Nat Commun:研究提出使抗癌药物更有效的方法!

2017-12-28 佚名 medicalxpress

“自然通讯”由肯塔基大学马基癌症中心研究员谢青白率领的一项新研究指出,可能使现有药物更有效地对抗某些癌症的生物标志物目标。

“自然通讯”由肯塔基大学马基癌症中心研究员谢青白率领的一项新研究指出,可能使现有药物更有效地对抗某些癌症的生物标志物目标。

mTOR蛋白是细胞生长和分裂的中心调控者。 mTOR蛋白的异常激活导致许多人类癌症中无限的细胞分裂。虽然存在mTOR靶向药物,但其效力迄今为止受到限制,可能是由于mTOR下游效应物4E-BP1(蛋白质生产的关键阻遏物)的损失。                                     

该研究鉴定了Snail,一种已知促进癌症进展的核转录调节因子,作为4E-BP1表达的强抑制剂。她的研究小组发现Snail与结肠直肠癌中4E-BP1水平呈负相关,这是美国癌症相关死亡率的第二大原因。这项研究表明,Snail水平可以作为一个预测标记,以定制个性化治疗使用mTOR靶向药物。医生可以使用已经在临床开发中的癌症药物来开具治疗具有高Snail /低4E-BP1活性的癌症的药物。

英国药理学与营养学系副教授She说:“这一发现具有重要的临床意义,因为将Snail和4E-BP1的表达分析纳入癌症可能有助于前瞻性鉴定临床对mTOR靶向药物的耐药性。”

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    2018-09-13 liuli5079
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    2018-09-09 liye789132251
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    2017-12-30 sunylz
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    2017-12-29 sunfeifeiyang

    学习

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