Synaptic Marker sampler panel containing 6 antibodies against Synaptophysin, Synapsin1, PSD95 and VAMP2
- Provided as a sampler panel to allow you to easily evaluate each in your required applications.
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Possibly involved in structural functions as organizing other membrane components or in targeting the vesicles to the plasma membrane. Involved in the regulation of short-term and long-term synaptic plasticity (By similarity).
SYN1, VAMP2, DLG4, SYN1, DLG4, VAMP2
Synaptophysin, Major synaptic vesicle protein p38, SYP
Synaptic Marker sampler panel containing 6 antibodies against Synaptophysin, Synapsin1, PSD95 and VAMP2
- Provided as a sampler panel to allow you to easily evaluate each in your required applications.
Product Specifications
Synaptic Marker (Synaptophysin, Synapsin1, PSD95, VAMP2) Antibody Sampler Panel - Human, Mouse (ab263463) is a panel of 6 monoclonal antibodies to synaptic markers. Synaptic markers are proteins to help identify and study synapses, the junctions between neurons.
This panel contains 5 rabbit recombinant monoclonal antibodies and 1 mouse monoclonal antibody to Synaptophysin (UniProt: P08247), Synapsin I (UniProt: O88935), PSD95 (UniProt: P78352), PSD95 (UniProt: Q62108) and VAMP2 (UniProt: P63027) in convenient trial sizes (20 µg/ 20 µL) to allow for efficient and cost-effect testing of the antibodies simultaneously.
The individual antibodies included in this panel are:
All of these component antibodies are available for purchase individually using their corresponding abIDs.
Quality and Validation
Abcams high quality validation processes ensure each component antibody is sensitive and specific to the target protein.
All antibodies in this panel have been validated in human, mouse and rat samples in a variety of applications, and some also have reactivity in other species.
For information on the species reactivity and application validation of each antibody within the panel, please consult the individual datasheet for each antibody. Suggested dilution factor and additional information on protocols can also be found on the antibody datasheets.
All antibodies in this panel have been cited in peer-reviewed journals and are trusted by scientific community.
Related Products
Many of our antibody clones are also available as carrier-free formulations for easy conjugation to labels of your choice, or in pre-conjugated formats. Please search the clone name for alternative formulations and related products.
Explore our range of antibody sample panels designed to provide you with a variety of trial-size antibodies in a convenient and cost-effective format.
Carrier-free formulations of our recombinant antibodies are also available for easy conjugation to labels of your choice and for multiplex applications. Use our intuitive search and select carrier-free or your label of choice. For bespoke conjugations or large volumes email bespoke@abcam.com.
Synapsin I Synaptophysin PSD95 and VAMP2 are important proteins in neuronal function. Synapsin I also known as neuron-specific phosphoprotein typically has a mass of approximately 70 kDa and is expressed in nerve terminals. Synaptophysin a major synaptic vesicle protein with a mass around 38 kDa is expressed in presynaptic vesicles. PSD95 a member of the membrane-associated guanylate kinase (MAGUK) family is found in the postsynaptic density of neurons. VAMP2 often referred to as synaptobrevin is found in synaptic vesicles with a mass close to 18 kDa. These proteins play roles as presynaptic and postsynaptic markers critical for synaptic signaling.
These proteins contribute significantly to neuronal communication. Synapsin I participates in synaptic vesicle dynamics linking synaptic vesicles to the actin cytoskeleton. As part of a larger complex synaptophysin regulates synaptic vesicle fusion and neurotransmitter release. PSD95 is an essential component of the postsynaptic density complex interacting with NMDA receptors and ensuring receptor clustering at synaptic junctions. VAMP2 is involved in the SNARE complex which is pivotal for the fusion of synaptic vesicles with the presynaptic membrane facilitating neurotransmitter release into the synaptic cleft.
