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Role of extracellular vesicles in the pathogenesis of mosquito-borne flaviviruses that impact public health.
J Biomed Sci
January 2025
Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México (UNAM), 04510, Mexico City, Mexico.
Mosquito-borne flaviviruses represent a public health challenge due to the high-rate endemic infections, severe clinical outcomes, and the potential risk of emerging global outbreaks. Flavivirus disease pathogenesis converges on cellular factors from vectors and hosts, and their interactions are still unclear. Exosomes and microparticles are extracellular vesicles released from cells that mediate the intercellular communication necessary for maintaining homeostasis; however, they have been shown to be involved in disease establishment and progression.
View Article and Find Full Text PDFBuilding a growing genomic repository for maternal and fetal health through the PING Consortium.
Pediatr Res
January 2025
Center for Genetic Medicine, Children's National Research Institute, Washington, DC, USA.
Background: Prenatally transmitted viruses can cause severe damage to the developing brain. There is unexplained variability in prenatal brain injury and postnatal neurodevelopmental outcomes, suggesting disease modifiers. Of note, prenatal Zika infection can cause a spectrum of neurodevelopmental disorders, including congenital Zika syndrome.
View Article and Find Full Text PDFDengue and Zika virus NS4B proteins differ in topology and in determinants of ER membrane protein complex dependency.
J Virol
December 2024
1Division of Gastroenterology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA.
Flaviviruses utilize the cellular endoplasmic reticulum (ER) for all aspects of their lifecycle. Genome replication and other viral activities take place in structures called replication organelles (ROs), which are invaginations induced in the ER membrane. Among the required elements for RO formation is the biogenesis of viral nonstructural proteins NS4A and NS4B.
View Article and Find Full Text PDFZika virus infections and associated risk factors among pregnant women in Gombe, Nigeria.
Virol Sin
December 2024
Department of Medical Laboratory Science, University of Maiduguri, College of Medical Sciences, P.M.B. 1069, Maiduguri, Nigeria. Electronic address:
Article Synopsis
- In-utero exposure to Zika virus (ZIKV) can result in severe outcomes like miscarriage and congenital Zika syndrome, prompting a study on the infection rates among pregnant women from February to April 2022.
- Researchers tested 200 pregnant women for ZIKV antibodies and found that 16.5% had ZIKV IgM, 10% had IgG, and 23% had neutralizing antibodies, indicating various stages of infection and immunity.
- The study also revealed that recent ZIKV infections were more common in sexually active women aged 20-29, with higher infection risks in first trimester and grand-multiparous women, although no significant link was found between ZIKV and specific pregnancy trimest
A Rapid On-Site Detection Method for Plasmodium falciparum Carried by Mosquitoes Using Disc Microfluidic Isothermal Amplification.
Am J Trop Med Hyg
December 2024
Department of Pathogenic Biology, Basic Medical College, Naval Medical University, Shanghai, China.
Rapidly identifying Anopheles-carrying malaria parasites is crucial for imported malaria prevention. However, suitable methods still lack quick detection in limited-resource situations. In this study, disc microfluidic isothermal amplification integrating loop-mediated isothermal amplification (LAMP) and microfluidic chip technology were applied to develop rapid and precise detection with low resource requirements.
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