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4 protocols using anti 5ht1a

1

Western Blot Analysis of GABA and 5HT1A Receptors

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Protein (50 mg) obtained from mice brain or intestine was isolated on 10% Tris-Glycine polyacrylamide gels (Bio-rad Laboratories, Inc., Hercules, CA, USA) and transferred to Immobilon-P membranes (Millipore Corporation, Bedform, MA, USA). The membrane was incubated overnight at 4 ℃ with following antibodies: anti-GABAA-a2 (Abcam, #ab72445), anti-GABAB-R1 (Cell signaling, #3835), anti-5HT1A (Abcam, #ab85615), or GAPDH (Cell signaling, #5174). The membrane-bound antibodies were applied to secondary IgG antibody (Cell signaling, #5127) and signals were visualized using ECL Prime (GE Healthcare Life Sciences, Issaquah, WA, USA) on a FluorChem E Imaging System (Protein Simple, San Jose, CA, USA). Protein signals were quantified using FluorChem E Image Quant software with normalization by GAPDH as an internal control.
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2

Western Blot Analysis of Brain Receptors

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The supernatant from homogenized brain tissue was lysed and 40 µg of protein was separated on 10% SDS-PAGE, then transferred to an Immobilon-P PVDF membrane (Millipore, Burlington, MA, USA). The membrane was blocked with 5% BSA, incubated with primary antibodies overnight at 4 • C, followed by goat anti-rabbit IgG-HRP (1:2000, Cell Signaling Technology, Danvers, MA, USA) for 2 h at room temperature. After three washes with TBST buffer (Dynebio Inc., Seongnam, Republic of Korea), the membrane was visualized using Clarity ECL (Bio-Rad, Hercules, CA, USA) on a UVP GelStudio system (Analytik Jena AG, Jena, Germany). Primary antibodies: anti-GABAA receptor (Abcam, Cambridge, UK; 1:1000), anti-5HT1A (Abcam; 1:1000), anti-GABAB receptor (Cell Signaling Technology; 1:1000), anti-β-actin (Cell Signaling Technology; 1:1000), and goat anti-rabbit IgG-HRP (Cell Signaling Technology; 1:2000).
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3

Antibody-based Protein Analysis Techniques

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ZBD-2 was prepared at our laboratory as previously described [13 (link)]. Anti-β-actin antibody was purchased from Sigma (St. Louis, MO). Anti-GluN2A, anti-GluN2B, anti-GluA1, anti-p-GluA1-ser845, anti-5-HT1A and anti-BDNF antibodies were purchased from Abcam (Cambridge, UK). Anti-TSPO, anti-GABAA-α2 and anti-GABAA-γ2 antibodies were purchased from Chemicon (Temecula, CA, USA). All secondary antibodies conjugated with horseradish peroxidase (HRP) were purchased from Santa Cruz Biotechnology (Santa Cruz, CA, USA). The CRH (Corticotropin-releasing hormone), ACTH (Adreno-cortico- tropic-hormone), CORT (Corticosterone) and 5-HT (5-hydroxytryptamine) ELISA kits were purchased from (Cusabio, Wuhan, China). All of the chemicals and reagents used were standard biochemical quality and commercially available.
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4

Western Blot Analysis of 5HT1A in Mouse Hippocampus

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Hippocampus of two mice from each group was homogenized in an ice-cold RIPA buffer (Solarbio, China), and centrifuged at 12000×g for 10 min at 4 °C. The supernatants were collected. Protein concentration was determined by a BCA (bicinchoninic acid) protein assay using bovine serum albumin as a standard. The proteins were separated with the aid of sodium dodecyl sulfate polyacrylamide gel electrophoresis and transferred to a polyvinylidene difluoride membrane. After blocking in 3 % bovine serum albumin/Tris buffered saline with Tween 20 (TBST) at room temperature for 2 h, the membranes were incubated with the primary antibody at 4 °C overnight (anti-5HT 1A 1:1000, Abcam, UK). After washing with TBST three times, the membranes were incubated with HRP conjugated anti-rabbit or anti-mouse lgG secondary antibodies (1:10000, Proteintech, USA) for 1 h at room temperature. The blots were washed again three times with TBST buffer, and the immunoreactive bands were detected using a chemiluminescence system (Bio-Rad Chem-iDox XRS, USA). Protein band densities were quantified using the Image J software (Bio-Rad ChemiDoc XRS) while GAPDH (1:5000, Proteintech) was used as a loading control.
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