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The importance of unequal division in stem cells

. Stem cells must strike a balance between different types of divisional outcomes in order to provide the correct numbers and types of cells for the lifetime of an organism. At each cell division, a stem cell either makes two replicates of itself to expand the...

Right Turn: A tail is a tail. Or is it?

. Entire limb or organ regeneration is held out to be the holy grail of regenerative medicine. As an example, we look to certain reptiles such as salamanders, geckos and lizards, which have the incredible ability to regrow limbs or tails. Lots has been written on what...

How does the U.S. public rate the FDA’s performance?

. The U.S. Food and Drug Administration’s (FDA) ongoing efforts to assert its authority to regulate U.S.-based companies that offer unlicensed stem cell therapies (Regenerative Sciences or Celltex, for example) has prompted a mixed response from the regenerative...