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Epigenetic Regulation of Ferroptosis in Central Nervous System Diseases
AbstractFerroptosis, a newly identified form of cell death, is characterized by iron overload and accumulation of lipid reactive oxygen species. Inactivation of pathways, such as glutathione/glutathione peroxidase 4, NAD(P)H/ferroptosis suppressor protein 1/ubiquinone, dihydroorotate dehydrogenase/ubiquinol, or guanosine triphosphate cyclohydrolase-1/6(R)-l-erythro-5,6,7,8-tetrahydrobiopterin pathways, have been found to induce ferroptosis. The accumulating data suggest that epigenetic regulation can determine cell sensitivity to ferroptosis at both the transcriptional and translational levels. While many of the effectors ...
Source: Molecular Neurobiology - May 28, 2023 Category: Neurology Source Type: research

Retinoid X Receptor: Cellular and Biochemical Roles of Nuclear Receptor with a Focus on Neuropathological Involvement
AbstractRetinoid X receptors (RXRs) present a subgroup of the nuclear receptor superfamily with particularly high evolutionary conservation of ligand binding domain. The receptor exists in α, β, and γ isotypes that form homo-/heterodimeric complexes with other permissive and non-permissive receptors. While research has identified the biochemical roles of several nuclear receptor family members, the roles of RXRs in various neurological disorders remain relatively under-investigated . RXR acts as ligand-regulated transcription factor, modulating the expression of genes that plays a critical role in mediating several deve...
Source: Molecular Neurobiology - January 11, 2022 Category: Neurology Source Type: research

Post Stroke Safinamide Treatment Attenuates Neurological Damage by Modulating Autophagy and Apoptosis in Experimental Model of Stroke in Rats
AbstractExploring and repurposing a drug have become a lower risk alternative. Safinamide, approved for Parkinson ’s disease, has shown neuroprotection in various animal models of neurological disorders. The present study aimed to explore the potential of safinamide in cerebral ischemia/reperfusion (I/R) in rats. Sprague–Dawley rats were used in middle cerebral artery occlusion model of stroke. The effectiv e dose of safinamide was selected based on the results of neurobehavioral parameters and reduction in infarct size assessed 24 h post-reperfusion. For sub-acute study, the treatment with effective dose was extended...
Source: Molecular Neurobiology - August 28, 2021 Category: Neurology Source Type: research

Molecular Insights into NR4A2(Nurr1): an Emerging Target for Neuroprotective Therapy Against Neuroinflammation and Neuronal Cell Death
AbstractNR4A2 is a nuclear receptor and a transcription factor, with distinctive physiological features. In the cell nuclei of the central nervous system, it is widely expressed and identified as a crucial regulator of dopaminergic (DA) neuronal differentiation, survival, and maintenance. Importantly, it has regulated different genes crucial for dopaminergic signals, and its expression has been diminished in both aged and PD post-mortem brains and reduced in PD patients. In microglia and astrocytes, the expression of NR4A2 has been found where it can be capable of inhibiting the expression of proinflammatory mediators; hen...
Source: Molecular Neurobiology - January 25, 2019 Category: Neurology Source Type: research

Brain Photobiomodulation Therapy: a Narrative Review
This article reviews the state-of-the-art preclinical and clinical evidence regarding the efficacy of brain PBM therapy.
Source: Molecular Neurobiology - January 11, 2018 Category: Neurology Source Type: research

Mitochondrial Quality Control and Disease: Insights into Ischemia-Reperfusion Injury
AbstractMitochondria are key regulators of cell fate during disease. They control cell survival via the production of ATP that fuels cellular processes and, conversely, cell death via the induction of apoptosis through release of pro-apoptotic factors such as cytochrome C. Therefore, it is essential to have stringent quality control mechanisms to ensure a healthy mitochondrial network. Quality control mechanisms are largely regulated by mitochondrial dynamics and mitophagy. The processes of mitochondrial fission (division) and fusion allow for damaged mitochondria to be segregated and facilitate the equilibration of mitoch...
Source: Molecular Neurobiology - April 11, 2017 Category: Neurology Source Type: research

N -Palmitoylethanolamine and Neuroinflammation: a Novel Therapeutic Strategy of Resolution
Abstract Inflammation is fundamentally a protective cellular response aimed at removing injurious stimuli and initiating the healing process. However, when prolonged, it can override the bounds of physiological control and becomes destructive. Inflammation is a key element in the pathobiology of chronic pain, neurodegenerative diseases, stroke, spinal cord injury, and neuropsychiatric disorders. Glia, key players in such nervous system disorders, are not only capable of expressing a pro-inflammatory phenotype but respond also to inflammatory signals released from cells of immune origin such as mast cells. Chronic ...
Source: Molecular Neurobiology - June 8, 2015 Category: Neurology Source Type: research