Static and Dynamic Adaptation of Insect Photoreceptor Responses to Naturalistic Stimuli.

abstract：Background:Circulating cirrhotic endothelial progenitor cells (EPC) interact with both liver sinusoidal endothelial cells (LSEC) and hepatic stellate cells (HSC) and promote angiogenesis in vitro. This study evaluated the effect of cirrhotic and control EPCs on hepatic angiogenesis, microcirculation, and fibrosis in vi...

journal_title：Frontiers in physiology

authors： Tripathi DM,Hassan M,Siddiqui H,Kaur I,Rawal P,Bihari C,Kaur S,Sarin SK

更新日期：2020-06-11 00:00:00

abstract：:We examined structural properties of the marine mammal respiratory system, and tested Scholander's hypothesis that the chest is highly compliant by measuring the mechanical properties of the respiratory system in five species of pinniped under anesthesia (Pacific harbor seal, Phoca vitulina; northern elephant seal, Mi...

journal_title：Frontiers in physiology

authors： Fahlman A,Loring SH,Johnson SP,Haulena M,Trites AW,Fravel VA,Van Bonn WG

更新日期：2014-11-10 00:00:00

abstract：Background/Aims:Enterochromaffin cells (EC cells) constitute the largest population of enteroendocrine cells and release serotonin (5-HT) in response to mechanical and chemical cues of the gastrointestinal tract (GIT). How EC cells respond to altered microbiota such as due to antibiotic treatments remain poorly underst...

journal_title：Frontiers in physiology

authors： Zhu C,Gong H,Luo P,Dong L,Zhang G,Shi X,Rong W

更新日期：2020-12-23 00:00:00

abstract：:Electronic cigarettes (ECs) are a modern nicotine delivery system that rapidly grew in widespread use, particularly in younger populations. Given the long history of the comorbidity of alcohol and nicotine use, the rising prevalence of ECs raises the question as to their role in the consumption of alcohol. Of the nume...

journal_title：Frontiers in physiology

authors： Wetzel TJ,Wyatt TA

更新日期：2020-11-02 00:00:00

abstract：:Obesity is a worldwide epidemic disease that induces important structural and functional changes to the heart and predisposes a patient to devastating cardiac complications. Sirtuin1 (SIRT1) has been found to have roles in regulating cardiac function, but whether it can help in cardioprotection is not clear. The aim o...

journal_title：Frontiers in physiology

authors： Favero G,Franco C,Stacchiotti A,Rodella LF,Rezzani R

更新日期：2020-03-11 00:00:00

abstract：:In the present study, we examined the effects of central administration of Urotensin II on blood pressure, heart rate, and baroreceptor heart rate reflexes in conscious normotensive rabbits. Preliminary operations were undertaken to implant a balloon cuff on the inferior vena cava for baroreflex assessments and to imp...

journal_title：Frontiers in physiology

authors： Lim K,Sata Y,Jackson KL,Burke SL,Head GA

更新日期：2017-02-23 00:00:00

abstract：:RNAi is applied as a new and safe method for pest control in agriculture but efficiency and specificity of delivery of dsRNA trigger remains a critical issue. Various agents have been proposed to augment dsRNA delivery, such as engineered micro-organisms and synthetic nanoparticles, but the use of viruses has received...

journal_title：Frontiers in physiology

authors： Kolliopoulou A,Taning CNT,Smagghe G,Swevers L

更新日期：2017-06-14 00:00:00

abstract：:Skeletal myofibers are injured due to mechanical stresses experienced during physical activity, or due to myofiber fragility caused by genetic diseases. The injured myofiber needs to be repaired or regenerated to restore the loss in muscle tissue function. Myofiber repair and regeneration requires coordinated action o...

journal_title：Frontiers in physiology

authors： Bittel DC,Jaiswal JK

更新日期：2019-07-18 00:00:00

abstract：:Adipose tissue, dietary lipids and de novo lipogenesis are sources of hepatic free fatty acids (FFAs) that are stored in lipid droplets (LDs) as triacylglycerols (TAGs). Destiny of TAGs stored in LDs is determined by LD proteomic equipment. When adipose triglyceride lipase (ATGL) localizes at LD surface the lipid mobi...

journal_title：Frontiers in physiology

authors： Grasselli E,Voci A,Demori I,Vecchione G,Compalati AD,Gallo G,Goglia F,De Matteis R,Silvestri E,Vergani L

