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Synaptotagmin (Phospho-Ser309) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB01225
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Developmental Biology
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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Synaptotagmin (Phospho-Ser309)Colorimetric Cell-Based ELISA Kit

The Synaptotagmin Phospho-Ser309 Colorimetric Cell-Based ELISA Kit is a cutting-edge tool for the precise measurement of phosphorylated Synaptotagmin levels in cell lysates. This innovative kit offers unparalleled sensitivity and specificity, ensuring reliable and accurate results for a variety of research applications.Synaptotagmin is a critical protein involved in synaptic vesicle fusion and neurotransmitter release, playing a crucial role in neuronal communication and function. Phosphorylation of Synaptotagmin at Ser309 is known to modulate its function and impact synaptic transmission, making it a key target for studying neurological disorders and synaptic dysfunction.

With the Synaptotagmin Phospho-Ser309 Colorimetric Cell-Based ELISA Kit, researchers can explore the intricate mechanisms underlying synaptic function and dysfunction, paving the way for new insights into neurological diseases and potential therapeutic interventions. Trust in this advanced ELISA kit to deliver precise and reproducible results, empowering your research endeavors in the field of neuroscience.

Product Name:Synaptotagmin (Phospho-Ser309) Colorimetric Cell-Based ELISA
Product Code:CBCAB01225
ELISA Type:Cell-Based
Target:Synaptotagmin (Phospho-Ser309)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The Synaptotagmin (Phospho-Ser309) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Synaptotagmin protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated Synaptotagmin in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on Synaptotagmin phosphorylation.

Qualitative determination of Synaptotagmin (Phospho-Ser309) concentration is achieved by an indirect ELISA format. In essence, Synaptotagmin (Phospho-Ser309) is captured by Synaptotagmin (Phospho-Ser309)-specific primary antibodies while the HRP-conjugated secondary antibodies bind the Fc region of the primary antibody. Through this binding, the HRP enzyme conjugated to the secondary antibody can catalyze a colorimetric reaction upon substrate addition. Due to the qualitative nature of the Cell-Based ELISA, multiple normalization methods are needed:

1. A monoclonal antibody specific for human GAPDH is included to serve as an internal positive control in normalizing the target absorbance values.
2. Following the colorimetric measurement of HRP activity via substrate addition, the Crystal Violet whole-cell staining method may be used to determine cell density. After staining, the results can be analysed by normalizing the absorbance values to cell amounts, by which the plating difference can be adjusted.
Database Information:Gene ID: 6857/127833, UniProt ID: P21579/Q8N9I0, OMIM: 185605/600104, Unigene: Hs.310545/Hs.585015
Gene Symbol:SYT1/SYT2
Sub Type:Phospho
UniProt Protein Function:SYT1: an integral membrane protein of synaptic vesicles thought to serve as a Ca(2+) sensor in the process of vesicular trafficking and exocytosis. Calcium binding to synaptotagmin I participates in triggering neurotransmitter release at the synapse. Binds acidic phospholipids with a specificity that requires the presence of both an acidic head group and a diacyl backbone. A Ca(2+)-dependent interaction between synaptotagmin and putative receptors for activated protein kinase C has also been reported. It can bind to at least three additional proteins in a Ca(2+)-independent manner; these are neurexins, syntaxin and AP2.
UniProt Protein Details:

Protein type:Membrane protein, integral; Vesicle; Calcium-binding

Chromosomal Location of Human Ortholog: 12cen-q21

Cellular Component: neuron projection; plasma membrane; synaptic vesicle; synaptic vesicle membrane

Molecular Function:calcium ion binding; calcium-dependent phospholipid binding; clathrin binding; low-density lipoprotein receptor binding; phosphatidylinositol binding; phosphatidylinositol-4,5-bisphosphate binding; protein binding; SNARE binding; syntaxin-1 binding

Biological Process: calcium ion-dependent exocytosis of neurotransmitter; detection of calcium ion; glutamate secretion; neurotransmitter secretion; positive regulation of synaptic transmission; protein homooligomerization; regulation of calcium ion-dependent exocytosis; regulation of exocytosis; regulation of synaptic transmission, glutamatergic; synaptic transmission; synaptic vesicle endocytosis; vesicle fusion

