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Topic Review
Diffusion Tensor Imaging for Hydrocephalus in Stroke
Hydrocephalus is a dilatation of the brain ventricular system by the accumulation of cerebrospinal fluid within the ventricle caused by impaired cerebrospinal fluid circulation or clearance.
  • 502
  • 07 Jun 2022
Topic Review
circRNA-Targeted Therapy in Experimental Parkinson’s Disease
Circular RNAs (circRNAs) are single-stranded RNA molecules often circularized by backsplicing. Growing evidence implicates circRNAs in the underlying mechanisms of various diseases, such as Alzheimer’s and Parkinson’s disease (PD)—the first and second most prevalent neurodegenerative disorders. In this sense, circSNCA, circHIPK2, circHIPK3, and circSLC8A1 are circRNAs that have been related to the neurodegenerative process of PD. Gain-of-function and loss-of-function studies on circRNAs have shed light on their roles in the pathobiology of various diseases. Gain-of-function approaches typically employ viral or non-viral vectors that hyperexpress RNA sequences capable of circularizing to form the specific circRNA under investigation. 
  • 502
  • 16 Nov 2023
Topic Review
Gut and Oral Microbiota in Intracranial Aneurysms
There has been a growing interest in the role of the microbiome in cardiovascular and cerebrovascular diseases. Emerging research highlights the potential role of the microbiome in intracranial aneurysm (IA) formation and rupture, particularly in relation to inflammation.
  • 502
  • 10 Jan 2024
Topic Review
Tumor Neurobiology in Head and Neck Cancer
The neurobiology of tumors has attracted considerable interest from clinicians and scientists and has become a multidisciplinary area of research. Neural components not only interact with tumor cells but also influence other elements within the tumor microenvironment (TME), such as immune cells and vascular components, forming a polygonal relationship to synergistically facilitate tumor growth and progression. 
  • 499
  • 11 Feb 2024
Topic Review
Neuroprotection for Ischemic Stroke
The translation of neuroprotective agents for ischemic stroke from bench-to-bedside has largely failed to produce improved treatments since the development of tissue plasminogen activator (tPA). One possible reason for lack of translation is the failure to acknowledge the greatest risk factor for stroke, age, and other common comorbidities such as hypertension, obesity, and diabetes that are associated with stroke.
  • 498
  • 29 Feb 2024
Topic Review
Lifestyle Interventions as Secondary Stroke Prevention Measures
Stroke is a leading cause of death and disability worldwide, but it has been shown in several observational studies and systematic reviews to be a highly preventable disease. Lifestyle modifications are essential to national/international guidelines and recommendations for secondary stroke prevention.
  • 496
  • 01 Apr 2024
Topic Review
Auditory Mismatch Responses and Speech Perception Development
Auditory Mismatch Responses (MMR), as the Mismatch Negativity (MMN) and Late Discriminative Negativity (LDN), change from birth to adulthood, reflecting auditory and brain maturation and language experience. Throughout development, the MMR can present a different polarity, latency, amplitude, and scalp distribution than the adult MMN/LDN. In addition, conventional ERP analysis can be complemented with time–frequency analysis (TF) to preserver non-stimulus locked neural activity, which is abundant in paediatric EEG. Although TF analysis is less popular in the MMN research field, it may help further our understanding of how speech perception develops in early childhood and in clinical populations in particular, as children with Developmental Language Disorder (DLD).
  • 492
  • 12 Jan 2024
Topic Review
Glaucoma as a Tauopathy
Glaucoma is a chronic neurodegenerative disorder affecting the visual system which can result in vision loss and blindness. Tauopathies represent a subclass of neurodegenerative diseases characterized by the abnormal deposition of tau protein within the brain and consequent microtubule destabilization. Studies have witnessed emerging documentation of tau inclusion among glaucoma patients, providing substantiation that this ocular disease may similarly manifest features of tauopathies. These studies found that: (i) aggregated tau inclusions are present in the somatodendritic compartment of RGCs in glaucoma patients; (ii) the etiology of the disease may affect tau splicing, phosphorylation, oligomerization, and subcellular localization; and (iii) short interfering RNA against tau, administered intraocularly, significantly decreased retinal tau accumulation and enhanced RGC somas and axon survival, demonstrating a crucial role for tau modifications in ocular hypertension-induced neuronal injury. 
