In the study by Oncel et al. the concentrations of urinary netrin-1 on the first postnatal day were higher in newborns with perinatal asphyxia (848 ± 239 pg/mL; mean ± SD) compared to controls (592 ± 181 pg/mL mean ± SD) [21]. This evidence concerns the gene NTN1 and perinatal asphyxia.