These proteins integrate into critical synaptic and signaling pathways. Synapsin I influences the regulation of synaptic vesicle pools affecting the availability of neurotransmitters for release during signaling. In the SNARE complex VAMP2 interacts with SNAP-25 and syntaxin to mediate vesicle docking and fusion. Synaptophysin and PSD95 have roles in the glutamatergic synapse pathway cooperating with other proteins to modulate synaptic strength and plasticity. These interactions help maintain synaptic efficiency vital for cognitive processing and neuroplasticity.
These synaptic proteins are linked to neurological and psychiatric conditions. Synapsin I aligns with epilepsy where its dysfunction may lead to altered synaptic activity and uncontrolled neuronal firing. Synaptophysin abnormalities associate with schizophrenia possibly through disrupted neurotransmitter release or altered vesicle cycling. PSD95 correlations with Alzheimer’s disease arise due to its connection with amyloid-beta and synaptic degradation. VAMP2 plays a role in these disorders through its participation in synaptic vesicle trafficking and neurotransmitter release mechanisms. These proteins are focal points in understanding and targeting these neurological conditions.
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Full details and terms and conditions can be found here:
Terms & Conditions.
Immunohistochemical staining of paraffin embedded human pancreas with purified Anti-Synaptophysin antibody [YE269] - Synaptic Marker ab32127 at a dilution of 1/400.
A pre-diluted HRP polymer for rabbit/mouse IgG was used as the secondary antibody and the sample was counterstained with hematoxylin. Antigen retrieval was perfomed using Tris-EDTA buffer, pH 9.0.
PBS was used instead of the primary antibody as the negative control, and is shown in the inset.
Synapsin-1 was immunoprecipitated from 0.35 mg Mouse brain tissue lysate with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/30 dilution (2ug in 0.35mg lysates). Western blot was performed on the immunoprecipitate using Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP)(VeriBlot for IP Detection Reagent (HRP) ab131366) was used at 1/1000 dilution.
Lane 1: Mouse brain tissue lysate 10 ug
Lane 2: Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 IP in Mouse brain tissue lysate
Lane 3: Rabbit monoclonal IgG (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730) instead of Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 in mouse brain tissue lysate
Blocking and dilution buffer and concentration: 5% NFDM/TBST.
Exposure time: 1 second.
Observed band: 70/75 kDa
Lane 1: Wild-type SH-SY5Y cell lysate, 20 ug
Lane 2: DLG4 knockout SH-SY5Y cell lysate, 20 ug
Lane 3: HeLa cell lysate, 20 ug
Lane 4: HL-60 cell lysate, 20 ug
Anti-PSD95 antibody [EPR23124-118] - Synaptic Marker ab238135 was shown to react with PSD95 in wild-type SH-SY5Y cells in Western blot with loss of signal observed in DLG4 knockout cell line Human PSD95 knockout SH-SY5Y cell line ab280043 (DLG4 knockout cell lysate Human PSD95 knockout SH-SY5Y cell lysate ab280102). Wild-type SH-SY5Y and DLG4 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 3 % milk in TBS-T (0.1 % Tween®) before incubation with Anti-PSD95 antibody [EPR23124-118] - Synaptic Marker ab238135 and Anti-GAPDH antibody [6C5] - Loading Control ab8245 (Mouse anti-GAPDH antibody [6C5]) overnight at 4 °C at a 1 in 2000 dilution and a 1 in 20000 dilution respectively. Blots were incubated with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed ab216776) secondary antibodies at 1 in 20000 dilution for 1 h at room temperature before imaging.
Immunohistochemical analysis of paraffin-embedded Human hippocampus tissue labeling Synapsin-1 with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/1000 dilution followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Cytoplasmic staining in human hippocampus (PMID: 22900032). The section was incubated with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval with Citrate buffer (pH 6.0, epitope retrieval solution 1) for 20 mins.
