Predicted to enable mRNA 3'-UTR AU-rich region binding activity. Involved in positive regulation of epithelial cell apoptotic process. Located in cytoplasmic stress granule and nucleus. Part of ribonucleoprotein complex. Biomarker of transient cerebral ischemia. Orthologous to human TIA1 (TIA1 cytotoxic granule associated RNA binding protein). [provided by Alliance of Genome Resources, Apr 2022]