Neurodegenerative disorders (Alzheimer's, Huntington's and Parkinson's diseases) are characterized by a net loss of neurons and neuronal connectivity from specific regions of the central nervous system (CNS) and constitute a major public health concern particularly in the context of the aging world population. , , and While natural neurotrophins like nerve growth factor (NGF), neurotrophins (NT-3,4,5) and brain derived neurotrophic factor (BDNF) embodying polypeptidyl ...