Method of purification of leukaemia inhibitory factor (LIF) and of pharmaceutical compounds containing polypeptides with activity of the lif

摘要

A leukaemia-inhibitory factor (LIF) is disclosed, together with a method of preparation of LIF in essentially pure form. Nucleotide and amino acid sequences are disclosed, together with recombinant DNA molecules and host cells for production of polypeptides having LIF activity.