Bone-Regenerative Potential of Cissus Quadrangularis Phytoestrogens in Osteoblast Cultures

Abstract

Background: The reproduction of bone-regeneration studies with defined phytoestrogen fractions may be a reproducible scaffold. Objective: To evaluate phytoestrogen-enriched Cissus quadrangularis fraction in comparison with vehicle control and estradiol reference using a cell-culture experiment. Methods: The guideline contained 18 experimental groups or participants that encompassed human osteoblast-like SaOS-2 cultures. The treatment was done or experimented over a period of 21 days. The main result was the alkaline phosphatase activity, the further evaluation of cell growth, RUNX2 levels, alizarin-red mineralization, and the osteocalcin secretion. The tests were done using standardized laboratory, clinical, or food-analysis methods, and the between-condition effects were tested using 2-sided tests at α=0.05. Results: The 25 µg/mL phytoestrogen fraction increased alkaline phosphatase activity from 18 ± 3 to 42 ± 5 U/mg protein and increased RUNX2 expression 2.5 ± 0.4-fold (p<0.001).
The calcium deposition of 59 ± 7 µg/well and mineralized area of 56 ± 6 were obtained at day 21, which were three and four times higher than the control values, respectively. Direction and magnitude of the dummy results were internally consistent among primary and secondary endpoints and tolerability or assay-quality criteria were acceptable. Conclusion: The presented example dataset indicates that the phytoestrogen-enriched Cissus quadrangularis fraction may have a significant effect on alkaline phosphatase activity via estrogen-receptor-mediated osteogenic signaling and by triggering the matrix maturation pathways. These results are merely a development example of a manuscript that needs to be substituted with ethically produced, independently checked observations prior to scientific publication. Keywords: Cissus quadrangularis; osteoblast; phytoestrogen; mineralization; bone regeneration.