Remineralization and repair of enamel surface by biomimetic Zn-carbonate hydroxyapatite containing toothpaste: a comparative in vivo study.

abstract：:Background: The superior cervical ganglion (SCG) of the autonomic nervous system plays an important role in different cardiovascular diseases. In this study, we investigated the effects of ischemia and fluvastatin treatment on the ion channel characteristics of SCG neurons in a rabbit myocardial ischemia (MI) model. M...

journal_title：Frontiers in physiology

authors： Cheng L,Wang X,Liu T,Tse G,Fu H,Li G

更新日期：2018-09-10 00:00:00

abstract：:[This corrects the article DOI: 10.3389/fphys.2019.01574.]. ...

journal_title：Frontiers in physiology

authors： Figueroa VA,Jara O,Oliva CA,Ezquer M,Ezquer F,Retamal MA,Martínez AD,Altenberg GA,Vargas AA

更新日期：2020-02-11 00:00:00

abstract：BACKGROUND:Recent findings strongly promoted the hypothesis that common pelvic gynecological diseases including endometriosis and ovarian neoplasia may develop de novo from ectopic endometrial-like glands and/or embryonic epithelial remnants. To verify the frequency, the anatomical localization and the phenotype of mis...

journal_title：Frontiers in physiology

authors： Bouquet de Jolinière J,Ayoubi JM,Lesec G,Validire P,Goguin A,Gianaroli L,Dubuisson JB,Feki A,Gogusev J

更新日期：2012-12-03 00:00:00

abstract：:The purpose of this study is to quantitatively analyze the effect of an ectopic beat on heart rate variability (HRV) in the time domain, frequency domain, and in a non-linear analysis. A quantitative analysis was carried out by generating artificial ectopic beats that probabilistically contained a missed beat or a fal...

journal_title：Frontiers in physiology

authors： Choi A,Shin H

更新日期：2018-07-12 00:00:00

abstract：:Glucagon counterregulation (GCR) protects against hypoglycemia, but is impaired in type 1 diabetes (T1DM). A model-based analysis of in vivo animal data predicts that the GCR defects are linked to basal hyperglucagonemia. To test this hypothesis we studied the relationship between basal glucagon (BasG) and the GCR res...

journal_title：Frontiers in physiology

authors： Farhy LS,Chan A,Breton MD,Anderson SM,Kovatchev BP,McCall AL

更新日期：2012-02-28 00:00:00

abstract：:Theoretical cardiac electrophysiology focuses on the dynamics of the membrane and sarcoplasmic reticulum ion currents; however, passive (e.g., membrane capacitance) and quasi-active (response to small signals) properties of the cardiac sarcolemma, which are quantified by impedance, are also important in determining th...

journal_title：Frontiers in physiology

authors： Iravanian S,Herndon C,Langberg JJ,Fenton FH

更新日期：2019-07-09 00:00:00

abstract：:A new concept of non-rapid eye movement (NREM) and rapid eye movement (REM) sleep is proposed, that of multi-component integrative states that define stable and unstable sleep, respectively, NREMS, NREMUS REMS, and REMUS. Three complementary data sets are used: obstructive sleep apnea (20), healthy subjects (11), and ...

journal_title：Frontiers in physiology

authors： Wood C,Bianchi MT,Yun CH,Shin C,Thomas RJ

更新日期：2020-12-03 00:00:00

abstract：:Objective: Unexpectedly wide distribution (<10 to >90%) of hemoglobin oxygen saturation (sO2) within red cell concentrates (RCCs) has recently been observed. Causes of such variability are not yet completely explained whereas the roles of oxygen and oxidative lesions during the storage of RCCs are known. The objective...

journal_title：Frontiers in physiology

authors： Bardyn M,Martin A,Dögnitz N,Abonnenc M,Dunham A,Yoshida T,Prudent M

更新日期：2020-12-23 00:00:00

abstract：:The large amount of energy expended during flapping flight is associated with heat generated through the increased work of the flight muscles. This increased muscle work rate can manifest itself in core body temperature (Tb) increase of 1-2°C in birds during flight. Therefore, episodic body cooling may be mandatory in...

journal_title：Frontiers in physiology

authors： Guillemette M,Polymeropoulos ET,Portugal SJ,Pelletier D

更新日期：2017-07-25 00:00:00

abstract：:This study aimed to simultaneously examine the differences of human nerve conduction velocity (NCV) and nerve cross-sectional area (nCSA) between the upper and lower limbs and between different regions of the upper and lower limbs. Thirty healthy subjects volunteered for the study. NCV and nCSA of the ulnar and tibial...

