find a stable efficient CHO expression plasmid

Yigang Tong tongy at CENPOK.NET
Mon Jan 12 04:52:09 EST 1998

I need a CHO plasmid which can express a gene at high level. The plasmid
should carry a selective marker such as DHFR, GS or ADA gene which
enables the plasmid to integrate into the host genome by multicopy.

Dose anyone know where I can get such a vector?


Yigang Tong
email: tongy at
Tel/Fax: 63837484 (available at 18:00-22:00 Beijing time)
Add: 20 Dongdajie (59175), Fengtai, Beijing 100071, PR China.
ICQ: 6839586

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