采用脱氧核糖核酸末端转移酶介导的缺口末端标记技术（TUNEL）和免疫组化方法检测鼻咽低分化鳞状细胞癌和正常鼻咽黏膜组织。
Terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) technique and immunohistochemistry method were applied to detect NPC tissue and normal nasopharyngeal tissue (NNPT).
方法：采用免疫组化技术和高效液相- 电化学法（ HPLC - EC）分别对酪氨酸羟化酶（TH）、DA进行了含量测定。
Methods: Immunohistochemistry technology and high-pressure liquid chromatography with electrochemical detector (HPLC-EC) were used to evaluated tyrosine hydroxylase (TH) and DA .
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