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New research findings on the brain's guardian cells

Date:
April 24, 2013
Source:
Lund University
Summary:
Researchers have now succeeded in identifying a deviation in the structure of the microglia cells, which makes it possible to visualise them and study their behaviour. By inserting a luminescent protein controlled by a microscopic molecule, microRNA-9, the researchers can now distinguish the microglia and monitor their function over time in the brains of rats and mice.

Researchers have now succeeded in identifying a deviation in the structure of the microglia cells, which makes it possible to visualise them and study their behaviour. By inserting a luminescent protein controlled by a microscopic molecule, microRNA-9, the researchers can now distinguish the microglia and monitor their function over time in the brains of rats and mice.

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"At present, researchers know very little about exactly how microglia work. At the same time, there is a lot of curiosity and high hopes among brain researchers that greater understanding of microglia could lead to entirely new drug development strategies for various brain diseases," says Johan Jakobsson, research group leader at the Division of Molecular Neurogenetics at Lund University.

It has long been known that microglia form the first line of defence of the immune system in diseases of the brain. They move quickly to the affected area and release an arsenal of molecules that protect the nerve cells and clear away damaged tissue.

New research also suggests that microglia not only guard the nerve cells but also play an important role in their basic function.

"This represents a real step forward in technological development. Now we can view microglia in a way that has not been possible before. We and our colleagues now hope to be able to use this technique to study the role of the cells in different disease models, for example Parkinson's disease and stroke, in which microglia are believed to play an important role," explains Johan Jakobsson.

Researcher Johan Jakobsson and his colleagues have now published their results in Nature Communications.


Story Source:

The above story is based on materials provided by Lund University. Note: Materials may be edited for content and length.


Journal Reference:

  1. Malin Åkerblom, Rohit Sachdeva, Luis Quintino, Erika Elgstrand Wettergren, Katie Z. Chapman, Giuseppe Manfre, Olle Lindvall, Cecilia Lundberg, Johan Jakobsson. Visualization and genetic modification of resident brain microglia using lentiviral vectors regulated by microRNA-9. Nature Communications, 2013; 4: 1770 DOI: 10.1038/ncomms2801

Cite This Page:

Lund University. "New research findings on the brain's guardian cells." ScienceDaily. ScienceDaily, 24 April 2013. <www.sciencedaily.com/releases/2013/04/130424081055.htm>.
Lund University. (2013, April 24). New research findings on the brain's guardian cells. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2013/04/130424081055.htm
Lund University. "New research findings on the brain's guardian cells." ScienceDaily. www.sciencedaily.com/releases/2013/04/130424081055.htm (accessed October 25, 2014).

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