Potent and Selective Antiplasmodial Activity of the Cyanobacterial Alkaloid Nostocarboline and its Dimers
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BACKGROUND: Genetically engineered dendritic cells (DC) presenting specific antigens to T cells may be of great interest for immunotherapy. For this reason, the production of transgene-expressing DC derived from CD34 + cells transduced either shortly after ...
Hes1, a major target gene in Notch signaling, regulates the fate and differentiation of various cell types in many developmental systems. To gain a novel insight into the role of Hes1 in corneal tissue, we performed gain-of-function and loss-of-function st ...
Mesenchymal cells in the developing pancreas express the neural stem cell marker nestin and the transcription factor islet-1 (Isl-1). Using defined culture conditions we isolated on a single cell basis nestin producing cells from human pancreatic islets. T ...
In this issue of Cell, Coppens and coworkers (Coppens et al., 2006) describe how Toxoplasma gondii, an obligate intracellular parasite, feeds on the host. Coppens et al. provide evidence that the parasite takes host cell endosomes and lysosomes hostage by ...
CD8+ memory T cells have recently been recognized as playing a key role in natural immunity against unrelated viral infections, a phenomenon referred to as "heterologous antiviral immunity." We now provide data that the cellular immunological interactions ...
Parasitic protozoa infecting humans have a staggering impact on public health, especially in the developing world. Furthermore, several protozoan species are major pathogens of domestic animals and have a considerable impact on food production. In many ins ...
Asynchronous and synchronous calcium oscillations occur in a variety of cells. A well-established pathway for intercellular communication is provided by gap junctions which connect adjacent cells and can mediate electrical and chemical coupling. Several ex ...
IgE induction by parasites and allergens is antigen driven and cognate T cell help dependent. We demonstrate that spontaneously produced IgE in T cell-deficient and germ-free wild-type (wt) mice is composed of natural specificities and induced by a mechani ...
Exposure to human serum induces the lysis of xenogeneic cells through natural antibodies and complement activation. The carbohydrate Galactose-alpha1,3-Galactose (Gal-alpha1,3-Gal) epitope, has been shown to be the principal antigenic determinant on target ...
Nuclear factor of activated T (NFAT) cells is a family of transcription factors important for the regulation of cytokine expression by CD4+ T cells. Whilst a number of studies have examined NFAT activity of in vitro generated CD4+ T helper (Th)1 and Th2 ce ...