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25 protocols using goat anti rabbit igg h l hrp

1

Hypoxia-Induced HIF-1α and CAIX Expression

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The variation trend of HIF-1α and CAIX protein expression was studied by western blot (WB). The correlation between myocardial CAIX and HIF-1α could be found. In detail, H9c2 cell hypoxia model was simulated by PA with different concentrations (0-100 μM). Protein was extracted from cells with ice-cold radioimmunoprecipitation assay (RIPA) buffer containing 1 mmol/L phenylmethanesulfonyl uoride (PMSF). The lysates were centrifuged at 12000 g for 15 min at 4 °C. The protein concentration was quanti ed by Bicinchoninic Acid Protein Assay kit (Biosky Biotechnology Corporation, Nanjing, China). Western blot assay was used for protein expression analysis with primary antibody (anti-HIF-1α, proteintech, 1:500, 20960-1-AP; anti-CAIX, proteintech, 1:500, 11071-1-AP; anti-GAPDH, Bioworld
Technology, 1:500, AP0063) and HRP-conjugated secondary antibody (Goat Anti-Rabbit IgG (H+L) HRP, 1:3000, Bioworld Technology, BS13278, or Rabbit Anti-Goat IgG (H+L)-HRP, 1:3000, Bioworld Technology, BS30503). Equal loading was veri ed by incubation with anti-GAPDH. The blots were visualized using ECL, and the signals were quanti ed by densitometry (Image-Pro Plus 6.0).
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2

Hypoxia-Induced HIF-1α and CAIX Expression

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The variation trend of HIF-1α and CAIX protein expression was studied by western blot (WB). The correlation between myocardial CAIX and HIF-1α could be found. In detail, H9c2 cell hypoxia model was simulated by PA with different concentrations (0-100 μM). Protein was extracted from cells with ice-cold radioimmunoprecipitation assay (RIPA) buffer containing 1 mmol/L phenylmethanesulfonyl uoride (PMSF). The lysates were centrifuged at 12000 g for 15 min at 4 °C. The protein concentration was quanti ed by Bicinchoninic Acid Protein Assay kit (Biosky Biotechnology Corporation, Nanjing, China). Western blot assay was used for protein expression analysis with primary antibody (anti-HIF-1α, proteintech, 1:500, 20960-1-AP; anti-CAIX, proteintech, 1:500, 11071-1-AP; anti-GAPDH, Bioworld
Technology, 1:500, AP0063) and HRP-conjugated secondary antibody (Goat Anti-Rabbit IgG (H+L) HRP, 1:3000, Bioworld Technology, BS13278, or Rabbit Anti-Goat IgG (H+L)-HRP, 1:3000, Bioworld Technology, BS30503). Equal loading was veri ed by incubation with anti-GAPDH. The blots were visualized using ECL, and the signals were quanti ed by densitometry (Image-Pro Plus 6.0).
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3

Western Blot Analysis of Protein Expression

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Total protein was extracted by a previously described method [16 (link)]. Briefly, the protein concentration of F1-treated CAL-62 cells was detected by the BCA method (Thermo Scientific, USA), and the extracts containing equal amounts of proteins (20 μg) were electrophoresed in the desired concentration of polyacrylamide gel according to the size of the target protein and then transferred to a PVDF membrane. The membrane was blocked for 1 h with 5% bovine serum albumin (BSA) in TBS-Tween 20 buffer and incubated with different rabbit monoclonal antibodies (1:1000 dilution; p-AKT, CST #4060S; AKT, CST #4691) and mouse monoclonal antibodies (β-actin, Proteintech, 66009–1-Ig). The membrane was then incubated with anti-rabbit/mouse antibody (1:40,000 dilution; goat anti-rabbit IgG (H + L) HRP, Bioworld, BS13278; goat anti-mouse IgG (H + L) HRP, Bioworld, BS12478) at room temperature for 1 h, and ECL detection reagents (Merck Millipore, USA) were used to visualize the membrane with an image scanner Protein Simple (Santa Clara, CA, United States). Blots were analyzed by Image-Pro Plus Analysis software (Media Cybernetic, Rockville, Maryland, USA).
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4

