Samples were centrifuged at
7000 rpm for 1 h at 4 °C. Acetone was removed and the pellet dried
down in a nitrogen stream and stored at −80 °C. Protein quantification
of the aliquot was determined using the BCA quantification kit
(Thermo Fisher Scientific 23225) as directed. Lipid droplet protein
fractions were pooled for at least 50 μg protein per sample