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6 protocols using ab183797

1

Multimarker Immunofluorescence Labeling of Brain Slices

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The 18 μm brain slices were dried at 42 °C, hydrated by PBS, permeabilized and blocked with 5% BSA in PBST(PBS with 0.5% triton) incubated with primary antibody (goat anti-TNFα 1:200 R&D systems AF-410-NA; goat anti-TMEM119 1:200 abcam ab209064; rabbit anti-AMPAR1 1:100 abcam ab183797; rabbit anti AMPAR2 1:600 abcam ab206293, mouse anti-GAD65 1:200 abcam ab26113) at 4 °C overnight. For secondary antibody, delight donkey anti goat 488(earthox E032231 1:200), delight donkey anti rabbit 594(earthox E032421 1:200), delight goat anti mouse 488(earthox E032210 1:400), delight goat anti rabbit 594(earthox E032420 1:400)were used.
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2

Protein Extraction and Western Blot Analysis

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Total proteins were extracted from cultured bEnd.3 cells and brain tissues using protein lysis buffer (P0013C, Beyotime), containing 1% phosphatase inhibitors (Sigma-Aldrich), and 1% protease inhibitor cocktail (Sigma-Aldrich) and centrifuged at 12,000 × g (30 min, 4 °C). The total protein concentration was determined using a BCA protein assay kit (Beyotime, P0012) and was adjusted to 3.5 mg/mL. A total of 30 μg of protein was separated by 4–10% SDS-PAGE and transferred to a polyvinylidene fluoride (PVDF) membrane. The membrane was blocked with Tris-buffered saline with Tween-20 (TBST) containing 5% milk and analyzed using monoclonal antibodies against Ki67 (1:2,000, SolA15; eBioscience), Cdk5 (1:2,000, DC 17; Santa Cruz), p-Cdk5 (1:2,000, C-7; Santa Cruz), mouse anti-glutamate receptor 1 (1:2000; ab183797, Abcam), mouse anti-synaptophysin (1:2000; S5768, Sigma-Aldrich), mouse anti-PSD95 (1:2000; ab13552, Abcam), total Tau (D1M9X, 1:2000, 46687, Cell Signaling Technology), phospho-Tau Ser199/202 (1:2000, AB9674; Sigma-Aldrich) and rabbit anti-β-actin (1:2,000, 4970; Cell Signaling Technology). Blots were scanned using Image Quant Las4000mini System. ImageJ software (NIH) was used for the mean intensity of bands.
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3

Osteogenic Differentiation Assay

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L-alanyl-L-glutamine and insulin-like growth factor-1 (IGF-1) were purchased from Thermo Fisher (Waltham, MA, USA); Lipofectamine 2000 reagent was obtained from Invitrogen (Carlsbad, CA, USA); β-glycerophosphate disodium salt, dexamethasone, and l-ascorbic acid were obtained from Sigma-Aldrich (St Louis, MO, USA); and primary antibodies against GRIA1 (ab183797), GAPDH (ab8245), and HRP secondary antibody (ab6747) were obtained from Abcam (Cambridge, MA, USA).
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4

Protein Expression Analysis of hBMSCs

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First, hBMSCs were lysed with RIPA buffer (Beyotime), and then the protein levels in each sample were measured using a BCA kit (Tiangen Biotechnology, Beijing, China). Equivalent amounts of protein were separated by 10% SDS-PAGE and transferred to a polyvinylidene fluoride membrane (Millipore) for Western blot assay. The membrane was then sealed for 1 h with 5% skimmed milk and washed with TBST. The PVDF membrane was incubated with the primary antibody against GRIA1 (ab183797; 1:10,000; Abcam, Cambridge, UK), collagen I (ab34710; 1:10,000; Abcam), collagen II (ab34712; 1:10,000;
Abcam), and GAPDH (ab8245; 1:10,000; Abcam) at 4°C overnight. Then, the membrane was incubated at 25°C for 1 h with horseradish peroxidase (HRP) secondary antibody (ab6747; 1:4,000; Abcam). Protein expression was visualized using an ECL kit (Beyotime) as described previously [23 (link)], and band intensities were quantified using Image J software (NIH, Bethesda, MD, USA).
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5

Western Blot Analysis of Hippocampal Proteins

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Protein samples harvested from the hippocampus were lysed by cold lysis buffer (RIPA: PMSF = 100:1) on ice. The concentration of protein was quantified by BCA Protein Assay Kit (Beyotime Biological Co., Ltd.). Twenty micrograms protein samples combined with loading buffer were subjected to SDS-PAGE electrophoresis, transferred onto membranes, and blocked by 5% milk in TBST. Subsequently, the membranes were incubated overnight with primary antibodies, including Netrin-1 (1:500, ab126729, Abcam), DCC (1:1,000, ab273570, Abcam), Neo-1 (1:1,000, 20246-1-AP, Proteintech), GluA1 (1:1,000, ab183797, Abcam), NR1 (1:1,000, ab109182, Abcam), NR2A (1:1,000, ab124913, Abcam), NR2B (1:1,000, ab65783, Abcam), PSD95 (1:1,000, ab36233, Abcam), or Tubulin (1:1,000, ARG62347, Arigo Biolaboratories Co.). On the following day, membranes were incubated with horseradish peroxidase (HRP)-conjugated goat anti-mouse/rabbit IgG antibody (1:5,000, ARG65350/65351, Arigo Biolaboratories Co.) and visualized using an ECL Chemiluminescent Kit (Sigma, United States). Gel image analyses were performed using the ImageJ software.
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6

Immunofluorescence Profiling of Neural Markers

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The following primary antibodies were used: mouse anti-Aβ1-42 (1:1,000; A5213, Sigma-Aldrich), rat anti-CD68 (1:400; MCA1957, Bio-Rad), rabbit anti-Iba-1 (1:1,000; Wako Chemical), mouse anti-glutamate receptor 1 (1:400; ab183797, Abcam), mouse anti-synaptophysin (1:200; S5768, Sigma-Aldrich), rat anti-mouse Ly6G (1:200; BP0075, Bioxcell), mouse anti-myeloperoxidase (MPO, 1:1,000; AF3667-SP, R&D), mouse anti neutrophil elastase (NE, 1:1 000; MAB4517-SP, R&D), rat anti-Ki67 (1:500; SolA15, eBioscience), rabbit anti-Claudin5 polyclonal antibody (1:400; YT0953, Immunoway) mouse anti-pCdk5 (1:400; C-7, Santa Cruz) and mouse anti-Cdk5 (1:400; DC 17, Santa Cruz). The following secondary antibodies were used: Alexa Fluor 647 donkey anti-mouse, Alexa Fluor 594 donkey anti-rat, Alexa Fluor 488 donkey anti-goat, Alexa Fluor 555 goat anti-rabbit, and Alexa Fluor 488 goat anti-rabbit (1:400, Invitrogen). PE-conjugated anti-CD31 (1:100; 553373, B&D), FITC-conjugated anti-CXCL1 (1:100; IC4532G, B&D) and DyLight 649-labeled lectin (1:200; L32472, InvitrogenTM) antibodies were used in some immunofluorescence experiments. The detailed immunofluorescence protocols have been described previously [30 (link)].
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