NCBI Summary:The synaptotagmins are integral membrane proteins of synaptic vesicles thought to serve as Ca(2+) sensors in the process of vesicular trafficking and exocytosis. Calcium binding to synaptotagmin-1 participates in triggering neurotransmitter release at the synapse (Fernandez-Chacon et al., 2001 [PubMed 11242035]).[supplied by OMIM, Jul 2010]
UniProt Code:P21579
NCBI GenInfo Identifier:135086
NCBI Gene ID:6857
NCBI Accession:P21579.1
UniProt Secondary Accession:P21579,Q6AI31,
UniProt Related Accession:P21579
Molecular Weight:47,573 Da
NCBI Full Name:Synaptotagmin-1
NCBI Synonym Full Names:synaptotagmin 1
NCBI Official Symbol:SYT1  
NCBI Official Synonym Symbols:P65; SYT; SVP65  
NCBI Protein Information:synaptotagmin-1
UniProt Protein Name:Synaptotagmin-1
UniProt Synonym Protein Names:Synaptotagmin I; SytI; p65
Protein Family:Synaptotagmin
UniProt Gene Name:SYT1  
UniProt Entry Name:SYT1_HUMAN
ComponentQuantity
96-Well Cell Culture Clear-Bottom Microplate2 plates
10X TBS24 mL
Quenching Buffer24 mL
Blocking Buffer50 mL
15X Wash Buffer50 mL
Primary Antibody Diluent12 mL
100x Anti-Phospho Target Antibody 60 µL
100x Anti-Target Antibody60 µL
Anti-GAPDH Antibody60 µL
HRP-Conjugated Anti-Rabbit IgG Antibody12 mL
HRP-Conjugated Anti-Mouse IgG Antibody12 mL
SDS Solution12 mL
Stop Solution24 mL
Ready-to-Use Substrate12 mL
Crystal Violet Solution12 mL
Adhesive Plate Seals2 seals

The following materials and/or equipment are NOT provided in this kit but are necessary to successfully conduct the experiment:

  • Microplate reader able to measure absorbance at 450 nm and/or 595 nm for Crystal Violet Cell Staining (Optional)
  • Micropipettes with capability of measuring volumes ranging from 1 µL to 1 ml
  • 37% formaldehyde (Sigma Cat# F-8775) or formaldehyde from other sources
  • Squirt bottle, manifold dispenser, multichannel pipette reservoir or automated microplate washer
  • Graph paper or computer software capable of generating or displaying logarithmic functions
  • Absorbent papers or vacuum aspirator
  • Test tubes or microfuge tubes capable of storing ≥1 ml
  • Poly-L-Lysine (Sigma Cat# P4832 for suspension cells)
  • Orbital shaker (optional)
  • Deionized or sterile water

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

StepProcedure
1.Seed 200 µL of 20,000 adherent cells in culture medium in each well of a 96-well plate. The plates included in the kit are sterile and treated for cell culture. For suspension cells and loosely attached cells, coat the plates with 100 µL of 10 µg/ml Poly-L-Lysine (not included) to each well of a 96-well plate for 30 minutes at 37°C prior to adding cells.
2.Incubate the cells for overnight at 37°C, 5% CO2.
3.Treat the cells as desired.
4.Remove the cell culture medium and rinse with 200 µL of 1x TBS, twice.
5.Fix the cells by incubating with 100 µL of Fixing Solution for 20 minutes at room temperature. The 4% formaldehyde is used for adherent cells and 8% formaldehyde is used for suspension cells and loosely attached cells.
6.Remove the Fixing Solution and wash the plate 3 times with 200 µL 1x Wash Buffer for five minutes each time with gentle shaking on the orbital shaker. The plate can be stored at 4°C for a week.
7.Add 100 µL of Quenching Buffer and incubate for 20 minutes at room temperature.
8.Wash the plate 3 times with 1x Wash Buffer for 5 minutes each time.
9.Add 200 µL of Blocking Buffer and incubate for 1 hour at room temperature.
10. Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
11.Add 50 µL of 1x primary antibodies Anti-Synaptotagmin (Phospho-Ser309) Antibody, Anti-Synaptotagmin Antibody and/or Anti-GAPDH Antibody) to the corresponding wells, cover with Parafilm and incubate for 16 hours (overnight) at 4°C. If the target expression is known to be high, incubate for 2 hours at room temperature.
12.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
13.Add 50 µL of 1x secondary antibodies (HRP-Conjugated AntiRabbit IgG Antibody or HRP-Conjugated Anti-Mouse IgG Antibody) to corresponding wells and incubate for 1.5 hours at room temperature.
14.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
15.Add 50 µL of Ready-to-Use Substrate to each well and incubate for 30 minutes at room temperature in the dark.
16.Add 50 µL of Stop Solution to each well and read OD at 450 nm immediately using the microplate reader.

(Additional Crystal Violet staining may be performed if desired – details of this may be found in the kit technical manual.)

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