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1.大连理工大学 化工学院,精细化工国家重点实验室,辽宁 大连 116024
2.湖南正清制药集团股份有限公司,湖南 怀化 418005
3.大连科翔科技开发有限公司,辽宁 大连 116024
鄢森,在读硕士,从事经皮给药制剂研究,E-mail:yansen_dlut@126.com
汪晴,博士,教授,博士生导师,从事经皮给药及经黏膜给药系统的研究与相关制剂的开发,E-mail:qwang@dlut.edu.cn
收稿日期:2020-12-24,
网络出版日期:2021-04-07,
纸质出版日期:2021-09-05
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鄢森,滕健,孙彤彤等.电致孔方式对盐酸青藤碱经皮渗透的促进作用[J].中国实验方剂学杂志,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.
鄢森,滕健,孙彤彤等.电致孔方式对盐酸青藤碱经皮渗透的促进作用[J].中国实验方剂学杂志,2021,27(17):146-151. DOI: 10.13422/j.cnki.syfjx.20211448.
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.
目的
2
考察盐酸青藤碱(SNH)的经皮渗透性,并通过优化电致孔参数以达到对SNH最佳促渗作用。
方法
2
采用体外扩散池法研究SNH的经皮渗透性及电致孔的促渗作用,并通过小鼠在体试验进一步评估电致孔的促渗效果。
结果
2
在稳态条件下,SNH在裸鼠去角质皮肤和全皮中的渗透速率分别为(385.81±12.88),(0.88±0.20) μg·cm
-2
·h
-1
,去角质皮肤中的渗透速率约为全皮中的438倍;渗透动力学分析结果表明,SNH在角质层中的溶解度和扩散系数都比较低,分别为(70.82±9.63)×10
3
g·m
-3
和(3.07±1.52)×10
-14
cm
2
·s
-1
;在优化的电致孔条件(电压72 V,时间60 min)下,SNH在小鼠皮肤中的24 h累积渗透量达到(10 008.39±1 961.57) μg·cm
-2
,稳态渗透速率达(456.01±51.26) μg·cm
-2
·h
-1
,与空白组相比分别提高了5.4倍和5.1倍,皮肤和肌肉中SNH的滞留量分别为空白组的2.0倍和1.5倍。
结论
2
SNH在角质层中较低的溶解度和扩散系数是阻碍其经皮渗透的主要因素,电致孔可显著提高SNH的经皮渗透,并可以增加SNH在小鼠皮肤和肌肉中的滞留量。
Objective
2
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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