• GDNF-deprived sympathetic neurons die via a novel nonmitochondrial pathwayYu, Li-Ying; Jokitalo, E.; Sun, Yun-Fu; Mehlen, P.; Lindholm, Dan; Saarma, Mart; Arumäe, UrmasJournal of cell biology2003 / 5, p. 987-997 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2173604/