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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
24
pubmed:dateCreated
1991-4-4
pubmed:abstractText
We found a dose-dependent inhibition of spontaneous and LPS-induced IL-1 production of isolated human monocytes by methylprednisolone (MP) in vitro. Kinetic studies of spontaneous and LPS-induced IL-1 production of isolated monocytes of 10 normal individuals showed a synchronous circadian rhythm, with its maximum at 4:00 p.m. and its minimum at 4:00 a.m., which is most probably independent of the physiological circadian rhythm of cortisol levels because the IL-1 production was of the same value at the times of maximum and minimum cortisol levels. In contrast, in a patient with hypercortisolism and a preserved circadian rhythm of cortisol levels, we found the minimum of IL-1 production at 4:00 p.m., 8 hours after the maximum cortisol level was reached. Furthermore, in 7 patients with sarcoidosis both spontaneous and LPS-induced IL-1 production of isolated monocytes were significantly decreased 8 hours after the first injection of MP (1 mg/kg bw i.v.) compared to the values before MP administration. Our findings suggest a physiological circadian rhythm of spontaneous and LPS-induced IL-1 production of monocytes, independent of physiological cortisol levels, whereas unphysiological amounts of endogenous and exogenous glucocorticoids cause a substantial inhibition of IL-1 production with a latency time of 8 hours.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0023-2173
pubmed:author
pubmed:issnType
Print
pubmed:day
17
pubmed:volume
68
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1217-21
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Circadian rhythm of interleukin-1 production of monocytes and the influence of endogenous and exogenous glucocorticoids in man.
pubmed:affiliation
Medizinische Klinik, Forschungsinstitut Borstel.
pubmed:publicationType
Journal Article