Stem
cells have potential in many different areas of health and medical research. To
start with, studying stem cells will help us to understand how they transform
into the dazzling array of specialized cells that make us what we are. Some of
the most serious medical conditions, such as cancer and birth defects, are due
to problems that occur somewhere in this process. A better understanding of
normal cell development will allow us to understand and perhaps correct the
errors that cause these medical conditions.
Another
potential application of stem cells is making cells and tissues for medical
therapies. Today, donated organs and tissues are often used to replace those
that are diseased or destroyed. Unfortunately, the number of people needing a
transplant far exceeds the number of organs available for transplantation.
Pluripotent stem cells offer the possibility of a renewable source of
replacement cells and tissues to treat a myriad of diseases, conditions, and
disabilities including Parkinson's disease, amyotrophic lateral sclerosis,
spinal cord injury, burns, heart disease, diabetes, and arthritis.
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