(19)
(11) EP 0 535 161 A1

(12)

(43) Date of publication:
07.04.1993 Bulletin 1993/14

(21) Application number: 91914700.0

(22) Date of filing: 18.06.1991
(51) International Patent Classification (IPC): 
C12N 5/ 10( . )
C12N 15/ 09( . )
C12Q 1/ 68( . )
G01N 33/ 569( . )
C07K 14/ 16( . )
C12P 21/ 00( . )
G01N 33/ 53( . )
C12R 1/ 91( . )
(86) International application number:
PCT/US1991/004333
(87) International publication number:
WO 1991/019817 (26.12.1991 Gazette 1991/29)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 20.06.1990 US 19900540745

(71) Applicant: DANA FARBER CANCER INSTITUTE
Boston Massachusetts 02115 (US)

(72) Inventors:
  • HASELTINE, William, A.
    Cambridge, MA 02140 (US)
  • TERWILLIGER, Ernest
    Boston, MA 02215 (US)
  • LANGHOF, Erik
    Watertown, MA 02172 (US)

(74) Representative: Davies, Jonathan Mark 
Reddie & Grose 16 Theobalds Road
London WC1X 8PL
London WC1X 8PL (GB)

   


(54) EXPRESSION VECTORS CONTAINING THE HIV $i(nef) GENE TO ENHANCE REPLICATION EFFICIENCY