P19 cells overexpressing Lhx1 differentiate into the definitive endoderm by recapitulating an embryonic developmental pathway. MiR-19b regulates hTERT mRNA expression through targeting PITX1 mRNA in melanoma cells. VEGF secretion by adipose tissue-derived regenerative cells is impaired under hyperglycemic conditions via glucose transporter activation and ROS increase.

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JavaScript is disabled for your browser. Some features of this site may not work without it. A Computational Exploration of Gaussian and Eisenstein Moats. If one imagines the Gaussian primes to be lily pads in the pond of complex numbers, could a frog hop from the origin to infinity with jumps of bounded size? If the frog was confined to the real number line, the answer is .

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