Abstract:
:Gene electrotransfer is gaining momentum as an efficient methodology for nonviral gene transfer. In skeletal muscle, data suggest that electric pulses play two roles: structurally permeabilizing the muscle fibers and electrophoretically supporting the migration of DNA toward or across the permeabilized membrane. To investigate this further, combinations of permeabilizing short high-voltage pulses (HV; hundreds of V/cm) and mainly electrophoretic long low-voltage pulses (LV; tens of V/cm) were investigated in muscle, liver, tumor, and skin in rodent models. The following observations were made: (1) Striking differences between the various tissues were found, likely related to cell size and tissue organization; (2) gene expression is increased, if there was a time interval between the HV pulse and the LV pulse; (3) the HV pulse was required for high electrotransfer to muscle, tumor, and skin, but not to liver; and (4) efficient gene electrotransfer was achieved with HV field strengths below the detectability thresholds for permeabilization; and (5) the lag time interval between the HV and LV pulses decreased sensitivity to the HV pulses, enabling a wider HV amplitude range. In conclusion, HV plus LV pulses represent an efficient and safe option for future clinical trials and we suggest recommendations for gene transfer to various types of tissues.
journal_name
Hum Gene Therjournal_title
Human gene therapyauthors
André FM,Gehl J,Sersa G,Préat V,Hojman P,Eriksen J,Golzio M,Cemazar M,Pavselj N,Rols MP,Miklavcic D,Neumann E,Teissié J,Mir LMdoi
10.1089/hgt.2008.060subject
Has Abstractpub_date
2008-11-01 00:00:00pages
1261-71issue
11eissn
1043-0342issn
1557-7422journal_volume
19pub_type
杂志文章abstract::Immunoisolation of allogeneic cells within a membrane-bound device is a unique approach for gene therapy. We employed an immunoisolation device that protects allograft, but not xenograft, cells from destruction, to implant a human fibroblast line (MSU 1.2) in athymic rodents. Cells, transduced with the MFG-human facto...
journal_title:Human gene therapy
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pub_type: 杂志文章,评审
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journal_title:Human gene therapy
pub_type: 杂志文章
doi:10.1089/104303401750476267
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journal_title:Human gene therapy
pub_type: 杂志文章
doi:10.1089/hum.1996.7.5-647
更新日期:1996-03-20 00:00:00
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journal_title:Human gene therapy
pub_type: 杂志文章
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更新日期:2020-02-01 00:00:00
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journal_title:Human gene therapy
pub_type: 杂志文章
doi:10.1089/hum.2005.16.1194
更新日期:2005-10-01 00:00:00
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journal_title:Human gene therapy
pub_type: 杂志文章
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更新日期:2013-07-01 00:00:00
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journal_title:Human gene therapy
pub_type: 杂志文章
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更新日期:1997-10-10 00:00:00
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更新日期:2008-04-01 00:00:00
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journal_title:Human gene therapy
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