| 摘要 |
A method of marking a eukaryotic (mammalian) cell by expressing in this cell a nucleic acid, said nucleic acid encoding a cell surface receptor, and by subsequently presenting said receptor at the cell surface, characterized by using a nucleic acid in which the region encoding the intracellular domain of the receptor has been completely or partly deleted or modified in such a way that the receptor presented at the surface cannot, after binding to its binding partner, effect any signal transduction, is effective and usable in gene therapy.
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