• GDNF promotes tubulogenesis of GFRalphal-expressing MDCK cells by Src-mediated phosphorylation of Met receptor tyrosine kinasePopsujeva, A.; Saarma, MartJournal of cell biology2003 / 1, p. 119-129 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2172872/