Researchers at Genoa university
have identified a rare 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 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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