Title : Histamine enhances the production of human beta-defensin-2 in human keratinocytes.

Pub. Date : 2007 Dec

PMID : 17928537






6 Functional Relationships(s)
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1 Histamine enhanced TNF-alpha- or IFN-gamma-induced hBD-2 secretion and mRNA expression. Histamine tumor necrosis factor Homo sapiens
2 Histamine alone enhanced transcriptional activities of NF-kappaB and activator protein-1 (AP-1) and potentiated TNF-alpha-induced NF-kappaB and AP-1 activities or IFN-gamma-induced NF-kappaB and STAT1 activities. Histamine tumor necrosis factor Homo sapiens
3 Antisense oligonucleotides against NF-kappaB components p50 and p65, AP-1 components c-Jun and c-Fos, or H1 antagonist pyrilamine suppressed hBD-2 production induced by histamine plus TNF-alpha or IFN-gamma. Histamine tumor necrosis factor Homo sapiens
4 Histamine induced serine phosphorylation of inhibitory NF-kappaBalpha (IkappaBalpha) alone or together with TNF-alpha or IFN-gamma. Histamine tumor necrosis factor Homo sapiens
5 Histamine induced c-Fos mRNA expression alone or together with TNF-alpha, whereas it did not further increase c-Jun mRNA levels enhanced by TNF-alpha. Histamine tumor necrosis factor Homo sapiens
6 These results suggest that histamine stimulates H1 receptor and potentiates TNF-alpha- or IFN-gamma-induced hBD-2 production dependent on NF-kappaB, AP-1, or STAT1 in human keratinocytes. Histamine tumor necrosis factor Homo sapiens