Review
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 7, 2015; 21(13): 3813-3825
Published online Apr 7, 2015. doi: 10.3748/wjg.v21.i13.3813
Figure 1
Figure 1 Several cell-targeted methods employing different vectors routinely used in gene therapy approaches. Some of them remain episomal and their expression is transient. Others enter into the nucleus and integrate their DNA into the cellular genome and their expression is permanent.