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在药物递送系统中封装双氢青蒿素的ZIF-8用于保护C57BL/6N小鼠免受ANKA诱导的实验性脑疟疾。

ZIF-8 with encapsulated dihydroartemisinin in a drug delivery system for protection against ANKA-induced experimental cerebral malaria in C57BL/6N mice.

作者信息

Li Yuting, Li Liu-Gen, Zhu Huiyin, Zhu Daiqian, Shi Haimei, Wang Wei, Mo Jinyu, Yin Jianhai, Li Tong-Fei, Li Jian

机构信息

School of Basic Medical Sciences, Hubei University of Medicine, Shiyan, Hubei, China.

Key Laboratory of National Health Commission on Parasitic Disease Prevention and Control, Jiangsu Provincial Key Laboratory on Parasites and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, Wuxi, Jiangsu, China.

出版信息

Microbiol Spectr. 2025 Jul;13(7):e0236624. doi: 10.1128/spectrum.02366-24. Epub 2025 Jun 11.


DOI:10.1128/spectrum.02366-24
PMID:40497684
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12211061/
Abstract

Cerebral malaria (CM), primarily caused by , is the primary cause of malaria-related fatalities. CM treatment faces significant challenges due to limited therapeutic options and the emergence of antimalarial drug resistance. Dihydroartemisinin (DHA) is the first-line therapeutic agent for malaria. However, it encounters limitations such as poor solubility, inadequate selectivity, and rapid elimination. Here, we introduced a facile and effective approach using zeolite imidazolium framework-8 (ZIF-8) encapsulated with DHA (DHA@ZIF-8) and assessed its therapeutic efficacy in an experimental cerebral malaria model. The DHA@ZIF-8 demonstrated excellent drug-loading capacity, high stability, prolonged drug release, and improved targeted elimination of parasites within infected red blood cells (iRBCs). This minimized damage to brain microvascular endothelial cells (BMECs) and protected organs from injury, increasing the survival time of the infected mice. Compared to free DHA, DHA@ZIF-8 exhibited better antimalarial efficacy and almost no side effects. This study highlights ZIF-8's potential as a reliable, stable, and efficient drug delivery vector for DHA to improve CM therapy.IMPORTANCEFor the treatment of human malaria, artemisinin-based drugs remain the first-line treatment option. However, their utility is constrained by their short half-life . Consequently, extending the duration for drug efficacy in the body is a critical issue that needs to be addressed. Metal-organic frameworks are a promising choice for drug loading. In the present study, DHA@ZIF-8 and DHA@MOF were constructed and characterized and were assessed in an experimental cerebral malaria model of C57BL/6 N mice induced by ANKA strain. Data show that DHA@ZIF-8 has a worthy therapeutic effect on experimental cerebral malaria. It will offer a new option for human cerebral malaria (HCM) treatment.

摘要

脑型疟疾(CM)主要由[具体病原体未给出]引起,是疟疾相关死亡的主要原因。由于治疗选择有限以及抗疟药物耐药性的出现,CM治疗面临重大挑战。双氢青蒿素(DHA)是疟疾的一线治疗药物。然而,它存在溶解度差、选择性不足和快速消除等局限性。在此,我们介绍了一种简便有效的方法,即使用包裹有DHA的沸石咪唑框架-8(ZIF-8,即DHA@ZIF-8),并在实验性脑型疟疾模型中评估其治疗效果。DHA@ZIF-8表现出优异的载药能力、高稳定性、延长的药物释放以及改善的对感染红细胞(iRBCs)内寄生虫的靶向清除。这将对脑微血管内皮细胞(BMECs)的损伤降至最低,并保护器官免受损伤,延长了感染小鼠的存活时间。与游离DHA相比,DHA@ZIF-8表现出更好的抗疟效果且几乎无副作用。本研究突出了ZIF-8作为一种可靠、稳定且高效的DHA药物递送载体以改善CM治疗的潜力。

重要性 对于人类疟疾的治疗,基于青蒿素的药物仍然是一线治疗选择。然而,它们的效用受到其短半衰期的限制。因此,延长药物在体内的疗效持续时间是一个需要解决的关键问题。金属有机框架是药物负载的一个有前途的选择。在本研究中,构建并表征了DHA@ZIF-8和DHA@MOF,并在由ANKA株诱导的C57BL/6 N小鼠实验性脑型疟疾模型中进行了评估。数据表明,DHA@ZIF-8对实验性脑型疟疾具有值得期待的治疗效果。它将为人类脑型疟疾(HCM)的治疗提供一种新的选择。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/a1420203966d/spectrum.02366-24.f004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/aa1fb0f67b6f/spectrum.02366-24.f001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/62dd0f52443b/spectrum.02366-24.f002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/07672cdd4042/spectrum.02366-24.f003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/a1420203966d/spectrum.02366-24.f004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/aa1fb0f67b6f/spectrum.02366-24.f001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/62dd0f52443b/spectrum.02366-24.f002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/07672cdd4042/spectrum.02366-24.f003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/faf2/12211061/a1420203966d/spectrum.02366-24.f004.jpg

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本文引用的文献

[1]
Metal-organic framework-encapsulated dihydroartemisinin nanoparticles induces apoptotic cell death in ovarian cancer by blocking ROMO1-mediated ROS production.

J Nanobiotechnology. 2023-6-29

[2]
Additive Therapy of Plasmodium berghei-Induced Experimental Cerebral Malaria via Dihydroartemisinin Combined with Rapamycin and Atorvastatin.

Microbiol Spectr. 2023-3-22

[3]
A Nanodrug Coated with Membrane from Brain Microvascular Endothelial Cells Protects against Experimental Cerebral Malaria.

Nano Lett. 2022-1-12

[4]
Toxicity assessment and underlying mechanisms of multiple metal organic frameworks using the green algae Chlamydomonas reinhardtii model.

Environ Pollut. 2021-12-15

[5]
In vitro renal toxicity evaluation of copper-based metal-organic framework HKUST-1 on human embryonic kidney cells.

Environ Pollut. 2021-3-15

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J Mater Chem B. 2020-8-26

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Bridging the quality gap in diagnosis and treatment of malaria.

BMJ. 2020-4-22

[8]
Site-specific MOF-based immunotherapeutic nanoplatforms via synergistic tumor cells-targeted treatment and dendritic cells-targeted immunomodulation.

Biomaterials. 2020-7

[9]
Biodegradable iron-coordinated hollow polydopamine nanospheres for dihydroartemisinin delivery and selectively enhanced therapy in tumor cells.

J Mater Chem B. 2019-10-16

[10]
Tuning the In Vivo Transport of Anticancer Drugs Using Renal-Clearable Gold Nanoparticles.

Angew Chem Int Ed Engl. 2019-6-17

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