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开发含有米替福新的局部脂质体,用于治疗易感 BALB/c 小鼠中的利什曼原虫感染。

Development of topical liposomes containing miltefosine for the treatment of Leishmania major infection in susceptible BALB/c mice.

机构信息

School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.

Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.

出版信息

Acta Trop. 2019 Aug;196:142-149. doi: 10.1016/j.actatropica.2019.05.018. Epub 2019 May 16.


DOI:10.1016/j.actatropica.2019.05.018
PMID:31103698
Abstract

Herein, we investigated the efficacy of liposomes for the topical delivery of miltefosine (ML) to treat cutaneous leishmaniasis (CL). Liposomes containing varying concentrations of ML (0.5, 1, 2 and 4%) were prepared and characterized by their size and entrapment efficiency. The liposome diameters were between 100-150 nm. The penetration of ML from liposomal formulations through and in the skin was assessed using ex-vivo Franz diffusion cells fitted with mouse skin at 37 °C for 24 h. Data indicated that Lip-ML-4% showed the highest percent of retention across mouse skin (82%). in vitro promastigote and amastigote assays showed that ML and Lip-ML inhibit the growth of parasites either in the culture medium or intracellularly. Lip-ML formulations were topically applied twice a day for 4 weeks to the skin of BALB/c mice infected with L. major. Results showed a significantly (p < 0.001) smaller lesion size in Lip-ML-2 and 4% when compared to controls. At week 8 post-infection, the number of parasites was higher in Lip-ML-0.5% compared to Lip-ML-2 and 4%, however, the difference was not significant. At week 12, the splenic parasite burden was significantly (p < 0.001) lower in mice treated with different Lip-ML formulations when compared to controls. The lesion parasite burden was significantly (p < 0.001) lower in mice treated with either Lip-ML-2 and 4% compared to Lip-ML-0.5% at week 12 post-infection. The results suggested that topical Lip-ML-4% showed optimal ex-vivo penetration and in vivo anti-leishmanial activity against CL caused by L. major when compared to ML cream and other liposomes and thus, merits further investigation.

摘要

在此,我们研究了脂质体将米替福新(ML)递送至皮肤利什曼病(CL)进行局部治疗的功效。通过其大小和包封效率来制备并表征包含不同浓度 ML(0.5%、1%、2%和 4%)的脂质体。脂质体的直径在 100-150nm 之间。使用配备有 37°C 下的小鼠皮肤的体外 Franz 扩散细胞,评估 ML 从脂质体制剂中通过并在皮肤中的渗透情况,持续 24 小时。数据表明 Lip-ML-4%显示出跨小鼠皮肤的最高保留百分比(82%)。体外前鞭毛体和无鞭毛体试验表明,ML 和 Lip-ML 无论是在培养基中还是细胞内都抑制寄生虫的生长。将 Lip-ML 制剂每天两次施用于感染 L. major 的 BALB/c 小鼠的皮肤,持续 4 周。结果表明,与对照组相比,Lip-ML-2%和 4%的病变面积明显(p<0.001)更小。在感染后第 8 周,与 Lip-ML-2%和 4%相比,Lip-ML-0.5%中的寄生虫数量更高,但是差异不显著。在第 12 周,与对照组相比,用不同的 Lip-ML 制剂治疗的小鼠的脾脏寄生虫负担显著(p<0.001)降低。在感染后第 12 周,与 Lip-ML-0.5%相比,用 Lip-ML-2%和 4%治疗的小鼠的病变寄生虫负担明显(p<0.001)降低。结果表明,与 ML 乳膏和其他脂质体相比,局部应用 Lip-ML-4%显示出最佳的体外渗透和对由 L. major 引起的 CL 的体内抗利什曼原虫活性,因此值得进一步研究。

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引用本文的文献

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Iran J Basic Med Sci. 2025

[2]
In vitro efficacy of polymer coated miltefosine drug against leishmania tropica.

J Parasit Dis. 2022-6

[3]
Efficacy of topical risedronate and risedronate - Eudragit E complex in a model of cutaneous leishmaniasis induced by .

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[4]
Nanotechnology based solutions for anti-leishmanial impediments: a detailed insight.

J Nanobiotechnology. 2021-4-15

[5]
Therapeutic advances in the topical treatment of cutaneous leishmaniasis: A review.

PLoS Negl Trop Dis. 2021-3

[6]
Repurposing of Miltefosine as an Adjuvant for Influenza Vaccine.

Vaccines (Basel). 2020-12-11

[7]
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Saudi Pharm J. 2020-3

[8]
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[9]
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