Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 116, Issue -, Pages 1268-1281Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2018.05.116
Keywords
Osteoporosis; combo delivery; alendronate; curcumin; hyaluronic acid; combo-delivery; enhanced bone regeneration
Funding
- Institute of Research Management & Innovation (IRMI), Universiti Teknologi MARA (UiTM) [600-IRMI/DANA 5/3/LESTARI (0007/2016)]
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Osteoporosis is a medical condition of fragile bones with an increased susceptibility to fracture. Despite having availability of a wide range of pharmacological agents, prevalence of osteoporosis is continuously escalating. Owing to excellent biomedical achievements of nanomedicines in the last few decades, we aimed combo-delivery of bone anti-resorptive agent, alendronate (ALN), and bone density enhancing drug, curcumin (CUR) in the form of polymeric nanoparticles. To further optimize the therapeutic efficacy, the prepared ALN/CUR nanoparticles (NPs) were decorated with hyaluronic acid (HA) which is a well-documented biomacromolecule having exceptional bone regenerating potential. The optimized nanoformulation was then evaluated for bone regeneration efficacy by assessing time-mannered modulation in the proliferation, differentiation, and mineralization of MC3T3-E1 cells, a pre-osteoblastic model. Moreover, the time-mannered expression of various bone-forming protein biomarkers such as bone morphogenetic protein, runt related transcription factor 2, and osteocalcin were assessed in the cell lysates. Results revealed that HA-ALN/CUR NPs provoke remarkable increase in the proliferation, differentiation, and mineralization in the ECM of MC3T3-E1 cells which ultimately leads to enhanced bone formation. This new strategy of employing simultaneous delivery of anti-resorptive and bone forming agents would open new horizons for scientists as an efficient alternative pharmacotherapy for the management of osteoporosis. (C) 2018 Published by Elsevier B.V.
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