Cellular communication depends heavily on the participation of vesicular systems generated by most cells of an organism. Exosomes play central roles in this process. Today, these vesicles have been characterized, and it has been determined that the cargo they transport is not within a random system. In fact, it depends on various molecular signals and the recruitment of proteins that participate in the biogenesis of exosomes. It has also been shown that multiple viruses can recruit these vesicles to transport viral factors such as genomes or proteins. It has been shown that the late domains present in viral proteins are critical for the exosomal selection and biogenesis systems to recognize these viral proteins and introduce them into the exosomes. In this review, the researchers discuss the evidence related to the characterization of these late domains and their role in exosome recruitment during viral infection.
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http://dx.doi.org/10.3390/life13091842 | DOI Listing |
J Med Virol
February 2025
Department of Microbiology, School of Basic Medicine, Air Force Military Medical University, Xi'an, China.
Virus budding is a critical step in the replication cycle of enveloped viruses, closely linked to viral spread, disease progression, and clinical outcomes. The budding of many enveloped RNA viruses is facilitated by the hijacking of the host endosomal sorting complex required for transport (ESCRT) proteins through viral late domains. These late domains are essential for progeny virus production and are highly conserved, making the interaction between late domains and host ESCRT proteins a potential target for the development of antiviral therapeutics.
View Article and Find Full Text PDFDrug discovery continues to face a staggering 90% failure rate, with many setbacks occurring during late-stage clinical trials. To address this challenge, there is an increasing focus on developing and evaluating new technologies to enhance the "design" and "test" phases of antibody-based drugs (e.g.
View Article and Find Full Text PDFBJPsych Open
January 2025
Department of Child and Adolescent Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India.
Background: Developmental regression in children, in the absence of neurological damage or trauma, presents a significant diagnostic challenge. The complexity is further compounded when it is associated with psychotic symptoms.
Method: We discuss a case series of ten children aged 6-10 years, with neurotypical development, presenting with late-onset developmental regression (>6 years of age), their clinical course and outcome at 1 year.
Gerontologist
January 2025
Department of Sociology and Criminology, University at Buffalo, SUNY, Buffalo, NY, USA.
Background And Objectives: Social engagement is positively associated with cognitive health, yet the role of these activities across the life span and in different contexts remains under-explored. This study investigates the association between social activities and two domains of cognitive functioning among middle-aged and older Chinese individuals, a population with the highest number of dementia cases in the world. We pay particular attention to the unique role of activities in midlife on cognitive decline in the later years.
View Article and Find Full Text PDFAnn Clin Transl Neurol
January 2025
NEUROFARBA Department, Neurosciences Section, University of Florence, Florence, Italy.
Objectives: We aim to investigate cognitive phenotype distribution and MRI correlates across pediatric-, elderly-, and adult-onset MS patients as a function of disease duration.
Methods: In this cross-sectional study, we enrolled 1262 MS patients and 238 healthy controls, with neurological and cognitive assessments. A subset of 222 MS patients and 92 controls underwent 3T-MRI scan for brain atrophy and lesion analysis.
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