  • 491
  • 19 Jan 2024
Topic Review
Headache and Other Pain Syndromes in Multiple Sclerosis
Multiple sclerosis is a chronic and progressive neurological disease, with an important socio-economic burden. Over time, an increased incidence of headaches like migraines and tension headaches has been observed among these patients. Headaches have not been considered as multiple sclerosis-related symptoms, even representing a red flag for multiple sclerosis diagnosis. 
  • 488
  • 31 Jan 2024
Topic Review
Multimodal Ophthalmic Imaging in Spinocerebellar Ataxia Type 7
SCA7, from an ophthalmological point of view, can be assessed through numerous multimodal imaging techniques to evaluate and manage the follow-up of patients. Visual acuity is a fundamental parameter that should be monitored, and spectral domain optical coherence tomography (SDOCT), which is a rapid and non-invasive method, should be routinely performed to evaluate ophthalmic disease progression over time. Additional exams, including NIR imaging, can indicate photoreceptor loss and disruption of the RPE that are not readily evident with color fundus photography (CFP). 
  • 486
  • 19 Jan 2024
Topic Review
Pharmacotherapy for Migraine and Chronic Cluster Headache
Headaches are defined as pain in any area of the head and can be categorized into three groups as defined by the International Classification of Headache Disorders (ICHD-III): (1) Primary being a headache without an identifiable cause, including tension, migraine, and chronic cluster; (2) Secondary being a headache with an identifiable cause, including potentially life threatening causes such as vascular disorders or traumatic brain injuries; and (3) Cranial neuropathies.
  • 486
  • 19 Feb 2024
Topic Review
Role of NMDA Receptor in Response to Pressure
Professional divers exposed to pressures greater than 11 ATA (1.1 MPa) may suffer from high-pressure neurological syndrome (HPNS). Divers who use closed-circuit breathing apparatus and patients and medical attendants undergoing hyperbaric oxygen therapy (HBOT) face the risk of CNS hyperbaric oxygen toxicity (HBOTx) at oxygen pressure above 2 ATA (0.2 MPa). Both syndromes are characterized by reversible central nervous system (CNS) hyperexcitability, accompanied by cognitive and motor deficits, and N-methyl-D-aspartate receptor (NMDAR) plays a crucial role in provoking them. Various NMDAR subtypes respond differently under hyperbaric conditions. The augmented currents observed only in NMDAR containing GluN2A subunit increase glutamatergic synaptic activity and cause dendritic hyperexcitability and abnormal neuronal activity. Removal of the resting Zn2+ voltage-independent inhibition exerted by GluN2A present in the NMDAR is the major candidate for the mechanism underlying the increase in receptor conductance. 
  • 485
  • 27 Dec 2023
Topic Review
Aneurysmal Subarachnoid Hemorrhage and Neuroinflammation
Aneurysmal subarachnoid hemorrhage (SAH) can lead to devastating outcomes including vasospasm, cognitive decline, and even death. Treatment options are limited for this potentially life threatening injury. Evidence suggests that neuroinflammation plays a critical role in injury expansion and brain damage. Red blood cell breakdown products can lead to the release of inflammatory cytokines that trigger vasospasm and tissue injury. Preclinical models have been used successfully to improve understanding about neuroinflammation following aneurysmal rupture.
