Methods DRG neurons of Wistar rat embryos were cultured without or with GDNF (5?ng/mL, 50?ng/mL) for 72?h.The living cells were observed by an inverted contrast microscope.

• 在神经损伤和炎症等病理情况下，GDNF可影响神经元的表型、神经递质的释放、神经元的功能等特性[1]。