Anti-VAMP2 antibody [EPR12790] ab181869 staining VAMP2 in U87-MG (human glioblastoma) cells by ICC/IF (Immunocytochemistry/immunofluorescence). Cells were fixed with 100% methanol. Samples were incubated with primary antibody at a dilution of 1/500. A goat anti rabbit IgG (Alexa Fluor® 488) (Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077) was used as the secondary antibody at a dilution of 1/1000. DAPI was used as a nuclear counterstain.
Negative control 1:PBS only.
Blocking and diluting buffer and concentration: 5% NFDM/TBST.
This blot was developed using a higher sensitivity ECL substrate.
Exposure time: 15 seconds.
Observed band: 75/70 kDa
Immunohistochemical analysis of 4% PFA-fixed, 0.2% Triton X-100 permeabilized frozen Mouse retina tissue labeling Synapsin-1 with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/100 dilution followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) at 1/1000 (2 ug/ml) dilution (Green). Positive staining on mouse retina is observed. The nuclear counterstain was DAPI (Blue).
Secondary antibody control: Secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) at 1/1000 (2 ug/ml) dilution.
Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20).
Intracellular flow cytometric analysis of 4% paraformaldehyde-fixed, 0.1% Tween-20 permeabilized Mouse primary brain cells cells labelling Synapsin-1 with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/50 dilution (1ug) (Right) compared with a Rabbit monoclonal IgG (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730) isotype control (Left). A Goat anti rabbit IgG (Alexa Fluor® 488, Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077) at 1/2000 dilution was used as the secondary antibody.
Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized mouse primary neuron cells labelling Synapsin-1 with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) antibody at 1/1000 dilution (Green). Confocal image showing positive staining in mouse primary neuron. Confocal scanning Z step was set as 0.3 μm followed by image processing with maximum Z projection. Anti-MAP2 antibody [HM-2] - Neuronal Marker ab11267 Anti-MAP2 mouse monoclonal antibody was used to counterstain MAP2 at 1/500 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120 Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) at 1/1000 dilution (Red). The Nuclear counterstain was DAPI (Blue).
-ve control 1: Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/500 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120 Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) at 1/1000 dilution.
-ve control 2: Anti-MAP2 antibody [HM-2] - Neuronal Marker ab11267 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) antibody at 1/1000 dilution.
Anti-VAMP2 antibody [EPR12790] (Anti-VAMP2 antibody [EPR12790] ab181869) at 1/50000 dilution (purified) + Mouse brain lysate at 10 μg
Secondary
Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/100000 dilution (Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated)
Predicted band size: 13 kDa
Blocking buffer and concentration: 5% NFDM/TBST.
Diluting buffer and concentration: 5% NFDM /TBST.
All lanes: Western blot - Anti-VAMP2 antibody [EPR12790] (Anti-VAMP2 antibody [EPR12790] ab181869) at 1/50000 dilution
All lanes: Mouse brain lysate at 10 µg
All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/100000 dilution
Predicted band size: 13 kDa, 36 kDa
Immunocytochemical analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized PC-12 (Rat adrenal gland pheochromocytoma) cells labeling Synaptophysin with Anti-Synaptophysin antibody [EP1098Y] - Synaptic Marker ab52636 at 1/250 dilution followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077) secondary antibody at 1/1000 dilution (green).
Confocal image showing cytoplasmic staining in PC-12 cell line.
The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) (Alexa Fluor® 594 Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker ab195889) (red) at 1/200 dilution.
Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077) secondary antibody at 1/1000 dilution.
Immunohistochemical analysis of 4% PFA-fixed, 0.2% Triton X-100 permeabilized frozen Mouse cerebrum tissue labeling Synapsin-1 with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/100 dilution followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) at 1/1000 (2 ug/ml) dilution (Green). Positive staining on mouse cerebrum is observed. The nuclear counterstain was DAPI (Blue).
Secondary antibody control: Secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) at 1/1000 (2 ug/ml) dilution.
Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20).