Examining IRF7 and TBK1 Expression in BMDCs

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BMDCs seeded at 106 cells/mL were transfected with different plasmids of 2 µg per well, Blank; NSP16; poly (I:C); NSP16+poly (I:C); Pri-NSP16. The cells were harvested and treated with lysis buffer (Bioss, Woburn, MA) at 24 h after transfection. Samples (20 µL) were separated on a 7.5% SDS-PAGE gel (EpiZyme, Cambridge, MA) and blotted onto a 0.45 μm PVDF membrane (Merck Millipore, Germany). Membranes were blocked for 2 h in 5% skim milk in TBST (1 M Tris–HCl saline plus 0.2% Tween-20) and then probed with anti-IRF7 and anti-TBK1 rabbit monoclonal antibodies (Abways, Shanghai, China) at a 1:1,000 dilution for overnight. Membranes were washed (0.2% Tween 20 in 1X TBS) and then probed with goat anti-rabbit IgG (H&L)-HRP (Bioworld, Bloomington, MN) at a 1:3,000 dilution for 2 h before washing and detection with chemiluminescence. The expression of the GAPDH polyclonal antibody (1:10,000) (Bioworld) was also examined in parallel as an internal control.
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5

Western Blot Analysis of Neuronal Signaling

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Neurons were lysed at 30 days with radioimmunoprecipitation assay (RIPA) lysis (Solarbio, Cat. #R0010, China), PMSF (Solarbio, Cat. # P0100, China), and phosphatase inhibitor (Solarbio, China) in proportions of 100:1:1, respectively. A BCA Protein Assay Kit (KeyGEN, Cat. #KGP902, China) was used for protein quantification. The proteins were used with 4–20% sodium dodecyl sulfate–polyacrylamide gel for electrophoresis and were transferred into the PVDF membrane (Merck Millipore, Cat. #ISEQ00010, Germany). They were then blocked with 5% nonfat milk for 90 min and incubated overnight with the primary antibody at 4°C. The following day, they were incubated with the secondary antibody. After that, an Omni-ECL™ Enhanced Pico Light Chemiluminescence Kit (EpiZyme, Cat. #SQ101, China) was added to capture the protein with a ChemiDoc™ MP Image System (Bio-RAD, Universal Hood III). The information about the antibodies is as follows: Kv4.3 (1:200; Affinity Biosciences); activating transcription factor 4 (ATF4) (1:200; Cell Signaling Technology); and C/EBP homologous protein (Bushart et al., 2018 (link)) (1:200, Proteintech). Goat anti-mouse IgG (H+L) -HRP (1:10,000; Bioworld) and goat anti-rabbit IgG (H+L) HRP (1:10,000; Bioworld) were used for Western blotting.
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6

Western Blot Analysis of Protein Markers

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The cells were lysed with lysis buffer (Beyotime, China) freshly supplemented with phosphatase inhibitors and phenylmethanesulfonyl fluoride (Beyotime, China). The samples were fractionated by SDS‐PAGE gels and transferred to microporous polyvinylidene difluoride (PVDF) membranes (Roche, Swiss). The membranes were blocked with 5% skim milk for 1 h and incubated overnight at 4°C with primary antibodies including rabbit polyclonal anti‐AGR227; ESE1 (Santa Cruz Biotechnology, USA); E‐cadherin (CST#3195, USA), N‐cadherin (CST#13116, USA), and vimentin (CST#5741, USA); GAPDH (10494‐1‐AP, Proteintech, USA). The membranes were then washed and probed with secondary antibodies: goat anti‐mouse IgG (H + L)‐HRP or goat anti‐rabbit IgG (H + L)‐HRP (Bioworld, USA) before detection with the enhanced chemiluminescence (Thermo Fisher Scientific, USA) and imaged using the ChemiDoc XRS + System (Bio‐Rad, USA).
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7