journal_title：Frontiers in physiology

authors： Nobue A,Kunimasa Y,Tsuneishi H,Sano K,Oda H,Ishikawa M

更新日期：2020-12-03 00:00:00

abstract：:Cell function and survival are controlled by intracellular signals, and modulated by surrounding cells and the extracellular environment. Connexin channels participate in these processes by mediating cell-to-cell communication. In bone cells, gap junction channels were detected in the early 1970s, and are present amon...

journal_title：Frontiers in physiology

authors： Plotkin LI

更新日期：2014-04-04 00:00:00

abstract：:The main purpose was to analyze quantitatively the the average surface EMGs of the muscles that function around the elbow and shoulder joints of both arms in bimanual "rowing" movements, which were produced under identical elastic loads applied to the levers ("oars"). The muscles of PM group ("pulling" muscles: elbow ...

journal_title：Frontiers in physiology

authors： Tomiak T,Gorkovenko AV,Tal'nov AN,Abramovych TI,Mishchenko VS,Vereshchaka IV,Kostyukov AI

更新日期：2015-11-27 00:00:00

abstract：:Skeletal muscles are the largest cells in the body and are one of the few syncytial ones. There is a longstanding belief that a given nucleus controls a defined volume of cytoplasm, so when a muscle grows (hypertrophy) or shrinks (atrophy), the number of myonuclei change accordingly. This phenomenon is known as the "m...

journal_title：Frontiers in physiology

authors： Schwartz LM

更新日期：2019-01-25 00:00:00

abstract：:Background: Subthalamic Nucleus Deep Brain Stimulation (STN-DBS) is highly effective in alleviating motor symptoms of Parkinson's disease (PD) which are not optimally controlled by dopamine replacement therapy. Clinical studies and reports suggest that STN-DBS may result in increased impulsivity and de novo impulse co...

journal_title：Frontiers in physiology

authors： Mandali A,Chakravarthy VS,Rajan R,Sarma S,Kishore A

更新日期：2016-11-29 00:00:00

abstract：:Human induced pluripotent stem cell derived cardiomyocytes (iPSC-CMs) have applications in disease modeling, cell therapy, drug screening and personalized medicine. Computational models can be used to interpret experimental findings in iPSC-CMs, provide mechanistic insights, and translate these findings to adult cardi...

journal_title：Frontiers in physiology

authors： Lei CL,Wang K,Clerx M,Johnstone RH,Hortigon-Vinagre MP,Zamora V,Allan A,Smith GL,Gavaghan DJ,Mirams GR,Polonchuk L

更新日期：2017-12-12 00:00:00

abstract：:The pre-occlusal eruption brings the molars into functional occlusion and initiates tensional strains during mastication. We hypothesized that upon establishment of occlusal contact, the periodontal ligament (PDL) undergoes cell and extracellular matrix maturation to adapt to this mechanical function. The PDL of 12 Wi...

journal_title：Frontiers in physiology

authors： Denes BJ,Ait-Lounis A,Wehrle-Haller B,Kiliaridis S

更新日期：2020-03-05 00:00:00

abstract：:The effect of training status on post-exercise flow-mediated dilation (FMD) is not well characterized. We tested the hypothesis that the more trained the subjects, the lower the reduction in FMD after an acute bout of aerobic exercise. Forty-seven men (mean ± SD, age: 20.1 ± 1.2 years, body mass: 75.5 ± 5.1 kg, height...

journal_title：Frontiers in physiology

authors： Kapilevich LV,Kologrivova VV,Zakharova AN,Mourot L

更新日期：2020-05-08 00:00:00

abstract：:Neointimal hyperplasia is amongst the major causes of failure of bypass grafts. The disease progression varies from patient to patient due to a range of different factors. In this paper, a mathematical model will be used to understand neointimal hyperplasia in individual patients, combining information from biological...

journal_title：Frontiers in physiology

authors： Donadoni F,Pichardo-Almarza C,Bartlett M,Dardik A,Homer-Vanniasinkam S,Díaz-Zuccarini V

更新日期：2017-04-18 00:00:00

abstract：:As clinicians attempt to understand the underlying reasons for the vulnerability of different regions of the developing brain to injury, it is apparent that little is known as to how hypoxia-ischemia may affect the cerebrovasculature in the developing infant. Most of the research investigating the pathogenesis of peri...

journal_title：Frontiers in physiology

authors： Baburamani AA,Ek CJ,Walker DW,Castillo-Melendez M

更新日期：2012-11-09 00:00:00

abstract：:To understand dynamic changes in polyamines (PAs) forms and components of polyamine metabolism in zoysiagrass (Zoysia japonica Steud.) response to salt stress with exogenous spermidine (Spd) application, two Chinese zoysia cultivars, z081 and z057, were exposed to sodium chloride stress for 2, 4, 6, and 8 days. The z0...

