C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/12 (2006.01) A61K 38/18 (2006.01) A61K 39/395 (2006.01) C07H 21/02 (2006.01) C07K 14/475 (2006.01) C12N 15/18 (2006.01) A61K 38/00 (2006.01)
Patent
CA 2079218
2079218 9115510 PCTABS00007 A novel family of growth regulatory proteins termed ''epithelins'' are described. The epithelins comprise several distinct members sharing significant structural homology. Two members of the epithelin family, epithelin 1 and epithelin 2, have been purified from natural sources. In addition cDNA and PCR clones encoding mature and precursor epithelins from various chordate sources have been obtained and sequenced, including the complete human, mouse and rat epithelin precursors. The recombinant expression of rat epithelin precursor and mature forms is described. Purified epithelin 1 is a bifunctional growth regulator, capable of stimulating the growth of some cell types while inhibiting the growth of others. Purified epithelin 2 is functionally similar to epithelin 1 with respect to growth inhibitory bioactivity. In contrast, however, epithelin 2 is apparently not capable of eliciting the growth stimulatory activity characteristic of epithelin 1 and, in fact, antagonizes this epithelin 1 activity.
Plowman Gregory D.
Shoyab Mohammed
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
LandOfFree
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