Subject: Cetus Receives 2 Patents For Diagnostic Testing
Date: Published: 4/16/86 26 lines
Source:  Wall Street Journal.  Copyright Dow Jones & Co. Inc. 

   Cetus Receives 2 Patents
   For Diagnostic Testing

   EMERYVILLE, Calif. -- Cetus Corp. said the U. S. Patent and
Trademark Office has issued two patents for its work in
diagnostic testing using synthetic DNA. 
   The biotechnology concern has been experimenting with DNA
"probes," which attach themselves to certain genes and enable
scientists to detect such diverse targets as sickle-cell
anemia and AIDS, or acquired immune deficiency syndrome.
   Cetus said one of the new patents covers the colored
"labeling" system used to identify the probes after they
combine with their targets.  It said the other patent covers
methods for HLA typing, which is used for determining
paternity, tissue typing for organ transplants, and
determining disease susceptibility.

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