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Biological Research

Print version ISSN 0716-9760

Abstract

MAMUN, Md. Abdullah Al et al. Tridax procumbens flavonoids: a prospective bioactive compound increased osteoblast differentiation and trabecular bone formation. Biol. Res. [online]. 2017, vol.50, 28.  Epub Oct 30, 2017. ISSN 0716-9760.  http://dx.doi.org/10.1186/s40659-017-0134-7.

Background

The Tridax procumbens extracts (TPE) are known for their ethno-medicinal properties to increase osteogenic functioning in mesenchymal stem cells. Recently, we found that the T. procumbens flavonoids (TPF) significantly suppressed the RANKL-induced osteoclasts differentiation and bone resorption. The TPF also promoted osteoblasts differentiation and bone formation demonstrated by increasing bone formation markers in cultured mouse primary osteoblasts. However, the effects of the TPF on in vivo bone formation remain unclear. In this study, we investigated the effects of the TPF on in vivo bone formation, injected the TPF (20 mg/kg) twice a day in the low calcium diet mice and killed them after 21 day. Radiographic and histomorphometric analyses were performed on the dissected bones to determine the anabolic effects of the TPF.

Results

Bone mineral density and bone mineral content of the TPF-treated mice were significantly increased compared to the control mice. Bone formation-related indices like osteoblast number, osteoblast surface, bone volume, mineralizing surface, mineral apposition rate and bone formation rate were significantly increased in the TPF-treated mice compared to the control mice.

Conclusion

Our findings point towards the stimulation of bone formation by TPF, suggested that the TPF could be a potential natural anabolic agent to treat patients with bone loss-associated diseases such as osteoporosis.

Keywords : Alkaline phosphatase; Bone formation; Osteoblast differentiation; Tridax procumbens flavonoids; Trabecular bone.

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