IL13 and hydrops fetalis: Of the 25 cytokines tested treatments with P50 significantly increased levels of putative-neuroprotective cytokines IL-1α, IL-2, IL-5, IL-13, IL-17, and IP-10, compared to HF-Saline treated mice, ANOVA, Dunnett’s post hoc, p < 0.05 (Fig. 6A–F).