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  • Title: Naringenin Nanocrystals Mitigate Rotenone Neurotoxicity in SH-SY5Y Cell Line by Modulating Mitophagy and Oxidative Stress.
    Author: Giradkar V, Mhaske A, Shukla R.
    Journal: AAPS PharmSciTech; 2024 Sep 30; 25(7):227. PubMed ID: 39349907.
    Abstract:
    Naringenin, a potent antioxidant with anti-apoptotic effects, holds potential in counteracting rotenone-induced neurotoxicity, a model for Parkinson's disease, by reducing oxidative stress and supporting mitochondrial function. Rotenone disrupts ATP production in SH-SY5Y cells through mitochondrial complex-I inhibition, leading to increased reactive oxygen species (ROS) and cellular damage. However, the therapeutic use of naringenin is limited by its poor solubility, low bioavailability, and stability concerns. Nano crystallization of naringenin (NCs), significantly improved its solubility, dissolution rates, and stability for targeted drug delivery. The developed NAR-NC and HSA-NAR-NC formulations exhibit particle sizes of 95.23 nm and 147.89 nm, with zeta potentials of -20.6 mV and -28.5 mV, respectively. These nanocrystals also maintain high drug content and show stability over time, confirming their pharmaceutical viability. In studies using the SH-SY5Y cell line, these modified nanocrystals effectively preserved mitochondrial membrane potential, sustained ATP production, and regulated ROS levels, counteracting the neurotoxic effects of rotenone. Naringenin nanocrystals offer a promising solution for improving the stability and bioavailability of naringenin, with potential therapeutic applications in neurodegenerative diseases.
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