Cell Fusion and Regenerative Therapies

Here is an interesting view of the mechanics of aging and regeneration in stem cells: "Harnessing cellular fusion as a potential tool for regenerative therapy has been under tentative investigation for decades. A look back the history of fusion experiments in gerontology reveals that [some] have demonstrated that fusion can be used as a tool to revoke cellular senescence and induce tissue regeneration. Recent findings about the role of fusion processes in tissue homeostasis, replenishment, and repair link insights from fusion studies of previous decades with modern developments in stem cell biology and regenerative medicine. We suggest that age-associated loss of regenerative capacity is associated with a decline of effectiveness in stem cell fusion. We project how studies into the fusion of stem cells with tissue cells, or the fusion between activator stem cells and patient cells might help in the development of applications that 'rejuvenate' certain target cells, thereby strategically reinstating a regeneration cascade."

Link: http://www.ncbi.nlm.nih.gov/pubmed/18072882

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