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. Author manuscript; available in PMC: 2014 Jul 19.
Published in final edited form as: Life Sci. 2013 May 30;93(1):1–6. doi: 10.1016/j.lfs.2013.05.016

Figure 1.

Figure 1

A model describing the regulation of eNOS-TLR4-NFκB signaling by caveolin-1. Caveolin-1 is a critical negative regulator of eNOS via direct interaction. Caveolin-1 deficiency leads to eNOS translocation and activation, resulting in IRAK4 nitration. IRAK4 nitration inhibits TLR4 signaling in response to LPS challenge. Impaired TLR4 signaling results in dampening of the inflammatory response through decreased NFκB activation.