Date published: 2025-10-8

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SYP/Synaptophysin Antibody (D-4): sc-17750

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Datasheets
  • SYP/Synaptophysin Antibody (D-4) is a mouse monoclonal IgG1 κ SYP/Synaptophysin antibody, cited in 177 publications, provided at 200 µg/ml
  • raised against amino acids 221-313 of SYP of human origin
  • SYP/Synaptophysin Antibody (D-4) is recommended for detection of SYP of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-SYP/Synaptophysin Antibody (D-4) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for SYP/Synaptophysin Antibody (D-4) for WB and IHC(P) applications. These reagents are now offered in bundles with SYP/Synaptophysin Antibody (D-4) (see ordering information below).

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SYP Antibody (D-4) is a mouse monoclonal IgG1 kappa light chain antibody that detects synaptophysin (SYP) in mouse, rat, and human samples through western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). Anti-SYP antibody (D-4) is available in non-conjugated and multiple conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and various Alexa Fluor® conjugates. Synaptophysin is an integral membrane protein found mainly in neurons and endocrine cells, playing a vital role in synaptic vesicle formation and recycling. SYP features N-glycosylation and forms hexameric complexes that contribute to large conductance channel formation. SYP contains four transmembrane domains and functions similarly to gap junctions for cell-to-cell communication. Membrane cholesterol specifically interacts with SYP, influencing vesicle formation and dynamics. Synaptobrevin (VAMP) forms a complex with SYP that increases during neuronal development, though not essential for exocytosis. Brain myosin V′s tail domain creates a stable complex with synaptobrevin II and SYP, which dissociates upon calcium influx during depolarization, demonstrating dynamic protein interactions in synaptic function.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

SYP/Synaptophysin Antibody (D-4) References:

  1. The synaptophysin-synaptobrevin complex: a hallmark of synaptic vesicle maturation.  |  Becher, A., et al. 1999. J Neurosci. 19: 1922-31. PMID: 10066245
  2. Lipids, lipid modification and lipid-protein interaction in membrane budding and fission--insights from the roles of endophilin A1 and synaptophysin in synaptic vesicle endocytosis.  |  Huttner, WB. and Schmidt, A. 2000. Curr Opin Neurobiol. 10: 543-51. PMID: 11084315
  3. Endocytosis of the synaptic vesicle protein, synaptophysin, requires the COOH-terminal tail.  |  Linstedt, AD. and Kelly, RB. 1991. J Physiol (Paris). 85: 90-6. PMID: 1757893
  4. Torpedo synaptophysin: evolution of a synaptic vesicle protein.  |  Cowan, D., et al. 1990. Brain Res. 509: 1-7. PMID: 2106365
  5. Adverse effects of SYP-3343 on zebrafish development via ROS-mediated mitochondrial dysfunction.  |  Chen, G., et al. 2022. J Hazard Mater. 437: 129382. PMID: 35749898
  6. Imp and Syp mediated temporal patterning of neural stem cells in the developing Drosophila CNS.  |  Islam, IM. and Erclik, T. 2022. Genetics. 222: PMID: 35881070
  7. Circ-Vps41 positively modulates Syp and its overexpression improves memory ability in aging mice.  |  Li, Y., et al. 2022. Front Mol Neurosci. 15: 1037912. PMID: 36533129
  8. SYP-3343 drives abnormal vascularization in zebrafish through regulating endothelial cell behavior.  |  Chen, G., et al. 2023. Food Chem Toxicol. 174: 113671. PMID: 36796616
  9. The role of Imp and Syp RNA-binding proteins in precise neuronal elimination by apoptosis through the regulation of transcription factors.  |  Guan, W., et al. 2024. Elife. 12: PMID: 39364747
  10. Vesicle-associated membrane protein and synaptophysin are associated on the synaptic vesicle.  |  Calakos, N. and Scheller, RH. 1994. J Biol Chem. 269: 24534-7. PMID: 7929121
  11. Synthesis of the mammalian synaptic vesicle protein synaptophysin in insect cells: a model for vesicle biogenesis.  |  Leimer, U., et al. 1996. Exp Cell Res. 224: 88-95. PMID: 8612696
  12. Brain myosin V is a synaptic vesicle-associated motor protein: evidence for a Ca2+-dependent interaction with the synaptobrevin-synaptophysin complex.  |  Prekeris, R. and Terrian, DM. 1997. J Cell Biol. 137: 1589-601. PMID: 9199173

