We examined the restorative effect of modified biodegradable chitin conduits in combination with bone marrow mesenchymal stem cell transplantation after right s
<正>Neurotrophins,and growth factors in general,are proteins which exert many actions in central nervous system neurons.Neurotrophins promote the survival and n
Polyethyleneimine-polyethylene glycol(PEI-PEG), a novel nanocarrier, has been used for transfection and gene therapy in a variety of cells. In our previous stud