Quantification of the cellular uptake of cell-penetrating peptides by MALDI-TOF mass spectrometry

被引:93
作者
Burlina, F [1 ]
Sagan, S [1 ]
Bolbach, G [1 ]
Chassaing, G [1 ]
机构
[1] Univ Paris 06, CNRS, UMR 7613, F-75252 Paris, France
关键词
analytical methods; drug delivery; isotopic labeling; mass spectrometry; peptides;
D O I
10.1002/anie.200500477
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) The ins and outs of peptides: The internalization efficiencies of three cell-penetrating peptides (CPPs; penetratin, (Arg) 9, and Tat48-59) have been measured by MALDI-TOF MS (see scheme). The method leads to direct detection of the CPPs and allows unambiguous discrimination between membrane-bound and internalized CPP. Furthermore, the cellular uptake efficiencies of several CPPs can be compared in a single experiment. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:4244 / 4247
页数:4
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