ZKSCAN8 is a zinc finger transcription factor belonging to a conserved subclass of Krüppel-family proteins characterized by SCAN box domains. The SCAN domain functions as an oligomerization motif mediating protein-protein associations, suggesting ZKSCAN8 may operate within multi-protein regulatory complexes 1. ZKSCAN8 contains DNA-binding Cys2His2 zinc finger domains enabling sequence-specific binding to RNA polymerase II cis-regulatory regions, positioning it as a transcriptional regulator 2. Unlike some zinc finger proteins, ZKSCAN8 lacks KRAB repressor domains, indicating potentially distinct regulatory mechanisms compared to KRAB-containing orthologs 2. Disease relevance emerged from genome-wide cross-trait analysis revealing ZKSCAN8 as a pleiotropic candidate gene shared between post-traumatic stress disorder (PTSD) and gastrointestinal tract disorders 3. ZKSCAN8 was identified among five genes with significant associations in this shared genetic architecture, implicating it in immune response pathways interconnecting neuropsychiatric and digestive pathophysiology 3. However, direct functional studies demonstrating ZKSCAN8's specific molecular targets and mechanistic roles in these disease contexts remain insufficient in the literature.