Patent · US Expired

Sustained production of recombinant gamma interferon using an Epstein-Barr virus replicon

US4939088A · kind A · utility

7Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1987
Grant dateJul 3, 1990
Priority date
Expiry dateFeb 18, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N2710/16243
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A recombinant DNA expression vector comprising an Epstein-Barr virus origin of replication, an EBNA-1 gene, a selectable marker expression cassette and a human gamma interferon expression cassette comprising a promoter region, an open reading frame encoding human gamma interferon and a polyadenylation region; a mammalian host cell transformed by said vector; and a process for producing human gamma interferon using said transformed mammalian host cell.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.