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A study upon the influence of cyclophosphamide treatment on the red blood cells of the chicken embryo (Short Notes)

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Author(s): Delia Anca HAS-LAZAU

Journal: Analele Universitatii din Oradea, Fascicula Biologie
ISSN 1224-5119

Volume: TOM XIII;
Start page: 54;
Date: 2006;
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Keywords: cyclophosphamide | cytostatics | red blood cells | hematopoiesis | vitelline sack level

ABSTRACT
The aim of this study is to show the effect of cyclophosphamide on the eveloping red blood cells of the 3-4 days old chicken embryo, when the hematopoiesis is at its peack, located at the vitelline sack level.I have chosen to work with the chicken embryo red blood cells because they have an intense mitotic activity as well as a tumoural cell-like behaviour.It is vital to know the particularities of the cell cycle of the healthy and tumoural cells, keeping in mind that most of the cytostatics act upon the cell which are developing their cell cycle (Menkes B., Prelipceanu O., Checiu I., Căpălnăşan I. 1979).The cyclophosphamide is not stage-dependent, as it acts in all the stages of the cell cycle, its mutagen effect being accompanied also by a cell cycle stopping (Paşca C., Crăciun C., Ardelean A. 2000).Cyclophosphamide supply determines retrenchment of the cell division, transforming the normal cells into multinucleated cells, with normal ploydia. The cyclophosphamide is a cytostatic using for cancer therapy (Schiavoni G., Mattei F., Di Pucchio T., Santini S. M., Bracci L., Berardelli F., Proietti F. 2000).Reshearches have done lots of studies along the years both on mice and rats, concerning the effects of cyclophosphamide on: thymus and burse fabricio ( Giurgea R., Toma V., 1977), stromal cells of bone marrow (Anton E. 1997), pulmonary thrombocytopoiesis (Sulkowki S., Sulkowska M., Musiatowikz B. 1997).
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