Human MRP1 (Multidrug Resistance Associated Protein 1) ELISA Kit (HUES02942)

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ELISA Kit Technical ManualMSDS

Human MRP1 (Multidrug Resistance Associated Protein 1) ELISA Kit

This ELISA kit uses Sandwich-ELISA as the method. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human MRP1 . Standards or samples are added to the appropriate micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human MRP1 and Avidin-Horseradish Peroxidase (HRP) conjugate are added to each micro plate well successively and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human MRP1, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by adding 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 MRP1. The concentration of Human MRP1 in samples can be calculated by comparing the OD of the samples to the standard curve.

Assay typeSandwich
Assay time4.5h
Detection MethodColormetric
Detection Range0.31-20 ng/mL
Sensitivity0.19 ng/mL
Sample Volume Required Per Well100uL
Sample TypeSerum, plasma and other biological fluids


This kit recognizes Human MRP1 in samples. No significant cross-reactivity or interference between Human MRP1 and analogues was observed.

Typical Data

As the OD values of the standard curve may vary according to the conditions of the actual assay performance (e.g. operator, pipetting technique, washing technique or temperature effects), the operator should establish a standard curve for each test. Typical standard curve and data is provided below for reference only.

O.D Average Corrected


Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human MRP1 were tested 20 times on one plate, respectively.

Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human MRP1 were tested on 3 different plates, 20 replicates in each plate.

Intra-assay Precision Inter-assay Precision
Mean (ng/mL)1.101.908.291.181.928.94
Standard deviation0.070.080.340.070.100.46
C V (%)6.364.214.105.935.215.15


The recovery of Human MRP1 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=5)83-9890
EDTA plasma (n=5)91-10899
Cell culture media (n=5)94-106100


Samples were spiked with high concentrations of Human MRP1 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Serum (n=5) EDTA plasma (n=5) Cell culture media (n=5)
1:2Range (%)92-10786-9996-111
Average (%)9892103
1:4Range (%)95-10687-9885-96
Average (%)1009391
1:8Range (%)93-10782-9488-102
Average (%)998894
1:16Range (%)91-10485-9682-93
Average (%)979188

Kit Components & Storage

An unopened kit can be stored at 4'C for 1 month. If the kit is not used within 1 month, store the items separately according to the following conditions once the kit is received.

Item Specifications Storage
Micro ELISA Plate(Dismountable)8 wells X12 strips-20'C, 6 months
Reference Standard2 vials
Concentrated Biotinylated Detection Ab (100X)1 vial, 120 uL
Concentrated HRP Conjugate (100X)1 vial, 120 uL-20'C(shading light), 6 months
Reference Standard & Sample Diluent1 vial, 20 mL4'C, 6 months
Biotinylated Detection Ab Diluent1 vial, 14 mL
HRP Conjugate Diluent1 vial, 14 mL
Concentrated Wash Buffer (25X)1 vial, 30 mL
Substrate Reagent1 vial, 10 mL4'C(shading light)
Stop Solution1 vial, 10 mL4'C
Plate Sealer5 pieces
Product Description1 copy
Certificate of Analysis1 copy

Human MRP1 (Multidrug Resistance Associated Protein 1) ELISA Kit (HUES02942) Assay procedure

