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  • Title: Responses of baboons to traditionally pyrogenic agents.
    Author: Zurovsky Y, Laburn H, Mitchell D, MacPhail AP.
    Journal: Can J Physiol Pharmacol; 1987 Jun; 65(6):1402-7. PubMed ID: 3621085.
    Abstract:
    It is not clear whether baboons develop fever in response to endotoxin or other pyrogens. We injected various pyrogens intravenously in 12 unrestrained baboons (Papio ursinus) and measured their body temperature using intra-abdominal radiotelemeters. Serum iron concentration was also measured. The baboons developed fever after injection of killed Staphylococcus aureus (5 X 10(7) organisms/kg). No significant fever was measured after injection of lipopolysaccharide (Salmonella typhosa) (0.1, 8, 40, and 100 micrograms/kg), bovine serum albumin (4 mg/kg), killed Salmonella minnesota (5 X 10(7) organisms/kg), and killed Salmonella typhi (5 X 10(7) organisms/kg). A significant decrease in serum iron concentration was found only after injection of S. aureus and lipopolysaccharide, 100 micrograms/kg. The phagocytic synthesis of interleukin-1 following pyrogen stimulation in baboons and some other primates appears to differ from that in man and in nonprimates.
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