PPL Therapeutics PLC funded in 1987, was a company developping therapeutic propteins produced in transgenic animals. This company created the first ever transgenic big animal: Dolly the sheep which had the capacity to produce alpha-1-antitrypsine (AAT) in its milk. This molecule is a drug against cystic fibrosis. PPL went public on LSE in London in June 1998.

Biopharmaceuticals