Anti mfn1

The primary antibodies used against the proteins were as follows: Anti-actin (1:1,000), obtained from PumeiBiotechnology (Pumei, China); anti-fibronectin (1:1,000), anti-collagen-I (1:1,000), anti-α-smooth muscle actin (α-SMA, 1:1000), anti-interleukin 6 (IL-6,1:1000), anti-PPARα (1:1000 for Western blot, 1:100 for immunohistochemical staining), anti-CPT1a (1:1,000), anti-Mfn1 ((1:1,000 for Western blot, 1:100 for immunohistochemical staining) and anti-Drp1, which were obtained from ProteintechGroup (Proteintech, China);

TMZ, Compound C, AICAR, Mdivi1, MG132 and WY14643, were purchased from MedChemExpress company. MTT and N‐Acetyl‐L‐cysteine (NAC) were purchased from Sigma‐Aldrich. MitoTracker™ Red FM (M22425), Hoechst 33342 (H1399) and anti‐Ubiquitin WB Antibody (13–1600) were purchased from Invitrogen (Thermo Fisher Scientific, Inc.) (1:1,000). Anti‐phospho‐Ubiquitin (Ser65) (ABS1513‐I) was purchased from Merck KGaA company (1:1000). Anti‐P53 (21891–1‐AP), anti‐PINK1 (23274–1‐AP), anti‐Parkin (14060–1‐AP), anti‐Drp1 (12957–1‐AP), anti‐Opa1 (27733–1‐AP), anti‐Mfn1 (13798–1‐AP), anti‐Mfn2 (12186–1‐AP), anti‐Caspase‐9 (10380–1‐AP), anti‐BAX (50599–2‐Ig), anti‐Caspase‐3 (19677–1‐AP), anti‐VDAC1 (10866–1‐AP), anti‐Lamin B (12987–1‐AP), anti‐Cytochrome c (10993–1‐AP), and anti‐β‐actin (60008–1‐Ig) were purchased from ProteinTech Group, Inc., (Chicago, IL, USA) (1:1,000). Anti‐γ‐H2A.X (ab81299) was purchased from Abcam (1:1000). Anti‐AMPKα (2532) and p‐AMPKα (50081) were purchased from Cell Signaling Technology, Inc. (Massachusetts, USA) (1:1000). Anti‐phospho‐DRP1(Ser616) (DF2972) was purchased from Affinity Biosciences (1:1000). Anti‐phospho‐DRP1(Ser637) (6319S) was purchased from Cell Signaling Technology, Inc. (1:1,000).

NaHS was purchased from Sigma-Aldrich (St Louis, MO, USA), and the cigarettes were purchased from Guangdong Tobacco Industry Co., Ltd. (Guangzhou, China). SRT1720 and EX 527 were purchased from Selleck Chemicals (Houston, TX, USA). The TRIzol Reagent was purchased from Ambion (Life Technologies, CA, USA). The PrimeScript RT reagent Kit with gDNA Eraser was from Takara Bio Inc. (Takara, Shiga, Japan), and the SsoFast EvaGreen Supermix was obtained from Bio-Rad Laboratories, Inc. (CA, USA). The primary and second antibodies described in this study include: anti-Bcl-2 and anti-β-actin polyclonal antibodies were purchased from Proteintech (Chicago, IL, USA); anti-MFN1, anti-SIRT1, anti-FOXO3 and anti-Bax antibodies were purchased from Abclonal (Wuhan, China); anti-p21 and anti-p53 antibodies were purchased from Cell Signaling Technology (CA, USA); anti-FIS1 antibodies, and the horseradish peroxidase (HRP)-labeled Goat Anti-Rabbit/Mouse IgG (H+L) were purchased from Abcam Biotechnology (Cambridge, MA, USA). The poly-vinylidene fluoride (PVDF) membranes were from Millipore Corporation (Billerica, MA, USA). ECL-Plus detection kit probed was purchased from Tanon Science and Technology Co., Ltd. (Shanghai, China). Other reagents were all purchased from GBCBIO Technologies Inc. (Guangzhou, China) unless otherwise indicated.