LONDON – Scientists have discovered a new source for the generation of nerve cells in the brain.

Professor Magdalena Gotz of Helmholtz Zentrum Munchen and Ludwig-Maximilians-Universitat (LMU) Munich and colleagues have discovered progenitor cells, which can form new glutamatergic neurons following injury to the cerebral cortex.

Particularly in Alzheimer’s disease, nerve cell degeneration plays a crucial role. In the future, new therapeutic options may possibly be derived from steering the generation and/or migration mechanism, according to the researchers.

Until only a few years ago, neurogenesis – the process of nerve cell development – was considered to be impossible in the adult brain.

Then researchers discovered regions in the forebrain in humans in which new nerve cells can be generated throughout life. These so-called GABAergic cells use gamma-aminobutyric acid (GABA), a neurotransmitter of the central nervous system.

Now, the research team, led by Gotz, has taken a closer look at this brain region in the mouse model. They found that even in the forebrain, there are other nerve cells that are regularly generated – the so-called glutamatergic nerve cells, which use glutamate as neurotransmitter.

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