In the FIRST POST of this two part series, I laid out some facts about Type 2 diabetes which results from insulin resistance, and indicated how non-esterified (‘Free’) Fatty Acids (FFAs) induce chronic inflammation via engagement of TLR4 and the NF-κB pathway, eventually leading to Insulin resistance – and yet, since FFA doesn’t bind TLR4, it’s not known how the twain meets. The elegant set of studies described in the Pal at al. paper in the July 29, 2012 issue of Nature Medicine [1] provides evidence for a mechanism hypothesized to be active in lipid-induced insulin resistance, i.e., one that can connect the dots.
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