Aicardi-Goutieres Syndrome 1, also known as pseudotoxoplasmosis syndrome, is related to aicardi-goutieres syndrome and chilblain lupus 1, and has symptoms including seizures, petechiae of skin and muscle spasticity. An important gene associated with Aicardi-Goutieres Syndrome 1 is TREX1 (Three Prime Repair Exonuclease 1), and among its related pathways/superpathways is Chks in Checkpoint Regulation. Affiliated tissues include eye and bone marrow, and related phenotypes are splenomegaly and spasticity