doi: 10.1016/0014-5793(90)80699-j.
Modulation of interleukin-1 beta production by cyclic AMP in human monocytes
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- PMID: 2158905
- DOI: 10.1016/0014-5793(90)80699-j
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Modulation of interleukin-1 beta production by cyclic AMP in human monocytes
FEBS Lett.
.
Free article
Abstract
Elevation of cAMP has been considered to be an important downregulative signal in the production of interleukin-1(IL-1). This study demonstrates that this phenomenon is dependent on the signal used to activate the IL-1 production. The IL-1 beta production of lipopolysaccharide activated human monocytes was readily inhibited by dibutyryl cAMP. This took place without a significant change in the steady-state levels of IL-1 beta mRNA. By contrast, in PMA activated monocytes 100 microM dibutyryl cAMP increased in IL-1 beta production ca. 4-fold. The steady-state levels of IL-1 beta mRNA were also simultaneously increased.
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