Abstract
Tissue engineering aims to repair, restore, and regenerate lost or damaged tissues by using biomaterials, cells, mechanical forces and factors (chemical and biological) alone or in combination. Growth factors are routinely used in the tissue engineering approach to expedite the process of regeneration. The growth factor approach has been hampered by several complications including high dose requirements, lower half-life, protein instability, higher costs and undesired side effects. Recently a variety of alternative small molecules of both natural and synthetic origin have been explored as alternatives to growth factors for tissue regeneration applications. Small molecules are simple biochemical components that elicit certain cellular responses through signaling cascades. Small molecules present a viable alternative to biological factors. Small molecule strategies can reduce various side effects, maintain bioactivity in a biological environment and minimize cost issues associated with complex biological growth factors. This manuscript focuses on three-osteoinductive small molecules, namely melatonin, resveratrol (from natural sources) and purmorphamine (synthetically designed) as inducers of bone formation and osteogenic differentiation of stem cells. Efforts have been made to summarize possible biological pathways involved in the action of each of these drugs. Melatonin is known to affect Mitogen Activated Protein (MAP) kinase, Bone morphogenic protein (BMP) and canonical wnt signaling. Resveratrol is known to activate cascades involving Wnt and NAD-dependent deacetylase sirtuin-1 (Sirt1). Purmorphamine is a Hedgehog (Hh) pathway agonist as it acts on Smoothened (Smo) receptors. These mechanisms and the way they are affected by the respective small molecules will also be discussed in the manuscript.
Keywords: Small molecules, growth factors, bone tissue engineering, osteogenic, signaling pathways, stem cells, bone regeneration
Current Pharmaceutical Design
Title:Osteoinductive Small Molecules: Growth Factor Alternatives for Bone Tissue Engineering
Volume: 19 Issue: 19
Author(s): Aja Aravamudhan, Daisy M. Ramos, Jonathan Nip, Aditi Subramanian, Roshan James, Matthew D. Harmon, Xiaojun Yu and Sangamesh G. Kumbar
Affiliation:
Keywords: Small molecules, growth factors, bone tissue engineering, osteogenic, signaling pathways, stem cells, bone regeneration
Abstract: Tissue engineering aims to repair, restore, and regenerate lost or damaged tissues by using biomaterials, cells, mechanical forces and factors (chemical and biological) alone or in combination. Growth factors are routinely used in the tissue engineering approach to expedite the process of regeneration. The growth factor approach has been hampered by several complications including high dose requirements, lower half-life, protein instability, higher costs and undesired side effects. Recently a variety of alternative small molecules of both natural and synthetic origin have been explored as alternatives to growth factors for tissue regeneration applications. Small molecules are simple biochemical components that elicit certain cellular responses through signaling cascades. Small molecules present a viable alternative to biological factors. Small molecule strategies can reduce various side effects, maintain bioactivity in a biological environment and minimize cost issues associated with complex biological growth factors. This manuscript focuses on three-osteoinductive small molecules, namely melatonin, resveratrol (from natural sources) and purmorphamine (synthetically designed) as inducers of bone formation and osteogenic differentiation of stem cells. Efforts have been made to summarize possible biological pathways involved in the action of each of these drugs. Melatonin is known to affect Mitogen Activated Protein (MAP) kinase, Bone morphogenic protein (BMP) and canonical wnt signaling. Resveratrol is known to activate cascades involving Wnt and NAD-dependent deacetylase sirtuin-1 (Sirt1). Purmorphamine is a Hedgehog (Hh) pathway agonist as it acts on Smoothened (Smo) receptors. These mechanisms and the way they are affected by the respective small molecules will also be discussed in the manuscript.
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Cite this article as:
Aravamudhan Aja, M. Ramos Daisy, Nip Jonathan, Subramanian Aditi, James Roshan, D. Harmon Matthew, Yu Xiaojun and G. Kumbar Sangamesh, Osteoinductive Small Molecules: Growth Factor Alternatives for Bone Tissue Engineering, Current Pharmaceutical Design 2013; 19 (19) . https://dx.doi.org/10.2174/1381612811319190008
DOI https://dx.doi.org/10.2174/1381612811319190008 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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