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Abstract Title:

Hibiscus Flower and Olive Leaf Extracts Activate Apoptosis in SH-SY5Y Cells.

Abstract Source:

Antioxidants (Basel). 2021 Dec 7 ;10(12). Epub 2021 Dec 7. PMID: 34943065

Abstract Author(s):

Elda Chiaino, Matteo Micucci, Roberta Budriesi, Laura Beatrice Mattioli, Carla Marzetti, Maddalena Corsini, Maria Frosini

Article Affiliation:

Elda Chiaino

Abstract:

Compounds of natural origin may constitute an interesting tool for the treatment of neuroblastoma, the most prevalent extracranial solid tumor in children. PRES is a commercially available food supplement, composed of a 13:2 () extracts mix ofL. leaves (OE) andL. flowers (HS). Its potential towards neuroblastoma is still unexplored and was thus investigated in human neuroblastoma SH-SY5Y cells. PRES decreased the viability of cells in a concentration-dependent fashion (24 h IC247.2± 31.8 µg/mL). Cytotoxicity was accompanied by an increase in early and late apoptotic cells (AV-PI assay) and sub G0/G1 cells (cell cycle analysis), ROS formation, reduction in mitochondrial membrane potential, and caspases activities. The ROS scavenger N-acetyl-L-cysteine reverted the cytotoxiceffects of PRES, suggesting a key role played by ROS in PRES-mediated SH-SY5Y cell death. Finally, the effects of OE and HS extracts were singularly tested and compared to those of the corresponding mixture. OE- or HS-mediated cytotoxicity was always significantly lower than that caused by PRES, suggesting a synergic effect. In conclusion, the present findings highlight the potential of PRES for the treatment of neuroblastoma and offers the basis for a further characterization of the mechanisms underlying its effects.

Study Type : In Vitro Study

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