Regulated tissue-specific alternative splicing of enhanced green fluorescent protein transgenes conferred by alpha-tropomyosin regulatory elements in transgenic mice.

Abstract excerpt

The mutually exclusive exons 2 and 3 of alpha-tropomyosin (alphaTM) have been used as a model system for strictly regulated alternative splicing. Exon 2 inclusion is only observed at high levels in smooth muscle (SM) tissues, whereas striated muscle and non-muscle cells use predominantly exon 3. Experiments in cell culture have shown that exon 2 selection results from repression of exon 3 and that this repression...

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