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Formation of 12L-Hydroxyeicosatetraenoic Acid (12-HETE) by Gingival Tissue
B. Sidhagen
Department of Pharmocology, Karolinska Institutet, S-104 01 Stockholm, Sweden
M. Hamberg
Department of Chemistry, Karolinska Institutet, S-104 01 Stockholm, Sweden
B.B. Fredholm
Department of Pharmocology, Karolinska Institutet, S-104 01 Stockholm, Sweden
Extracts of inflamed human gingival tissue converted exogenous [14C] -arachidonic acid mainly to a non-prostaglandin metabolite. This metabolite was identified as 12-hydroxyeicosatetraenoic acid (12-HETE) by gas-liquid chromatography-mass-spectometry. Endogenous arachidonic acid was also converted to 12-HETE. Significant formation of PGF2 , PGD2, PGI2, Thromboxane B, or 12-HHT could not be detected, but, in occasional experiments, significant conversion of arachidonic acid to PGE2 was found.
Journal of Dental Research, Vol. 61, No. 6,
761-763 (1982)
DOI: 10.1177/00220345820610062101

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