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A comparative study on the distribution of concanavalin A and wheat germ agglutinin receptor sites is presented. Normal hamster cell cultures and an SV40-transformed hamster cell line were used, as were normal rat fibroblasts as well as rat cells transformed by polyoma virus, SV40 virus, and adenovirus 12. The localization of these two lectins on the cell(More)
Much indirect evidence suggests that the interconnections of actin microfilaments with the microtubule system are mediated by microtubule-associated proteins (MAPs). In this study we provide new data to support the interaction of a specific tubulin-binding domain on tau with actin in vitro. In actin polymerization assays, the synthetic peptide(More)
The epithelium is the first barrier against pathogens invading the lumen of the human oviduct. Its expression of class II major histocompatibility complex (MHC class II) proteins suggests that it might play a role in antigen presentation during the local immune response. To study the role of the oviductal epithelium in antigen processing, its endocytic(More)
In order to explore the potential value of Chinese hamster ovary (CHO) cells for the isolation of peroxisomal mutants defective in the peroxisomal fatty acid oxidation system, some characteristics of their peroxisomes were studied. Catalase was detected biochemically and histochemically in peroxisome-like particles in cells or in subcellular fractions(More)
Autosomal dominant epilepsy with auditory features results from mutations in leucine-rich glioma-inactivated 1 (LGI1), a soluble glycoprotein secreted by neurons. Animal models of LGI1 depletion display spontaneous seizures, however, the function of LGI1 and the mechanisms by which deficiency leads to epilepsy are unknown. We investigated the effects of(More)
Several biliary proteins have cholesterol crystallisation promoting activity. One of these glycoproteins is aminopeptidase-N, a canalicular ectoenzyme. This study attempted to localise aminopeptidase-N along the biliary tree, to assess its concentration in a series of 98 patients subjected to abdominal surgery, 40 of them without gall stones, and to(More)