Abstract
Leukotriene B4 receptor 1 (BLT1), a high-affinity G protein-coupled receptor (GPCR) for leukotriene B4 (LTB4), plays important roles in inflammatory and immune reactions. Although the LTB4–BLT1 axis is known to promote inflammation, the binding proteins that modulate LTB4–BLT1 signaling have not been identified. Recently, we discovered that receptor for advanced glycation end products (RAGE) interacts with BLT1 and modulates LTB4–BLT1 signaling. We propose RAGE as a new class of GPCR modulator and a new target of future GPCR studies.
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