更新日期：2016-01-12 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：:Local purinergic signals modulate renal tubular transport. Acute activation of renal epithelial P2 receptors causes inhibition of epithelial transport and thus, should favor increased water and salt excretion by the kidney. So far only a few studies have addressed the effects of extracellular nucleotides on ion transp...

journal_title：Frontiers in physiology

authors： Marques RD,Praetorius HA,Leipziger J

更新日期：2013-10-09 00:00:00

abstract：:Reperfusion of ischemic cardiac tissue is the standard treatment for improving clinical outcome following myocardial infarction but is inevitably associated with ischemia-reperfusion injury (IRI). Ischemic myocardial injury can be alleviated by exposing the heart to brief episodes of sublethal ischemia-reperfusion pri...

journal_title：Frontiers in physiology

authors： Martin-Puig S,Tello D,Aragonés J

更新日期：2015-05-20 00:00:00

abstract：:Polarized (POL) training intensity distribution (TID) emphasizes high-volume low-intensity exercise in zone (Z)1 (< first lactate threshold) with a greater proportion of high-intensity Z3 (>second lactate threshold) compared to Z2 (between first and second lactate threshold). In highly trained rowers there is a lack o...

journal_title：Frontiers in physiology

authors： Treff G,Winkert K,Sareban M,Steinacker JM,Becker M,Sperlich B

更新日期：2017-08-02 00:00:00

abstract：:Temperature is an important abiotic factor that drives the evolution of ectotherms owing to its pervasive effects at all levels of organization. Although a species' thermal tolerance is environmentally driven within a spatial cline, it may be constrained over time due to differential phylogenetic inheritance. At the l...

journal_title：Frontiers in physiology

authors： Faria SC,Bianchini A,Lauer MM,Zimbardi ALRL,Tapella F,Romero MC,McNamara JC

更新日期：2020-04-24 00:00:00

abstract：:Directed cell migration is essential all along an individual's life, from embryogenesis to tissue repair and cancer metastasis. Thus, due to its biomedical relevance, directed cell migration is currently under intense research. Directed cell migration has been shown to be driven by an assortment of external biasing cu...

journal_title：Frontiers in physiology

authors： Barriga EH,Theveneau E

更新日期：2020-11-25 00:00:00

abstract：:Neurotransmitters released from sympathetic and parasympathetic nerve terminals in the sinoatrial node (SAN) exert their effects via G-protein-coupled receptors. Integration of these different G-protein signals within pacemaker cells of the SAN is critical for proper regulation of heart rate and function. For example,...

journal_title：Frontiers in physiology

authors： Mighiu AS,Heximer SP

更新日期：2012-06-13 00:00:00

abstract：:Tyrophagus putrescentiae (Schrank, 1781) is an emerging source of allergens in stored products and homes. Feces proteases are the major allergens of astigmatid mites (Acari: Acaridida). In addition, the mites are carriers of microorganisms and microbial adjuvant compounds that stimulate innate signaling pathways. We s...

journal_title：Frontiers in physiology

authors： Erban T,Rybanska D,Harant K,Hortova B,Hubert J

更新日期：2016-02-24 00:00:00

abstract：:The Paramisgurnus dabryanus was exposed to air to assess the changes in plasma, liver and muscle free amino acid (FAA) contents. The FAA concentrations in plasma, liver and muscle of P. dabryanus were significantly affected by aerial exposure (P < 0.05). After 12 h of aerial exposure, the plasma glutamate contents inc...

journal_title：Frontiers in physiology

authors： Zhang YL,Wang GY,Zhang ZH,Xie YY,Jin H,Dong ZR

更新日期：2019-01-29 00:00:00

abstract：:Red blood cell nitric oxide synthase (RBC-NOS) dependent NO production positively affects RBC deformability which is known to improve oxygen supply to the working tissue. Whole-body electrostimulation (WB-EMS) has been shown to improve maximum strength, sprinting and jumping performance, and to increase deformability ...

journal_title：Frontiers in physiology

authors： Filipovic A,Bizjak D,Tomschi F,Bloch W,Grau M

更新日期：2019-05-09 00:00:00

abstract：:We previously demonstrated that ureteral obstruction is associated with a urinary concentrating defect and reduced expression of renal aquaporins (AQPs), in which the renin-angiotensin system (RAS) may play an important role. The aims of the present study were to examine whether the renin inhibitor aliskiren could pre...

