Title : Yeast zymosan, a stimulus for TLR2 and dectin-1, induces regulatory antigen-presenting cells and immunological tolerance.

Pub. Date : 2006 Apr

PMID : 16543948






4 Functional Relationships(s)
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1 First, zymosan induces DCs to secrete abundant IL-10 but little IL-6 and IL-12(p70). Zymosan interleukin 10 Mus musculus
2 Consistent with these effects on APCs, injection of zymosan plus OVA into mice results in OVA-specific T cells that secrete little or no Th1 or Th2 cytokines, but secrete robust levels of IL-10, and are unresponsive to challenge with OVA plus adjuvant. Zymosan interleukin 10 Mus musculus
3 Finally, coinjection of zymosan with OVA plus LPS suppresses the response to OVA via a mechanism dependent on IL-10, TGF-beta, and lack of IL-6. Zymosan interleukin 10 Mus musculus
4 Together, our data demonstrate that zymosan stimulates IL-10+ IL-12(p70)- IL-6low regulatory DCs and TGF-beta+ macrophages to induce immunological tolerance. Zymosan interleukin 10 Mus musculus