Journal
MECHANISMS OF DEVELOPMENT
Volume 106, Issue 1-2, Pages 143-145Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0925-4773(01)00414-2
Keywords
taste bud; tongue; taste nerve; Sonic hedgehog; patched1; adult mouse
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In mammals, taste receptor cells are organized into taste buds on tongue. Taste buds are trophically maintained by taste neurons and under continuous renewal, even in adults. We found that the receptor for Sonic hedgehog (Shh), Patched1 (Ptc), was expressed around taste buds where cells were proliferating, and that Shh was expressed within basal cells of taste buds. Denervation caused the loss of Shh and Ptc expression before the degeneration of taste buds. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
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