Lassa virus (LASV) is the causative agent of Lassa hemorrhagic fever (LF) in humans, a deadly disease endemic to West Africa that results in 5,000 to 10,000 deaths annually. Here we present results demonstrating that functional type I and type II interferon (IFN) signaling is required for efficient control of LASV dissemination and clearance.
Immediate-early protein ICP0 of herpes simplex virus type 1 (HSV-1) is an E3 ubiquitin ligase of the RING finger class that is required for efficient lytic infection and reactivation from latency. Other alphaherpesviruses also express ICP0-related RING finger proteins, but these have limited homo...
The complement component 9 (C9), a major cytolytic protein in the complement system, plays an important role in the immunological process. However, associations between genetic variations of the complement factor and chronic hepatitis B virus infection still need to be investigated. ...
Lassa virus (LASV) causing hemorrhagic Lassa fever in West Africa, Mopeia virus (MOPV) from East Africa, and lymphocytic choriomeningitis virus (LCMV) are the main representatives of the Old World arenaviruses. Little is known about how the components of the arenavirus replication machinery, i.e....
Venezuelan equine encephalitis virus (VEEV) is a mosquito-borne RNA virus of the genus Alphavirus, family Togaviridae, that is responsible for sporadic outbreaks in human and equid populations in Central and South America. In order to ascertain the role that complement plays in resolving VEEV-ind...
Microglia are key players of the immune response in the central nervous system (CNS) and, being the resident innate immune cells, they are responsible for the early control of infections and for the recruitment of cells of the adaptive immune system required for pathogen clearance. The innate and...
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Early studies of the immune system disclosed that, generally, females exhibit stronger responses to a variety of antigens than males. Perhaps as a result of this response, women are more prone to developing autoimmune diseases than men. Yet, the precise cellular and molecular mechanisms remain un...
During natural infection, the Tomato bushy stunt virus (TBSV) silencing suppressor protein P19 is expressed at high levels, which are required for optimum viral pathogenicity and silencing suppression. To date, expression of P19 in transgenic host plants has failed to achieve comparable expressio...
The antiviral cascade triggered by interferon-I3 (IFN-I3) represents a vital event for eradicating hepatitis B virus (HBV) in experimental animals. IFN-I3 signaling is mediated through the ligand binding to IFN-I3 receptor 1 (IFNGR1). Control of IFNGR1 expression level is one of the mechanisms by...
Plants have been proposed as an attractive alternative for pharmaceutical protein production to current mammalian or microbial cell-based systems. Eukaryotic protein processing coupled with reduced production costs and low risk for mammalian pathogen contamination and other impurities have led ma...
Induction of antigen-specific CD8+ T cells bearing a high-avidity T-cell receptor (TCR) is thought to be an important factor in antiviral and antitumor immune responses. However, the relationship between TCR diversity and functional avidity of epitope-specific CD8+ T cells accumulating in the cen...
