doi: 10.1016/0090-6980(77)90190-3.
Identification of prostaglandin D2 as a major prostaglandin in homogenates of rat brain
- PMID: 594367
- DOI: 10.1016/0090-6980(77)90190-3
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Identification of prostaglandin D2 as a major prostaglandin in homogenates of rat brain
Prostaglandins.
1977 Oct.
Abstract
Prostaglandin (PG) E2, D2, F2alpha and thromboxane B2 (TxB2) were determined in homogenates of rat brain by gas-chromatography--mass spectrometry. The level of PGD2 was 735 +/- 19 ng/g, of PGF2alpha 150 +/- 13 ng/g, of TxB2 112 ng/g and of PGE2 86 +/- 8 ng/g. The same relative proportions of cyclooxygenase products were found in incubates of unstimulated sliced rat brain. 14C-PGH2 was converted in high yield into PGD2 by enzyme(s) present in the soluble fraction of the homogenate. These results indicate that PGD2 is the major cyclooxygenase product in the central nervous system of the rat.
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