作者: B.C. Powell , E.A. Passmore , A. Nesci , S.M. Dunn
DOI: 10.1016/S0925-4773(98)00177-4
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摘要: The Notch signalling pathway is an important mediator of cell fate selection whose involvement in epidermal appendage formation now becoming recognised. Hair follicle development and hair involve the co-ordinated differentiation several different types which appears to have a role. We report intricate expression patterns for Notch-1 receptor three ligands, Delta-1, Jagged-1 Jagged-2 follicle. expressed ectodermal-derived cells follicle, inner embryonic placode bulb, suprabasal mature outer root sheath. Delta-1 only during exclusive mesenchymal pre-papilla located beneath placode. Expression or overlaps at all stages. In follicles, are complementary bulb sheath, predominantly basal cells. localised (basal) next dermal papilla do not express Notch-1, whereas upper correlates with into shaft cortical cuticle keratinocytes.