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ObjectiveSpondylarthritides (SpA), including ankylosing spondylitis (AS), are common inflammatory rheumatic diseases that are strongly associated with positivity for the HLA class I allotype B27. HLA–B27 normally forms complexes with β2‐microglobulin (β2m) and peptide to form heterotrimers. However, an unusual characteristic of HLA–B27 is its ability to form β2m‐free heavy chain homodimers (HLA–B27...
Vaccine strategies that target dendritic cells to elicit potent cellular immunity are the subject of intense research. Here we report that the genetically engineered yeast Saccharomyces cerevisiae, expressing the full‐length tumour‐associated antigen NY‐ESO‐1, is a versatile host for protein production. Exposing dendritic cells (DCs) to soluble NY‐ESO‐1 protein linked to the yeast a‐agglutinin 2 protein...
Here we report that genetically engineered yeast of the strain Saccharomyces cerevisiae expressing full-length influenza matrix protein (IMP) attached to the yeast cell wall are a very versatile host for antigen delivery. Feeding of dendritic cells with either intact yeast expressing IMP protein or soluble IMP protein cleaved off the cell wall resulted in protein uptake, processing and cross-presentation...
The Golgi associated retrograde protein complex (GARP) or Vps fifty-three (VFT) complex is part of cellular inter-compartmental transport systems. Here we report the identification of the VFT tethering factor complex and its interactions in mammalian cells. Subcellular fractionation shows that human Vps proteins are found in the smooth membrane/Golgi fraction but not in the cytosol. Immunostaining...
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