Impaired cell division leads to neuronal disorder

Impaired cell division leads to neuronal disorder

Researchers have discovered an amino acid signal essential for error-free cell division. This signal regulates the number of centrosomes in the cell, and its absence results in the development of pathologically altered cells. Remarkably, such altered cells are found in people with a neurodevelopmental disorder, called autosomal recessive primary microcephaly.

via Top Health News — ScienceDaily:

Prof. Erich Nigg and his research group at the Biozentrum of the University of Basel have discovered an amino acid signal essential for error-free cell division. This signal regulates the number of centrosomes in the cell, and its absence results in the development of pathologically altered cells. Remarkably, such altered cells are found in people with a neurodevelopmental disorder, called autosomal recessive primary microcephaly. The results of these investigations have been published in the current issue of the US journal Current Biology.Normal separation of chromosomes (blue) with two centrosomes (red) in a bipolar spindel apparatus (green). Flawed separation of chromosomes (blue) with several centrosomes (red) in a multipolar spindel apparatus (green).Cell division is the basis of all life. Of central importance is the error-free segregation of genetic material, the chromosomes. A flawless division process is a prerequisite for the development of healthy, new cells, whilst errors in cell division can cause illnesses such as cancer. The centrosome, a tiny cell organelle, plays a decisive role in this process.Prof. Erich Nigg’s research group at the Biozentrum of the University of Basel has investigated an important step in cell division: the duplication of the centrosome and its role in the correct segregation of the chromosomes into two daughter cells. …

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Top Health News — ScienceDaily

Impaired cell division leads to neuronal disorder

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