Fig 1: PUFA ?-3 alleviates sodium nitrite exposure-induced cerebral cortical tissue damage in fetal rats via the NRF1/HMOX1 pathway.(A) TNF and IL-1B concentrations were detected by ELISA, n = 3 rats/group. (B-C) The mRNA and protein expression levels of Tnf, Nos2, and Il1b were detected by qRT-PCR and western blot, n = 3 rats/group. Original blots are presented in S2A Fig. (D) Expression levels of SOX2, ENO2, and TUBB3 in the brain cortical tissue of each group were detected by IF, n = 3 rats/group. (E) IOD data statistics of SOX2, ENO2, and TUBB3 expression in the brain cortical tissue of each group were analyzed by Image-Pro-Plus, n = 3 rats/group. (F-H) Nrf1 and Hmox1 mRNA and protein expression levels were analyzed by qRT-PCR and western blot, n = 3 rats/group. Original blots are presented in S2B Fig. *P < 0.05. IF, immunofluorescence; IL-1B, interleukin-1 beta; IOD, integrated optical density; qRT-PCR, quantitative real-time PCR; TNF, tumor necrosis factor.
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