CSNK1G2 (casein kinase 1 gamma 2) encodes a serine/threonine protein kinase that serves multiple critical cellular functions. The enzyme phosphorylates various protein substrates and participates in diverse signaling pathways 1. CSNK1G2 plays a crucial role in necroptosis regulation by binding and inhibiting receptor-interacting kinase 3 (RIPK3) through auto-phosphorylation at serine 211/threonine 215 sites, thereby preventing premature testis aging 2. The kinase is essential for oxidative stress response and ROS homeostasis, functioning through interactions with the NADPH dual oxidase complex, specifically binding to DOXA-1 in C. elegans and its human ortholog DUOXA2 3. In brain development, CSNK1G2 affects vesicular trafficking and neurotransmitter release from synaptic vesicles, with polymorphisms associated with simple febrile seizures in Chinese populations 4. The gene shows potential therapeutic relevance, identified as a candidate target for neonatal respiratory distress syndrome through Mendelian randomization studies 5. Additionally, CSNK1G2 is involved in male fertility, with expression changes affecting spermatogenesis through miRNA-mRNA regulatory networks 6. Recurrent fusion genes involving CSNK1G2 have been detected in mucinous breast cancer 7.