Page 218 - IJB-9-3
P. 218

International Journal of Bioprinting                         Dual ions mixed GelMA for hair follicle regeneration
































































            Figure 7. The relative gene expression of wound tissue on the 14th day after various treatments. *P < 0.05, **P < 0.01, ****P < 0.0001. N = 3 for each group.
            All the analyses were performed with one-way ANOVA.

            neogenic vessels. More interestingly, GelMA group did not   angiogenesis , and our results showed that GelMA-Zn/Si
                                                                         [9]
            have significantly higher expression of most of the targeted   hydrogel group has the highest expression of angiogenesis-
            genes,  suggesting  that  the  ions  in  the  hydrogel  may  be   related genes. Therefore, laser Doppler perfusion
            the main effective factors in hair follicle regeneration and   measurement (LDPM) was employed to measure wound
            angiogenesis.                                      perfusion recovery in the scope to evaluate physiological
                                                               and pharmacological changes of vascular function
            3.8. Perfusion recovery                            in vivo . As shown in Figure 8, on 0 day, four groups had
                                                                    [35]
            Favorable blood perfusion contributes to wound healing   the same perfusion. On the 7th day, GelMA-Zn/Si hydrogel
            and tissue regeneration . Zn and Si ions can stimulate   group presented with the richest blood flow signals, while
                               [34]

            Volume 9 Issue 3 (2023)                        210                          https://doi.org/10.18063/ijb.703
   213   214   215   216   217   218   219   220   221   222   223