MTT metabolic rate and lipofusichrome was measured.Results:In PQQ group the length of neuron processes and the maximum diameter of neurosoma were greater than those of control group markedly.

• 结果:PQQ处理后,海马神经元突起的长度和胞体的长径显著大于对照组,细胞的存活率增加、存活的时间延长,尼氏小体的光密度值和MTT代谢率显著高于对照组,脂褐素的含量降低。