    1. Set standard, test sample and control (zero) wells on the pre-coated plate and record theirpositions. It is recommended to measure each standard and sample in duplicate. Note: addall solutions to the bottom of the plate wells while avoiding contact with the well walls. Ensuresolutions do not foam when adding to the wells.
    2. Aliquot 100µl of standard solutions into the standard wells.
    3. Add 100µl of Sample / Standard dilution buffer into the control (zero) well.
    4. Add 100µl of properly diluted sample (serum, plasma, tissue homogenates and otherbiological fluids) into test sample wells.
    5. Cover the plate with the sealer provided in the kit and incubate for 90 min at 37°C.
    6. Aspirate the liquid from each well, do not wash. Immediately add 100µL of BiotinylatedDetection Ab working solution to each well. Cover the plate with a plate seal and gently mix.Incubate for 1 hour at 37°C.
    7. Aspirate or decant the solution from the plate and add 350µL of wash buffer to each welland incubate for 1-2 minutes at room temperature. Aspirate the solution from each well andclap the plate on absorbent filter paper to dry. Repeat this process 3 times. Note: a microplatewasher can be used in this step and other wash steps.
    8. Add 100µL of HRP Conjugate working solution to each well. Cover with a plate seal andincubate for 30 min at 37°C.
    9. Aspirate or decant the solution from each well. Repeat the wash process for five times asconducted in step 7.
    10. Add 90µL of Substrate Reagent to each well. Cover with a new plate seal and incubate forapproximately 15 min at 37°C. Protect the plate from light. Note: the reaction time can beshortened or extended according to the actual color change, but not by more than 30min.
    11. Add 50 µL of Stop Solution to each well. Note: Adding the stop solution should be done inthe same order as the substrate solution.
    12. Determine the optical density (OD value) of each well immediately with a microplate readerset at 450 nm.

Human MRP1 (Multidrug Resistance Associated Protein 1) ELISA Kit (HUES02942) Protein Information

UniProt Protein Function:ABCC1: a multi-pass membrane protein. A multidrug resistance member of the ABC transporter family that confers resistance to anticancer drugs. A multi-pass membrane protein. Exports sphingosine-1-phosphate (S1P), a potent inflammatory mediator, from mast cells during mast cell-mediated immune responses. Nine alternatively spliced human isoforms have been reported.
UniProt Protein Details:

Protein type:Membrane protein, multi-pass; Membrane protein, integral; Transporter, ABC family; Transporter

Chromosomal Location of Human Ortholog: 16p13.1

Cellular Component: membrane; integral to plasma membrane; plasma membrane

Molecular Function:ATPase activity, coupled to transmembrane movement of substances; transporter activity; ATPase activity; ATP binding

Biological Process: response to drug; vitamin metabolic process; transport; cobalamin metabolic process; arachidonic acid metabolic process; leukotriene metabolic process; transmembrane transport; water-soluble vitamin metabolic process

NCBI Summary:The protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra-and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This full transporter is a member of the MRP subfamily which is involved in multi-drug resistance. This protein functions as a multispecific organic anion transporter, with oxidized glutatione, cysteinyl leukotrienes, and activated aflatoxin B1 as substrates. This protein also transports glucuronides and sulfate conjugates of steroid hormones and bile salts. Alternatively spliced variants of this gene have been described but their full-length nature is unknown. [provided by RefSeq, Apr 2012]
UniProt Code:P33527
NCBI GenInfo Identifier:296439301
NCBI Gene ID:4363
NCBI Accession:P33527.3
UniProt Secondary Accession:P33527,O14819, O43333, P78419, Q59GI9, Q9UQ97, Q9UQ99 Q9UQA0, A3RJX2, C9JPJ4,
UniProt Related Accession:P33527
Molecular Weight:1531
NCBI Full Name:Multidrug resistance-associated protein 1
NCBI Synonym Full Names:ATP-binding cassette, sub-family C (CFTR/MRP), member 1
NCBI Official Symbol:ABCC1  
NCBI Official Synonym Symbols:MRP; ABCC; GS-X; MRP1; ABC29  
NCBI Protein Information:multidrug resistance-associated protein 1; LTC4 transporter; leukotriene C(4) transporter; ATP-binding cassette transporter variant ABCC1delta-ex13; ATP-binding cassette transporter variant ABCC1delta-ex25; ATP-binding cassette transporter variant ABCC1de
UniProt Protein Name:Multidrug resistance-associated protein 1
UniProt Synonym Protein Names:ATP-binding cassette sub-family C member 1; Leukotriene C(4) transporter; LTC4 transporter
Protein Family:37S ribosomal protein
UniProt Gene Name:ABCC1  
UniProt Entry Name:MRP1_HUMAN
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