Abstract:
:Mast cells play a key role in immunoglobulin E (IgE)-associated allergic disorders; however, the cellular effects of sensitization remain poorly understood. Using gene microarrays and the multiplexing ELISA method, we examined the effects of sensitization on RBL-CCR1 cell transcription and chemokine/cytokine secretion. Sensitization most prominently increased transcription of Trb3, the gene for tribbles homolog 3 (TRB3), and also increased the release of most of the cytokines and chemokines tested. Knockdown of TRB3 via RNAi significantly induced the production of tumor necrosis factor-α (TNF-α), interleukin-4 (IL-4), interleukin-6 (IL-6), and the chemokine mast cell protease-1 (MCP-1). TRB3 deficiency also induced IκBα phosphorylation. TRB3 may therefore serve as a negative regulator of pro-inflammatory cytokines and chemokines, controlling the extent of the inflammatory response.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
Kuo CH,Morohoshi K,Aye CC,Garoon RB,Collins A,Ono SJdoi
10.1016/j.yexmp.2012.09.008subject
Has Abstractpub_date
2012-12-01 00:00:00pages
408-15issue
3eissn
0014-4800issn
1096-0945pii
S0014-4800(12)00130-Xjournal_volume
93pub_type
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