| 摘要 |
Isoforms of cell surface receptors, including isoforms of receptor tyrosine kinases, and pharmaceutical compositions containing the isoforms are provided. Chimeras of and conjugates containing the cell surface receptors that contain a portion, such as an extracellular domain, from one cell surface receptor, and a second portion, particularly an intron-encoded portion, from a second cell surface protein also are provided. The isoforms modulate the activity of a cell surface receptor. Methods for identifying and preparing isoforms of cell surface receptors including receptor tyrosine kinases are provided. Also provided are methods of treatment with the cell surface receptor isoforms.
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