Mammalian expression vectors

US5627033A · kind A · utility

Assignee

• Research & Diagnostics Systems, Inc. · US

Inventors

• John M. Smith · Everett, US
• John E. Humphrey · Maple Grove, US
• Monica L. Tsang · Sauk Centre, US
• James A. Weatherbee · North Oaks, US

Key dates

• Filing date: Mar 28, 1995
• Grant date: May 6, 1997
• Expiry date: Mar 28, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12N15/85
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

A vector system that allows the rapid and effective screening of recombinant constructs. The vector system includes a marker protein useful for identifying transfected cell lines, wherein the promoter used to express the marker protein has be substantially weakened in comparison to its corresponding wild type form.