Research Article

Combining Hyaluronic Acid with Chitosan Enhances Gene Delivery

Table 1

Composition, size, polydispersity, and zeta potential of CS and CSHA polyplexes.

ParticleHA (kDa)CS : HA ratioSize (, nm)PolydispersityZeta potential (mV)

CS402.8 ± 94.100.273 ± 0.12819.9 ± 2.38
CSpDNA+241.8 ± 64.04****0.266 ± 0.06820.09 ± 2.28
CSHA11325 : 1351.3 ± 24.79##0.245 ± 0.09223.57 ± 1.19
CSHA2+328.1 ± 50.250.260 ± 0.08824.18 ± 3.06
CSHA37 : 1334.7 ± 62.76#0.157 ± 0.06618.20 ± 2.30
CSHA4+267.7 ± 30.52****0.293 ± 0.08019.08 ± 3.56
CSHA52145 : 1360.5 ± 69.66##0.183 ± 0.06424.29 ± 3.19
CSHA6+322.5 ± 69.940.270 ± 0.09723.04 ± 2.31
CSHA77 : 1345.6 ± 43.05#0.243 ± 0.06820.84 ± 4.48
CSHA8+284.9 ± 34.31***0.298 ± 0.06520.00 ± 2.60

or absence of pDNA in the formulation is indicated by + or −, respectively. Values marked with asterisks are statistically different to CS value, , . Values marked with cardinals are statistically different to CSDNA value, , (statistical differences determined by Tukey’s multiple comparisons test).