Chapter title |
Methods to Study the Role of the Glycocalyx in the Uptake of Cell-Penetrating Peptides
|
---|---|
Chapter number | 8 |
Book title |
Cell-Penetrating Peptides
|
Published in |
Methods in molecular biology, January 2015
|
DOI | 10.1007/978-1-4939-2806-4_8 |
Pubmed ID | |
Book ISBNs |
978-1-4939-2805-7, 978-1-4939-2806-4
|
Authors |
Samuel Schmidt, Rike Wallbrecher, Toin H van Kuppevelt, Roland Brock, Toin H. van Kuppevelt, Schmidt, Samuel, Wallbrecher, Rike, Kuppevelt, Toin H., Brock, Roland |
Editors |
Ülo Langel |
Abstract |
Cells are covered by a layer of negatively charged oligo- and polysaccharides, the glycocalyx. Cell-penetrating peptides and other drug delivery vehicles first encounter these polyanions before contacting the lipid bilayer of the plasma membrane. While a large body of data supports the notion that interactions with the glycocalyx promote or even trigger uptake, in some cases, the glycocalyx compromises delivery. As a consequence there is a need to address the role of the glycocalyx in delivery for each specific delivery vehicle and for each particular type of cell. Here, we describe protocols to obtain information on the composition and dynamics of the glycocalyx, and the role of individual glycocalyx components in the uptake of drug delivery vehicles. |
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