Figure 1.

FFAR2-FFAR3 heteromer is expressed in human monocytes and macrophages. In situ PLA of human paraffin-embedded tissue sections of peripheral blood monocytes, macrophages, and colon epithelial cells. Red and brown spots indicate positive PLA signals when anti-FFAR2 and anti-FFAR3 PLA probe pairs are in proximity. Samples probed without one of the primary antibodies act as negative controls. All samples were probed in parallel. Data shown are representative of 3 independent experiments.