STAT6 is a transcription factor that serves dual roles in signal transduction and transcriptional activation, primarily responding to interleukin-4 (IL-4) and IL-13 signaling 1. As a key T helper type 2 (Th2)-inducing factor, STAT6 drives pro-allergic immune responses through JAK-STAT pathway activation 2. STAT6 regulates diverse cellular processes including M2 macrophage polarization, efferocytosis, and epithelial barrier function. In stroke pathology, STAT6/Arg1 signaling in microglia and macrophages promotes clearance of dead neurons, reduces inflammation, and improves functional outcomes 3. STAT6 activation also orchestrates tuft cell differentiation and alarmin secretion during helminth infection through O-GlcNAcylation-mediated mechanisms 4. Dysregulation of STAT6 is implicated in multiple pathologies. Germline gain-of-function variants cause early-onset, multi-system allergic disease including severe atopic dermatitis, asthma, and eosinophilic esophagitis 5. STAT6 pathway hyperactivation contributes to keloid fibrosis through IL-13RA2 downregulation and fibroblast proliferation 6. Additionally, STAT6 dysregulation associates with lymphomas and supports immunosuppressive tumor microenvironments through M2 macrophage polarization 1. Selective STAT6 silencing in tumor-associated macrophages via exosome-delivered antisense oligonucleotides demonstrates potent antitumor activity 7, while PROTAC-based STAT6 degraders provide tools for investigating disease mechanisms 8.