Each real-time qPCR reaction consisted of 2 μL of cDNA, 10 μL of 2× master mix, and 1 μL of 10 μM primer mixture (forward and reverse) of the target genes PPARγ, C/EBPα, or glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and 7.0 μL of nuclease free water for a 20-μL reaction volume.