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Human Sodium/calcium exchanger 1 (SLC8A1) ELISA Kit (HUEB0575)

SKU:
HUEB0575
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P32418
Range:
0.156-10 ng/mL
ELISA Type:
Sandwich
Synonyms:
SLC8A1, CNC, NCX1, Sodium, calcium exchanger 1, Solute carrier family 8 member 1
Reactivity:
Human
€649
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Description

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Human Sodium/calcium exchanger 1 (SLC8A1) ELISA Kit

The Human Sodium Calcium Exchanger 1 (SLC8A1) ELISA Kit is a powerful tool for accurately measuring the levels of SLC8A1 in human samples including serum, plasma, and cell culture supernatants. With its high sensitivity and specificity, this kit provides dependable and consistent results, making it an invaluable resource for a variety of research applications.The SLC8A1 protein is a critical component involved in ion transport, particularly in the regulation of sodium and calcium levels within cells.

Dysregulation of SLC8A1 has been linked to various diseases including cardiovascular disorders, neurological conditions, and metabolic syndromes, highlighting its importance as a potential biomarker for studying and treating these ailments.By utilizing the Human Sodium Calcium Exchanger 1 ELISA Kit, researchers can gain valuable insights into the role of SLC8A1 in disease pathogenesis and progression, ultimately paving the way for the development of novel therapeutic interventions.

Product Name:Human Sodium/calcium exchanger 1 (SLC8A1) ELISA Kit
SKU:HUEB0575
Size:96T
Target:Human Sodium/calcium exchanger 1 (SLC8A1)
Synonyms:Na(+)/Ca(2+)-exchange protein 1, Solute carrier family 8 member 1, CNC, NCX1
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:0.156-10ng/mL
Sensitivity:0.078ng/mL
Intra CV:4.6%
Inter CV:8.4%
Linearity:
Sample1:21:41:81:16
Serum(N=5)109-117%97-105%95-104%91-104%
EDTA Plasma(N=5)101-109%99-107%103-113%86-96%
Heparin Plasma(N=5)96-105%98-106%102-112%101-110%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum9589-101
Plasma9791-103
Function:Mediates the exchange of one Ca(2+) ion against three to four Na(+) ions across the cell membrane, and thereby contributes to the regulation of cytoplasmic Ca(2+) levels and Ca(2+)-dependent cellular processes (PubMed:1374913, PubMed:11241183, PubMed:1476165). Contributes to Ca(2+) transport during excitation-contraction coupling in muscle. In a first phase, voltage-gated channels mediate the rapid increase of cytoplasmic Ca(2+) levels due to release of Ca(2+) stores from the endoplasmic reticulum. SLC8A1 mediates the export of Ca(2+) from the cell during the next phase, so that cytoplasmic Ca(2+) levels rapidly return to baseline. Required for normal embryonic heart development and the onset of heart contractions.
Uniprot:P32418
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human Sodium/calcium exchanger 1
Research Area:Cardiovascular
Subcellular Location:Cell membrane Multi-pass membrane protein
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:NCX1: Rapidly transports Ca(2+) during excitation-contraction coupling. Ca(2+) is extruded from the cell during relaxation so as to prevent overloading of intracellular stores. Belongs to the sodium/potassium/calcium exchanger family. SLC8 subfamily. 4 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:Motility/polarity/chemotaxis; Membrane protein, multi-pass; Transporter, SLC family; Membrane protein, integral; Transporter

Chromosomal Location of Human Ortholog: 2p22.1

Cellular Component: integral to plasma membrane; plasma membrane; sarcolemma; T-tubule; Z disc

Molecular Function:ankyrin binding; calcium ion binding; calcium:sodium antiporter activity; cytoskeletal protein binding; protein binding

Biological Process: calcium ion homeostasis; cardiac muscle cell development; cardiac muscle contraction; cellular sodium ion homeostasis; ion transport; muscle contraction; positive regulation of bone mineralization; reduction of cytosolic calcium ion concentration; regulation of heart rate; regulation of the force of heart contraction; vascular smooth muscle contraction

NCBI Summary:In cardiac myocytes, Ca(2+) concentrations alternate between high levels during contraction and low levels during relaxation. The increase in Ca(2+) concentration during contraction is primarily due to release of Ca(2+) from intracellular stores. However, some Ca(2+) also enters the cell through the sarcolemma (plasma membrane). During relaxation, Ca(2+) is sequestered within the intracellular stores. To prevent overloading of intracellular stores, the Ca(2+) that entered across the sarcolemma must be extruded from the cell. The Na(+)-Ca(2+) exchanger is the primary mechanism by which the Ca(2+) is extruded from the cell during relaxation. In the heart, the exchanger may play a key role in digitalis action. The exchanger is the dominant mechanism in returning the cardiac myocyte to its resting state following excitation.[supplied by OMIM, Apr 2004]
UniProt Code:P32418
NCBI GenInfo Identifier:12644210
NCBI Gene ID:6546
NCBI Accession:P32418.3
UniProt Secondary Accession:P32418,O95849, Q4QQG6, Q587I6, Q59GN4, Q9UBL8, Q9UD55 Q9UDN1, Q9UDN2, Q9UKX6, A8K6N1, D6W595,
UniProt Related Accession:P32418
Molecular Weight:107,938 Da
NCBI Full Name:Sodium/calcium exchanger 1
NCBI Synonym Full Names:solute carrier family 8 member A1
NCBI Official Symbol:SLC8A1
NCBI Official Synonym Symbols:NCX1
NCBI Protein Information:sodium/calcium exchanger 1
UniProt Protein Name:Sodium/calcium exchanger 1
UniProt Synonym Protein Names:Na(+)/Ca(2+)-exchange protein 1; Solute carrier family 8 member 1
Protein Family:Sodium/calcium exchanger
UniProt Gene Name:SLC8A1
UniProt Entry Name:NAC1_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.
ELISA
Human SLC8A1 / Sodium / calcium exchanger 1 ELISA Kit

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