方法分离、鉴定并扩增取自10 ~ 14周药物流产胎儿大脑皮质的神经干细胞，应用pcr - ELISA法检测神经干细胞端粒酶活性。
Methods the neural stem cells were isolated, identified and amplified from the cortex of aborted human embryo with 10 to 14-week gestational age, then telomerase activity was detected by PCR-ELISA.
方法：用端粒酶原位分子杂交检测45例胃腺癌中端粒酶的活性，并结合随访资料进行分析。
Methods: Telomerase activity in 45 samples of primary gastric cancer was examined by using in situ hybridization, and analyzed in combination with follow-up materials.
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