MOUSE MODEL--TARGETED GENE KNOCK-OUT OF PROSTAGLANDIN SYNTHASE I AND II

Environmental Health Sciences

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Abstract

Summary of Work: A series of projects to elucidate the physiological functions of the individual cyclooxygenase (COX) isoforms are ongoing with the COX knockout mice. Mice deficient in both COX1 and COX2 have been produced. These mice, and mice carrying only a single copy of one of the COX genes, are being used to determine the physiological roles of the individual COX isoforms and to elucidate the ways in which the two isoforms act individually or in conjunction. Mice deficient in both isoforms die shortly after birth of patent ductus arteriosus, but are otherwise developmentally normal.