It has been known for over ten years that low level inflammation, as detected by C-reactive protein levels in the blood, was associated with obesity and diabetes. Yet, the origin of this inflammation was never completely clear.
In the last five years, an increasing number of studies have shown that obesity is associated with the migration of macrophages into adipose (fat) tissues. These macrophages secrete immune hormones, such as TNF, IL-6, which promote both the development of pre-adiposites into mature adipose cells, and induce insulin resistance.
The following three research articles can be read online. The first artlcle is a nice review of this topic with some great color diagrams.
What does insulin resistance and macrophage mediated inflammation have to do with obesity? And can this insulin resistance and inflammation be reversed by anti-inflammatory agents? These are important questions that will be addressed in the next series of essays.
Stay tuned...
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