YAN Sen,TENG Jian,SUN Tong-tong,et al.Effect of Electroporation on Percutaneous Permeation of Sinomenine Hydrochloride[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(17):146-151.
YAN Sen,TENG Jian,SUN Tong-tong,et al.Effect of Electroporation on Percutaneous Permeation of Sinomenine Hydrochloride[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(17):146-151. DOI: 10.13422/j.cnki.syfjx.20211448.
Effect of Electroporation on Percutaneous Permeation of Sinomenine Hydrochloride
To investigate the percutaneous permeability of sinomenine hydrochloride (SNH) and optimize the parameters of electroporation to achieve the best permeation enhancing effect on SNH.
Method
2
The percutaneous permeability of SNH and the enhancement effect of electroporation were studied by
in vitro
diffusion cell method, and the enhancement effect of electroporation was further evaluated by
in vivo
study in mice.
Result
2
Under steady-state condition, the permeation rates of SNH in stripped skin and intact skin of hairless mice were (385.81±12.88), (0.88±0.20) μg·cm
-2
·h
-1
, respectively. The permeation rate in stripped skin was 438 times higher than that in intact skin. The results of percutaneous permeation kinetics analysis showed that the solubility and diffusion coefficient of SNH in stratum corneum were relatively low, which were (70.82±9.63)×10
3
g·m
-3
and (3.07±1.52)×10
-14
cm
2
·s
-1
, respectively. Under the optimized electroporation conditions (voltage of 72 V, time of 60 min), the 24 h cumulative permeation amount of SNH through skin of mice was (10 008.39±1 961.57) μg·cm
-2
, and the steady-state permeation rate was (456.01±51.26) μg·cm
-2
·h
-1
, which were 5.4 times and 5.1 times higher than those of blank group, respectively.
In vivo
studies in mice showed that the contents of SNH in skin and muscle of electroporation group were 2.0 times and 1.5 times higher than those of blank group.
Conclusion
2
The low solubility and low diffusion coefficient of SNH in the stratum corneum are the main factors hindering the percutaneous permeation of SNH. Electroporation can significantly increase the percutaneous permeation of SNH and its retention in skin and muscle of mice.
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