Ultrasound‑targeted microbubble destruction enhances gene transduction of adeno-associated virus in a less-permissive cell type, NIH/3T3.

Abstract:

:Adeno‑associated virus (AAV) is a common vector utilized in gene therapy. The NIH/3T3 cell line, which is a potential induced pluripotent stem (iPS) cell type, was identified to be a less-permissive cell type to AAV due to its defective endosomal processing. Ultrasound‑targeted microbubble destruction (UTMD) enhanced the gene transduction of AAV in permissive cells. However, there are no data concerning UTMD enhancement in less-permissive cells, and the exact mechanism of UTMD enhancement in cellular uptake is unclear. Greater knowledge concerning the rate-limiting steps in NIH/3T3 cells would aid in the elucidation of the mechanism of UTMD enhancement in the gene transduction of AAV. In the present study, UTMD enhanced the gene transduction of AAV in NIH/3T3 cells, suggesting that UTMD‑enhanced AAV‑mediated gene transduction may be beneficial for gene therapy in iPS cells. The dose dependence of UTMD enhancement indicated that mechanisms other than sonoporation were involved in the cellular uptake of AAV. However, UTMD did not greatly increase the gene transduction of AAV in NIH/3T3 cells. Additionally, the similar degree of enhancement in the two cell types resulted in no correlation between UTMD and endosomal processing. Future studies on UTMD‑mediated AAV transduction in other non- or less‑permissive cell types may aid in elucidating the exact mechanism of UTMD enhancement in cellular uptake.

journal_name

Mol Med Rep

authors

Jin L,Li F,Wang H,Li Y,Wei F,Du L

doi

10.3892/mmr.2013.1560

subject

Has Abstract

pub_date

2013-08-01 00:00:00

pages

320-6

issue

2

eissn

1791-2997

issn

1791-3004

journal_volume

8

pub_type

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