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6 protocols using x omat 3000 ra film processor

1

Quantitative Western Blot Analysis of sPDGFRβ in CSF

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The quantitative western blot analysis was used to detect sPDGFRβ in human CSF (ng/mL), as we previously reported.26, 27 Briefly, CSF samples and recombinant human PDGFRβ carrier‐free protein (Cat. No. 385‐PR‐100/CF, R&D Systems) were subjected to 4–12% Bis‐Tris SDS/PAGE gel electrophoresis (Thermo Scientific) for 2 h at 150 V and subsequently transferred to a nitrocellulose membrane. The membrane was blocked for 1 h with a superblock blocking buffer (Cat. No. 37537, Thermo Scientific). The membrane was incubated with a primary antibody for PDGFRβ (Cat. No. AF1042, R&D Systems) overnight, then incubated with donkey anti‐goat IgG secondary antibody (Cat. No. A15999, 1:5000 dilution, Thermo Scientific) for 1 h at room temperature, treated with Western ECL detection solution (Cat. No. 34075, Thermo Scientific), exposed to CL‐Xposure film (Cat. No. 34091, Thermo Scientific), and developed in an X‐Omat 3000 RA film processor (Kodak). Images were acquired, and densitometry analysis was performed using NIH Image J software.
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2

Autophagy Markers in Oligodendrocytes

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The autophagy markers were analyzed in oligodendrocytes 12 and 24 h after treatment with 1.5 mg/mL fibrinogen or 0.1 mg/mL fibrin, with or without mTOR activator MHY1485 (#500554, Calbiochem) or autophagy inhibitor VII (#534360, Calbiochem). Cells were lysed in RIPA buffer (50 mM Tris, pH 8.0, 150 mM NaCl, 0.1% SDS, 1.0% NP-40, 0.5% sodium deoxycholate and Roche protease inhibitor cocktail). Samples were then subjected to NuPAGE 4-12% bis-tris-SDS-PAGE (ThermoFisher) and transferred to a nitrocellulose membrane. Membranes were blocked with SuperBlock (ThermoFisher), incubated with anti-p62 (Cell Signaling, #5114; 1:1,000) or anti-LC3 (Cell Signaling, #4108; 1:1,000) rabbit polyclonal antibodies, and then incubated with HRP-conjugated donkey anti-rabbit secondary antibody (ThermoFisher, #A16023; 1:5,000). Membranes were then treated with SuperSignal™ West Pico PLUS chemiluminescent substrate (#34580, ThermoFisher), exposed to CL-XPosure film (#34097, Thermo Scientific) and developed in a X-OMAT 3000 RA film processor (Kodak). Relative abundance of the LC3-II/I ratio was quantified against the loading control β-actin as described79 (link).
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3

Western Blot Protein Analysis

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All samples were lysed in RIPA buffer, subjected to SDS-Page gel electrophoresis and transferred to a nitrocellulose membrane. Membranes were blocked with 5% milk, incubated with primary antibody, incubated with the appropriate HRP-conjugated secondary antibody, treated with Immobilon Western ECL detection buffers (Millipore), exposed to CL-XPosure film (Thermo Scientific) and developed in a X-OMAT 3000 RA film processor (Kodak, Rochester, NY), or ChemiDoc XRS system from Bio-Rad.
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4

Western Blot Protein Analysis

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All samples were lysed in RIPA buffer, subjected to SDS-Page gel electrophoresis and transferred to a nitrocellulose membrane. Membranes were blocked with 5% milk, incubated with primary antibody, incubated with the appropriate HRP-conjugated secondary antibody, treated with Immobilon Western ECL detection buffers (Millipore), exposed to CL-XPosure film (Thermo Scientific) and developed in a X-OMAT 3000 RA film processor (Kodak, Rochester, NY), or ChemiDoc XRS system from Bio-Rad.
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5

Western Blot Analysis of Myelin Basic Protein

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White matter tissue (i.e., corpus callosum, internal capsule, cingulum, and external capsule) was lysed in RIPA buffer (50 mM Tris, pH 8.0, 150 mM NaCl, 0.1% Sodium Dodecyl Sulfate (SDS), 1.0% NP-40, 0.5% sodium deoxycholate and Roche protease inhibitor cocktail). Samples were then subjected to bis-tris-SDS-PolyAcrylamide Gel Electrophoresis (SDS-PAGE) and transferred to a nitrocellulose membrane. Membranes were blocked with 5% milk, incubated with anti-MBP (Santa Cruz, sc-13914; 1:1,000), and then incubated with HRP-conjugated donkey anti-goat secondary antibody (Invitrogen, A16005; 1:5,000). Membranes were then treated with Immobilon Western ECL detection buffers (Millipore), exposed to CL-XPosure film (Thermo Scientific) and developed in a X-OMAT 3000 RA film processor (Kodak).
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6

Quantitative Western Blot of sPDGFRβ in CSF

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The quantitative western blot analysis was used to detect sPDGFRβ in human CSF (ng/mL), as we previously reported.26 (link),27 (link) Briefly, CSF samples and recombinant human PDGFRβ carrier-free protein (Cat. No. 385-PR-100/CF, R&D Systems) were subjected to 4–12% Bis-Tris SDS/PAGE gel electrophoresis (Thermo Scientific) for 2 h at 150 V and subsequently transferred to a nitrocellulose membrane. The membrane was blocked for 1 h with a superblock blocking buffer (Cat. No. 37537, Thermo Scientific). The membrane was incubated with a primary antibody for PDGFRβ (Cat. No. AF1042, R&D Systems) overnight, then incubated with donkey anti-goat IgG secondary antibody (Cat. No. A15999, 1:5000 dilution, Thermo Scientific) for 1 h at room temperature, treated with Western ECL detection solution (Cat. No. 34075, Thermo Scientific), exposed to CL-Xposure film (Cat. No. 34091, Thermo Scientific), and developed in an X-Omat 3000 RA film processor (Kodak). Images were acquired, and densitometry analysis was performed using NIH Image J software.
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