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Nat Commun:病毒也能治脑瘤

2019-05-30 晋楠 中国科学报

《自然—通讯》5月28日发表的一项研究称,一种溶瘤病毒(靶向癌细胞的病毒)有效延长了两种不同类型儿童脑肿瘤模型小鼠的存活时间。这些发现促使研究人员利用该病毒展开一项长期临床试验。

《自然—通讯》5月28日发表的一项研究称,一种溶瘤病毒(靶向癌细胞的病毒)有效延长了两种不同类型儿童脑肿瘤模型小鼠的存活时间。这些发现促使研究人员利用该病毒展开一项长期临床试验。

儿童脑肿瘤如高级别胶质瘤和弥漫内生性脑桥胶质瘤难以治疗,而且与成人肿瘤相比具有遗传差异性。高级别胶质瘤患者的治疗方法是手术、放疗和化疗,但是手术不适合患有弥漫内生性脑桥胶质瘤的儿童患者。美国食品与药物管理局已经批准将溶瘤病毒用于治疗黑素瘤,而且现已表明,Delta-24-RGD病毒对胶质瘤成年患者有效且安全。

西班牙纳瓦拉健康研究所的Marta Alonso及同事利用高级别胶质瘤和弥漫内生性脑桥胶质瘤模型小鼠,检验Delta-24-RGD病毒的有效性。他们发现与未经治疗的小鼠相比,在4种不同癌症模型中,实验小鼠的存活时间延长了。而且在长期存活的小鼠中未检测到病毒蛋白,这意味着这种方法是安全的。

进一步研究表明,病毒在小鼠体内触发了免疫响应,这意味着免疫系统的激活促成了抗癌响应。以上发现表明,这种方法或能用于治疗患有此类肿瘤的儿童患者,但这一点还需要试验验证。

原始出处:

Naiara Martínez-Vélez, Marc Garcia-Moure, Marta M. Alonso, et.al. The oncolytic virus Delta-24-RGD elicits an antitumor effect in pediatric glioma and DIPG mouse models. Nature Communications 28 May 2019

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    2020-04-22 liye789132251
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    2020-03-21 liuli5079
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    2019-06-01 jxrzshh
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    2019-05-30 orangesking

    0

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    2019-05-30 329523732

    不错

    0

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