Polymeric Scaffolds in Tissue Engineering

Om M. Bagade Vishwakarma University School of Pharmacy, Pune-411048, Maharashtra, India Priyanka E. Doke-Bagade School of Pharmaceuticals Sciences, Vels Institute of Science, Technology & Advanced Studies (VISTAS), Chennai-600117, Tamilnadu, India Sachin N. Kothawade Department of Pharmaceutics, SCSSS's Sitabai Thite College of Pharmacy, Shirur-412210, DistPune, Maharashtra, India Rakesh D. Amrutkar K. K. Wagh College of Pharmacy, Amrutdham, Panchavati, Nashik-422003, Maharashtra, India Polymeric Scaffolds in Tissue Engineering

Polymeric scaffolds perform a pivotal character in tissue engineering, offering a versatile platform for regenerative medicine applications. This abstract provides an inclusive outline of the contemporary state of research on polymeric scaffolds, highlighting their significance in fostering tissue regeneration. These threedimensional structures simulate the extracellular background as long as a conducive environment for proliferation, cell adhesion, and differentiation is concerned. The choice of polymers, fabrication techniques, and scaffold architecture critically influence their performance. Various polymers belonging to the natural and synthetic origins have been explored, each possessing unique properties that address specific tissue engineering challenges. Polymers from the natural origin, such as chitosan, collagen, and hyaluronic acid, offer biocompatibility and bioactivity, while synthetic polymers like poly(lactic-co-glycolic acid) (PLGA) provide tunable mechanical properties and degradation rates. Amalgam scaffolds, combining the benefits of both types, exhibit enhanced performance. Advanced fabrication methods, including electrospinning and 3D bioprinting, enable precise control over scaffold architecture, porosity, and surface topography. The rational choices of polymers are essential to simulate the instinctive extracellular medium and create a conducive microenvironment for cell proliferation, attachment, and differentiation. The interaction between cells and polymeric scaffolds is governed by intricate signaling pathways, influencing cell fate and tissue development. Additionally, the incorporation of bioactive fragments, growth factors, and nanomaterials further enhances the functionality of these scaffolds. Despite significant progress, challenges such as long-term biocompatibility and immunogenicity remain areas of active investigation. Polymeric scaffolds in tissue engineering continue to evolve as a promising strategy for regenerative medicine. The synergistic combination of diverse polymers, advanced fabrication techniques, and bioactive components holds immense potential for creating tailored solutions for tissue-specific regeneration.
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