The combination of lipopolysaccharide (LPS) and hypoxia-ischemia (HI) has been used to model the brain injury sustained by sick pre-term infants in order to study the pathological conditions of diffuse white matter injury, which is a major cause of preterm morbidity. Prior studies have shown that the timing and dose of LPS administration will determine whether the injury is reduced or exacerbated. Here we show that administering a single injection of LPS (0.
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