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Latest Jon Oatley Stories

2010-06-26 04:11:17

A mechanism that regulates stem-cell differentiation in mice testes suggests a similar process that may trigger degenerative disease in humans, according to a Penn State College of Agricultural Sciences reproductive physiologist. Research involved manipulating a protein called STAT3 that signals stem cells to decide whether to differentiate into a specialized type of cell or self-renew and remain stem cells. By manipulating STAT3, researchers identified a key regulator of spermatogonial stem...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.