JBIC Journal of Biological Inorganic Chemistry

, Volume 21, Issue 8, pp 1009–1020 | Cite as

In vitro and in vivo antitumor effects of the VO-chrysin complex on a new three-dimensional osteosarcoma spheroids model and a xenograft tumor in mice

  • Ignacio E. LeónEmail author
  • Juan F. Cadavid-Vargas
  • Agustina Resasco
  • Fabricio Maschi
  • Miguel A. Ayala
  • Cecilia Carbone
  • Susana B. EtcheverryEmail author
Original Paper


Osteosarcoma (OS) is the most common primary tumor of bone, occurring predominantly in the second decade of life. High-dose cytotoxic chemotherapy and surgical resection have improved prognosis, with long-term survival for patients with localized disease. Vanadium is an ultra-trace element that after being absorbed accumulates in bone. Besides, vanadium compounds have been studied during recent years to be considered as representative of a new class of non-platinum antitumor agents. Moreover, flavonoids are a wide family of polyphenolic compounds that display many interesting biological effects. Since coordination of ligands to metals can improve the pharmacological properties, we report herein, for the first time, the in vitro and in vivo effects of an oxidovanadium(IV) complex with the flavonoid chrysin on the new 3D human osteosarcoma and xenograft osteosarcoma mice models. The pharmacological results show that VOchrys inhibited the cell viability affecting the shape and volume of the spheroids and VOchrys suppressed MG-63 tumor growth in the nude mice without inducing toxicity and side effects. As a whole, the results presented herein demonstrate that the antitumor action of the complex was very promissory on human osteosarcoma models, whereby suggesting that VOchrys is a potentially good candidate for future use in alternative antitumor treatments.

Graphical Abstract


Osteosarcoma Vanadium Xenograft mice Spheroids Flavonoids 



This work was partly supported by UNLP (11X/690), CONICET (PIP 1125), and ANPCyT (PICT 2014-2223, PPL2-2011-0008, and PME 2006-068) from Argentina. IEL and SBE are members of the Carrera del Investigador, CONICET, Argentina. JFCV is fellowship from CONICET, Argentina. The authors would like to thank to Prof. Dr. Adriana Massone (FCV, UNLP) for the management work with the tumor histopathology.

Supplementary material

775_2016_1397_MOESM1_ESM.pdf (69 kb)
Supplementary material 1 (PDF 69 kb)


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Copyright information

© SBIC 2016

Authors and Affiliations

  • Ignacio E. León
    • 1
    • 2
    Email author
  • Juan F. Cadavid-Vargas
    • 1
    • 2
  • Agustina Resasco
    • 3
  • Fabricio Maschi
    • 3
  • Miguel A. Ayala
    • 3
  • Cecilia Carbone
    • 3
  • Susana B. Etcheverry
    • 1
    • 2
    Email author
  1. 1.Cátedra de Bioquímica Patológica, Facultad Ciencias ExactasUniversidad Nacional de La PlataLa PlataArgentina
  2. 2.Centro de Química Inorgánica (CEQUINOR-CONICET), Facultad de Ciencias ExactasUniversidad Nacional de La PlataLa PlataArgentina
  3. 3.Cátedra de animales de laboratorio, Facultad de Ciencias VeterinariasUniversidad Nacional de La PlataLa PlataArgentina

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