منابع مشابه
The planar polarity pathway
to the brain and receive high-order commands and inputs from it. That is, much of the planning, computation and execution of stereotypic arm movements are conducted within the arm neural system itself. Accordingly, natural-looking arm extension movements can be generated in amputated arms. This organization may be an optimal solution for the motor control of highly redundant flexible appendages...
متن کاملPlanar cell polarity in Drosophila.
In all multicellular organisms, epithelial cells are not only polarized along the apical-basal axis, but also within the epithelial plane, giving cells a sense of direction. Planar cell polarity (PCP) signaling regulates establishment of polarity within the plane of an epithelium. The outcomes of PCP signaling are diverse and include the determination of cell fates, the generation of asymmetric...
متن کاملPlanar cell polarity: fashioning solutions.
Scientists like to consider themselves as especially objective, but, however hard we try we cannot be very different from everyone else. Like them we helplessly absorb our knowledge, our perspectives, our valuation of whether something is exciting or boring from those around us. In this "extra view" I reflect on fashion, illustrating by a small discovery of ours, and discussing why it was not m...
متن کاملPlanar Polarity and Tissue Morphogenesis
Planar polarity is a global, tissue-level phenomenon that coordinates cell behavior in a two-dimensional plane. The Frizzled/planar cell polarity (PCP) and anterior-posterior (AP) patterning systems for planar polarity operate in a variety of cell types and provide direction to cells with different morphologies and behaviors. These two systems involve different sets of proteins but both use dir...
متن کاملPlanar Polarity: Location, Location, Location
Recent studies have shown that many proteins that regulate planar polarity in the fly eye are organized into discrete membrane sites which may be crucial for coordinating groups of cells.
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ژورنال
عنوان ژورنال: Organogenesis
سال: 2011
ISSN: 1547-6278,1555-8592
DOI: 10.4161/org.7.3.18462