compared with those of other ethnicities. Paradoxically, African Americans do not experience a decreased risk of the cardiometabolic diseases that serum lipids are expected to predict. This review explores this mismatch between biomarker and disease among African ancestry individuals by investigating the presence of interethnic differences in the biological relationships underlying the serum lipids-disease association...
May 17, 2017: Global Heart
https://www.readbyqxmd.com/read/28520521/three-dimensional-cell-cultures-in-drug-discovery-and-development
#3
Ye Fang, Richard M Eglen
The past decades have witnessed significant efforts toward the development of three-dimensional (3D) cell cultures as systems that better mimic in vivo physiology. Today, 3D cell cultures are emerging, not only as a new tool in early drug discovery but also as potential therapeutics to treat disease. In this review, we assess leading 3D cell culture technologies and their impact on drug discovery, including spheroids, organoids, scaffolds, hydrogels, organs-on-chips, and 3D bioprinting. We also discuss the implementation of these technologies in compound identification, screening, and development, ranging from disease modeling to assessment of efficacy and safety profiles...
June 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28513270/physiological-and-performance-measures-for-baseline-concussion-assessment
#4
Danielle M Dobney, Scott G Thomas, Tim Taha, Michelle Keightley
CONTEXT: Baseline testing is a common strategy for concussion assessment and management. Research continues to evaluate novel measures for potential to improve baseline testing methods. OBJECTIVES: The primary objective was to; 1) determine the feasibility of including physiological, neuromuscular and mood measures as part of baseline concussion testing protocol, 2) describe typical values in a varsity athlete sample, and 3) estimate the influence of concussion history on these baseline measures...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28512281/intricate-assessment-and-evaluation-of-long-term-implant-success-as-affected-by-clinicomicrobial-and-salivary-diagnostics-in-type-ii-diabetic-patients-a-longitudinal-study
#5
Deepti Raghav, Fawaz Alqahtani, Fatima J Albaker, Tushar V Bhagat, Zaheer Kola
INTRODUCTION: Replacement of missing teeth by dental implants is one of the most common methods employed these days. Because of significant advancement in the design of implants and modifications in the procedure of dental implant surgery, the survival rate of the dental implants has reached up to approximately 95%. Osseointegration is one of the important factors affecting the survival of dental implants. Apart from these, the body's physiologic alterations can also predispose the dental implants for failure...
May 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28509351/a-transcriptome-based-assessment-of-the-astrocytic-dystrophin-associated-complex-in-the-developing-human-brain
#6
Matthew J Simon, Charles Murchison, Jeffrey J Iliff
Astrocytes play a critical role in regulating the interface between the cerebral vasculature and the central nervous system. Contributing to this is the astrocytic endfoot domain, a specialized structure that ensheathes the entirety of the vasculature and mediates signaling between endothelial cells, pericytes, and neurons. The astrocytic endfoot has been implicated as a critical element of the glymphatic pathway, and changes in protein expression profiles in this cellular domain are linked to Alzheimer's disease pathology...
May 16, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28505478/dose-assessment-in-environmental-radiological-protection-state-of-the-art-and-perspectives
#7
REVIEW
Karolina Stark, José M Goméz-Ros, Jordi Vives I Batlle, Elisabeth Lindbo Hansen, Karine Beaugelin-Seiller, Lawrence A Kapustka, Michael D Wood, Clare Bradshaw, Almudena Real, Corynne McGuire, Thomas G Hinton
Exposure to radiation is a potential hazard to humans and the environment. The Fukushima accident reminded the world of the importance of a reliable risk management system that incorporates the dose received from radiation exposures. The dose to humans from exposure to radiation can be quantified using a well-defined system; its environmental equivalent, however, is still in a developmental state. Additionally, the results of several papers published over the last decade have been criticized because of poor dosimetry...
May 12, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28505044/new-technological-devices-for-the-assessment-of-systemic-inflammation-in-the-primary-prevention-of-cardiovascular-disease
#8
Antonio Ivan Lazzarino
PURPOSE OF REVIEW: The prediction of cardiovascular disease (CVD) events is of strategic importance for the primary prevention of one of the big killers in the world. Predictive models have a history of decades, but still the desired accuracy is not reached by any of the existing models. The inclusion of inflammatory factors in the models did not increase their accuracy. In this review, we discuss the possible reasons for that failure and we propose a paradigm shift. RECENT FINDINGS: Systemic inflammation is a very volatile phenomenon...