  • 482
  • 29 Feb 2024
Topic Review
Neuralgic Amyotrophy and Hourglass Nerve Constriction/Nerve Torsion
Neuralgic amyotrophy, also called Parsonage–Turner syndrome, in its classic presentation is a brachial plexopathy or a multifocal neuropathy, involving mainly motor nerves of the upper limb with a monophasic course. Recently, a new radiological entity was described, the hourglass constriction, which is characterized by a very focal constriction of a nerve, or part of it, usually associated with nerve thickening proximally and distally to the constriction. Another condition, which is similar from a radiological point of view to hourglass constriction, is nerve torsion. The pathophysiology of neuralgic amyotrophy, hourglass constriction and nerve torsion is still poorly understood, and a generic role of inflammation is proposed for all these conditions.
  • 480
  • 19 Jan 2024
Topic Review
EEG Characteristics in Children with Reading Disorders
Electroencephalograms (EEGs) of children with reading disorders (RDs) are characterized by a higher theta and a lower alpha than those of typically developing children. Neurofeedback (NFB) may be helpful for treating learning disorders by reinforcing a reduction in the theta/alpha ratio. Several studies have suggested that NFB may lead to EEG power normalization and cognitive improvements. 
  • 480
  • 23 Feb 2024
Topic Review
Invasive Treatments of Laryngeal Dystonia
Laryngeal dystonia (LD), known or termed as spasmodic dysphonia, is a rare movement disorder with an unknown cause affecting the intrinsic laryngeal muscles. Neurophysiological studies point to perturbed inhibitory processes, while conventional genetic studies reveal fragments of genetic architecture in LD. 
  • 478
  • 22 Nov 2023
Topic Review
Exosomes and miRNAs Effects Spinal Cord Injury
Neurological disorders represent a global health problem. Current pharmacological treatments often lead to short-term symptomatic relief but have dose-dependent side effects, such as inducing orthostatic arterial hypotension due to the blockade of alpha receptors, cardiotoxic effects due to impaired repolarization, and atrioventricular block and tachycardia, including ventricular fibrillation. Mesenchymal stem cells (MSCs) are pluripotent cells with anti-inflammatory, anti-apoptotic, and immunomodulatory properties, providing a promising alternative due to their ability to differentiate, favorable culture conditions, in vitro manipulation ability, and robust properties. 
  • 475
  • 28 Sep 2023
Topic Review
Glioblastoma Therapy with mRNA-Based Immunotherapies and Oncolytic Viruses
Glioblastoma multiforme (here termed GBM), one of the most aggressive and lethal primary brain tumors, poses a significant challenge in the field of neuro-oncology. The use of mRNA-based immunotherapies that leverage the genomes of oncolytic viruses holds significant promise in addressing glioblastoma (GBM), an exceptionally aggressive neurological tumor. 
  • 475
  • 08 Mar 2024
Topic Review
Alterations in the Intestinal Microbiota in ASD
Autism Spectrum Disorder (ASD) is characterized by varying degrees of difficulty in social interaction and communication. These deficits are often associated with gastrointestinal symptoms, indicating alterations in both intestinal microbiota composition and metabolic activities. The intestinal microbiota influences the function and development of the nervous system.
  • 474
  • 04 Aug 2023
Topic Review
Hsp90 and BRICHOS Chaperone Domain
Alzheimer’s disease (AD) is an extremely devastating neurodegenerative disease, and there is no cure for it. AD is specified as the misfolding and aggregation of amyloid-β protein (Aβ) and abnormalities in hyperphosphorylated tau protein. Current approaches to treat Alzheimer’s disease have had some success in slowing down the disease’s progression. Chaperone proteins act as molecular caretakers to facilitate cellular homeostasis under standard conditions. Chaperone proteins like heat shock proteins (Hsps) serve a pivotal role in correctly folding amyloid peptides, inhibiting mitochondrial dysfunction, and peptide aggregation. For instance, Hsp90 plays a significant role in maintaining cellular homeostasis through its protein folding mechanisms.
  • 474
  • 28 Dec 2023
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