关于LAK细胞，下列说法不对的是（）。 -题库考试答案搜索网

关于LAK细胞，下列说法不对的是（）。

单选题

2021-12-28 10:38

A、具有细胞毒性效应
B、能被大剂量IL-2诱导
C、其实质是NK细胞
D、较NK细胞具有更广谱的杀瘤作用
E、其抗肿瘤的生物应答机制目前尚不十分清楚

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正确答案

C

试题解析

LAK是淋巴因子激活的杀伤细胞，实质为大剂量IL-2诱导的体外刺激人体外周血单个核细胞（包括NK细胞和T细胞），经培养扩增而得到，具有细胞毒性效应。虽有部分细胞为NK细胞诱导而得，但LAK非NK细胞，且较NK细胞具有更广谱的杀瘤作用，其抗肿瘤的生物应答机制目前尚不十分清楚。

标签：内科、外科、放疗共用试题肿瘤学主治医师肿瘤学综合练习肿瘤学(医学高级)

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