N-heterocyclic compounds that block cytokine production via inhibition of p38 kinase are disclosed. In one embodiment, compounds of the present invention are represented by Formula (I): ##STR00001## Methods of production, pharmaceutical compositions and methods of treating conditions associated with inappropriate p38 kinase activity or TNF-.alpha. expression utilizing compounds of the present invention are also disclosed.

 
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> Immunosuppressive effects of 8-substituted xanthine derivatives

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