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Recent progress in the toxicity of nitric oxide-releasing nanomaterials

Abstract : Nitric oxide (NO) is a signaling molecule controlling important biological processes. Depending on its concentration, location and cellular environment, NO can have protective or toxic effects. As NO is a free radical, several classes of NO donors/generators have been prepared and combined with nanomaterials, in particular with polymeric nanoparticles. Engineered nanoparticles are attractive nanocarriers extensively used in biomedical applications, in particular in cancer biology due to their ability to promote a site-target therapeutic effect, with minimum side effects to health tissues. NO-releasing nanoparticles can have direct toxic effects to tumor cells, or it can promote cancer cells sensitization to traditional cancer treatments. The combination of NO-releasing nanoparticles with conventional anticancer therapies is a promising approach in the reversion of multidrug resistance (MDR) cells. This review presents and discusses the recent progress in the cytotoxicity (tumoral and non-tumoral cell lines) of NO-releasing polymeric and/or polymer-coated nanomaterials and the in vivo biocompatibility of NO-releasing nanoparticles. Moreover, the ability of these nanoparticles to combat MDR, their mechanisms of toxicity and drawbacks are also discussed.
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Submitted on : Thursday, October 7, 2021 - 3:27:27 PM
Last modification on : Friday, April 8, 2022 - 3:16:02 PM
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Joana Claudio Pieretti, Milena T Pelegrino, Ariane Boudier, Amedea Barozzi Seabra. Recent progress in the toxicity of nitric oxide-releasing nanomaterials. Materials Advances, Royal Society of Chemistry, 2021, ⟨10.1039/D1MA00532D⟩. ⟨hal-03369765⟩



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