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UCSD researchers discover internal compass of immune cell

e source of chemoattractants.

Lead authors Yu Chen, M.D., UCSD postgraduate researcher in surgery and Ross Corriden, UCSD graduate student in biomedical sciences, found that when ATP receptors were blocked, the cells became disoriented, while blocking A3 adenosine receptors slowed down the cell movement toward chemoattractants. The researchers also found that drugs which interfere with the amplification system impair cell migration to inflamed tissues.

"These findings are very important because they suggest that novel classes of anti-inflammatory drugs could be developed to prevent rheumatoid arthritis, inflammatory bowel diseases, asthma, and many other chronic inflammatory diseases," said Junger.

Conversely, drugs that boost these amplification systems and the internal compass could be used to coax neutrophils to migrate to infected wounds to improve wound healing.


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Source:University of California - San Diego


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