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A family of structurally related proteins homologous to the Drosophila mothers against dpp (MAD) gene product have been implicated in signal transduction by members of the TGF-β superfamily. One of(More)
Aggregation of P19 embryonal carcinoma cells in the presence of a factor, secreted by the visceral endoderm-like cell line END-2, induces differentiation to cell types including visceral endoderm,(More)
Hyperplasia of transitional cell epithelium adjacent to human transitional cell carcinomas (TCC) is a common finding in pathology. This hyperplasia may be a precancerous aberration. Alternatively, it(More)
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