Comparative Analysis of HCC Cell Lines

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HuH7, HCCLM3 and Hep3B cell lines were obtained from American Type Culture Collection (ATCC) and were maintained in DMEM medium containing 10% fetal bovine serum (Sigma) and 1% Penicillin-Streptomycin (E607011, Sangon Biotech (Shanghai) Co., Ltd). DCZ0415, Mithramycin A, Olaparib were purchased from MedChemExpress (MCE). GAPDH and TRIP13 antibodies were obtained from Proteintech. SP1 and γH2AX antibodies were purchased from ABclonal. Goat Anti-Rabbit IgG (H+L) HRP and Goat Anti-Mouse IgG (H+L) HRP secondary antibodies were obtained from Bioworld.
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8

Hippocampal Protein Expression Analysis

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Each mouse was sacrificed after anesthesia, and the hippocampus was homogenized in Radio immunoprecipitation assay buffer, Radio immunoprecipitation assay (RIPA) lysis buffer reagent (Beyotime Biotechnology, Shanghai, China) using a homogenizer. Notably, 30 μg of total proteins were electrophoresed through 12% Bis-Tris sodium dodecyl sulfate (SDS, CH3(CH2)11OSO3Na) polyacrylamide gels and then transferred to a polyvinyl difluoride (PVDF) membrane. The primary Abs were anti-MTP18 Ab (Proteintech, 14257-1-AP, Rosemont, IL, United States), anti-DRP1 Ab (Abcam, ab184247), and anti-beta-actin Ab (Bioss, bs-0061R, Boston, MA, United States). Goat anti-rabbit IgG (H + L)-HRP (Bioworld, BS13278, Bloomington, IN, United States) was used as the secondary Ab and protein signals were detected using the enhanced chemiluminescence (ECL) system (CWBIO, Taizhou, Jiangsu, China).
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9

Protein Extraction and Western Blot Analysis

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Total protein was extracted from PDAC cells for Western blot analysis. The cells were lysed with lysis buffer (Beyotime, P0013) containing phosphatase inhibitors and phenylmethanesulfonyl fluoride (PMSF, Beyotime, ST506). The samples were fractionated by SDS-PAGE gels and transferred to microporous polyvinylidene difluoride (PVDF) membranes (Roche, 3010040001). The membranes were blocked with 5% skim milk for 1 h and incubated with primary antibodies overnight at 4°C. Antibodies against GAPDH (10494-1-AP) and anti-β-actin (20536-1-AP) were purchased from Proteintech. Other primary antibodies including anti-YAP (CST, 14074), anti-E-Cadherin (CST, 3195), anti-Vimentin (CST, 5741), anti-phospho-Smad2 (CST, 8828), anti-Smad2/3 (CST, 8685), anti-phospho AKT (CST, 4060), and anti-AKT (CST, 9272) were the products of Cell Signaling Technology. The membranes were then probed with secondary antibodies: goat anti-mouse IgG (H+L)-HRP or goat anti-rabbit IgG (H+L)-HRP (Bioworld).
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10

Protein Extraction and Western Blotting

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Cells were lysed in RIPA buffer (Beyotime, China) with protease inhibitor cocktail (Bimake, USA) and PMSF (GBCBIO Technologies, China) on ice for 30 min. After the supernatant was harvested and total protein concentration was determined by a BCA protein assay kit (Bioworld, USA), protein lysates were separated by SDS-PAGE and transferred to polyvinylidene difluoride (PVDF) membranes (Merck, Germany) via semi-dry transfer (Bio-Rad, USA). The membranes were blocked with 5% non-fat milk in PBST for 2 h at room temperature before incubating with specific primary antibodies, followed by Goat anti-Rabbit IgG (H+L)-HRP or Goat anti-Mouse IgG (H+L)-HRP (Bioworld, USA), respectively. The following primary antibodies were used: β-actin, Myc-tag (Proteintech, China), EGFP (abcam, UK), and anti-HSP90B1 (Proteintech, China).
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