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Microbial Reprogramming Inhibits Western Diet-Associated Obesity

Figure 3

Mice exhibit an Interleukin 10-dependent Treg cell-mediated gut microbiota-immunity-obesity axis.

Genetically-inbred C57BL/6 strain mice similarly benefit from probiotic protection against Western diet-associated obesity and fat pathology, including CLS and focal pyogranulomatous inflammation as shown here in males at 5 months of age (a). Interleukin (Il) 10-deficient C57BL/6 male mice eating Westernized chow failed to benefit from oral L. reuteri supplementation. Mice from both experimental groups were obese and had increased CLS that were often seen coalescing to form focally diffuse areas of adipocyte necrosis (b). Fat histology: Hematoxylin and eosin. Bars = 250 µm (a) and 100 µm (b).

Figure 3