Journal
CURRENT OPINION IN GENETICS & DEVELOPMENT
Volume 12, Issue 5, Pages 572-582Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/S0959-437X(02)00342-8
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The organisation of the animal body into distinct tissues requires adhesive mechanisms that promote and maintain the physical segregation, the sorting, of different cell populations. Signals that control differential cell affinities across tissue boundaries have been identified, including Hedgehog, Notch, and EGF receptor signalling. Further, several examples demonstrate that cell sorting in vivo can be driven by Eph/ephrin signalling and by the differential expression of cadherins that modulate cell adhesion and motility.
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