TAT peptide-functionalized gold nanostars: enhanced intracellular delivery and efficient NIR photothermal therapy using ultralow irradiance.

TAT peptide-functionalized gold nanostars: enhanced intracellular delivery and efficient NIR photothermal therapy using ultralow irradiance.
复制标题

TAT肽官能化的金纳米级:使用超低辐照度增强了细胞内递送和有效的NIR光热治疗。

DOI:
10.1021/ja304180y
复制
发表时间:
2012-07-18
影响因子:
15
通讯作者:
Vo-Dinh, Tuan
Vo-Dinh, Tuan
中科院分区:
化学1区
文献类型:
--
作者:
Yuan, Hsiangkuo;Fales, Andrew M.;Vo-Dinh, Tuan

文献摘要

参考文献

被引文献

相似文献

金纳米粒子在等离子体光热疗法(光热解)方面具有巨大的潜力。然而,它们的细胞内传递和光热解效率尚未得到优化。在这里,我们发现 TAT 肽功能化的金纳米星比裸露或聚乙二醇化的纳米星明显更多地进入细胞。它们的主要细胞摄取机制涉及肌动蛋白驱动的脂筏介导的巨胞饮作用,其中颗粒主要积聚在巨胞饮体中,但也可能渗漏到细胞质中。 TAT-nanostars 在 BT549 乳腺癌细胞上孵育 4 小时后,使用 850 nm 脉冲激光在 0.2 W/cm2 的辐照度下完成光热解作用,该辐照度低于皮肤的最大允许暴露量。这些结果表明,TAT 纳米星的细胞内递送和有效的光热解作用增强,因此是癌症治疗中很有前途的药物。
Gold nanoparticles have great potentials for plasmonic photothermal therapy (photothermolysis). However, their intracellular delivery and photothermolysis efficiency have yet been optimized. Here, we show that TAT-peptide functionalized gold nanostars enter cells significantly more than bare or PEGylated nanostars. Their major cellular uptake mechanism involves actin-driven lipid raft-mediated macropinocytosis, where particles primarily accumulate in macropinosomes but may also leak out into the cytoplasm. Following 4-hour incubation of TAT-nanostars on BT549 breast cancer cells, photothermolysis was accomplished using 850 nm pulsed laser under an irradiance of 0.2 W/cm2, which is lower than the maximal permissible exposure of skin. These results demonstrate the enhanced intracellular delivery and efficient photothermolysis of TAT-nanostars hence a promising agent in cancer therapy.
DOI: 10.3402/nano.v1i0.4889
发表时间: 2010
期刊: Nano reviews
影响因子: --
作者:
Lévy R;Shaheen U;Cesbron Y;Sée V
通讯作者: Sée V
DOI: 10.1117/1.3548646
发表时间: 2011-02-01
影响因子: 3.5
作者:
Durr, Nicholas J.;Weisspfennig, Christian T.;Ben-Yakar, Adela
通讯作者: Ben-Yakar, Adela
DOI: 10.1002/smll.201101422
发表时间: 2012-01-09
期刊: SMALL
影响因子: 13.3
作者:
Bartczak, Dorota;Muskens, Otto L.;Kanaras, Antonios G.
通讯作者: Kanaras, Antonios G.
DOI: 10.1021/nn102055s
发表时间: 2010-10-26
期刊: ACS nano
影响因子: 17.1
作者:
Huang X;Peng X;Wang Y;Wang Y;Shin DM;El-Sayed MA;Nie S
通讯作者: Nie S
DOI: 10.1091/mbc.01-06-0308
发表时间: 2002-02-01
影响因子: 3.3
作者:
Panté, N;Kann, M
通讯作者: Kann, M