Stem cells exist in the bone marrow of human beings and animals and are capable of changing their nature to become part of many different organs and tissues. In response to injury, these cells move from the bone marrow to the injured sites, where they differentiate into cells that assist in the healing process. The movement, or mobilization, of stem cells can be triggered by a variety of stimuli – including pharmaceutical agents and hyperbaric oxygen treatments. Where as drugs are associated with a host of side effects, hyperbaric oxygen treatments carry a significantly lower risk of such effects.
“This is the safest way clinically to increase stem cell circulation, far safer than any of the pharmaceutical options,” said Stephen Thom, MD, Ph.D., Professor of Emergency Medicine at the University of Pennsylvania School of Medicine and lead author of the study. “This study provides information on the fundamental mechanisms for hyperbaric oxygen and offers a new theoretical therapeutic option for mobilizing stem cells.”
“We reproduced the observations from humans in animals in order to identify the mechanism for the hyperbaric oxygen effect,” added Thom. “We found that hyperbaric oxygen mobilizes stem/progenitor cells because it increases synthesis of a molecule called nitric oxide in the bone marrow. This synthesis is thought to trigger enzymes that mediate stem/progenitor cell release.”
Hopefully, future study of hyperbaric oxygen’s role in mobilizing stem cells will provide a wide array of treatments for combating injury and disease.
SOURCE: University of Pennsylvania School of Medicine
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