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J Physiol Vol 291 pp 29-35
Copyright © 1979 by The Physiological Society
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Intraventricular microinjections of a stable analogue of prostaglandin endoperoxide cause fever in rabbits.

C J Harrisberg, H Laburn and D Mitchell

1. Derivatives of arachidonic acid other than prostaglandin are pyrogenic, the likely candidates being the prostaglandin endoperoxides and/or the thromboxanes. 2. Intraventricular microinjections in rabbits of a stable analogue of prostaglandin endoperoxide resulted in dose-dependent increases of rectal temperature. The pyrexia was delayed in onset; no significant change in body temperature occurred for at least an hour. 3. The pyrexia was unaltered by simultaneous injection of the potent prostaglandin synthetase inhibitor indomethacin. 4. We suggest that both prostaglandins and prostaglandin endoperoxides may be implicated in fever.







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