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. 2019 Jul 19;4:53. doi: 10.21037/tgh.2019.06.06

Table 2. Actions of peroxisome proliferator-activated receptors (PPAR).

PPAR Distribution Actions
PPAR-α Liver, kidney, heart, skeletal muscle, adipose tissue Liver: increase fatty acid oxidation, reduce triglycerides, increase high-density lipoprotein and reduce small dense low-density lipoprotein
Muscle: increase fatty acid oxidation
Blood vessels: reduce inflammation, increase reverse cholesterol transport
PPAR-γ γ1: extensive distribution; γ2: adipose tissue; γ3: adipose tissue, colon, macrophages Liver: increase fatty acid storage
Muscle: increase glucose uptake
Adipose tissue: increase adiponectin, reduce tumor necrosis factor-alpha and resistin, expand adipose tissue mass and fatty acid storage
Blood vessels: reduce inflammation, increase reverse cholesterol transport
PPAR-β/δ Extensive distribution but particularly in the brain, adipose tissue and skin Adipose tissue: increase fatty acid oxidation and reduce body weight
Muscle: increase fatty acid oxidation
Blood vessels: reduce inflammation