TCAV-1, a monoclonal antibody specific to epithelial pharyngeal cells in the planarian Dugesia (Girardia) tigrina. Application to pattern formation of the pharynx during regeneration |
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Authors: | David Bueno Eduard Batlle Marc Aureli Soriano Lluis Espinosa Jaume Baguñá Rafael Romero |
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Institution: | (1) Departament de Genètica, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08071 Barcelona, Catalonia, Spain |
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Abstract: | During regeneration in planarians, anterior (head and prepharyngeal) and posterior (postpharyngeal and tail) fragments rebuild one of the most peculiar structures of planarians: the pharynx and the pharynx cavity. Previous studies (see Brønsted, 1969, for a general review, and Asai, 1990, 1991, for anterior regeneration) have shown that within postpharyngeal pieces both structures appear in the old stump from clusters of undifferentiated cells. However, the lineage and differentiation of their elements (inner and outer epithelial cells, muscle layers, gland cells, nerve rings) and the overall pattern of growth and differentiation is not clear. |
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Keywords: | Monoclonal antibodies regeneration immunohistochemistry pharyngeal epithelial cells differentiation Dugesia (G ) tigrina |
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