The function of stem cells and their future roles in healthcare.

Adult stem cells from bone marrow have been used in the treatment of cancer for many years. Recently, however, interest has developed in the isolation and growth of adult, cord and embryonic stem cells for use in regenerative medicine. Their therapeutic use will undoubtedly be implemented in nursing practice in a variety of clinical areas. This article is a brief introduction to stem cells and addresses the biology of these cells and their potential clinical applications, looking at three possible diseases as examples: myocardial infarction, type 1 diabetes and osteoarthritis.