Which types of cells can be used in regenerative medicine treatments?

Regenerative medicine utilizes various cell types to repair or replace damaged tissues and organs. The primary cells used in these treatments include:

• Embryonic stem cells (ESCs): These are pluripotent, meaning they can differentiate into any cell type. While they are ideal for regenerating tissues like the heart, pancreas, and nervous system, their use is often subject to ethical concerns and potential immune rejection.1
• Adult stem cells: These are found in specific tissues and include:
  • Hematopoietic stem cells: Located in bone marrow, peripheral blood, and umbilical cord blood, these generate blood and immune system cells and are commonly used in bone marrow transplants.2
  • Mesenchymal stem cells: Found in bone marrow, these can differentiate into bone, muscle, and connective tissue.2
  • Satellite cells: Found in skeletal muscle, these assist in muscle fiber regeneration.1
• Induced pluripotent stem (iPS) cells: These are adult somatic cells (such as skin or liver cells) reprogrammed to a pluripotent state. They are highly valuable because they can be patient-specific, reducing the risk of immune rejection.13
• Dedifferentiated cells: Mature cells, such as cardiac cells, can be stimulated to revert to a stem-cell-like state for therapeutic use.3