The interplay between morphogens and tissue growth |
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Authors: | Dekanty Andrés Milán Marco |
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Institution: | Institute for Research in Biomedicine (IRB Barcelona), 10-12, 08028, Barcelona, Spain. |
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Abstract: | Morphogens are conserved, secreted signalling molecules that regulate the size, shape and patterning of animal tissues and organs. Recent experimental evidence has emphasized the fundamental role of tissue growth in expanding the expression domains of morphogens and their target genes, in generating morphogen gradients and in modulating the response of cells to morphogens. Moreover, the classic view of how morphogens, particularly through their concentration gradient, regulate tissue size during development has been revisited recently. In this review, we discuss how morphogens and tissue growth affect each other, and we attempt to integrate genetic and molecular evidence from vertebrate and invertebrate model systems to put forward the idea that the interaction between growth and morphogens is a general feature of highly proliferative tissues. |
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Keywords: | morphogens growth limb development Drosophila vertebrate |
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