Metabolic and hormonal signatures in pre-manifest and manifest Huntington's disease patients.

abstract：:Trehalases (treh) have been found in different organisms, such as bacteria, fungi, yeast, nematodes, insects, vertebrates, and plants. Their biochemical properties are extremely variable and not yet fully understood. Gene expression patterns have shown differences among insect species suggesting a potential functional...

journal_title：Frontiers in physiology

authors： Nardelli A,Vecchi M,Mandrioli M,Manicardi GC

更新日期：2019-02-15 00:00:00

abstract：:Remote focussing microscopy allows sharp, in-focus images to be acquired at high speed from outside of the focal plane of an objective lens without any agitation of the specimen. However, without careful optical alignment, the advantages of remote focussing microscopy could be compromised by the introduction of depth-...

journal_title：Frontiers in physiology

authors： Corbett AD,Burton RA,Bub G,Salter PS,Tuohy S,Booth MJ,Wilson T

更新日期：2014-10-08 00:00:00

abstract：:A variety of biological networks can be modeled as logical or Boolean networks. However, a simplification of the reality to binary states of the nodes does not ease the difficulty of analyzing the dynamics of large, complex networks, such as signal transduction networks, due to the exponential dependence of the state ...

journal_title：Frontiers in physiology

authors： Pentzien T,Puniya BL,Helikar T,Matache MT

更新日期：2018-08-31 00:00:00

abstract：Introduction:Adenosine is an ATP derivative that is strongly implicated in the cardiovascular adaptive response to exercise. In this study, we hypothesized that during exercise the hyperemia, commonly observed during exercise in air, was counteracted by the downregulation of the adenosinergic pathway during hyperoxic e...

journal_title：Frontiers in physiology

authors： Boussuges A,Rives S,Marlinge M,Chaumet G,Vallée N,Guieu R,Gavarry O

更新日期：2020-02-11 00:00:00

abstract：:An increase in calorie consumption is associated with the recent rise in obesity prevalence. However, our current understanding of the effects of nutrient excess on major metabolic pathways appears insufficient to develop safe and effective metabolic interventions to prevent obesity. Hence, we sought to identify syste...

journal_title：Frontiers in physiology

authors： Sansbury BE,Bhatnagar A,Hill BG

更新日期：2014-11-25 00:00:00

abstract：:The impact of peritoneal dialysis (PD) associated peritonitis on peritoneal membrane integrity is incompletely understood. Children are particularly suited to address this question, since they are largely devoid of preexisting tissue damage and life-style related alterations. Within the International Peritoneal Bioban...

journal_title：Frontiers in physiology

authors： Bartosova M,Schaefer B,Vondrak K,Sallay P,Taylan C,Cerkauskiene R,Dzierzega M,Milosevski-Lomic G,Büscher R,Zaloszyc A,Romero P,Lasitschka F,Warady BA,Schaefer F,Ujszaszi A,Schmitt CP

更新日期：2019-04-02 00:00:00

abstract：:The goal here is to describe our current understanding of heme metabolism and the deleterious effects of "free" heme on immunological processes, endothelial function, systemic inflammation, and various end-organ tissues (e.g., kidney, lung, liver, etc.), with particular attention paid to the role of hemopexin (HPX). B...

journal_title：Frontiers in physiology

authors： Smith A,McCulloh RJ

更新日期：2015-06-30 00:00:00

abstract：:Purpose: Few large-scale population-based studies have adequately examined the relationships between steroid hormones, health status and physical fitness. The purpose of the study was to describe the relationship of serum basal endogenous steroid hormones (testosterone, TES; empirical free testosterone, EFT; cortisol,...

journal_title：Frontiers in physiology

authors： Gagnon SS,Nindl BC,Vaara JP,Santtila M,Häkkinen K,Kyröläinen H

更新日期：2018-07-27 00:00:00

abstract：:People over 65 years of age constitute over 80% of patients with heart failure (HF) and the incidence of HF is 10 per 1,000 in people aged above 65 years. Approximately 25% of older patients with HF exhibit evidence of frailty. Frail patients with cardiovascular disease (CVD) have a worse prognosis than non-frail pati...

journal_title：Frontiers in physiology

authors： Uchmanowicz I,Nessler J,Gobbens R,Gackowski A,Kurpas D,Straburzynska-Migaj E,Kałuzna-Oleksy M,Jankowska EA

更新日期：2019-07-03 00:00:00

abstract：:Sex determination/sex differentiation is determined by genetics, environmental factors, or the interactions of the two. The Transformer-2 (Tra-2) gene plays an important role in the sex determination cascade signal pathway in insects. In this study, the Tra-2 gene was isolated and characterized from the cDNA library o...

