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Alphavirus Virulence Determinants [PDF]

open access: yesPathogens, 2021
Alphaviruses are important pathogens that continue to cause outbreaks of disease in humans and animals worldwide. Diseases caused by alphavirus infections include acute symptoms of fever, rash, and nausea as well as chronic arthritis and severe-to-fatal ...
Margarita V. Rangel   +1 more
doaj   +4 more sources

A molecular understanding of alphavirus entry.

open access: yesPLoS Pathogens, 2020
Alphaviruses cause severe human illnesses including persistent arthritis and fatal encephalitis. As alphavirus entry into target cells is the first step in infection, intensive research efforts have focused on elucidating aspects of this pathway ...
Autumn C Holmes   +3 more
doaj   +6 more sources

Arthritogenic Alphavirus Capsid Protein

open access: yesLife, 2021
In the past two decades Old World and arthritogenic alphavirus have been responsible for epidemics of polyarthritis, causing high morbidity and becoming a major public health concern. The multifunctional arthritogenic alphavirus capsid protein is crucial
Shambhavi Rao, Adam Taylor
doaj   +5 more sources

Alphavirus Evasion of Zinc Finger Antiviral Protein (ZAP) Correlates with CpG Suppression in a Specific Viral nsP2 Gene Sequence

open access: yesViruses, 2023
Certain re-emerging alphaviruses, such as chikungunya virus (CHIKV), cause serious disease and widespread epidemics. To develop virus-specific therapies, it is critical to understand the determinants of alphavirus pathogenesis and virulence.
LeAnn P. Nguyen   +4 more
doaj   +2 more sources

Expression of Alphavirus Nonstructural Protein 2 (nsP2) in Mosquito Cells Inhibits Viral RNA Replication in Both a Protease Activity-Dependent and -Independent Manner

open access: yesViruses, 2022
Alphaviruses are positive-strand RNA viruses, mostly being mosquito-transmitted. Cells infected by an alphavirus become resistant to superinfection due to a block that occurs at the level of RNA replication. Alphavirus replication proteins, called nsP1-4,
Liubov Cherkashchenko   +4 more
doaj   +2 more sources

The Putative Roles and Functions of Indel, Repetition and Duplication Events in Alphavirus Non-Structural Protein 3 Hypervariable Domain (nsP3 HVD) in Evolution, Viability and Re-Emergence

open access: yesViruses, 2021
Alphavirus non-structural proteins 1–4 (nsP1, nsP2, nsP3, and nsP4) are known to be crucial for alphavirus RNA replication and translation. To date, nsP3 has been demonstrated to mediate many virus–host protein–protein interactions in several fundamental
Nurshariza Abdullah   +8 more
doaj   +2 more sources

Vaccination with DNA plasmids expressing Gn coupled to C3d or alphavirus replicons expressing gn protects mice against Rift Valley fever virus. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2010
Rift Valley fever (RVF) is an arthropod-borne viral zoonosis. Rift Valley fever virus (RVFV) is an important biological threat with the potential to spread to new susceptible areas.
Nitin Bhardwaj, Mark T Heise, Ted M Ross
doaj   +7 more sources

Role of pentraxin 3 in shaping arthritogenic alphaviral disease: from enhanced viral replication to immunomodulation. [PDF]

open access: yesPLoS Pathogens, 2015
The rising prevalence of arthritogenic alphavirus infections, including chikungunya virus (CHIKV) and Ross River virus (RRV), and the lack of antiviral treatments highlight the potential threat of a global alphavirus pandemic.
Suan-Sin Foo   +12 more
doaj   +6 more sources

Granulocyte colony-stimulating factor protects against acute systemic alphavirus disease in a type I IFN-dependent manner [PDF]

open access: yesFrontiers in Immunology
IntroductionArthritogenic alphaviruses, including chikungunya (CHIKV) and Mayaro virus (MAYV), cause disease characterized by fever, rash, and incapacitating joint pain.
Muddassar Hameed   +10 more
doaj   +2 more sources

Insights into Antibody-Mediated Alphavirus Immunity and Vaccine Development Landscape

open access: yesMicroorganisms, 2021
Alphaviruses are mosquito-borne pathogens distributed worldwide in tropical and temperate areas causing a wide range of symptoms ranging from inflammatory arthritis-like manifestations to the induction of encephalitis in humans.
Anthony Torres-Ruesta   +2 more
doaj   +2 more sources

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