May 12, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28504300/effect-of-protection-against-hot-climate-on-growth-performance-physiological-response-and-endocrine-profile-of-growing-lambs-under-semi-arid-tropical-environment
#9
Kalyan De, Davendra Kumar, Anoop Kumar Singh, Kamal Kumar, Artabandhu Sahoo, Syed Mohammed Khursheed Naqvi
In the hot semi-arid tropical region, extreme summer is a major constraint in sheep production. The growth performance of growing lambs is impaired during the summer. Therefore, the present study was conducted to assess the effect of protection against hot climate on growth performance, physiological response, and endocrine profile of growing lambs under semi-arid tropical environment. All the data in the experiment were presented as mean ± SE. Thirty Malpura lambs with the age of 122.7 ± 6.05 days and body weight of 19...
May 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28500604/a-primer-to-angiotensin-peptide-isolation-stability-and-analysis-by-nano-liquid-chromatography-with-mass-detection
#10
Mariola Olkowicz, Stefan Chlopicki, Ryszard T Smolenski
The renin-angiotensin system (RAS) is an important element of cardiovascular and renal physiology and targeting the RAS by renin inhibitors, angiotensin (Ang) converting enzyme (ACE) inhibitors and Ang II type 1 receptor antagonists is effective in the treatment of hypertension, heart failure, and atherosclerosis. Quantification of Ang peptides is critical to establish the status of the RAS, but it is challenging due to low Ang peptides concentrations (fmol/mL or fmol/g), abundance of interfering substances, post sampling conversions, and difficulties with the specificity of the assay...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28497823/natural-products-modulating-the-herg-channel-heartaches-and-hope
#11
REVIEW
Jadel M Kratz, Ulrike Grienke, Olaf Scheel, Stefan A Mann, Judith M Rollinger
Covering: 1996-December 2016The human Ether-à-go-go Related Gene (hERG) channel is a voltage-gated potassium channel playing an essential role in the normal electrical activity in the heart. It is involved in the repolarization and termination of action potentials in excitable cardiac cells. Mutations in the hERG gene and hERG channel blockage by small molecules are associated with increased risk of fatal arrhythmias. Several drugs have been withdrawn from the market due to hERG channel-related cardiotoxicity...
May 12, 2017: Natural Product Reports
https://www.readbyqxmd.com/read/28495566/the-constraints-construction-and-verification-of-a-strain-specific-physiologically-based-pharmacokinetic-rat-model
#12
H Musther, M D Harwood, J Yang, D B Turner, A Rostami-Hodjegan, M Jamei
The use of in vitro-in vivo extrapolation (IVIVE) techniques, mechanistically incorporated within Physiologically-Based Pharmacokinetic (PBPK) models, can harness in vitro drug data and enhance understanding of in vivo pharmacokinetics. This study's objective was to develop a user-friendly rat (250g, male Sprague-Dawley) IVIVE linked PBPK model. A 13-compartment PBPK model including mechanistic absorption models was developed, with required system data (anatomical, physiological and relevant IVIVE scaling factors) collated from literature and analysed...
May 8, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28492183/evaluation-of-sup-13-sup-co-sub-2-sub-enrichment-values-obtained-with-an-oral-breath-test-under-conditions-of-impaired-gastric-functioning-sup-sup
#13
Josef Vogt, Ulrich Wachter, Peter Radermacher, Michael Georgieff, Daniel König, Walter Fabinski, Eberhard Barth
Gastric emptying can be assessed by an oral administration of a <sup>13</sup>C-labeled substrate and its response in the expiratory release of the oxidation product <sup>13</sup>CO<sub>2</sub>. Impaired gut function, reflected e.g. in an intolerance against enteral nutrition may delay or discontinue gastric emptying, potentially leading to multiple peaks in the time profile of expiration. The resulting profile cannot be analyzed by the usual data evaluation that is based on a 'beta-exponential' function (<i>BEX</i>)...
May 11, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28491094/immunoprofiling-of-adult-derived-human-liver-stem-progenitor-cells-impact-of-hepatogenic-differentiation-and-inflammation
#14
Hoda El-Kehdy, Camillo Sargiacomo, Mohammad Fayyad-Kazan, Hussein Fayyad-Kazan, Catherine Lombard, Laurence Lagneaux, Etienne Sokal, Mehdi Najar, Mustapha Najimi
Adult-derived human liver stem/progenitor cells (ADHLSCs) are, nowadays, developed as therapeutic medicinal product for the treatment of liver defects. In this study, the impact of hepatogenic differentiation and inflammation priming on the ADHLSCs' immune profile was assessed in vitro and compared to that of mature hepatocytes. The constitutive immunological profile of ADHLSCs was greatly different from that of hepatocytes. Differences in the expression of the stromal markers CD90 and CD105, adhesion molecules CD44 and CD49e, immunoregulatory molecules CD73 and HO-1, and NK ligands CD112 and CD155 were noted...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28490712/application-of-physiologically-based-pharmacokinetic-modeling-for-the-prediction-of-tofacitinib-exposure-in-japanese
#15
Misaki Suzuki, Susanna Tse, Midori Hirai, Yoichi Kurebayashi
Tofacitinib (3-[(3R,4R)-4-methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl]-3 -oxopropanenitrile) is an oral Janus kinase inhibitor that is approved in countries including Japan and the United States for the treatment of rheumatoid arthritis, and is being developed across the globe for the treatment of inflammatory diseases. In the present study, a physiologically-based pharmacokinetic model was applied to compare the pharmacokinetics of tofacitinib in Japanese and Caucasians to assess the potential impact of ethnicity on the dosing regimen in the two populations...
