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Abstract

Tissue engineering and regenerative medicine represent a revolutionary approach to treating a wide array of injuries and diseases by harnessing the body's own repair mechanisms and combining them with advanced biomaterials, cells, and bioengineering techniques. This interdisciplinary field aims to create functional tissues and organs in the laboratory, which can then be implanted or integrated into the body to restore lost or damaged functions. Key components of tissue engineering include the use of scaffolds that provide structural support for cell growth, the selection of appropriate cell types—ranging from stem cells to differentiated cells—and the application of biochemical and mechanical cues to guide tissue development. Regenerative medicine extends this concept further by incorporating gene therapy, stem cell therapy, and tissue regeneration strategies to stimulate the body's natural healing processes. Advances in these areas have led to significant progress in treating conditions such as cardiovascular disease, spinal cord injuries, and organ failure. Despite promising developments, challenges remain, including ensuring long-term integration and functionality of engineered tissues, addressing ethical concerns, and achieving scalable production. Continued research and innovation in tissue engineering and regenerative medicine hold the potential to transform medical practice and improve patient outcomes globally.