Symptoms of TYK2 Gene Tyrosine Kinase 2 Deficiency Genetic Test Tyrosine kinase 2 (TYK2) deficiency is a rare genetic disorder that affects the immune system. The TYK2 gene plays a critical role in the signaling pathways that regulate immune responses, including the defense against pathogens. Individuals with TYK2 deficiency may present a range of symptoms, […]
