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Muscular Dystrophy, Fibrosis Treatment Using 'Jekyll and Hyde' Cell

by Rajshri on  January 20, 2010 at 7:17 PM Research News   - G J E 4
 Muscular Dystrophy, Fibrosis Treatment Using 'Jekyll and Hyde' Cell
New potential targets for the treatment of muscle diseases such as muscular dystrophy and fibrosis have been identified by researchers at the University of British Columbia.
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Study's lead author Fabio Rossi and colleagues have identified fat-producing cells that possess 'dual-personalities'.

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They have found a new type of fibro/adipogenic progenitors, or FAPs, that generate fatty fibrous tissues when transplanted into damaged muscles in mice.

Progenitors are similar to stem cells in their capacity to differentiate, but are limited in the number of times they can divide.

"These cells are typically dormant in muscle tissues. Once activated by damage, they produce signals that coordinate tissue regeneration and then disappear. That's the Dr. Jekyll side of FAPs," Rossi said.

"In chronic muscle diseases such as muscular dystrophy, however, FAPs persist and may be contributing to over-production of scar tissues, resulting in fibrosis. That's the Mr. Hyde side," Rossi added.

The researchers said that better understanding of the role of FAPs could help encourage their healthy function or repress their negative impact.

In the long term, drugs targeting these cells may be useful in a range of diseases characterized by fibrosis ranging from cardiovascular to lung and kidney disease, to organ transplantation. In addition, the cells' ability to generate new fat tissue could be exploited to target metabolic disease.

The findings are published in the current issue of Nature Cell Biology.

Source: ANI
RAS
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