ZNHIT1 is a zinc finger protein that functions as a critical component of the SRCAP chr7 remodeling complex, mediating the deposition of histone variant H2A.Z to regulate gene expression across multiple biological contexts 1. In neural cells, ZNHIT1 increases H2A.Z deposition and promotes neurite growth, protecting against α-synuclein-induced neurodegeneration and mitochondrial dysfunction in Parkinson's disease models 2. ZNHIT1 interacts with mitochondrial proteins involved in ATP synthesis, suggesting direct roles in cellular energy metabolism 3. Beyond neurobiology, ZNHIT1 dysregulation is implicated in cancer pathogenesis. Germline mutations in ZNHIT1 predispose women to uterine leiomyomas through defective H2A.Z deposition, creating epigenetic instability 45. In breast cancer, ZNHIT1 is significantly downregulated and negatively correlates with cancer stem cell markers 6. ZNHIT1 was identified as a candidate gene linked to clear cell renal cell carcinoma progression through fatty acid metabolism reprogramming 7. Additionally, CRISPR screening studies have established ZNHIT1 as a potential target for cancer reprogramming therapy 8. Together, these findings position ZNHIT1 as a multifunctional epigenetic regulator with important roles in neuroprotection and tumor suppression.