journal_title：Frontiers in physiology

authors： Li S,Cui L,Zhang Y,Wang Y,Mao P

更新日期：2017-04-06 00:00:00

abstract：:Sensory receptors, including olfactory receptors (ORs), taste receptors (TRs), and opsins (Opns) have recently been found in a variety of non-sensory tissues where they have distinct physiological functions. As G protein-coupled receptors (GPCRs), these proteins can serve as important chemosensors by sensing and inter...

journal_title：Frontiers in physiology

authors： Kurtz R,Steinberg LG,Betcher M,Fowler D,Shepard BD

更新日期：2020-10-06 00:00:00

abstract：:Autophagy, or cellular self-eating, is a tightly regulated cellular pathway the main purpose of which is lysosomal degradation and subsequent recycling of cytoplasmic material to maintain normal cellular homeostasis. Defects in autophagy are linked to a variety of pathological states, including cancer. Cancer is the d...

journal_title：Frontiers in physiology

authors： Kondratskyi A,Yassine M,Kondratska K,Skryma R,Slomianny C,Prevarskaya N

更新日期：2013-10-02 00:00:00

abstract：:Purpose: To examine the effects of deceptively aggressive bike pacing on performance, pacing, and associated physiological and perceptual responses during simulated sprint-distance triathlon. Methods: Ten non-elite, competitive male triathletes completed three simulated sprint-distance triathlons (0.75 km swim, 500 kJ...

journal_title：Frontiers in physiology

authors： Taylor D,Smith MF

更新日期：2017-01-24 00:00:00

abstract：:We present here a longitudinal study determining the effects of two 3 week-periods of high intensity high volume interval training (HIHVT) (90 intervals of 6 s cycling at 250% maximum power, Pmax/24 s) on a cycle ergometer. HIHVT was evaluated by comparing performance tests before and after the entire training (baseli...

journal_title：Frontiers in physiology

authors： Eigendorf J,May M,Friedrich J,Engeli S,Maassen N,Gros G,Meissner JD

更新日期：2018-05-29 00:00:00

abstract：:Despite vast improvement in perinatal care during the 30 years, the incidence rate of neonatal encephalopathy remains unchanged without any further Progress towards preventive strategies for the clinical impasse. Antenatal brain injury including fetal intracranial hemorrhage caused by ischemia/reperfusion is known as ...

journal_title：Frontiers in physiology

authors： Funamoto K,Ito T,Funamoto K,Velayo CL,Kimura Y

更新日期：2017-05-24 00:00:00

abstract：:Cephalopods are unrivaled in the natural world in their ability to alter their visual appearance. These mollusks have evolved a complex system of dermal units under neural, hormonal, and muscular control to produce an astonishing variety of body patterns. With parallels to the pixels on a television screen, cephalopod...

journal_title：Frontiers in physiology

authors： How MJ,Norman MD,Finn J,Chung WS,Marshall NJ

更新日期：2017-06-19 00:00:00

abstract：:Before they develop competent endothermy, mammals and birds are sensitive to fluctuating temperature. It follows that early life thermal environment can trigger changes to the ontogeny of thermoregulatory control. At the ecological level, we have incomplete knowledge of how such responses affect temperature tolerance ...

journal_title：Frontiers in physiology

authors： Nord A,Giroud S

更新日期：2020-05-25 00:00:00

abstract：:Glucose metabolism is a biologically important metabolic process. Glycogen synthase kinase (GSK-3) is a key enzyme located in the middle of the sugar metabolism pathway that can regulate the energy metabolism process in the body through insulin signaling. This paper mainly explores the regulatory effect of glycogen sy...

journal_title：Frontiers in physiology

authors： Ding YJ,Li GY,Xu CD,Wu Y,Zhou ZS,Wang SG,Li C

更新日期：2020-11-25 00:00:00

abstract：:We present a novel approach to quantify heart rate variability (HRV) and the results of applying this approach to synthetic and original data sets. Our approach evaluates the periodicity of heart rate by calculating the transform of Relative Shannon Entropy, the maximum value of the RR interval periodogram, and the ma...

journal_title：Frontiers in physiology

authors： Thungtong A,Knoch MF,Jacono FJ,Dick TE,Loparo KA

更新日期：2018-06-19 00:00:00

abstract：:Plant-insect interactions constitute a complex of system, whereby plants synthesize toxic compounds as the main defense strategy to combat herbivore assault, and insects deploy detoxification systems to cope with toxic plant compounds. Cytochrom P450s are among the main detoxification enzymes employed by insects to co...

journal_title：Frontiers in physiology

authors： Peng L,Zhao Y,Wang H,Song C,Shangguan X,Ma Y,Zhu L,He G

更新日期：2017-11-30 00:00:00