Stem cells are undifferentiated, self-renewable, and specialized cells. They may be converted into different cell types like neurons, muscle cells, or blood cells. The embryonic stem cells are pluripotent, and the adult stem cells are limited in their differentiation capabilities. Stem cell therapy is effective in the case of spinal cord injuries, diabetes, Parkinson’s disease, and heart disorders. They are also important in the testing of drugs and the modeling of diseases. The problem of ethical issues and immune rejection is still a problem. However, stem cells are altering the future of biotechnology in medicine.
MBH/AB