journal_title：Frontiers in physiology

authors： Cai L,Zheng J,Jia Y,Gu Z,Liu S,Chi M,Cheng S

更新日期：2020-07-09 00:00:00

abstract：:Aims: Simultaneous measurement of right (RV) and left ventricle (LV) myocardial blood flow (MBF), oxygen extraction fraction (OEF), and oxygen consumption (MVO2) non-invasively in humans would provide new possibilities to understand cardiac physiology and different patho-physiological states. Methods: We developed and...

journal_title：Frontiers in physiology

authors： Kudomi N,Kalliokoski KK,Oikonen VJ,Han C,Kemppainen J,Sipilä HT,Knuuti J,Heinonen IHA

更新日期：2019-06-19 00:00:00

abstract：:This study was designed to investigate whether oxidative stress, nitric oxide (NO) deficiency and/or endothelial dysfunction (ED) are present in young borderline hypertensive rats (BHR) and whether these pathologies can be causally involved in the initiation of blood pressure (BP) increases. Additionally, we tested th...

journal_title：Frontiers in physiology

authors： Bernatova I,Puzserova A,Balis P,Sestakova N,Horvathova M,Kralovicova Z,Zitnanova I

更新日期：2018-08-29 00:00:00

abstract：:FXYD proteins are important regulators of Na+/K+-ATPase (NKA) activity in mammals. As an inhabitant of estuaries, the pufferfish (Tetraodon nigroviridis) responds to ambient salinity changes with efficient osmoregulation, including alterations in branchial, and renal NKA activities. Previous studies on teleostean FXYD...

journal_title：Frontiers in physiology

authors： Wang PJ,Yang WK,Lin CH,Hwang HH,Lee TH

更新日期：2017-08-08 00:00:00

abstract：:Spinal cord injury (SCI) causes chronic peripheral sensitization of nociceptors and persistent generation of spontaneous action potentials (SA) in peripheral branches and the somata of hyperexcitable nociceptors within dorsal root ganglia (DRG). Here it is proposed that SCI triggers in numerous nociceptors a persisten...

journal_title：Frontiers in physiology

authors： Walters ET

更新日期：2012-08-02 00:00:00

abstract：:This study evaluated the effects of continuous and intermittent blood flow restriction (BFR) with 70% of full arterial occlusion pressure on bar velocity during the bench press exercise against a wide range of resistive loads. Eleven strength-trained males (age: 23.5 ± 1.4 years; resistance training experience: 2.8 ± ...

journal_title：Frontiers in physiology

authors： Wilk M,Gepfert M,Krzysztofik M,Stastny P,Zajac A,Bogdanis GC

更新日期：2020-11-27 00:00:00

abstract：:Background: In an aging population, regular physical activity (PA) and exercise have been recognized as important factors in maintaining physical function and thereby preventing loss of independence and disability. However, (older) adults spent the majority of their day sedentary and therefore insight into the consequ...

journal_title：Frontiers in physiology

authors： van der Velde JHPM,Savelberg HHCM,van der Berg JD,Sep SJS,van der Kallen CJH,Dagnelie PC,Schram MT,Henry RMA,Reijven PLM,van Geel TACM,Stehouwer CDA,Koster A,Schaper NC

更新日期：2017-04-25 00:00:00

abstract：:Zymogens are delivered to the arterial wall by radial transmural convection. Plasminogen can be activated within the arterial wall to produce plasmin, which is involved in evolution of the atherosclerotic plaque. Vascular smooth muscle cells (vSMCs) protect the vessels from proteolytic injury due to atherosclerosis de...

journal_title：Frontiers in physiology

authors： Boukais K,Bayles R,Borges Lde F,Louedec L,Boulaftali Y,Ho-Tin-Noé B,Arocas V,Bouton MC,Michel JB

更新日期：2016-06-30 00:00:00

abstract：:Spodoptera exigua and S. litura are two sympatric species in China and many other countries. Both moths employ a multiple component sex pheromone blend, including a common component Z9,E12-14:OAc, and two specific components Z9-14:OH and Z11-16:OAc for S. exigua, and one specific component Z9,E11-14:OAc for S. litura....

journal_title：Frontiers in physiology

authors： Yan Q,Liu XL,Wang YL,Tang XQ,Shen ZJ,Dong SL,Deng JY

更新日期：2019-09-27 00:00:00

abstract：:Red blood cell (RBC) deformability is an important determinant of the microcirculation. It is influenced by various hematological parameters but also by nitric oxide (NO) which is produced in RBC from L-arginine by RBC-NO synthase. Longitudinal studies on blood profile, deformability at rest and NO levels but also dif...

journal_title：Frontiers in physiology

authors： Grau M,Cremer JM,Schmeichel S,Kunkel M,Bloch W

更新日期：2018-12-19 00:00:00

abstract：:Biological aging is an inevitable part of life that has intrigued individuals for millennia. The progressive decline in biological systems impacts cardiac function and increases vulnerability to stress contributing to morbidity and mortality in aged individuals. Yet, our understanding of the molecular, biochemical and...

