Still Life
University Park Airport Emergency Response Exercise
Commencement across Penn State: Spring 2012
Spring commencement 2012 under way
Penn State, Moroccan students problem-solve together
Finals Week Spring Semester 2012
Painting the Lines at Beaver Stadium
Did They Get It Right? - RedTails
Iconic Penn State elm taken down over spring break 2012
We ... are Penn State (December 19, 2011)
Disease stricken matching elm tree slated for removal
Penn State's creamery, from the cow to the cone
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, which is active in tissues throughout the body and is essential for life, that signals stem cells to decide whether to differentiate into a specialized type of cell or self-renew and remain stem cells. (more)
A researcher in Penn State's College of Agricultural Sciences, collaborating with researchers at the University of Pennsylvania's School of Veterinary Medicine, has identified for the first time a critical growth factor that stimulates the stem cells that produce sperm to thrive and renew themselves. (more)
