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Verlust der Zelldifferenzierung/en: Unterschied zwischen den Versionen

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Die Fähigkeit einer Stammzelle eines Zellverbandes, sich zu einer differenzierten Zelle zu entwickeln, gehört zu den ganz normalen Entwicklungsvorgängen. Tumorzellen haben diese Möglichkeit ganz oder teilweise verloren. Tumorzellen, die noch einen Großteil der Charakteristika einer differenzierten, normalen Zelle aufweisen, nennen wir gut differenziert. Fehlen solche Charakteristika, nennen wir die Tumorzelle undifferenziert oder entdifferenziert. Je undifferenzierter eine Tumorzelle, desto bösartiger ist ihr Verhalten.
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The ability of a stem cell of a cell group to develop into a differentiated cell is part of normal developmental processes. Tumor cells have completely or partially lost this possibility. We call tumour cells that still exhibit a large part of the characteristics of a differentiated, normal cell well differentiated. If such characteristics are missing, we call the tumor cell undifferentiated or de-differentiated. The more undifferentiated a tumor cell, the more malignant its behavior.

Aktuelle Version vom 16. April 2019, 22:34 Uhr

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The ability of a stem cell of a cell group to develop into a differentiated cell is part of normal developmental processes. Tumor cells have completely or partially lost this possibility. We call tumour cells that still exhibit a large part of the characteristics of a differentiated, normal cell well differentiated. If such characteristics are missing, we call the tumor cell undifferentiated or de-differentiated. The more undifferentiated a tumor cell, the more malignant its behavior.