journal_title：Frontiers in physiology

authors： Jamieson KL,Keshavarz-Bahaghighat H,Darwesh AM,Sosnowski DK,Seubert JM

更新日期：2020-02-07 00:00:00

abstract：:Resting-state EEG signals undergo rapid transition processes (RTPs) that glue otherwise stationary epochs. We study the fractal properties of RTPs in space and time, supporting the hypothesis that the brain works at a critical state. We discuss how the global intermittent dynamics of collective excitations is linked t...

journal_title：Frontiers in physiology

authors： Allegrini P,Paradisi P,Menicucci D,Gemignani A

更新日期：2010-09-15 00:00:00

abstract：:Fatigue is one of the most debilitating symptoms of multiple sclerosis (MS), and the underlying mechanisms are poorly understood. When exposed to a physical or cognitive challenge, individuals with MS tend to exhibit greater declines in task performance (performance fatigability) and increased levels of self-reported ...

journal_title：Frontiers in physiology

authors： Gould JR,Reineberg AE,Cleland BT,Knoblauch KE,Clinton GK,Banich MT,Corboy JR,Enoka RM

更新日期：2018-10-17 00:00:00

abstract：:The transient receptor potential vanilloid member 1 (TRPV1) in the central nervous system may contribute to homeostatic plasticity by regulating intracellular Ca2+, which becomes unbalanced in age-related neurodegenerative diseases, including Alzheimer's and Huntington's. Glaucomatous optic neuropathy - the world's le...

journal_title：Frontiers in physiology

authors： McGrady NR,Risner ML,Vest V,Calkins DJ

更新日期：2020-03-26 00:00:00

abstract：:It is commonly believed that higher values of heart rate variability (HRV) indices account for better organization of the network of feedback reflexes driving an organism's response to actual bodily needs. In order to evaluate this organization in heart transplant (HTX) recipients, 58 nocturnal Holter signals of 14 HT...

journal_title：Frontiers in physiology

authors： Wdowczyk J,Makowiec D,Gruchała M,Wejer D,Struzik ZR

更新日期：2018-04-09 00:00:00

abstract：:The analysis of human brain functional networks is achieved by computing functional connectivity indices reflecting phase coupling and interactions between remote brain regions. In magneto- and electroencephalography, the most frequently used functional connectivity indices are constructed based on Fourier-based cross...

journal_title：Frontiers in physiology

authors： La Rocca D,Wendt H,van Wassenhove V,Ciuciu P,Abry P

更新日期：2021-01-07 00:00:00

abstract：:An early event in atherogenesis is the recruitment and infiltration of circulating monocytes and macrophage activation in the subendothelial space. Atherosclerosis subsequently progresses as a unresolved inflammatory disease, particularly in hypercholesterolemic conditions. Although physical exercise training has been...

journal_title：Frontiers in physiology

authors： Rentz T,Wanschel ACBA,de Carvalho Moi L,Lorza-Gil E,de Souza JC,Dos Santos RR,Oliveira HCF

更新日期：2020-11-23 00:00:00

abstract：:Tubular aggregates (TAs) in skeletal muscle fibers are unusual accumulation of sarcoplasmic reticulum (SR) tubes that are found in different disorders including TA myopathy (TAM). TAM is a muscular disease characterized by muscle pain, cramping, and weakness that has been recently linked to mutations in STIM1 and ORAI...

journal_title：Frontiers in physiology

authors： Boncompagni S,Pecorai C,Michelucci A,Pietrangelo L,Protasi F

更新日期：2021-01-05 00:00:00

abstract：:Heart failure and frailty are clinical syndromes that present with overlapping phenotypic characteristics. Importantly, their co-presence is associated with increased mortality and morbidity. While mechanical and electrical device therapies for heart failure are vital for select patients with advanced stage disease, t...

journal_title：Frontiers in physiology

authors： Fung E,Hui E,Yang X,Lui LT,Cheng KF,Li Q,Fan Y,Sahota DS,Ma BHM,Lee JSW,Lee APW,Woo J

更新日期：2018-04-24 00:00:00

abstract：Background:Several mechanisms allow humans to resist the extreme conditions encountered during breath-hold diving. Available nitric oxide (NO) is one of the major contributors to such complex adaptations at depth and oxidative stress is one of the major collateral effects of diving. Due to technical difficulties, these...

journal_title：Frontiers in physiology

authors： Cialoni D,Brizzolari A,Samaja M,Bosco G,Paganini M,Pieri M,Lancellotti V,Marroni A

更新日期：2021-01-07 00:00:00

abstract：:During the process of fatty liver production by overfeeding, the levels of endogenous metabolites in the serum of geese would change dramatically. This study investigated the effects of overfeeding on serum metabolism of Landes geese and the underlying mechanisms using a metabolomics approach. Sixty Landes geese of th...

journal_title：Frontiers in physiology

authors： Gong Y,Lyu W,Shi X,Zou X,Lu L,Yang H,Xiao Y

更新日期：2020-12-14 00:00:00