journal_title：Frontiers in physiology

authors： Hu S,Xie H,Luo R,Feng P,Liu Q,Han M,Kong Y,Zou X,Wang W,Li C

更新日期：2019-09-13 00:00:00

abstract：:In mammals, there are two types of urea transporters; urea transporter (UT)-A and UT-B. The UT-A transporters are mainly expressed in kidney epithelial cells while UT-B demonstrates a broader distribution in kidney, heart, brain, testis, urinary tract, and other tissues. Over the past few years, multiple urea transpor...

journal_title：Frontiers in physiology

authors： Li X,Chen G,Yang B

更新日期：2012-06-26 00:00:00

abstract：:Anthropogenic climate change exposes marine organisms to CO2 induced ocean acidification (OA). Marine animals may make physiological and behavioral adaptations to cope with OA. Elevated pCO2 may affect metabolism, feeding, and energy partition of marine crabs, and thereby affect their predator-prey dynamics with musse...

journal_title：Frontiers in physiology

authors： Wang Y,Hu M,Wu F,Storch D,Pörtner HO

更新日期：2018-08-21 00:00:00

abstract：:Although a causal link between chronic inflammation and cancer has been established, the exact molecular mechanism linking inflammation to cancer remains largely unknown. It was previously postulated that molecular switches responsible for cancer cell development, and for infiltration of inflammatory cells into cancer...

journal_title：Frontiers in physiology

authors： Liu ST,Pham H,Pandol SJ,Ptasznik A

更新日期：2014-01-16 00:00:00

abstract：:The present study aims (1) to evaluate ratings of perceived exertion (RPE) and corresponding intensities during a maximal graded cycling test and (2) to determine the effects of 6 weeks of supramaximal cycling exercise (SCE) intervention on RPE and associated physiological factors in young and older sedentary groups. ...

journal_title：Frontiers in physiology

authors： Jabbour G,Majed L

更新日期：2018-10-25 00:00:00

abstract：:Manual massage and foam rolling are commonly used by athletes for warm-up and recovery, as well as by healthy individuals for well-being. Manual massage is an ancient practice requiring the intervention of an experienced physiotherapist, while foam rolling is a more recent self-administered technique. These two topics...

journal_title：Frontiers in physiology

authors： Kerautret Y,Di Rienzo F,Eyssautier C,Guillot A

更新日期：2020-12-21 00:00:00

abstract：:In aged subjects, late-onset Alzheimer's disease (LOAD) starts in the lateral entorhinal allocortex where a failure of clearance mechanisms triggers an accumulation of neurotoxic amyloid-β42 oligomers (Aβ42-os). In neurons and astrocytes, Aβ42-os enhance the transcription of Aβ precursor protein (APP) and β-secretase/...

journal_title：Frontiers in physiology

authors： Chiarini A,Armato U,Liu D,Dal Prà I

更新日期：2016-04-26 00:00:00

abstract：:While it is widely known that marine mammals possess adaptations which allow them to make repetitive and extended dives to great depths without suffering ill effects seen in humans, the response of marine mammal immune cells to diving is unknown. Renewed interest in marine mammal dive physiology has arisen due to repo...

journal_title：Frontiers in physiology

authors： Thompson LA,Romano TA

更新日期：2015-05-06 00:00:00

abstract：:Caveolae are membrane micro-domains enriched in cholesterol, sphingolipids and caveolins, which are transmembrane proteins with a hairpin-like structure. Caveolae participate in receptor-mediated trafficking of cell surface receptors and receptor-mediated signaling. Furthermore, caveolae participate in clathrin-indepe...

journal_title：Frontiers in physiology

authors： Navarro G,Borroto-Escuela DO,Fuxe K,Franco R

更新日期：2014-09-30 00:00:00

abstract：:Domestic pig molars provide an interesting system to study the biomineralization process. The large size, thick enamel and complex crown morphology make pig molars relatively similar to human molars. However, compared to human molars, pig molars develop considerably faster. Here we use microCT to image the developing ...

journal_title：Frontiers in physiology

authors： Sova SS,Tjäderhane L,Heikkilä PA,Jernvall J

更新日期：2018-02-09 00:00:00

abstract：:Finding an optimum for the cycling performance is not a trivial matter, since the literature shows the presence of many controversial aspects. In order to quantify different levels of performance, several indexes have been defined and used in many studies, reflecting variations in physiological and biomechanical facto...

journal_title：Frontiers in physiology

authors： Castronovo AM,Conforto S,Schmid M,Bibbo D,D'Alessio T

更新日期：2013-05-21 00:00:00