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Título: | Human axillary apocrine glands: proteins involved in the apocrine secretory mechanism |
Fecha de publicación: | 2011 |
Editorial: | Murcia: F. Hernández |
ISSN: | 1699-5848 0213-3911 |
Materias relacionadas: | 616 - Patología. Medicina clínica. Oncología |
Palabras clave: | Axillary apocrine gland |
Resumen: | The apocrine secretory mechanism is a mode of secretion by which the apical part of the cell cytoplasm is pinched off, which leads to the formation of an aposome. The distinct mechanism of formation and decapitation of the aposome is not well investigated. Only few proteins are known that are involved in this secretory mechanism. We studied the human axillary apocrine gland and looked at proteins associated with cytokinesis, a process that is comparable to the pinchingoff mechanism of apocrine glandular cells. By immunohistochemistry, we detected actin, myosin II, cytokeratin 7 and 19, α- and ß-tubulin, anillin, cofilin, syntaxin 2, vamp8/endobrevin and septin 2. In highly active glandular cells, these proteins are located at the base of the apical protrusion when the aposome is in the process of being released or are concentrated in the cap of the apical protrusion. These findings demonstrate new insights on apocrine secretory mechanisms and point to similarites to the terminal step of cytokinesis, which is regulated by a SNARE-mediated membrane fusion event. |
Autor/es principal/es: | Stoeckelhuber, Mechthild Schubert, Christoph Kesting, Marco R. Loeffelbein, Denys J. Nieberler, Markus Koehler, Claudia Welsch, Ulrich |
Forma parte de: | Histology and histopathology, Vol. 26, nº 2 (2011) |
URI: | http://hdl.handle.net/10201/47800 |
Tipo de documento: | info:eu-repo/semantics/article |
Número páginas / Extensión: | 8 |
Derechos: | info:eu-repo/semantics/openAccess |
Aparece en las colecciones: | Vol.26, nº2 (2011) |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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Stoeckelhuber-26-177-184-2011.pdf | 1,38 MB | Adobe PDF | Visualizar/Abrir |
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