图1IFNα 2b对端粒酶的影响 (略)
A:干扰素浓度50000,5000,500,50,5,0kU/L;B:作用时间
IFNα 2b是由白细胞产生的具有抗增殖活性的细胞因子,是肿瘤生物治疗中重要的免疫调节剂。目前利用基因工程重组的人干扰素已广泛应用于病毒性疾病和恶性肿瘤的治疗中。近年来已陆续有研究从其降低端粒酶的角度来剖析其对全身恶性肿瘤的治疗作用及作用机制。本研究表明,IFNα 2b作为一种端粒酶抑制剂,可有效降低脉络膜黑色素瘤细胞端粒酶活性,从而抑制肿瘤细胞的生长,有望为脉络膜黑色素瘤的临床化疗提供更多的理论依据和思路。
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