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

SYP/Synaptophysin Antibody (D-4)

sc-17750
200 µg/ml
$316.00

SYP/Synaptophysin Antibody (D-4): m-IgG Fc BP-HRP Bundle

sc-528294
200 µg Ab; 10 µg BP
$354.00

SYP/Synaptophysin Antibody (D-4): m-IgGκ BP-HRP Bundle

sc-520635
200 µg Ab, 40 µg BP
$354.00

SYP/Synaptophysin Antibody (D-4): m-IgG1 BP-HRP Bundle

sc-542855
200 µg Ab; 20 µg BP
$354.00

SYP/Synaptophysin Antibody (D-4) AC

sc-17750 AC
500 µg/ml, 25% agarose
$416.00

SYP/Synaptophysin Antibody (D-4) HRP

sc-17750 HRP
200 µg/ml
$316.00

SYP/Synaptophysin Antibody (D-4) FITC

sc-17750 FITC
200 µg/ml
$330.00

SYP/Synaptophysin Antibody (D-4) PE

sc-17750 PE
200 µg/ml
$343.00

SYP/Synaptophysin Antibody (D-4) Alexa Fluor® 488

sc-17750 AF488
200 µg/ml
$357.00

SYP/Synaptophysin Antibody (D-4) Alexa Fluor® 546

sc-17750 AF546
200 µg/ml
$357.00

SYP/Synaptophysin Antibody (D-4) Alexa Fluor® 594

sc-17750 AF594
200 µg/ml
$357.00

SYP/Synaptophysin Antibody (D-4) Alexa Fluor® 647

sc-17750 AF647
200 µg/ml
$357.00

SYP/Synaptophysin Antibody (D-4) Alexa Fluor® 680

sc-17750 AF680
200 µg/ml
$357.00

SYP/Synaptophysin Antibody (D-4) Alexa Fluor® 790

sc-17750 AF790
200 µg/ml
$357.00

We used the SYP(D-4) with the mouse IgG binding protein (488) on fixed mouse brains but did not see any signal. What can you recommend? Do we need a specific antigen retrieval step for this antibody or should we try traditional secondary antibodies?

Asked by: racsumbr
Thank you for your question. You can find the recommended IHC protocol on this link: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining Please contact Technical Service by phone, (800)-457-3801 option 2, email <scbt@scbt.com>, or by live chat directly on our website, www.scbt.com, and we would be happy to help you troubleshoot the antibody!
Answered by: Tech Service
Date published: 2017-09-21

Can you recommend a positive control to use with SYP (D-4): sc-17750 monoclonal antibody for Western blot?

Asked by: jenniferc
We recommend IMR-32 (sc-2409) or MDA-MB-231 (sc-2232) whole cell lysate, rat brain extract (sc-2392) or mouse brain extract (sc-2253). whole cell lysates to use as positive controls as we have Western blot data showing specific detection of SYP in these cell lines.
Answered by: Technical Support 9
Date published: 2017-01-11

What secondary is best to use with SYP (D-4): sc-17750 monoclonal antibody?

Asked by: jenniferc
Thank you for your question. While most anti-mouse IgG secondary antibodies are appropriate for use with SYP (D-4): sc-17750, we recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Technical Support 9
Date published: 2017-01-11
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Rated 5 out of 5 by from Clear signal for Western blot analysisThis antibody works nicely in Western blot. It gives a strong and specific signal corresponding to the expected molecular weight in both murine and human differentiated neuroblastoma cell lines. Antibody dilution 1:1.000, overnight incubation at 4°C in TBST + 5% no-fat dry milk.
Date published: 2021-12-12
Rated 5 out of 5 by from 蛍光抗体法に使える1:200で希釈して1ug/mlにしてマウスのneuroblastomaを染色すると細胞内の小胞が見えました。
Date published: 2021-06-15
Rated 3 out of 5 by from bisogna utilizzarlo molto concentratoSC-17750-SAMPLE Anticorpo SYP (D-4) L'anticorpo rivela la banda desiderata (western blot) solo se utilizzato alla diluzione di 1:200 in BSA 1%. In altri modi non funziona in cellule che si differenziano verso il fenotipo neuroendocrino, non cellule neuronali. Il secondario, invece, era utilizzato alla concentrazione di 1:2000 in milk al 3%
Date published: 2020-11-09
Rated 5 out of 5 by from Ottimo funzionamento in WBHo testato l'anticorpo in WB contro lisati di neuroni ippocampali in coltura e ottenuto ottimi risultati.
Date published: 2020-02-25
Rated 5 out of 5 by from Western blot of synaptophysinGood Western blot data of synaptophysin (SYP) expression in rat hippocampal brain tissue. Specific band at 1:200 dilution.
Date published: 2019-08-13
Rated 5 out of 5 by from Remarkable effectThis is a very good antibody than I bought from other companies. I used to tried many different samples, but its a wast of time. thanks to santa, thanks for your good products. You should try your best to provide more antibodies of high quality like this to us researchers.
Date published: 2019-02-20
Rated 5 out of 5 by from ReccommendedWorks great on neuronal cell line samples in WB and ICC. Staining is highly specific in both applications.
Date published: 2018-05-23
Rated 5 out of 5 by from Excellent antibodyIt is highly sensitive at 1-1000 dilution and shows no non-specific bands.
Date published: 2018-05-02
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SYP/Synaptophysin Antibody (D-4) is rated 4.7 out of 5 by 29.
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