Basic Research
Copyright ©The Author(s) 2004.
World J Gastroenterol. Jan 1, 2004; 10(1): 112-116
Published online Jan 1, 2004. doi: 10.3748/wjg.v10.i1.112
Figure 4
Figure 4 β-galactosidase expression in mouse stomach and small intestine 3 days after oral delivery of DNA nanoparticles. A-D: Whole tissue staining for LacZ, only stained sections are shown. The mice were fed with high-molecular-weight chitosan-pCMVβ nanospheres at a dose of 50 μg (A) or 100 μg (B) per mouse, PBS (C) or ‘naked’ DNA (pCMVβ, D).