Scientists design protein to block inflammation at TLR4 site
Researchers at Scripps Research engineered a synthetic protein that binds to Toll-like receptor 4 in cell membranes to stop inflammatory responses.
New tool targets difficult immune receptor
Scientists created a small synthetic protein capable of binding to the membrane-embedded region of Toll-like receptor 4. This receptor plays an essential role in protecting against infections but causes disorders like sepsis and arthritis when overactive. No FDA-approved drugs currently exist to specifically block this receptor.
Study reveals active signaling mechanism
The findings show that the membrane-spanning region of TLR4 acts as an active determinant of cross-membrane signaling rather than a passive anchor. This insight contradicts previous assumptions that only regions outside and inside the cell drive signaling. The study outlines new computational tools for researchers to target proteins within membranes.
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