نتایج جستجو برای: astrogliosis
تعداد نتایج: 1064 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Intracerebral hemorrhage (ICH) stems from the rupture of blood vessels in the brain, with the subsequent accumulation of blood in the parenchyma. Increasing evidence suggests that blood-derived factors induce excessive inflammatory responses that are involved in the progression of ICH-induced brain injury. Thrombin, a major blood-derived factor, leaks into the brain paren...
Clinical radiation therapy for the treatment of CNS cancers leads to unintended and debilitating impairments in cognition. Radiation-induced cognitive dysfunction is long lasting; however, the underlying molecular and cellular mechanisms are still not well established. Since ionizing radiation causes microglial and astroglial activation, we hypothesized that maladaptive changes in astrocyte fun...
Brain metastasis is a significant clinical problem, yet the mechanisms governing tumor cell extravasation across the blood-brain barrier (BBB) and CNS colonization are unclear. Astrocytes are increasingly implicated in the pathogenesis of brain metastasis but in vitro work suggests both tumoricidal and tumor-promoting roles for astrocyte-derived molecules. Also, the involvement of astrogliosis ...
Background Reactive astrogliosis, an activation state that includes morphological, metabolic and functional changes of astrocytes, occurs in neurodegenerative diseases, including Alzheimer’s disease (AD). Increased plasma levels glial fibrillary acidic protein (GFAP), a reactive astrogliosis biomarker, have been recently reported the preclinical symptomatic stages AD. However, very few works in...
Background: Glutamate is essential to learning and memory as an excitatory neurotransmitter. This study evaluated the atrazine effect on the hippocampus and examined the mitigative role of avocado oil against the neuronal degeneration and behavioral deficits in Wistar rats. Methods: Fifty adult male Wistar rats were divided into four groups of ten. Group 1 (controls) received 0.5 ml distilled ...
Chronic neurodegenerative diseases represent major unmet needs for therapeutic interventions. Recently, the neurocentric view of brain function and disease has been challenged by a great number of evidence supporting the physiopathological potential of neuroglia. Astrocytes, in particular, play a pivotal role in brain homeostasis as they actively participate in neuronal metabolism, synaptic pla...
OBJECTIVE Pathological findings in neonatal brain injury associated with preterm birth include focal and/or diffuse white matter injury (WMI). Despite the heterogeneous nature of this condition, reactive astrogliosis and microgliosis are frequently observed. Thus, molecular mechanisms by which glia activation contribute to WMI were investigated. METHODS Postmortem brains of neonatal brain inj...
Voltage-gated sodium channels (VGSCs) play a vital role in controlling neuronal excitability. Nav1.6 is the most abundantly expressed VGSCs subtype in the adult central nervous system and has been found to contribute to facilitate the hyperexcitability of neurons after electrical induction of status epilepticus (SE). To clarify the exact expression patterns of Nav1.6 during epileptogenesis, we ...
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