wˌaɪl nˈɛtɹɪnz ɐtɹˈækt kəmˈɪʃɚɹəl nˈʊɹɹɑːnz təwˈɔːɹd ðə mˈɪdlaɪn, slˈɪt pɹˈoʊtiːnz ɹᵻpˈɛl ænd ɛkspˈɛl nˈʊɹɹɑːnz fɹʌmðə mˈɪdlaɪn.
While netrins attract commissural neurons toward the midline, slit proteins repel and expel neurons from the midline.