(refiling to clarify cells are stem cells).
Researchers at Genoa university
have identified a rare stem-cell population present in the
peripheral blood of healthy mice that actively participates in
tissue repair according to a paper published in the online
journal Scientific Reports.
The stem cells, discovered by Claudia Lo Sicco and Roberta
Tasso of the department of experimental medicine at Genoa
university, were injected into mice with tail fractures and
subsequently migrated and engrafted in wounded tissues,
ultimately differentiating into tissue-specific cells.
"Until now there has been no evidence for the presence of
cells with a healing capacity circulating in healthy
conditions," the abstract said.
"These findings uncover the existence of constitutively
circulating cells that may represent novel, accessible, and
versatile effectors of therapeutic tissue regeneration," it
concluded.
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