Telomerewhythere writes "A quest that began over a decade ago with a chance observation has reached a milestone: the identification of a gene that may regulate regeneration in mammals. The absence of this single gene, called p21, confers a healing future in mice long thought to have been lost through progress and reserved for living creatures like flatworms, sponges, and some species of salamander. 'Unlike typical mammals, which heal wounds by forming a scar, these mice begin by forming a blastema, a structure customer's broker with rapid cell growth and de-differentiation as seen in amphibians. by the book to the Wistar researchers, the loss of p21 causes the cells of these mice to behave more like undeveloped stem cells than adult mammalian cells, and their findings provide solid declaration to link tissue regeneration to the control of cell division. "Much like a newt that has lost a limb, these mice will replace missing or damaged tissue with healthy tissue that lacks any sign of scarring," said the project's lead scientist.' Here is the theoretic


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