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pubmed:abstractText |
We have identified a cDNA coding for a protein of 160 kDa which is expressed in in vitro cultured human peripheral blood monocytes. The predicted amino acid sequence contains an alpha-helical rod domain possessing features characteristic of intermediate filament proteins. However, the immunocytochemical staining pattern, abundance and solubility in Triton X-100/high salt buffers suggest that this protein is probably only associated with the intermediate filament network and represents a new type of intermediate filament associated protein. In a survey of normal, inflammatory and human tumour tissue samples, this protein, which we have named restin, was found to be highly expressed in Reed-Sternberg cells, the tumoral cells diagnostic for Hodgkin's disease. We suggest that restin overexpression may be a contributing factor in the progression of Hodgkin's disease.
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