PUBLICATION

Fisetin: An Integrated Approach to Identify a Strategy Promoting Osteogenesis

Authors
Dalle Carbonare, L., Bertacco, J., Gaglio, S.C., Minoia, A., Cominacini, M., Cheri, S., Deiana, M., Marchetto, G., Bisognin, A., Gandini, A., Antoniazzi, F., Perduca, M., Mottes, M., Valenti, M.T.
ID
ZDB-PUB-220603-4
Date
2022
Source
Frontiers in pharmacology   13: 890693 (Journal)
Registered Authors
Keywords
PLGA, differentiation, fisetin, mesenchymal stem cells, osteogenesis
MeSH Terms
none
PubMed
35652047 Full text @ Front Pharmacol
Abstract
Flavonoids may modulate the bone formation process. Among flavonoids, fisetin is known to counteract tumor growth, osteoarthritis, and rheumatoid arthritis. In addition, fisetin prevents inflammation-induced bone loss. In order to evaluate its favorable use in osteogenesis, we assayed fisetin supplementation in both in vitro and in vivo models and gathered information on nanoparticle-mediated delivery of fisetin in vitro and in a microfluidic system. Real-time RT-PCR, Western blotting, and nanoparticle synthesis were performed to evaluate the effects of fisetin in vitro, in the zebrafish model, and in ex vivo samples. Our results demonstrated that fisetin at 2.5 µM concentration promotes bone formation in vitro and mineralization in the zebrafish model. In addition, we found that fisetin stimulates osteoblast maturation in cell cultures obtained from cleidocranial dysplasia patients. Remarkably, PLGA nanoparticles increased fisetin stability and, consequently, its stimulating effects on RUNX2 and its downstream gene SP7 expression. Therefore, our findings demonstrated the positive effects of fisetin on osteogenesis and suggest that patients affected by skeletal diseases, both of genetic and metabolic origins, may actually benefit from fisetin supplementation.
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