(19)

(11)

EP 0 423 207 A1

(12)

(43) Date of publication: 24.04.1991 Bulletin 1991/17 (21) Application number: 89908238.0 (22) Date of filing: 06.07.1989

(51) International Patent Classification (IPC):  G01N 33/ 53( . ) A61P 35/ 00( . ) C07K 1/ 20( . ) C07K 16/ 00( . ) C12P 21/ 08( . ) A61K 38/ 00( . ) A61P 43/ 00( . ) C07K 14/ 52( . ) C12P 21/ 00( . ) C12R 1/ 91( . ) (86) International application number: PCT/GB1989/000768 (87) International publication number: WO 1990/000567 (25.01.1990 Gazette 1990/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 06.07.1988 GB 19880016095 (71) Applicant: CANCER RESEARCH CAMPAIGN TECHNOLOGY LTD. London SW1Y 5AR (GB)	(72) Inventor: SCHOR, S. L., c/o Dpt. of Cell And Struct. Biology Manchester M13 9PL L (GB) (74) Representative: Cresswell, Thomas Anthony, et al  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)