References:

1. Liu B et al: Inhibition of Stat1-mediated gene activation by PIAS1. Proc. Natl. Acad. Sci. USA1998; 95: 10626-31.2. Shuai K et al: Regulation of gene-activation pathways by PIAS proteins in the immune system. Nat. Rev. Immunol.2005; 5:593-605.3. Chung CD et al: Specific inhibition of Stat3 signal transduction by PIAS3. Science1997; 278:1803-5.4. Wang L B et al: Differential PIAS3 expression in human malignancy. Oncol. Rep.2004; 11:1319-24.5. Zhang Q et al: Multilevel dysregulation of STAT3 activation in anaplastic lymphoma kinase-positive T/null-cell lymphoma. J. Immunol.2002; 168:466-7.