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Can plant research lead to new insights in cancer research?

Ghent - The development of cancer is a complex process with a number of different causes. The root problem is loss of control in the cell division process. A fundamental biological process, cell division can be studied in many organisms. Researchers from the Flanders Interuniversity Institute for Biotechnology (VIB) connected with Ghent University are studying cell division in plants and thereby uncovering general principles. They are now revealing the importance of the DEL1 protein in the control of cell division in the Arabidopsis plant. The scientists suspect that the human variant of this protein, E2F7, performs the same essential function in human cells. Their research is bringing to light a potentially new class of genes that can suppress the growth of tumors.

Loss of control...

Our body is constructed of cells that contain the hereditary material (DNA) distributed among chromosomes - 46 in human cells. Under normal circumstances, our body's cells divide continuously in a very controlled manner: every cell division is preceded by a doubling of the DNA, so that, after division, two cells are formed, each containing 46 chromosomes. But sometimes this process goes wrong, giving rise to cells with an incorrect number of chromosomes. Such an occurrence can undermine the precise control system governing cell division, so that the cell begins to divide without restraint, turning into a cancer cell.

New insights from an unexpected quarter

In a small plant like Arabidopsis (or the mouse ear cress), processes such as DNA doubling and cell division are also subject to a complex control system. The VIB research group, under the direction of Lieven De Veylder and Dirk Inz, is studying cell division in Arabidopsis during the plant's development and, in particular, the function of the DEL1 protein in the cell division process. For this study, they modified plants genetically so that they no longer produced DEL1. The researchers saw t
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Contact: Sooike Stoops
sooike.stoops@vib.be
32-924-466-11
VIB, Flanders Interuniversity Institute of Biotechnology
10-Jan-2005


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