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J Biomol Tech. 2010 Jul;21(2):66-72.

Optimizing transfection of primary human umbilical vein endothelial cells using commercially available chemical transfection reagents.

Author information

1
Angiogenesis and Cancer Research Group, University of Otago, Christchurch, New Zealand.

Abstract

Primary cells, such as HUVEC, are notoriously difficult to transfect and are susceptible to the toxic effects of transfection reagents. A transfection reagent with a high transfection efficiency and low cytotoxicity was sought to retain sufficient viability of transfected HUVEC for subsequent assays. Nine chemical transfection reagents, currently commercially available, were compared for their ability to transfect HUVEC in vitro. A plasmid expressing the enhanced GFP (EGFP) was used for transfection, followed by flow cytometry of transfected HUVEC to determine the proportion of EGFP-expressing cells as a measure of transfection efficiency. Lipofectamine 2000 and Lipofectamine LTX (Invitrogen, Carlsbad, CA, USA) gave the highest transfection efficiencies of the reagents tested. Lipofectamine LTX was identified as the optimal transfection reagent as a result of its higher transfection efficiency at shorter periods of time following transfection when cytotoxicity was limited, allowing sufficient yield of transfected HUVEC for use in subsequent assays.

KEYWORDS:

HUVEC; cytotoxicity

PMID:
20592869
PMCID:
PMC2884313
[Indexed for MEDLINE]
Free PMC Article

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