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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
1986-1-29
pubmed:abstractText
The fever responses of rats and rabbits were compared in detail using a single common source of semipurified endogenous pyrogen prepared from human monocytes. The characteristics and dynamics of the fever-response curves for each species were examined and their dose-response curves were determined and compared. The fevers displayed by rats were qualitatively similar to those of rabbits, but, typically, they developed and terminated more rapidly than those of rabbits. Rabbits were much more sensitive to the endogenous pyrogen than rats. The threshold dose of pyrogen required to elicit a fever was 5 times lower in the rabbit, and the slope of the rabbit's dose-response curve was 1.5 times steeper than that of the rat. The maximum fevers attainable in rabbits were approximately twice those attainable in rats. It was also shown that the more rapid febrile responses of the rat were not due to the 10-fold smaller mass of the rat; instead, we proposed that this difference was more likely due to a closer diffusional proximity of the pyrogen receptor sites to the circulation in rats. The lower sensitivity of the rat to endogenous pyrogen was attributed to a relative insensitivity of the pyrogen receptor sites in rats in the translation of the endogenous pyrogen stimulus into fever.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
8750-7587
pubmed:author
pubmed:issnType
Print
pubmed:volume
59
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1721-5
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Comparison of febrile responsiveness of rats and rabbits to endogenous pyrogen.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.