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An emerging pattern
Email: Kenneth Lee - kenlee_fr@yahoo.fr News from The Scientist 2001, 2(1):20010322-03
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During development, organizing centres at key locations in the embryo secrete morphogens that become distributed in a concentration gradient. It is thought that cells along the gradient adopt different fates depending on the concentration of the morphogen they encounter. In the 22 March Nature, three studies shed light on the elaborate regulation of some potent morphogens — members of the bone morphogenetic protein (BMP) family.
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