Fig. 4. Effects of Met supplementation on the mRNA levels of casein and AATs in MAC-T cells under hyperthermia (42°C, 6 h).

The mean values of mRNA levels in the CON were set to 1.00. Data with superscript letters are significantly different from each other (p < 0.05). Data are mean ± SEM, n = 6. CON = normal amino acid profile (60 μg/mL of Met in medium); MET70 = normal amino acid profile plus 10 μg/mL Met (70 μg/mL of Met in medium); MET80 = normal amino acid profile plus 20 μg/mL Met (80 μg/mL of Met in medium); MET90 = normal amino acid profile plus 30 μg/mL Met (90 μg/mL of Met in medium). Met, methionine; CSN1S1, αS1-casein; CSN2, β-casein; CSN3, κ-casein; SLC7A5, solute carrier family 7 member 5; SLC34A2, solute carrier family 34 member 2; SLC38A2, solute carrier family 38 member 2; SLC38A3, solute carrier family 38 member 3; SLC38A9, solute carrier family 38 member 9; AATs, amino acid transporters; MAC-T, mammary alveolar cells-large T antigen.