For example, LPS and IFNγ are thought to be involved in brain disorders [4]–[6] such as those arising from perinatal intrauterine infections that cause various brain injuries ranging from periventricular leukomalacia (PVL) with permanent motor impairment [4], [7] to adult-onset neuropsychiatric disorders [8], [9]. The gene discussed is IFNG; the disease is periventricular leukomalacia.