F16 Hybrids Derived from Steviol or Isosteviol Are Accumulated in the Mitochondria of Tumor Cells and Overcome Drug Resistance

Steviol and isosteviol were prepared from the commercially available sweetener stevioside and converted into lipophilic F16 hybrids. Their cytotoxicity was determined in SRB assays and showed to depend on both the substitution pattern of the aromatic substituent as well as on the spacer length. Ther...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2024-01, Vol.29 (2), p.381
Main Authors: Heise, Niels V, Heisig, Julia, Meier, Kristof, Csuk, René, Mueller, Thomas
Format: Article
Language:English
Subjects:
Cancer
Cell cycle
Cell Line, Tumor
Cytotoxicity
Diterpenes, Kaurane
Drug resistance
Drug therapy
Expected values
Experiments
F16 hybrids
Female
Humans
isosteviol
Mitochondria
mitochondrial accumulation
Ovarian Neoplasms
steviol
Tumors
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Summary:Steviol and isosteviol were prepared from the commercially available sweetener stevioside and converted into lipophilic F16 hybrids. Their cytotoxicity was determined in SRB assays and showed to depend on both the substitution pattern of the aromatic substituent as well as on the spacer length. Therefore, compound held an IC (A2780) of 180 nM, thus surpassing the activity of comparable rhodamine hybrids. Several of the compounds were also able to overcome drug resistance in the A2780/A2780cis model. Extra staining experiments showed a similar subcellular accumulation pattern of the F16 hybrids as a well-established mitocan, hence proving preferential mitochondrial accumulation but also some other accumulation in other cellular areas.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules29020381