主题词：Mesenchymal stem cell research; Tissue Engineering and Regenerative Medicine; Pluripotent Stem Cells Research; Periodontal Regeneration and Treatments; Wound Healing and Treatments; 3D Printing in Biomedical Research; Osteoarthritis Treatment and Mechanisms; Extracellular vesicles in disease; Biomedical Ethics and Regulation; Electrospun Nanofibers in Biomedical Applications; Bone Tissue Engineering Materials; Nerve injury and regeneration; Liver physiology and pathology; CRISPR and Genetic Engineering; Tendon Structure and Treatment; MicroRNA in disease regulation; Corneal Surgery and Treatments; CAR-T cell therapy research; Bone Metabolism and Diseases; Cancer Cells and Metastasis; Pancreatic function and diabetes; Hair Growth and Disorders; Neurogenesis and neuroplasticity mechanisms; Diverse Scientific and Economic Studies; Educational Robotics and Engineering