Efficient lung cancer-targeted drug delivery via a nanoparticle/MSC system
Open accessAbstract
Low targeting efficiency limits the applications of nanoparticles in cancer therapy. The fact that mesenchymal stem cells (MSC) trapped in the lung after systemic infusion is a disadvantage for cell therapy purposes. Here, we utilized MSC as lung cancer-targeted drug delivery vehicles by loading nanoparticles (NP) with anti-cancer drug. MSC showed a higher drug intake capacity than fibroblasts. In addition, MSC showed predominant lung trapping in both rabbit and monkey. IR-780 dye, a fluorescent probe used to represent docetaxel (DTX) in NP, delivered via MSC accumulated in the lung. Both in vitro MSC/A549 cell experiments and in vivo MSC/lung cancer experiments validated the intercellular transportation of NP between MSC and cancer cells. In vivo assays showed that the MSC/NP/DTX drug delivery system exerted primary tumor inhibition efficiency similar to that of a NP/DTX drug system. Collectively, the MSC/NP drug delivery system is promising for lung-targeted drug delivery for the treatment of lung cancer and other lung-related diseases.
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Both BM-MSCs and ASCs have the ability to take up certain anti-cancer agents using three main mechanisms: transporters, simple diffusion, and endocytosis.
“Both BM-MSCs and ASCs have the ability to take up certain anti-cancer agents using three main mechanisms: transporters, simple diffusion, and endocytosis.”
From Mesenchymal Stem/Stromal Cells: Immunomodulatory and Bone Regeneration Potential after Tumor Excision in Osteosarcoma Patients (2023) · cites this paper as [112]
The Results section, “MSC have great capacity in nanoparticle/drug intake” (page not provided), reports anticancer-drug uptake by MSCs and increased clathrin expression, consistent with a role for endocytosis. The paper does not establish uptake by ASCs or identify transporters, simple diffusion, and endocytosis as three main uptake mechanisms. (LLM, conf=0.88)
Experimental — accuracy not yet measuredASCs show increased levels of the endocytosis mediator clathrin, which may play a role in the internalization of drugs via receptor-mediated endocytosis.
“ASCs also show increased levels of the endocytosis mediator clathrin, which may play a role in the internalization of drugs via receptor-mediated endocytosis [109,112].”
From Mesenchymal Stem/Stromal Cells: Immunomodulatory and Bone Regeneration Potential after Tumor Excision in Osteosarcoma Patients (2023) · cites this paper as [112]
The Results section, “MSC have great capacity in nanoparticle/drug intake” (page unavailable), reports increased clathrin expression in MSC and identifies clathrin as an endocytosis mediator. But the Methods section, “Cell culture, 3D cell spheres and cell imaging” (page unavailable), says these MSC were isolated from placenta, not adipose tissue; the paper also does not identify receptor-mediated endocytosis as the route of drug uptake. (LLM, conf=0.90)
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- Authors
- Wang, X., Chen, H., Zeng, X., Guo, W., Jin, Y., Wang, S., Tian, R., Han, Y., Guo, L., Han, J., Wu, Y., & Mei, L.
- Affiliations
- Sun Yat-sen University (CN)
- Tsinghua–Berkeley Shenzhen Institute (CN)
- Shenzhen University (CN)
- Tsinghua University (CN)
- Nanfang Hospital (CN)
- Southern University of Science and Technology (CN)
- Corresponding author
- Wu, Yaojiong
- Mei, Lin
- Venue
- Acta Pharmaceutica Sinica B
- Publisher
- Elsevier BV
- Published
- 2019-01
- Volume
- 9
- Issue
- 1
- Pages
- 167-176
- ISSN
- 2211-3835 (ISSN-L)
- PMC
- PMC6362298
- OpenAlex
- W2890037297
- Cited by
- 126
- References
- 3
- Citations by year
- 2026: 6 · 2025: 9 · 2024: 18 · 2023: 26 · 2022: 16 · 2021: 16 · 2020: 28 · 2019: 6 · 2018: 1
- FWCI
- 4.13
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Acta Pharmaceutica Sinica B (publishedVersion, cc-by-nc-nd)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Natural Science Foundation of China (81771966, 31371404, 31401187, 31571429)
- Fundamental Research Funds for the Central Universities
- Guangdong Natural Science Funds for Distinguished Young Scholar (2014A030306036)
- Natural Science Foundation of Guangdong, China (2015A030311041, 2015A030313763)
- Science and Technology Planning Project of Guangdong Province, China (2016A020217001, 2014A020212466)
- Shenzhen Science and Technology InnovationCommittee (JCYJ20160301152300347, JCYJ20160531195129079, JCYJ20170412095722235, JCYJ2016042-9171931438, GJHZ20150316160614842)
- Guangdong Province Medical Science and Technology Research Fund (A2016445)
- Topics
- Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
- Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Cancer Research and Treatments
- Keywords
- lung cancer, targeted drug delivery, mesenchymal stem cells, nanoparticles, docetaxel, IR780, A549 cells
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