“…However, an increase in the catecholamine level in the structures remote from the site, where the transplant had been grafted, suggests that the latter influences metabolism of the whole brain [9 ]. Some substances possessing neurotrophic activity, in particular neurotrophins-3,4, fibroblast, epidermal, and thrombocyte growth factors, transforming factor, insulin-like growth factor, etc., are present in ENT [9][10][11]. Some substances possessing neurotrophic activity, in particular neurotrophins-3,4, fibroblast, epidermal, and thrombocyte growth factors, transforming factor, insulin-like growth factor, etc., are present in ENT [9][10][11].…”