Publications by authors named "Benito-Leon J"

Many clinical, neuroimaging, neuropathological, epidemiological, and genetic data suggest a relationship between essential tremor (ET) and Parkinson's disease (PD). Several hypothesis-based gene association studies attempted to find a genetic association between these diseases. Recent case-control association studies in Chinese and Spanish populations showed a marginal association between the rs1922452 and rs951818 single nucleotide variants (SNVs) and the risk of PD.

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Background: Scrub typhus is an acute febrile infectious disease highly prevalent in the Asia Pacific region, often referred to as the "tsutsugamushi triangle." This mite-borne rickettsial zoonosis is caused by , an intracellular Gram-negative organism that primarily targets endothelial cells. The resulting vasculitis leads to multisystem involvement.

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  • Rapid correction of chronic hyponatremia can lead to osmotic demyelination syndrome (ODS), especially in patients with underlying conditions like Sheehan’s syndrome, a rare pituitary disorder following severe postpartum hemorrhage.
  • A case report details a 40-year-old woman who experienced neurological decline due to the correction of her long-standing hyponatremia, which had been mismanaged for years, leading to extrapontine and then central pontine myelinolysis.
  • The case emphasizes that even gradual correction of low sodium levels poses risks and highlights the need for careful management in patients with chronic hyponatremia and related conditions.
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Crossed Wernicke's aphasia (CWA) following a stroke is a rare clinical phenomenon, particularly when associated with seizures. This case report presents a unique instance of crossed CWA accompanied by focal clonic cluster seizures affecting the left arm and face, with secondary generalization, in a monolingual Bengali-speaking patient following a right middle cerebral artery ischemic stroke. The patient, a 70-year-old male from rural India, presented with acute behavioral abnormalities and language impairment.

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  • Brugada syndrome is a heart condition linked to sudden cardiac events, primarily caused by mutations in the sodium channel gene, SCN5A.
  • A case study involved a 25-year-old woman with a heart defect who tested positive for a new variant of the SCN5A gene, despite having no prior symptoms or family history of the syndrome.
  • The findings suggest that this new gene variant could have harmful impacts, further emphasizing the importance of genetic screening in asymptomatic individuals.
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Background And Objectives: Despite its extensive utilization, research on Chat Generative Pre-trained Transformer (ChatGPT)'s potential negative impact on specific cognitive processes is scarce. This article explores the widespread use of ChatGPT in educational, corporate, and various other sectors, focusing on its interaction with distinct cognitive domains such as attention, executive function, language, memory, visuospatial abilities, and social cognition.

Methods: A literature review was conducted using PubMed, identifying 256 articles, with 29 peer-reviewed articles analyzed after screening for relevance.

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A 40-year-old male farmer from rural West Bengal, India, presented with fever, headaches, seizure, eschar, and palsy of left cranial nerves VII, VIII, IX, and X as a rare clinical manifestation of scrub typhus. Positive IgM enzyme-linked immunosorbent assay tests in serum and cerebrospinal fluid confirmed the diagnosis, with brain magnetic resonance imaging showing meningoencephalitis findings. Treatment with steroids and doxycycline led to neurological improvement.

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  • Neurometabolic homeostasis in the brain relies on the effective transport of glucose and nutrients across brain barriers, which gets disrupted in type 2 diabetes mellitus (T2DM) due to high blood sugar levels.
  • T2DM causes reduced glucose transporter expression and impaired neurovascular coupling, leading to cognitive decline and neurovascular dysfunction.
  • Insulin plays a crucial role in the hippocampus by improving neuro-glial interactions and facilitating glucose uptake in astrocytes to meet the energy needs of neurons, highlighting the need for strategies to correct glucose transport issues in T2DM.
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Alzheimer's disease (AD), the most prevalent form of dementia, is expected to rise dramatically in incidence due to the global population aging. Traditional diagnostic approaches, such as cerebrospinal fluid analysis and positron emission tomography, are expensive and invasive, limiting their routine clinical use. Recent advances in blood-based biomarkers, including amyloid-beta, phosphorylated tau, and neurofilament light, offer promising non-invasive alternatives for early AD detection and disease monitoring.

