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Stem-cell therapy uses stem cells to treat or prevent a disease or condition. [1] As of 2024, the only FDA-approved therapy using stem cells is hematopoietic stem cell transplantation. [2] [3] This usually takes the form of a bone marrow or peripheral blood stem cell transplantation, but the cells can also be derived from umbilical cord blood.
The use of human stem cells, particularly embryonic stem cells, is controversial. Opponents' objections generally are based on interpretations of religious teachings or ethical considerations. [ 75 ] Proponents of stem cell research point out that cells are routinely formed and destroyed in a variety of contexts.
Cell therapy – the practice of injecting cellular material from animals in an attempt to prevent or treat cancer. Although the use of human-to-human cell therapy has some established medical uses, the injection of animal material is, according to the American Cancer Society, not backed by any evidence of effectiveness, and "may in fact be ...
By using human embryonic stem cells to produce specialized cells like nerve cells or heart cells in the lab, scientists can gain access to adult human cells without taking tissue from patients. They can then study these specialized adult cells in detail to try to discern complications of diseases, or to study cell reactions to proposed new drugs.
Examples include the injection of stem cells or progenitor cells obtained through directed differentiation (cell therapies); the induction of regeneration by biologically active molecules administered alone or as a secretion by infused cells (immunomodulation therapy); and transplantation of in vitro grown organs and tissues (tissue engineering).
A woman has undergone a stem-cell therapy made from her own cells, to treat her type 1 diabetes. Researchers in China discovered the woman did not need to use insulin 75 days after the procedure ...
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