| 摘要 |
The present invention relates to a method of identifying a novel protein by exposing, in vivo or in vitro, a cell source or a mixture of cell sources in culture to one or more stimulatory factors. The invention is based on the discovery that exposure of cells to stimulatory factors results in expression of novel proteins, including secreted proteins and intracellular proteins and that the exposed cells can be used to easily identify large numbers of rare transcripts encoding novel proteins.
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