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82760
Silent Synapses Antibody Sampler Kit
Primary Antibodies

Silent Synapses Antibody Sampler Kit #82760

Western Blotting Image 1

Western blot analysis of extracts from mouse brain, rat brain, and rat prefrontal cortex tissues using AMPA Receptor 1 (GluA1) (D4N9V) Rabbit mAb.

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Western Blotting Image 2

Western blot analysis of extracts from mouse brain, untreated (-) or λ-phosphatase-treated (+), using Phospho-AMPA Receptor 1 (GluA1) (Ser831) (A5O2P) Rabbit mAb (upper) and AMPA Receptor 1 (GluA1) (D4N9V) Rabbit mAb #13185 (lower).

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Western Blotting Image 3

Western blot analysis of extracts from mouse brain and rat brain using Phospho-AMPA Receptor 1 (GluA1) (Ser845) (D10G5) Rabbit mAb. The phospho-specificity of the antibody was verified by blocking with a phospho or nonphosphopeptide.

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Western Blotting Image 4

Western blot analysis of extracts from mouse brain, rat brain, and human cortex tissues using AMPA Receptor 2 (GluA2) (E1L8U) Rabbit mAb.

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Western Blotting Image 5

Western blot analysis of extracts from human cerebellum and rat brain using PSD95 (D27E11) XP® Rabbit mAb.

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Western Blotting Image 6

Western blot analysis of extracts from rat and mouse brain using NMDA Receptor1 (GluN1) (D65B7) Rabbit mAb.

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Western Blotting Image 7

After the primary antibody is bound to the target protein, a complex with HRP-linked secondary antibody is formed. The LumiGLO® is added and emits light during enzyme catalyzed decomposition.

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IP Image 8

Immunoprecipitation of AMPA Receptor 1 (GluA1) from mouse brain extracts, using Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (lane 2) or AMPA Receptor 1 (GluA1) (D4N9V) Rabbit mAb (lane 3). Lane 1 is 10% input. Western blot analysis was performed using AMPA Receptor 1 (GluA1) (D4N9V) Rabbit mAb.

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IP Image 9

Immunoprecipitation of AMPA Receptor 2 (GluA2) from rat brain extracts, using Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (lane 2) or AMPA Receptor 2 (GluA2) (E1L8U) Rabbit mAb (lane 3). Lane 1 is 10% input. Western blot analysis was performed using AMPA Receptor 2 (GluA2) (E1L8U) Rabbit mAb.

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IF-F Image 10

Confocal immunofluorescent analysis of rat cerebellum and retina using PSD95 (D27E11) XP® Rabbit mAb (red) and Neurofilament-L (DA2) Mouse mAb #2835 (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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IF-F Image 11

Confocal immunofluorescent analysis of mouse hippocampus using AMPA Receptor 1 (GluA1) (D4N9V) Rabbit mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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Product Includes Quantity Applications Reactivity MW(kDa) Isotype
AMPA Receptor 1 (GluA1) (D4N9V) Rabbit mAb 13185 20 µl
  • WB
  • IP
  • IF
H M R 100 Rabbit IgG
Phospho-AMPA Receptor 1 (GluA1) (Ser831) (A5O2P) Rabbit mAb 75574 20 µl
  • WB
  • IP
H M 100 Rabbit IgG
Phospho-AMPA Receptor 1 (GluA1) (Ser845) (D10G5) Rabbit mAb 8084 20 µl
  • WB
  • IP
H M R 100 Rabbit IgG
AMPA Receptor 2 (GluA2) (E1L8U) Rabbit mAb 13607 20 µl
  • WB
  • IP
H M R 100 Rabbit IgG
PSD95 (D27E11) XP® Rabbit mAb 3450 20 µl
  • WB
  • IF
H M R 95 Rabbit IgG
NMDA Receptor 1 (GluN1) (D65B7) Rabbit mAb 5704 20 µl
  • WB
  • IP
H M R 120 Rabbit IgG
Anti-rabbit IgG, HRP-linked Antibody 7074 100 µl
  • WB
Goat 

The Silent Synapses Antibody Sampler Kit provides an economical means of detecting the activation of AMPA-type glutamate receptors (AMPAR) using phospho-specific and control antibodies. AMPARs expression can be compared to other synaptic components including NMDA-type glutamate receptor subunit GluN1 and the synaptic scaffolding protein PSD95. The kit includes enough antibody to perform two western blot experiments with each primary antibody.

Each antibody in the Silent Synapses Antibody Sampler Kit detects its target protein at endogenous levels. The phospho-specific antibodies recognize

human AMPA Receptor 1 (GluA1) only when phosphorylated at the indicated residues. While the literature refers to the GluA1 phospho-residues as Ser831 and Ser845, the corresponding residues for UniProt ID #P42261 are Ser849 and Ser863, respectively.

Monoclonal antibodies are produced by immunizing animals with synthetic peptides corresponding to residues surrounding Ala275 of human AMPA Receptor 1 (GluA1) protein, Ser52 of human AMPA Receptor 2 (GluA2) protein, Gln53 of human PSD95, and Pro660 of the human NMDA Receptor 1 (GluN1) protein. Activation-state specific monoclonal antibodies are produced by immunizing animals with synthetic phosphopeptides corresponding to residues surrounding Ser831 and Ser845 of human AMPA Receptor 1 (GluA1) protein.

AMPA- (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid), kainate-, and NMDA- (N-methyl-D-aspartate) receptors are the three main families of ionotropic glutamate-gated ion channels. AMPA receptors (AMPARs) are composed of four subunits (GluA1-4), which assemble as homo- or hetero-tetramers to mediate the majority of fast excitatory transmissions in the central nervous system. AMPARs are implicated in synapse formation, stabilization, and plasticity (1). In contrast to GluA2-containing AMPARs, AMPARs that lack GluA2 are permeable to calcium (2). Post-transcriptional modifications (alternative splicing, nuclear RNA editing) and post-translational modifications (glycosylation, phosphorylation) result in a very large number of permutations, fine-tuning the kinetic properties and surface expression of AMPARs representing key pathways to mediate synaptic plasticity (3). During development and mature states, some synapses exhibit “silent synapses” that lack functional AMPAR-mediated transmission. Synapses become “unsilenced” by post-translational modification of GluAs, particularly GluA1, which alters its kinetic properties and/or surface expression while other synaptic components, such as other glutamate receptors like NMDARs and postsynaptic scaffolding proteins like PSD95, remain unaltered. Conversely, reducing the AMPAR kinetic properties and surface expression can silence synapses. Key post-translational modifications implicated in regulating these processes include phosphorylation of GluA1 at Ser831 and Ser845 (4). Research studies have implicated activity-dependent changes in AMPARs in a variety of diseases, including Alzheimer’s, amyotrophic lateral sclerosis (ALS), stroke, and epilepsy (1).

  1. Palmer, C.L. et al. (2005) Pharmacol Rev 57, 253-77.
  2. Cull-Candy, S. et al. (2006) Curr Opin Neurobiol 16, 288-97.
  3. Huganir, R.L. and Nicoll, R.A. (2013) Neuron 80, 704-17.
  4. Diering, G.H. et al. (2016) Proc Natl Acad Sci U S A 113, E4920-7.
Entrez-Gene Id
2890 , 2891 , 2902 , 1742
Swiss-Prot Acc.
P42261 , P42262 , Q05586 , P78352
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
XP is a registered trademark of Cell Signaling Technology, Inc.

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