ArticleMolecular pharmaceutics2019
Magnetophoretic Delivery of a Tumor-Priming Agent for Chemotherapy of Metastatic Murine Breast Cancer.
Article in Molecular pharmaceutics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 10 citations in OpenAlex.
- A Tri-Stimuli Responsive (Maghemite/PLGA)/Chitosan Nanostructure with Promising Applications in Lung Cancer.Pharmaceutics · 2021Article
- Improving the Cellular Uptake of Biomimetic Magnetic Nanoparticles.Nanomaterials (Basel, Switzerland) · 2021Article
- In-vitro and in-vivo difference in gene delivery by lithocholic acid-polyethyleneimine conjugate.Biomaterials · 2019Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Tumor microenvironment is a significant physical barrier to the effective delivery of chemotherapy into solid tumors. To overcome this challenge, tumors are pretreated with an agent that reduces cellular and extracellular matrix densities prior to chemotherapy. However, it also comes with a concern that metastasis may increase due to the loss of protective containment. We hypothesize that timely priming at the early stage of primary tumors will help control metastasis. To test this, we primed orthotopic 4T1 breast tumors with a paclitaxel (PTX)-loaded iron-oxide-decorated poly(lactic- co-glycolic acid) nanoparticle (NP) composite (PTX@PINC), which can be quickly concentrated in target tissues with the aid of an external magnet, and monitored its effect on the delivery of subsequently administered NPs. Magnetic resonance imaging and optical whole-body imaging confirmed that PTX@PINC was efficiently delivered to tumors by the external magnet and help loosen the tumors to accommodate subsequently delivered NPs. Consistently, the primed tumors responded to Doxil better than nonprimed tumors. In addition, lung metastasis was significantly reduced in the animals PINC-primed prior to Doxil administration. These results support that PINC combined with magnetophoresis can facilitate the timely management of primary tumors with a favorable secondary effect on metastasis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.