- The production, storage and release of the neurotrophins nerve growth factor, brain-derived neurotrophic factor and neurotrophin-3 by human peripheral eosinophils in allergics and non-allergics. Noga, O., Englmann, C., Hanf, G., Grützkau, A., Seybold, J., Kunkel, G. Clin. Exp. Allergy (2003)