Effect of Pre- and Postnatal Exposure to urban PM2.5 on the Transcriptome of the Developing and Early-Life Mouse Lung

Over the last years, evidence has grown that exposure to air pollution, in addition to impairing lung function and health in individuals of all age, can be linked to negative effects in newborn when present during pregnancy. Data suggests that intrauterine exposure of fetuses (exposure of the mother to air pollution during pregnancy) in fact exerts a negative impact on lung development. However, the means by which exposure during pregnancy affects lung development, have not been studied in depth yet. In this study, we investigated alterations of the transcriptome of the developing lung in a mouse model of gestational and early-life postnatal exposure to urban PM2.5 (from Sao Paulo, Brazil).

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de Barros Mendes Lopes T, Groth EE, Veras M, Furuya TK, de Souza Xavier Costa N, Ribeiro Júnior G, Lopes FD, de Almeida FM, Cardoso WV, Saldiva PHN, Chammas R, Mauad T