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Double-stranded RNA-dependent protein kinase (PKR) has been implicated in interferon (IFN) induction, antiviral response and tumor suppression. We have generated mice devoid of functional PKR (Pkr%). Although the mice are physically normal and the inductio ...
The lymphokine IFN-gamma is a pleiotropic immunomodulator and possesses intrinsic antiviral activity. We studied its significance in the development of antiviral immune responses by using IFN-gamma receptor-deficient (IFN-gamma R-/-) mice. After inoculatio ...
The CD28 costimulatory pathway is critical to T cell activation. Blockade of the interaction of CD28 with its ligands CD80 and CD86 using CTLA4-Ig has been proposed as a therapy for a number of immune-based disorders. We have used a murine model of influen ...
The human and simian immunodeficiency viruses (HIV and SIV, respectively) are members of the lentiviridae subgroup of retroviruses that cause a progressive failure of the host immunological functions culminating in the clinical collapse known as AIDS, or a ...
A framework for the construction of stable spectral methods on arbitrary domains with unstructured grids is presented. Although most of the developments are of a general nature, an emphasis is placed on schemes for the solution of partial differential equa ...
The genomes of human viruses herpes simplex 1 (HSV1) and varicella zoster (VZV), although similar in biology, largely concordant in gene order, and identical in many amino acid segments, differ widely in their genomic G + C (abbreviated S) content, which i ...
TRIM5alpha is a restriction factor that limits infection of human cells by so-called N- but not B- or NB-tropic strains of murine leukemia virus (MLV). Here, we performed a mutation-based functional analysis of TRIM5alpha-mediated MLV restriction. Our resu ...
Viral replication usually requires that innate intracellular lines of defence be overcome, a task usually accomplished by specialized viral gene products. The virion infectivity factor (Vif) protein of human immunodeficiency virus (HIV) is required during ...
The water soluble ruthenium-p-cymene complexes Ru(eta(6)-p-cymene)X-2 (X = Cl, Br, I or NCS), [Ru(eta(6)-p-cymene)X-2(pta)] (X=Cl, Br, I, or NCS; pta=1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane) and the tetraruthenium cluster [H4Ru4(eta(6)-p-benzene ...
Papillomaviruses are believed to play an important role in the development of genital carcinoma. Herpes simplex virus (HSV) has been proposed as a cofactor. Here we show that HSV-1 interferes with the expression of human papillomavirus (HPV-18) genes in He ...
