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4 protocols using chemiscope 6200t

1

STAT3 Expression Analysis in HaCaT Cells

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Western blot analysis was performed to determine STAT3 expression in vitro. HaCaT cells were treated with PBS, Dextran (20 μg/ml), ACT (20 μg/ml)or ACT-Dex NPs (20 µg ACT equiv./mL) for 12 h. Subsequently, the cells were further stimulated using recombinant IL-22 (PeproTech; 50 ng/ml) for an additional 1 h, and the cell lysate was prepared. After electrophoresis, proteins were electroeluted onto a polyvinylidenedifluoride (PVDF) membrane (Invitrogen, Carlsbad, USA). Antibodies: anti-pSTAT3 (Tyr705) (Cell Signaling, Beverly, USA), STAT3 (Cell Signaling), and anti-actin (Abcam, Cambridge, United Kingdom). For the visualization of the immunoreactive proteins, an enhanced chemiluminescence assay kit and a chemiluminescence imaging system (ChemiScope 6200T, ClinX, Shanghai, China) were used.
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2

Protein Expression Analysis of HK-2 Cells

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HK-2 cells were lysed in radioimmunoprecipitation assay buffer (Beyotime, China). Immunoblotting was performed using the following rabbit primary antibodies: anti-CD9 (1:2,000; ab92726, Abcam, UK), anti-TSG101 (1:2,000; ab125011, Abcam), anti-HSP70 (1:1,000; ab2787, Abcam), anti-vimentin (1:1,000; ab92547, Abcam), anti-α-smooth muscle actin (anti-α-SMA; 1:1,000; ab7817, Abcam), anti-E-cadherin (anti-ECAD; 1:10,000; ab40772, Abcam), anti-cyclooxygenase 2 (anti-COX-2; 1:1,000; ab179800, Abcam), anti-AKT [1:1,000; 4691S, Cell Signaling Technology (CST), USA], anti-p-AKT (1:1,000; 4060S, CST), anti-mitogen-activated protein kinase (MAPK) (ERK1/2) (1:1,000; 8544S, CST), anti-p-MAPK (ERK1/2) (1:1,000; 8544S, CST), anti-p38 (1:1,000; 8690S, CST), anti-p-p38 (1:1,000; 9216S, CST), anti-SOX2 (1:1,000; AF5140, Affinity, Canada), and anti-β-actin (1:5,000; ab8226, Abcam). Horseradish-peroxidase-conjugated goat anti-rabbit immunoglobulin G (IgG) (1:5,000; BA1055, Boster, China) and horseradish-peroxidase-conjugated goat anti-rat IgG (1:5,000; S0009, Affinity, Canada) were used as the secondary antibodies. A chemiluminescence imaging system (ChemiScope 6200T, Clinx Science Instruments, Shanghai, China) was used for detection.
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Immunoblotting Analysis of AIF Proteins

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Hippocampal tissue was collected in an immunoprecipitation buffer and analyzed by immunoblotting with an AIF mouse or rabbit anti‐Flag antibody. Proteins were separated using SDS‐PAGE and transferred to a PVDF membrane. The membrane was then blocked and incubated overnight with a 1 mg/mL rabbit anti‐Flag (anti‐SV2A, anti‐MIF, anti‐H2AX) or a mouse anti‐PAR primary antibody at 4°C, followed by a goat anti‐rabbit IgG or a donkey anti‐mouse IgG conjugated to HRP for 1 h at room temperature. After washing, immune complexes were detected using the Chemi‐luminescent system (Chemi‐scope 6200(T), CLINX, Shanghai, China).
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4

Characterization of Tendon Cell Markers

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TSCs were lysed in radioimmunoprecipitation assay buffer (Beyotime). Immunoblotting was performed using the following rabbit primary antibodies: anti-CD9 (monoclonal; 1:2000; ab92726; Abcam, Cambridge, UK), abti-TSG101 (monoclonal; 1:2000; ab125011; Abcam), anti-Hsp70 (monoclonal; 1:1000; ab2787; Abcam), anti-tenomodulin (anti-TNMD; polyclonal; 1:1000; ab203676; Abcam), anti-collagen I (monoclonal; 1:1000; ab270993; Abcam), anti-scleraxis (anti-SCXA; polyclonal; 1:500; DF13293; Affinity Biologicals, Ancaster, ON, Canada), anti-alkaline phosphatase (anti-ALP; polyclonal; 1:1000; DF6225; Affinity Biologicals), anti-runt-related transcription factor 2 (anti-Runx2; monoclonal; 1:1000; ab264077; Abcam), anti-SMAD2/3 (monoclonal; 1:1000; 5678S; Cell Signaling Technology, Danvers, MA, USA), anti-phospho (p)-SMAD2/3 (monoclonal; 1:1000; 8828S; Cell Signaling Technology), anti-SMAD1/5/9 (polyclonal; 1:500; AF0614; Affinity Biologicals), anti-phospho-SMAD1/5/9 (polyclonal; 1:1000; AF8313; Affinity Biologicals), and anti-β-actin (monoclonal; 1:5000; ab8226; Abcam). Horseradish peroxidase-conjugated goat anti-rabbit IgG (1:5000; BA1055; Boster, Wuhan, China) was used as the secondary antibody. A chemiluminescence imaging system (ChemiScope 6200T, Clinx Science Instruments, Shanghai, China) was used for detection.
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