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Changing stem cell structure can tackle obesity
Tuesday February 17, 2015 5:12 PM, IANS

Slight regulation in the length of primary cilia -- small hair-like projections found on most cells -- can prevent the production of fat cells from human stem cells taken from an adult bone marrow, reveals new research.

The finding is path breaking as it may be used in future to treat a growing range of conditions including obesity, cancer, inflammation and arthritis, say researchers.

"This is the first time that it has been shown that subtle changes in primary cilia structure can influence the differentiation of stem cell into fat.

"Since primary cilia length can be influenced by various factors including pharmaceuticals, inflammation and even mechanical forces, this study provides new insight into the regulation of fat cell formation and obesity," said co-author Melis Dalbay of Queen Mary University of London (QMUL).

Part of the process by which calories are turned into fat involves Adipogenesis, the differentiation of stem cells into fat cells.

The researchers showed that during this process of Adipogenesis, the length of primary cilia increases associated with movement of specific proteins onto the cilia.

Furthermore, by genetically restricting this cilia elongation in stem cells the researchers were able to stop the formation of new fat cells.

Recent research has found that many conditions including kidney disease, blindness, problems with bones and obesity can be caused by defects in primary cilia.

"This research points towards a new type of treatment known as 'cilia-therapy' where manipulation of primary cilia may be used in future to treat a growing range of conditions including obesity, cancer, inflammation and arthritis," said lead author prof Martin

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