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2003 DEC 10 - (NewsRx.com & NewsRx.net) -- Targeting of G protein coupled receptors may allow management of inflammation in vivo using synthetic and natural ligands.
"Cyclic AMP elevating Gs protein coupled receptors were considered for a long time to be immunosuppressive. One of these receptors, adenosine A[subscript]2A receptor, was implicated in a physiological mechanism that down regulates inflammation and protects tissues from excessive immune mediated damage. Targeting of these receptors by selective agonists may lead to better protocols of anti-inflammatory treatments," scientists in the United States report.
"At the same time inhibiting the Gs protein coupled mediated signaling with antagonists could be explored in studies of approaches to enhance inflammation and tissue damage," stated J. F. Kinsel and M. V. Sitkovsky at the National Institute of Allergy and Infectious Diseases. "Enhancement of targeted tissue damage is highly desirable when it is cancerous tissue, while enhancement of inflammatory events ...