Title : Tyrosine kinase involvement in IL-1 beta-induced expression of iNOS by beta-cells purified from islets of Langerhans.

Pub. Date : 1994 Jul

PMID : 7519400






6 Functional Relationships(s)
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1 In this report we demonstrate that the cytokine interleukin-1 beta (IL-1 beta) stimulates the expression of iNOS and the formation of nitric oxide (as determined by nitrite formation, a stable oxidative product of nitric oxide) by isolated intact rat islets and by primary beta-cells purified by fluorescence-activated cell sorting (FACS). Nitric Oxide nitric oxide synthase 2 Rattus norvegicus
2 Both the expression of iNOS and nitrite formation induced by IL-1 beta were prevented by the mRNA transcriptional inhibitor actinomycin D. Dactinomycin nitric oxide synthase 2 Rattus norvegicus
3 The tyrosine kinase inhibitors genistein and herbimycin A prevented IL-1 beta-induced expression of immunoprecipitable iNOS and nitrite release by islets, by insulinoma RINm5F cells, and by FACS-purified beta-cells. Genistein nitric oxide synthase 2 Rattus norvegicus
4 The tyrosine kinase inhibitors genistein and herbimycin A prevented IL-1 beta-induced expression of immunoprecipitable iNOS and nitrite release by islets, by insulinoma RINm5F cells, and by FACS-purified beta-cells. herbimycin nitric oxide synthase 2 Rattus norvegicus
5 Herbimycin A and genistein also prevented IL-1 beta-induced iNOS mRNA accumulation as determined by Northern blot analysis of total RNA isolated from RINm5F cells. herbimycin nitric oxide synthase 2 Rattus norvegicus
6 Herbimycin A and genistein also prevented IL-1 beta-induced iNOS mRNA accumulation as determined by Northern blot analysis of total RNA isolated from RINm5F cells. Genistein nitric oxide synthase 2 Rattus norvegicus