Lane 1 : Human brain tissue lysate - total protein (ab29466)
Lane 2 : Brain (Mouse) Tissue Lysate
Lane 3 : Brain (Rat) Tissue Lysate
Lane 4 : Human Cerebral Cortex Tissue Lysate
Lysates/proteins at 10 μg per lane.
Secondary
All lanes : Goat polyclonal to Mouse IgG - H&L - Pre-Adsorbed (HRP) at 1/5000 dilution
Developed using the ECL technique.
Performed under reducing conditions.
Predicted band size: 80 kDa
Observed band size: 80,95 kDa
Exposure time: 30 seconds
All lanes: Western blot - Anti-PSD95 antibody [K28/43] - Synaptic Marker (Anti-PSD95 antibody [K28/43] - Synaptic Marker ab192757) at 1 µg/mL
Lane 1: Human brain tissue lysate - total protein (ab29466) at 10 µg
Lane 2: Brain (Mouse) Tissue Lysate at 10 µg
Lane 3: Brain (Rat) Tissue Lysate at 10 µg
Lane 4: Human Cerebral Cortex Tissue Lysate at 10 µg
All lanes: Goat polyclonal to Mouse IgG - H&L - Pre-Adsorbed (HRP) at 1/5000 dilution
Developed using the ECL technique.
Performed under reducing conditions.
Predicted band size: 80 kDa
Observed band size: 80 kDa, 95 kDa
Exposure time: 30s
Western blotting with Anti-PSD95 antibody [EPR23124-118] - Synaptic Marker ab238135 at 1/2000 dilution. Goat Anti-Rabbit IgG H&L (HRP) ab97051 was used as a secondary at 1/100000 dilution.
Lane 1: Mouse brain lysate 20 μg
Lane 2: Mouse cerebellum lysate 20 μg
Lane 3: Rat brain lysate 20 μg
Blocking and diluting buffer and concentration: 5% NFDM/TBST
The molecular weight observed is consistent with what has been described in the literature (PMID: 20118925).
Exposure time: 15 seconds
Observed band: 75 and 100 kDa
Immunohistochemical analysis of paraffin-embedded Mouse pancreas tissue labeling Synapsin-1 with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 at 1/1000 dilution followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Cytoplasmic staining in mouse pancreatic islets (PMID: 22334712). The section was incubated with Anti-Synapsin I antibody [EPR23531-50] - Synaptic Marker ab254349 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval with Citrate buffer (pH 6.0, epitope retrieval solution 1) for 20 mins.
Immunohistochemical staining of paraffin embedded mouse cerebral cortex with purified Anti-Synaptophysin antibody [YE269] - Synaptic Marker ab32127 at a dilution of 1/400.
A pre-diluted HRP polymer for rabbit/mouse IgG was used as the secondary antibody and the sample was counterstained with hematoxylin. Antigen retrieval was perfomed using Tris-EDTA buffer, pH 9.0.
PBS was used instead of the primary antibody as the negative control, and is shown in the inset.
Western blotting with Anti-PSD95 antibody [EPR23124-118] - Synaptic Marker ab238135 at 1/2000 dilution. VeriBlot for IP Detection Reagent (HRP) ab131366 was used as a secondary at 1/1000 dilution.
Lane 1: Human cerebellum lysate, 20 ug
Lane 2: Human brain lysate, 20 ug
Blocking and diluting buffer and concentration: 5% NFDM/TBST
The molecular weight observed is consistent with what has been described in the literature (PMID: 20118925)
Exposure time: 48 seconds
Observed band: 75 and 100 kDa
IHC image of PSD95 [K28/43] staining in Human normal cerebral cortex formalin fixed paraffin embedded tissue section*, performed on a Leica Bond™ system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval (EDTA based pH 9.0 solution, epitope retrieval solution 2) for 20 mins. The section was then incubated with Anti-PSD95 antibody [K28/43] - Synaptic Marker ab192757, 0.05μg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
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