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Human term myometrium is poorly characterized as a source of proinflammatory mediators involved in parturition. We have investigated the basal expression of cytokines in myometrium, as well as the effects of CRH and lipopolysaccharide (LPS) on cytokine release. Explants from term myometrium were challenged with CRH or LPS (1 microg/mL each) in short-term(More)
U. maydis is a fungal pathogen of corn with two forms: one is yeast-like and nonpathogenic; the other is filamentous and pathogenic. The b locus, with 25 different alleles, regulates this dimorphism: any combination of two different alleles triggers pathogenic development, whereas the presence of identical alleles results in the yeast-like form. We have(More)
We have cloned a bovine cDNA encoding the trans-Golgi network (TGN) protease furin and expressed it via recombinant vaccinia viruses to investigate intracellular maturation. Pulse-chase labeling reveals that the 104-kD pro-furin bearing high mannose N-glycans is rapidly processed into the 98-kD protease whose N-glycans remain sensitive to endoglycosidase H(More)
Certain genes of Nectria haematococca, a fingal pathogen of pea (Pisum sativum), encode pisatin demethylase (pda), a cytochrome P-450 monoxygenase that detoxifies the phytoalexin pisatin. Because pda is required by N.haematococca for pathogenicity on pea, pisatin helps defend pea against N. haematococca. The possibility that pisatin is a general defense(More)
The eukaryotic subtilisin-like endoprotease furin is found predominantly in the trans-Golgi network (TGN) and cycles between this compartment, the cell surface, and the endosomes. There is experimental evidence for endocytosis from the plasma membrane and transport from endosomes to the TGN, but direct exit from the TGN to endosomes via clathrin-coated(More)
The salient features of this model for oncornavirus assembly are that uncleaved precursor molecules to the internal virus polypeptides possess specific recognition sites both for viral envelope constituents already inserted in the cell membrane and for the viral RNA. After orderly alignment of these components at the budding site, virus maturation proceeds(More)
Recent research suggests a significant role for placental corticotropin-releasing hormone (CRH) in controlling human parturition. This paper describes the expression of CRH, CRH receptors 1 and 2, and CRH binding protein (CRH-BP) in gestational tissue in late pregnancy. Placenta, myometrium, decidua, and fetal membranes were collected after uncomplicated(More)