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Human Gamma-secretase-activating protein (PION) ELISA Kit (HUEB2157)

SKU:
HUEB2157
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
A4D1B5
Range:
1.56-100 ng/mL
ELISA Type:
Sandwich
Synonyms:
PION, GSAP, Protein pigeon homolog
Reactivity:
Human
$779
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Description

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Human Gamma-secretase-activating protein (PION) ELISA Kit

The Human Gamma Secretase Activating Protein (PION) ELISA Kit is a reliable and accurate tool for detecting levels of gamma secretase activating protein in human samples such as serum, plasma, and cell culture supernatants. With its high sensitivity and specificity, this kit provides precise results for research applications related to gamma secretase activation.Gamma secretase activating protein plays a crucial role in the regulation of gamma secretase activity, which is involved in the processing of various integral membrane proteins. Dysfunction of this protein has been implicated in various diseases, including Alzheimer's disease and cancer.

By studying levels of gamma secretase activating protein, researchers can gain insight into the mechanisms underlying these diseases and potentially discover new therapeutic targets.Overall, the Human Gamma Secretase Activating Protein (PION) ELISA Kit offers a valuable tool for researchers seeking to explore the role of gamma secretase activating protein in health and disease, with the potential to drive advancements in the development of novel treatment strategies.

Product Name:Human Gamma-secretase-activating protein (PION) ELISA Kit
SKU:HUEB2157
Size:96T
Target:Human Gamma-secretase-activating protein (PION)
Synonyms:Protein pigeon homolog, GSAP, PION
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:1.56-100ng/mL
Sensitivity:0.78ng/mL
Intra CV:6.5%
Inter CV:11.6%
Linearity:
Sample1:21:41:81:16
Serum(N=5)89-101%107-116%85-93%94-103%
EDTA Plasma(N=5)107-117%93-102%105-117%98-108%
Heparin Plasma(N=5)94-103%86-95%95-105%108-119%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum111105-117
Plasma113107-119
Function:Regulator of gamma-secretase activity, which specifically activates the production of beta-amyloid protein (beta-amyloid protein 40 and beta-amyloid protein 42), without affecting the cleavage of other gamma-secretase targets such has Notch. The gamma-secretase complex is an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch receptors and APP (beta-amyloid precursor protein). Specifically promotes the gamma-cleavage of APP CTF-alpha (also named APP-CTF) by the gamma-secretase complex to generate beta-amyloid, while it reduces the epsilon-cleavage of APP CTF-alpha, leading to a low production of AICD.
Uniprot:A4D1B5
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human Gamma-secretase-activating protein
Sub Unit:Interacts with APP; specifically interacts with the CTF-alpha product of APP. Interacts with the gamma-secretase complex.
Research Area:Neurosciences
Subcellular Location:Golgi apparatus Trans-Golgi network
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:GSAP: Regulator of gamma-secretase activity, which specifically activates the production of beta-amyloid protein (beta-amyloid protein 40 and beta-amyloid protein 42), without affecting the cleavage of other gamma-secretase targets such has Notch. The gamma-secretase complex is an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch receptors and APP (beta-amyloid precursor protein). Specifically promotes the gamma-cleavage of APP CTF-alpha (also named APP-CTF) by the gamma-secretase complex to generate beta- amyloid, while it reduces the epsilon-cleavage of APP CTF-alpha, leading to a low production of AICD. Belongs to the GSAP family. 4 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:Activator

Chromosomal Location of Human Ortholog: 7q11.23

Cellular Component: trans-Golgi network

Molecular Function:beta-amyloid binding

Biological Process: regulation of proteolysis

NCBI Summary:Accumulation of neurotoxic amyloid-beta is a major hallmark of Alzheimer disease (AD; MIM 104300). Formation of amyloid-beta is catalyzed by gamma-secretase (see PSEN1; MIM 104311), a protease with numerous substrates. PION, or GSAP, selectively increases amyloid-beta production through a mechanism involving its interaction with both gamma-secretase and its substrate, the amyloid-beta precursor protein (APP; MIM 104760) C-terminal fragment (APP-CTF) (He et al., 2010 [PubMed 20811458]).[supplied by OMIM, Nov 2010]
UniProt Code:A4D1B5
NCBI GenInfo Identifier:189041192
NCBI Gene ID:54103
NCBI Accession:A4D1B5.2
UniProt Secondary Accession:A4D1B5,Q3MJC0, Q8ND73, Q9UMH3, Q9Y4L9, A4D1B6,
UniProt Related Accession:A4D1B5
Molecular Weight:28,563 Da
NCBI Full Name:Gamma-secretase-activating protein
NCBI Synonym Full Names:gamma-secretase activating protein
NCBI Official Symbol:GSAP
NCBI Official Synonym Symbols:PION
NCBI Protein Information:gamma-secretase-activating protein
UniProt Protein Name:Gamma-secretase-activating protein
UniProt Synonym Protein Names:Protein pigeon homolog
Protein Family:Gamma-secretase-activating protein
UniProt Gene Name:GSAP
UniProt Entry Name:GSAP_HUMAN
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 4°C
Plate Sealer 5 -

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir

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

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample Type Protocol
Serum If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.
Plasma Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal Fluid Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatant Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysates Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenates The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysates Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast Milk Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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