Folate immobilized and PEGylated adenovirus for retargeting to tumor cells

In Kyung Oh; Hyejung Mok; Tae Gwan Park

doi:10.1021/bc060030c

Folate immobilized and PEGylated adenovirus for retargeting to tumor cells

In Kyung Oh, Hyejung Mok, Tae Gwan Park

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

The surface of adenovirus (ADV) was modified with folate-poly(ethylene glycol) (FOL-PEG) conjugate to overcome the inherent problems associated with viral gene therapy. The ADV coding the green fluorescent protein (GFP) gene was used to immobilize PEG or FOL-PEG conjugate on the viral surface to comparatively evaluate their extents of retargeting and immune response, as compared to those of naked ADV. The FOL-PEG immobilized ADV exhibited a greatly enhanced level of GFP expression than naked or PEG immobilized ADV for a folate receptor overexpressing cell line (KB cells), but not for a folate receptor deficient cell line (A549 cells), suggesting that the retargeting of ADV could be achieved by immobilizing FOL-PEG conjugate. The ADV immobilized with PEG or FOL-PEG also significantly lowered innate immune response, as judged from the amount of interleukin 6 released from macrophage cells.

Original language	English
Pages (from-to)	721-727
Number of pages	7
Journal	Bioconjugate Chemistry
Volume	17
Issue number	3
DOIs	https://doi.org/10.1021/bc060030c
State	Published - 2006
Externally published	Yes

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abstract = "The surface of adenovirus (ADV) was modified with folate-poly(ethylene glycol) (FOL-PEG) conjugate to overcome the inherent problems associated with viral gene therapy. The ADV coding the green fluorescent protein (GFP) gene was used to immobilize PEG or FOL-PEG conjugate on the viral surface to comparatively evaluate their extents of retargeting and immune response, as compared to those of naked ADV. The FOL-PEG immobilized ADV exhibited a greatly enhanced level of GFP expression than naked or PEG immobilized ADV for a folate receptor overexpressing cell line (KB cells), but not for a folate receptor deficient cell line (A549 cells), suggesting that the retargeting of ADV could be achieved by immobilizing FOL-PEG conjugate. The ADV immobilized with PEG or FOL-PEG also significantly lowered innate immune response, as judged from the amount of interleukin 6 released from macrophage cells.",

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AU - Oh, In Kyung

AU - Mok, Hyejung

AU - Park, Tae Gwan

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AB - The surface of adenovirus (ADV) was modified with folate-poly(ethylene glycol) (FOL-PEG) conjugate to overcome the inherent problems associated with viral gene therapy. The ADV coding the green fluorescent protein (GFP) gene was used to immobilize PEG or FOL-PEG conjugate on the viral surface to comparatively evaluate their extents of retargeting and immune response, as compared to those of naked ADV. The FOL-PEG immobilized ADV exhibited a greatly enhanced level of GFP expression than naked or PEG immobilized ADV for a folate receptor overexpressing cell line (KB cells), but not for a folate receptor deficient cell line (A549 cells), suggesting that the retargeting of ADV could be achieved by immobilizing FOL-PEG conjugate. The ADV immobilized with PEG or FOL-PEG also significantly lowered innate immune response, as judged from the amount of interleukin 6 released from macrophage cells.

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JO - Bioconjugate Chemistry

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Folate immobilized and PEGylated adenovirus for retargeting to tumor cells

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