IL1B and schizophrenia: Moreover, in mice exposed to MIA, offspring who are susceptible (those that show, as adults, deficits in social and cognitive behaviours relevant for schizophrenia) have elevated plasma levels of IL-1β (among other cytokines), as compared to control mice and MIA-exposed mice that are resilient to MIA i.e. they do not show these abnormal behaviours (Mueller et al., 2021).