Nat Commun:化疗后,顺铂在耳蜗内具有不确定的残留

2017-11-26 AlexYang MedSci原创

顺铂化疗可以在40%-80%的治疗的病人中引起永久性听力损失。然而,耳蜗是否对顺铂具有特殊的敏感性或者接触到了更高水平的顺铂药物仍旧不清楚。最近,有研究人员利用电感藕合等离子体质谱(ICP-MS)技术检测了小鼠和人类耳蜗中顺铂药物动力学。研究发现,在大多数器官中,顺铂在注射后1个小时内就能检测到,并且在随后的几天或者几周内消除。与之相反,在小鼠和人类处理中,耳蜗能够残留顺铂长达数个月甚至数年。研究

顺铂化疗可以在40%-80%的治疗的病人中引起永久性听力损失。然而,耳蜗是否对顺铂具有特殊的敏感性或者接触到了更高水平的顺铂药物仍旧不清楚。最近,有研究人员利用电感藕合等离子体质谱(ICP-MS)技术检测了小鼠和人类耳蜗中顺铂药物动力学。

研究发现,在大多数器官中,顺铂在注射后1个小时内就能检测到,并且在随后的几天或者几周内消除。与之相反,在小鼠和人类处理中,耳蜗能够残留顺铂长达数个月甚至数年。研究人员利用激光烧蚀耦合ICP-MS,描绘出了顺铂在人类耳蜗中的分布情况。研究发现,顺铂在耳蜗外侧壁血管纹中积累持续保持在较高水平,也就是耳蜗中维持内淋巴液离子组成的区域。

最后,研究人员指出,他们的结果阐释了顺铂能够在人类耳蜗中长期残留,并且他们指出耳蜗外侧壁血管纹可以作为阻止顺铂耳蜗毒性的重要药物治疗靶标。

原始出处:

Breglio AM, Rusheen AE, Shide ED et al. Cisplatin is retained in the cochlea indefinitely following chemotherapy. Nat Commun. 21 Nov 2017.

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    2018-06-04 liuli5079
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    2018-09-18 一叶知秋
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    2017-12-22 1e145228m78(暂无匿称)

    学习了谢谢作者分享!

    0

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    2017-11-26 131****1460

    学习了受益匪浅

    0

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    2017-11-26 flyingmolly

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