Methods The telomerase activity in sputum specimens was detected in 45 case of lung cancer and 25 cases of benign pulmonary diseases and 2 cases of metastatic carcinoma of the lung by PCR ELISA assay.

• 方法运用端粒酶PCR酶联免疫吸附测定法(ELISA)检测了45例肺癌、25例肺部良性疾病及2例转移性肺癌患者痰液标本中的端粒酶活性。