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Schönenberger, C; Schütz, A; Franco-Obregón, A; Zenobi-Wong, M (2011). Efficient electroporation of peptides into adherent cells: investigation of the role of mechano-growth factor in chondrocyte culture. Biotechnology Letters, 33(5):883-888.

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Peptide therapeutics are of increasing interest due to their biological specificity. We used a simple technique to study the efficacy of inducing peptides into adherent chondrocytes by transiently permeabilizing the membrane with electric pulses (in situ electroporation). Mechano-growth factor (MGF) was selected as a model peptide. FITC-labeled MGF was added to cultures of adherent primary chondrocytes grown on ITO coated glass slides. Cells were subjected to 3-9 pulses of 175-275 V and evaluated by flow cytometry. Under optimal conditions, an electroporation efficiency of close to 50% could be achieved. This technique can be used to study the functional domains of intracellular peptides, peptide inhibition of signal transduction and intracrine-mediated effects of peptides in adherent cells.


6 citations in Web of Science®
8 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Deposited On:13 Jan 2012 10:03
Last Modified:27 Nov 2013 22:19
Publisher DOI:10.1007/s10529-010-0508-1
PubMed ID:21207114

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