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Persaud et al., Diabetes 2007
(Cadaver) :
Perifusion experiments with human islets indicated that PLA(2) inhibition inhibited glucose stimulated insulin secretion, whereas inhibitors of
COX-2 and 12-LOX enzymes
enhanced basal
insulin secretion and also secretory responses induced by 20 mmol/l glucose or by 50 mumol/l arachidonic acid
Martins et al., Cell Physiol Biochem 2008
:
In the present study, we investigated the
effect of
insulin on the LPS induced production of nitric oxide ( NO ) and prostaglandin ( PG ) -E ( 2 ), on the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase
(COX)-2 , and on nuclear factor kappa B (NF-kappaB) activation in AMs
Collino et al., Diabetes 2009
(Body Weight...) :
At 24 h of reperfusion, TDZD-8 and
insulin significantly
reduced plasma levels of tumor necrosis factor-alpha ; neutrophil infiltration, measured as myeloperoxidase activity and intercellular-adhesion-molecule-1 expression ; and
cyclooxygenase-2 and inducible-NO-synthase expression
Parazzoli et al., J Biol Chem 2012
:
IL-1ß inhibited glucose stimulated insulin secretion equally in both WT and mPGES-1 ( -/- ) islets, indicating that
COX-2 , not mPGES-1,
mediates IL-1ß induced PGE ( 2 ) production and subsequent inhibition of
insulin secretion
Guan et al., Am J Physiol 1998
:
We demonstrate that both
insulin and IGF-I
increase IL-1 beta induced
Cox-2 and iNOS protein expression, which in turn enhance PGE2 and NO production