Research Article Open Access

The Effect of Bovine Cartilage on the Growth of Mouse B16F10 Melanoma Cells in vitro and in vivo

Arax Tanelian1, Dalal F. Jaber1, Nayla S. Al Akl1 and Alexander M. Abdelnoor1
  • 1 American University of Beirut, Lebanon

Abstract

Earlier reports indicated that Bovine Cartilage (BC) had anti-tumor effects but only a few in vitro and in vivo investigations were conducted to assess its mechanism of action. The aim of this study was to investigate some of the proposed mechanisms of action of BC on mouse melanoma cells both in vitro and in vivo and to determine if its effect on tumor cells is selective. One hundred and ten mice were divided into 5 groups and received Intraperitoneal (IP) injections of melanoma cells followed by treatment with BC using different routes of administration. Following a daily treatment period of 16 days, serum levels of VEGF and IL-12 were determined by ELISA at 2, 4 and 6 h after the last treatment dose. Additionally, 10 mice from each group were monitored for survival for 20 days post-last treatment. Moreover, melanoma and mouse mononuclear cells were incubated separately with increasing BC concentrations for 48 h and percent viability was determined. A significant decrease in the serum levels of VEGF and significant increase in the serum levels of IL-12 were observed in the groups treated with BC. Moreover 20% survival rate was noted in the group treated with BC both orally and IP, whereas 10% survival was noted in the groups given BC either IP or orally. In vitro, total eradication of melanoma cells was observed with 1000 μg mL-1 of BC. BC was not toxic to mouse mononuclear cells. The in vivo anti-tumor effect of BC was best observed when combined IP and oral doses were given and it appears that two of its actions are by activating macrophages as indicated by increases in IL-12 levels and blocking angiogenesis as indicated by decreases in VEGF levels. Finally BC showed selective toxicity against melanoma cells.

American Journal of Immunology
Volume 12 No. 3, 2016, 69-76

DOI: https://doi.org/10.3844/ajisp.2016.69.76

Submitted On: 23 August 2016 Published On: 26 October 2016

How to Cite: Tanelian, A., Jaber, D. F., Al Akl, N. S. & Abdelnoor, A. M. (2016). The Effect of Bovine Cartilage on the Growth of Mouse B16F10 Melanoma Cells in vitro and in vivo. American Journal of Immunology, 12(3), 69-76. https://doi.org/10.3844/ajisp.2016.69.76

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Keywords

  • B16F10 Melanoma Cells
  • Bovine Cartilage
  • VEGF
  • IL-12