methods the c270t polymorphism in the bdnf of 194 patients and 187 normal controls were examined with polymerase chain reaction(pcr), denaturing polyacrylamide gel electrophoresis and silver staining;
方法对194例精神分裂癥患者(研究组)及187例正常人(对照组)应用聚合酶链反应、非变性聚丙烯酰胺凝胶电泳结合银染技术检测脑源性神经营养因子基因c270t多态性;