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Pharmacokinetics and Anticancer Activity of Folic Acid-Functionalized Magnetic Nanoparticles

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The theranostic potential of functionalized magnetic nanoparticles (MNPs) generates different possibilities for their medical application, including better control of toxicity and reduction of potential side effects. Aminosilane magnetic nanoparticles ([email protected]2) and their folic acid derivatives ([email protected]) labeled by N-hydroxysuccinimide ester (IRDye 800CW) were evaluated for prospective use in the design of new diagnostic and treatment tools for colorectal cancer, using the DLD-1 cell culture system and an animal model of cancer xenograft. In cell culture, [email protected] internalization and nuclear localization were associated with decreased cell viability and increased apoptosis rate. Independent of the application method, the presence of folic acid on the MNP surface resulted in more rapid elimination from mice, without non-specific accumulation in animal organs. Additionally, increased retention of [email protected], restriction of tumor growth, and Caspase-3 dependent apoptosis were observed in the mouse xenograft model of colorectal cancer. Rapid and preferential uptake of [email protected] by cancer cells associated with their ability to eliminate and prevent cancer cell growth (reduction of tumor mass) indicates their potential for targeted cancer therapy with lower toxicity.
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Document Type: Research Article

Publication date: June 1, 2017

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  • Journal of Biomedical Nanotechnology (JBN) is a peer-reviewed multidisciplinary journal providing broad coverage in all research areas focused on the applications of nanotechnology in medicine, drug delivery systems, infectious disease, biomedical sciences, biotechnology, and all other related fields of life sciences.
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