Tissue Engineering Skins Combined With Bone Marrow Mesenchymal Stem Cells Repair Skin Deficiency

Stem cells can renew themselves for long periods through cell division, proliferate rapidly and have the remarkable potential to develop into many different cell types in the body. Serving as a sort of repair system for the body, they can theoretically divide without limit to replenish other cells as long as the person or animal is still alive. When a stem cell divides, each new cell has the potential to either remain a stem cell or become another type of cell with a more specialized function. Embryonic stem cells have many limitations in application because of ethical and moral principles. So, recent years many researches focus on the adult stem cells, especially bone marrow stem cells. The bone marrow contains at least two kinds of stem cells. One population, called hematopoietic stem cells (HSCs), forms all the types of blood cells in the body. A second population, called mesenchymal stem cells(MSCs), are a mixed cell population that generates bone, cartilage, fat, vascular endothelial cells , fibrous connective tissue, pancreatic islet, muscle, even liver cell, nerve...