Early diagnosis and pharmacological treatment of central nervous system (CNS) diseases has been a long-standing challenge for clinical research due to the presence of the blood-brain barrier. Specific proteins and RNAs in brain-derived extracellular vesicles (EVs) usually reflect the corresponding state of brain disease, and therefore, EVs can be used as diagnostic biomarkers for CNS diseases. In addition, EVs can be engineered and fused to target cells for delivery of cargo, demonstrating the great potential of EVs as a nanocarrier platform. We review the progress of EVs as markers and drug carriers in the diagnosis and treatment of neurological diseases. The main areas include visual imaging, biomarker diagnosis and drug loading therapy for different types of CNS diseases. It is hoped that increased knowledge of EVs will facilitate their clinical translation in CNS diseases.
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http://dx.doi.org/10.1186/s40001-023-01606-5 | DOI Listing |
Postepy Biochem
December 2024
Cellular Neurobiology Research Group, Faculty of Biology, University of Warsaw.
Udar mózgu jest wyniszczającą chorobą o podłożu sercowo-naczyniowym o wysokiej śmiertelności, prowadzącą do znacznego obniżenia jakości oraz długości życia. Z uwagi na złożoność patofizjologicznych procesów zachodzących po udarze mózgu u ludzi, kluczowe znaczenie z punktu widzenia rozwoju metod leczenia pacjentów mają badania podstawowe z użyciem zwierzęcych modeli udaru mózgu, ze szczególnym uwzględnieniem modeli z zastosowaniem gryzoni. Modele takie jak przejściowa lub trwała okluzja tętnicy środkowej mózgu (MCAo) i modele fotouczuleniowe są najczęściej stosowane w symulacji udaru niedokrwiennego i zostały szczegółowo opisane w niniejszej pracy.
View Article and Find Full Text PDFViruses
December 2024
Department of Medical Oncology, Medical University of Sofia, University Hospital "Tsaritsa Yoanna", 1527 Sofia, Bulgaria.
Central nervous system (CNS) infections caused by SARS-CoV-2 are uncommon. This case report describes the clinical progression of a 92-year-old female who developed a persistent neuroinfection associated with SARS-CoV-2. The patient initially presented with progressive fatigue, catarrhal symptoms, and a fever (38.
View Article and Find Full Text PDFViruses
December 2024
Department of Pathology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo 162-8640, Japan.
Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease caused by the JC polyomavirus (JCPyV). Based on the clinical criteria, PML is diagnosed via polymerase chain reaction (PCR) detection of JCPyV DNA in cerebrospinal fluid (CSF) in combination with neurological and imaging findings. Although the utility of CSF JCPyV testing using ultrasensitive PCR assays has been suggested, its potential requires further evaluation.
View Article and Find Full Text PDFViruses
December 2024
Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, 413 46 Gothenburg, Sweden.
The tick-borne encephalitis virus is a pathogen endemic to northern Europe and Asia, transmitted through bites from infected ticks. It is a member of the family and possesses a positive-sense, single-stranded RNA genome encoding a polypeptide that is processed into seven non-structural and three structural proteins, including the envelope (E) protein. The glycosylation of the E protein, involving a single N-linked glycan at position N154, plays a critical role in viral infectivity and pathogenesis.
View Article and Find Full Text PDFViruses
December 2024
Divisão de Doenças de Transmissão Hídrica e Alimentar, Centro de Vigilância Epidemiológica "Prof. Alexandre Vranjac", Secretaria de Estado da Saúde de São Paulo, Sao Paulo 01246-900, Brazil.
In the context of the near-global eradication of wild poliovirus, the significance of non-polio enteroviruses (NPEVs) in causing acute flaccid paralysis (AFP) and their impact on public health has gained increased attention. This research, conducted from 2001 to 2021, examined stool samples from 1597 children under 15 years in São Paulo, Brazil, through the AFP/Poliomyelitis Surveillance Program, detecting NPEVs in 6.9% of cases.
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