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HumanGRP78(GlucoseRegulatedProtein78) ELISAKit

  • Cat.No.:E-EL-H5586

  • Reactivity: Human

To Purchase E-EL-H5586

Size:
  • 96T
  • 48T
  • 24T
  • 96T*5
  • 96T*10
Price: $609
Qty:

Product Details

Properties

Assay type Sandwich-ELISA
Format 96T/48T
Assay time 3.5h
Detection range 0.63-40 ng/mL
Sensitivity 0.38 ng/mL
Sample type &Sample volume serum, plasma and other biological fluids; 100μL
Specificity This kit recognizes Human GRP78 in samples. No significant cross-reactivity or interference between Human GRP78 and analogues was observed.
Reproducibility Both intra-CV and inter-CV are < 10%.
Application This ELISA kit applies to the in vitro quantitative determination of Human GRP78 concentrations in serum, plasma and other biological fluids.

Test Principle

This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human GRP78. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human GRP78 and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human GRP78, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human GRP78. You can calculate the concentration of Human GRP78 in the samples by comparing the OD of the samples to the standard curve.

Kit components & Storage

An unopened kit can be stored at 2-8℃ for 1 month. If the kit is not supposed to be used within 1 month, store the components separately according to the following conditions once the kit is received.
ItemSpecificationsStorage
Micro ELISA Plate(Dismountable) 96T: 8 wells ×12 strips
48T: 8 wells ×6 strips
-20℃, 6 months
Reference Standard 96T: 2 vials
48T: 1 vial
Concentrated Biotinylated Detection Ab (100×) 96T: 1 vial, 120 μL
48T: 1 vial, 60 μL
Concentrated HRP Conjugate (100×) 96T: 1 vial, 120 μL
48T: 1 vial, 60 μL
-20℃(Protect from light), 6 months
Reference Standard & Sample Diluent 1 vial, 20 mL 2-8°C, 6 months
Biotinylated Detection Ab Diluent 1 vial, 14 mL
HRP Conjugate Diluent 1 vial, 14 mL
Concentrated Wash Buffer (25×) 1 vial, 30 mL
Substrate Reagent 1 vial, 10 mL 2-8℃(Protect from light)
Stop Solution 1 vial, 10 mL 2-8°C
Plate Sealer 5 pieces
Manual 1 copy
Certificate of Analysis 1 copy

Technical Data

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human GRP78 were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human GRP78 were tested on 3 different plates, 20 replicates in each plate.

  Intra-assay Precision Inter-assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean (ng/mL) 1.99 4.19 19.92 2.04 4.48 18.55
Standard deviation 0.13 0.18 1.10 0.10 0.19 0.64
CV (%) 6.53 4.30 5.52 4.90 4.24 3.45

Recovery

The recovery of Human GRP78 spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.

Sample Type Range (%) Average Recovery (%)
Serum(n=8) 94-107 99
EDTA plasma (n=8) 89-102 96
Cell culture media (n=8) 88-103 95

Linearity

Samples were spiked with high concentrations of Human GRP78 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Database LinksSwissProt:   P11021
SynonymsHspa5
Research AreaCancer, Tags and Cell Markers

Assay Procedures

elisa assay procedure 1

1. Add 100μL standard or sample to the wells. Incubate for 90 min at 37°C

elisa assay procedure 2

2. Discard the liquid, immediately add 100μL Biotinylated Detection Ab working solution to each well. Incubate for 60 min at 37°C

elisa assay procedure 3

3. Aspirate and wash the plate for 3 times

elisa assay procedure 4

4. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times

elisa assay procedure 5

5. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C

elisa assay procedure 6

6. Add 50μL Stop Solution

elisa assay procedure 7

7. Read the plate at 450nm immediately. Calculation of the results

Citations

  1. Biology-Basel (2021) IF: 5.079
    Cellular Stress Pathways Are Linked to Acetamiprid-Induced Apoptosis in SH-SY5Y Neural Cells

    DOI: 10.3390/biology10090820

    Sample: SH-SY5Y cell
  2. JOURNAL OF BIOCHEMICAL AND MOLECULAR TOXICOLOGY (2022) IF: 3.652
    Zoledronic acid-induced oxidative damage and endoplasmic reticulum stress-mediated apoptosis in human embryonic kidney (HEK-293) cells

    DOI: 10.1002/jbt.23083

    PMID: 35587103

    Sample: HEK-293 cell
  3. AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY (2022) IF: 3.886
    Melatonin regulates proliferation, apoptosis and invasion of trophoblasts in preeclampsia by inhibiting endoplasmic reticulum stress

    DOI: 10.1111/aji.13585

    PMID: 35716034

    Sample: serum
  4. MYCOPATHOLOGIA (2022) IF: 2.574
    Serum glucose-regulated protein 78 (GRP78) levels in COVID-19-associated mucormycosis: results of a case–control study

    DOI: 10.1007/s11046-022-00645-6

    Sample: serum
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