Selisistat

The reagents included carbon tetrachloride (Sigma‐Aldrich, 56‐23‐5), 30% H₂O₂ (Hydrogen peroxide 30%, Sigma‐Aldrich, 1.07298), selisistat (EX‐527, MedChemExpress, 49843‐98‐3), resveratrol (SRT501, MedChemExpress, 501‐36‐0), DAPI (Sigma‐Aldrich, D9542), Alexa Fluor™ 647 Phalloidin (Thermo, A22287), protease cocktails inhibitor (Beyotime, P1005) and PMSF (Phenylmethanesulphonyl fluoride, Beyotime, ST506).
The primary antibodies included anti‐α‐SMA (Boster, BM0002), anti‐vWF (Santa Cruz, SC‐365712), anti‐CD32b (ZEN‐bioscience, 382560), anti‐CD31 (PECAM‐1, Santa Cruz, sc‐18916), anti‐CD31 (Abcam, ab33858), anti‐NOX2 (Proteintech, 19013‐1‐AP), anti‐NOX4 (Proteintech, 14347‐1‐AP), anti‐Lamin A/C (Cell Signaling Technology, 4777S), anti‐Lamin B1 (Proteintech, 66095‐1‐Ig), anti‐progerin (Santa Cruz, sc‐81611), anti‐p53 (Abcam, ab131442), anti‐p53 (acetyl K381; Abcam, ab61241), anti‐SIRT1 (Abcam, ab110304), anti‐Histone H3 (Proteintech, 17168‐1‐AP) and anti‐GAPDH (Proteintech, 60004‐1). HRP‐conjugated Affinipure Goat Anti‐Mouse IgG (H + L; Proteintech, SA00001‐1), HRP‐conjugated Affinipure Goat Anti‐Rabbit IgG (H + L; Proteintech, SA00001‐2), FITC‐labelled goat anti‐rabbit IgG (H + L; Beyotime, a0562) and Cy3‐labelled goat anti‐mouse IgG (H + L; Beyotime, a0521) were used for secondary antibodies.

The treatment group was given berberine (50 mg/kg, Med Chem Express, USA), intragastric administration once a day for 30 days. In addition to berberine, SIRT1 inhibition group was also given selisistat (20 mg/kg, Med Chem Express, USA) and was administered by intrabitoneal injection once every 3 days for 30 days. In addition to berberine, the mitochondria autophagy inhibition group was additionally given U0126-EtOH (10 mg/kg, Med Chem Express, USA) by intrabitoneal injection once every 3 days for 30 days. The mice were sacrificed to collect blood, gastrocnemius muscle, subcutaneous fat, visceral fat, and brown fat for subsequent use.