May 9, 2017: Kobe Journal of Medical Sciences
https://www.readbyqxmd.com/read/28488826/soccer-training-high-intensity-interval-training-is-mood-disturbing-while-small-sided-games-ensure-mood-balance
#16
Okba Selmi, Monoem Haddad, Lina Majed, Wissam Ben Khalifa, Marzougui Hamza, Karim Chamari
BACKGROUNDː The aim of the study was to compare the effects of high-intensity intermittent training (HIIT) versus small-sided games (SSG) in soccer on both the physiological responses and the mood state of players. METHODS: Sixteen professional soccer players took part in the study (age: 24.1±0.9 years). Testing of players was conducted on separate days in a randomized and counter-balanced order (each training session: 28-min: 4x4 minutes work with 3-min of passive recovery in-between)...
May 9, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28487698/physiologically-based-simulations-of-deuterated-glucose-for-quantifying-cell-turnover-in-humans
#17
Julio Lahoz-Beneytez, Stephan Schaller, Derek Macallan, Thomas Eissing, Christoph Niederalt, Becca Asquith
In vivo [6,6-(2)H2]-glucose labeling is a state-of-the-art technique for quantifying cell proliferation and cell disappearance in humans. However, there are discrepancies between estimates of T cell proliferation reported in short (1-day) versus long (7-day) (2)H2-glucose studies and very-long (9-week) (2)H2O studies. It has been suggested that these discrepancies arise from underestimation of true glucose exposure from intermittent blood sampling in the 1-day study. Label availability in glucose studies is normally approximated by a "square pulse" (Sq pulse)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28486481/temporal-changes-in-sphingolipids-and-systemic-insulin-sensitivity-during-the-transition-from-gestation-to-lactation
#18
J Eduardo Rico, Sina Saed Samii, Alice T Mathews, Jacqueline Lovett, Norman J Haughey, Joseph W McFadden
Reduced insulin action develops naturally during the peripartum to ensure maternal nutrient delivery to the fetus and neonate. However, increased insulin resistance can facilitate excessive lipolysis which in turn promotes metabolic disease in overweight dairy cattle. Increased fatty acid availability favors the accumulation of the sphingolipid ceramide and is implicated in the pathogenesis of insulin resistance, however, the relationship between sphingolipid metabolism and insulin resistance during the peripartum remains largely unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28484480/single-event-resolution-of-plant-plasma-membrane-protein-endocytosis-by-tirf-microscopy
#19
Alexander Johnson, Grégory Vert
Endocytosis is a key process in the internalization of extracellular materials and plasma membrane proteins, such as receptors and transporters, thereby controlling many aspects of cell signaling and cellular homeostasis. Endocytosis in plants has an essential role not only for basic cellular functions but also for growth and development, nutrient delivery, toxin avoidance, and pathogen defense. The precise mechanisms of endocytosis in plants remain quite elusive. The lack of direct visualization and examination of single events of endocytosis has greatly hampered our ability to precisely monitor the cell surface lifetime and the recruitment profile of proteins driving endocytosis or endocytosed cargos in plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28477202/acute-and-chronic-treatment-with-quetiapine-induces-antidepressant-like-behavior-and-exerts-antioxidant-effects-in-the-rat-brain
#20
Zuleide M Ignácio, Gislaine Z Réus, Helena M Abelaira, Airam B de Moura, Thays G de Souza, Danyela Matos, Mariana P Goldim, Khiany Mathias, Leandro Garbossa, Fabricia Petronilho, João Quevedo
Many studies note that changes in oxidative balance are involved in the pathogenesis of major depressive disorder (MDD) and in the success of some antidepressants. Quetiapine exerts a therapeutic response and induces changes in physiological mechanisms that appear to underlie MDD. The objective of this study was to evaluate the antidepressant and antioxidant effects of quetiapine (20 mg /kg) in adult animals. Sixty minutes after an acute treatment or the last administration of chronic treatment (14 days) with quetiapine, animals were subjected to the forced swimming test (FST) to evaluate mobility parameters...
May 6, 2017: Metabolic Brain Disease
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