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  • The study investigates the links between obesity, insulin resistance (IR), and visceral adipose tissue (VAT) using a multi-omics approach to highlight the immune system's involvement.
  • The analysis utilized data from both obese individuals with and without IR, identifying significant signaling pathways, hub genes, and microRNAs that play critical roles in inflammation and metabolic processes.
  • The findings suggest that certain hub genes, transcription factors, and microRNAs may serve as potential targets for future research aimed at therapeutic strategies and risk assessment for obesity-related complications.
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Background: The Monkeypox virus, a zoonotic pathogen of the Orthopoxvirus genus, has shown a marked global spread, resulting in cases of neuroinflammatory disorders. This systematic review aims to summarize the central nervous system manifestations linked to monkeypox virus infection.

Methods: We conducted a systematic review according to PRISMA guidelines.

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  • Scrub typhus is a disease caused by mites and is common in the Asia Pacific, leading to serious neurological problems like meningoencephalitis and, in rare cases, CVST.
  • A unique case involved an 18-year-old pregnant woman in India who, after experiencing symptoms like fever and headaches, was found to have CVST stemming from scrub typhus meningoencephalitis; treatment involved azithromycin and later anticoagulation therapy.
  • The report emphasizes the need to consider CVST in pregnant women with severe scrub typhus symptoms even if antibiotics are being used, as early treatment is crucial for better outcomes.
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Background And Objectives: The 2023 criteria for myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) perform well in adults but have not been assessed in children.

Methods: This prospective observational nationwide study includes children and adults with demyelinating syndromes or encephalitis, whose serum or CSF was found MOG-immunoglobulin G (IgG) positive at Institut d'Investigacions Biomèdiques August Pi i Sunyer-Hospital Clínic of Barcelona (Spain). Exclusion criteria were lack of clinical information and follow-up <1 year, and serum unavailable for antibody testing.

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Alzheimer's disease (AD), the most common cause of dementia, is a complex and multifactorial condition without cure at present. The latest treatments, based on anti-amyloid monoclonal antibodies, have only a modest effect in reducing the progression of cognitive decline in AD, whereas the possibility of preventing AD has become a crucial area of research. In fact, recent studies have observed a decrease in dementia incidence in developed regions such as the US and Europe.

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Introduction: Multiple Sclerosis (MS) can affect the ability to perform complex tasks such as driving. The Expanded Disability Status Scale (EDSS) overlooks cognitive deficits crucial for driving. We investigated the relationship between the Multiple Sclerosis Functional Composite (MSFC), which includes cognitive assessment, and EDSS in relation to driving performance.

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The relationship between spirituality and religiosity and their impact on mental health is intricate and underexplored. This exploratory review aims to elucidate the distinct effects of these constructs, highlighting their contributions to psychological well-being and clinical practices. By dissecting the impacts of spirituality and religiosity on mental health, the study focuses on their individual and combined roles in shaping therapeutic approaches and theoretical understandings in the field.

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Introduction: The scarcity of epidemiological data on acute febrile illnesses from South Asia impairs evidence-based clinical decision-making. Our study aimed to explore the etiological spectrum of short-duration fever in patients admitted to a tertiary care hospital in West Bengal, India.

Methods: We conducted a cross-sectional study from May 2021 to April 2022 involving 150 adult patients presenting with a fever lasting less than two weeks at Burdwan Medical College and Hospital (West Bengal, India).

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  • * Key to her diagnosis was the identification of the "double-doughnut" sign on MRI, which indicated dengue encephalitis and helped differentiate it from other encephalitis causes.
  • * The case emphasizes the importance of recognizing atypical dengue presentations, particularly in areas where the virus is endemic, to ensure timely treatment and improve patient outcomes.
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Introduction: Myeloneuropathy is a diagnosis ascribed to disorders that concomitantly affect the spinal cord and peripheral nerves. Recognizing this syndrome may sometimes be arduous, even for the most consummate clinicians, because symptomatology can mimic either spinal cord or peripheral nerve disease. Besides, examination findings suggest a predominantly myelopathic or neuropathic picture.

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