Rebu Sundar, Gayathri Sundar, Annie John, Annie Abraham
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引用次数: 0
Abstract
Purpose: To investigate the impact of Butea monosperma (BM) bark extract on the osteogenic differentiation potential of rat adipose-derived mesenchymal stem cells (rADMSCs) and to elucidate the involvement of Wnt/β-catenin pathway in mediating this osseous effect.
Methods: Characterizations (antioxidant assays, FTIR and LC/MS analyses) and docking studies (in silico) were performed to evaluate the presence of phytochemicals in the BM extract and their binding capacity to that of the frizzled receptor. rADMSCs were isolated and characterised for its differentiation potential of osteogenesis for stemness. Dose fixation, cytotoxicity, osteogenic differentiation (calcium, mineral deposition, alkaline phosphatase and osteocalcin) and gene expression (osteocalcin, Col1, osteonectin, Bmp2, Runx2, Wnt2, and β-catenin-14 and 28 days) of the extract were also evaluated in vitro.
Results: FTIR and LC/MS analyses unveiled the phytochemicals in the extract and with docking studies confirmed their interaction with the frizzled receptor of Wnt/β-catenin pathway. rADMSCs were isolated and differentiated in the presence of the osteogenic induction medium. Dose fixation studies, cytotoxicity and cell viability assessments demonstrated the phytochemicals concentration-dependent cytotoxicity. The presence of specific bone markers highlighted the osteogenic differentiation potential of the phytochemicals. Furthermore, gene expression studies of rADMSCs depicted a heightened bone-forming capacity potentially facilitated by the activation of Wnt/β-catenin pathway.
Conclusion: The phytochemicals of BM promoted the osteogenic differentiation of rADMSCs through the activation of the signalling Wnt/β-Catenin pathway, as evidenced by the significant upregulation of early and late bone markers. The phytochemicals may therefore be positioned as promising therapeutic agents for enhancing bone regeneration, offering new avenues for regenerative medicine.
期刊介绍:
Biotechnology Letters is the world’s leading rapid-publication primary journal dedicated to biotechnology as a whole – that is to topics relating to actual or potential applications of biological reactions affected by microbial, plant or animal cells and biocatalysts derived from them.
All relevant aspects of molecular biology, genetics and cell biochemistry, of process and reactor design, of pre- and post-treatment steps, and of manufacturing or service operations are therefore included.
Contributions from industrial and academic laboratories are equally welcome. We also welcome contributions covering biotechnological aspects of regenerative medicine and biomaterials and also cancer biotechnology. Criteria for the acceptance of papers relate to our aim of publishing useful and informative results that will be of value to other workers in related fields.
The emphasis is very much on novelty and immediacy in order to justify rapid publication of authors’ results. It should be noted, however, that we do not normally publish papers (but this is not absolute) that deal with unidentified consortia of microorganisms (e.g. as in activated sludge) as these results may not be easily reproducible in other laboratories.
Papers describing the isolation and identification of microorganisms are not regarded as appropriate but such information can be appended as supporting information to a paper. Papers dealing with simple process development are usually considered to lack sufficient novelty or interest to warrant publication.