نتایج جستجو برای: مواد ماندگار کننده rtn
تعداد نتایج: 152843 فیلتر نتایج به سال:
We compared the response to hypercapnia (10%) in both neurons and astrocytes between a distinct area of the retrotrapezoid nucleus (RTN), the medio-caudal RTN (mcRTN) and more intermediate and rostral RTN areas (irRTN) in medullary brain slices from neonatal rats. Exposure to hypercapnic acidosis (HA) caused pHo to decline from 7.45 to 7.15 and caused a maintained, intracellular acidification o...
Traffic noise has been linked to diabetes, with limited understanding of its mechanisms. We hypothesize that night-time road traffic noise (RTN) may impair glucose homeostasis through circadian rhythm disturbances. We prospectively investigated the relationship between residential night-time RTN and subsequent eight-year change in glycosylated hemoglobin (ΔHbA1c) in 3350 participants of the Swi...
Central respiratory chemoreceptors sense changes in CO2/H(+) and initiate the adjustments to ventilation required to preserve brain and tissue pH. The cellular nature of the sensors (neurons and/or glia) and their CNS location are not conclusively established but the glutamatergic, Phox2b-expressing neurons located in the retrotrapezoid nucleus (RTN) are strong candidates. However, a direct dem...
We conceptualize two distinct post-acceptance usage behaviors: (1) routine use (RTN) refers to the use of information system (IS) consistent with normal work processes and (2) innovative use (INV) means users’ applying system features in novel ways. While RTN helps integrate the implemented IS into work processes, INV further extracts the value of the IS. Drawing on motivation theory, we propos...
Methyl-CpG binding protein 2 (MeCP2) is highly expressed in neurons in the vertebrate brain, and mutations of the gene encoding MeCP2 cause the neurodevelopmental disorder Rett syndrome. This study examines the role of MeCP2 in the development and function of thalamic GABAergic circuits. Whole cell recordings were carried out in excitatory neurons of the ventrobasal complex (VB) of the thalamus...
BACKGROUND AND PURPOSE Stroke is the third leading cause of death and the leading cause of adult disability in the United States. The clot-lysis drug tissue plasminogen activator is the only treatment that has been effective for acute stroke patients, yet there are significant limitations to its use and effectiveness. In this study retrograde transvenous neuroperfusion (RTN) was evaluated for i...
At surgical depths of anesthesia, inhalational anesthetics cause a loss of motor response to painful stimuli (i.e., immobilization) that is characterized by profound inhibition of spinal motor circuits. Yet, although clearly depressed, the respiratory motor system continues to provide adequate ventilation under these same conditions. Here, we show that isoflurane causes robust activation of CO(...
مقدمه: هدف این مطالعه ارزش اندازه گیری هورمون های hcg، پروژسترون و استرادیول برای پیشگویی سقط های خود به خودی است. مواد و روش ها: طی مطالعه ای آینده نگر بر روی 34 زن با نشانه های تهدید به سقط که در هفته های 5 تا 12 حاملگی به سر می بردند مقادیر سرمی گونادوتروپین جفتی انسان (hcg) در دو نمونه به فاصله 4-2 روز، پروژسترون و استرادیول اندازه گیری شد. همین هورمون ها در یک گروه کنترل متشکل از 44 زن بار...
The reticular thalamic nucleus (RTN) of the mouse is characterized by an overwhelming majority of GABAergic neurons receiving afferences from both the thalamus and the cerebral cortex and sending projections mainly on thalamocortical neurons. The RTN neurons express high levels of the "slow Ca(2+) buffer" parvalbumin (PV) and are characterized by low-threshold Ca(2+) currents, I(T). We performe...
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