GDNF family receptors in the embryonic and postnatal rat heart and reduced cholinergic innervation in mice hearts lacking Ret or GFRa2Hiltunen, J.O.; Laurikainen, A.; Airaksinen, Matti S.; Saarma, MartDevelopmental dynamics2000 / p. 28-39 https://pubmed.ncbi.nlm.nih.gov/10974669/

Glial cell line-derived neurotrophic factor is expressed in penis of adult rat and retrogradely transported in penile parasympathetic and sensory nervesLaurikainen, A.; Hiltunen, J.O.; Vanhatalo, S.; Klinge, E.; Saarma, MartCell and tissue research2000 / p. 321-329 https://pubmed.ncbi.nlm.nih.gov/11151444/

Nerve growth factor and brain-derived neurotrophic factor mRNAs are regulated in distinct cell populations of rat heart after ischaemia and reperfusionHiltunen, J.O.; Laurikainen, A.; Väkeva, A.; Meri, S.; Saarma, MartJournal of pathology2001 / p. 247-253

Neurotrophin-3 is a target-derived neurotrophic factor for penile erection-inducing neuronsHiltunen, J.O.; Laurikainen, A.; Klinge, E.; Saarma, MartNeuroscience2005 / 1, p. 51-58

Neurturin is a neurotrophic factor for penile parasympathetic neurons in adult ratLaurikainen, A.; Hiltunen, J.O.; Thomas-Crusells, J.; Vanhatalo, S.; Arumäe, Urmas; Airaksinen, Matti S.; Klinge, E.; Saarma, MartJournal of neurobiology2000 / p. 198-205

Retarded growth and deficits in the enteric and parasympathetic nervous system in mice lacking GFRa2, a functional neurturin receptorRossi, J.; Luukko, K.; Poteriaev, D.; Laurikainen, A.; Sun, Yun-Fu; Laakso, T.; Eerikäinen, S.; Tuominen, R.; Lakso, M.; Rauvala, H.; Arumäe, Urmas; Pasternack, M.; Saarma, MartNeuron1999 / p. 243-252

The messenger RNAs for both glial cell line-derived neurotrophic factor receptors, C-ret and GDNFR, are induced in the rat brain in response to Kainate-induced excitationReeben, M.; Laurikainen, A.; Hiltunen, J.O.; Castren, Eero; Saarma, MartNeuroscience1998 / p. 151-159