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Wnt3a Molecule Signal Regulates Geometry of Dividing Stem Cells

For organisms to develop and grow, asymmetry is essential. New research from Howard Hughes Medical Institute scientists reveals how a localized source of a...

New path for colon cancer drug discovery

An old pinworm medicine is a new lead in the search for compounds that block a signaling pathway implicated in colon cancer. The findings, reported by Vanderbilt University Medical Center researchers in the November issue of Nature Chemical Biol...

Scientists show Six3 gene essential for retinal development

New research led by St. Jude Children's Research Hospital investigators adds to evidence that the Six3 gene functions like a doorman in the developing brain and visual system, safeguarding the future retina by keeping the region where the eye is for...

Researchers Identify Signals that Cause Hair Follicles to Sprout

The delicate interplay of two chemical signals coaxes stem cells into becoming hair follicles, according to new research by scientists at the Howard Hughes Medical Institute at The Rockefeller University. The research has implications for understanding hair growth and hair-follicle development, and it may also help explain how diverse structures, such as teeth and lungs, are formed or how some forms of skin cancer develop.

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