Rat Estrogen receptor ELISA Kit

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SKU:
RTFI00288
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P06211
Sensitivity:
0.188ng/ml
Range:
0.313-20ng/ml
ELISA Type:
Sandwich ELISA, Double Antibody
Synonyms:
Esr1, ER alpha, NR3A1, ER, Era, ER-alpha, Estradiol receptor, estrogen receptor, estrogen receptor 1, Nuclear receptor subfamily 3 group A member 1
Reactivity:
Rat
Frequently bought together:

Description

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Product Name:Rat Esr1 (Estrogen receptor) ELISA Kit
Product Code:RTFI00288
Size:96 Assays
Target:Rat Esr1
Alias:Esr1, ER alpha, NR3A1, ER, Era, ER-alpha, Estradiol receptor, estrogen receptor, estrogen receptor 1, Nuclear receptor subfamily 3 group A member 1
Reactivity:Rat
Detection Method:Sandwich ELISA, Double Antibody
Sensitivity:0.188ng/ml
Range:0.313-20ng/ml
Storage:4°C for 6 months
Note:For Research Use Only
Recovery:Matrices listed below were spiked with certain level of Rat Esr1 and the recovery rates were calculated by comparing the measured value to the expected amount of Rat Esr1 in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)92-10296
EDTA plasma(n=5)85-10393
UFH plasma(n=5)87-10294
Linearity:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Rat Esr1 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)91-103%88-105%99-104%
EDTA plasma(n=5)86-99%84-100%85-100%
UFH plasma(n=5)81-94%83-99%90-98%
Intra-Assay:CV <8%
Inter-Assay:CV <10%
Uniprot:P06211
UniProt Protein Function:ER-alpha: a nuclear hormone receptor and transcription factor. Regulates gene expression and affects cellular proliferation and differentiation in target tissues. Two splice-variant isoforms have been described.
UniProt Protein Details:

Protein type:DNA-binding; Nuclear receptor

Chromosomal Location of Human Ortholog: 1q11

Cellular Component: cytoplasm; Golgi apparatus; mitochondrion; neuron projection; nuclear chromatin; nucleus; perikaryon; perinuclear region of cytoplasm; plasma membrane; protein complex; T-tubule; terminal bouton

Molecular Function:ATPase binding; beta-catenin binding; chromatin binding; DNA binding; DNA binding transcription factor activity; enzyme binding; estrogen receptor activity; estrogen receptor binding; estrogen response element binding; hormone binding; identical protein binding; ligand-dependent nuclear receptor activity; protein binding; protein complex binding; protein kinase binding; sequence-specific DNA binding; steroid binding; steroid hormone receptor activity; TATA-binding protein binding; transcription factor binding; type 1 metabotropic glutamate receptor binding; zinc ion binding

Biological Process: androgen metabolic process; antral ovarian follicle growth; decidualization; elevation of cytosolic calcium ion concentration; epithelial cell development; intracellular estrogen receptor signaling pathway; male gonad development; negative regulation of glucose import; negative regulation of I-kappaB kinase/NF-kappaB signaling; negative regulation of smooth muscle cell proliferation; negative regulation of transcription factor activity; negative regulation of transcription from RNA polymerase II promoter; osteoblast development; phospholipase C-activating G-protein coupled receptor signaling pathway; positive regulation of epidermal growth factor receptor signaling pathway; positive regulation of epithelial cell proliferation; positive regulation of fibroblast proliferation; positive regulation of nitric oxide biosynthetic process; positive regulation of nitric-oxide synthase activity; positive regulation of transcription factor activity; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription, DNA-templated; positive regulation of transcriptional preinitiation complex assembly; regulation of apoptosis; regulation of inflammatory response; regulation of neuron apoptosis; regulation of toll-like receptor signaling pathway; regulation of transcription, DNA-templated; response to estradiol; response to estrogen; Sertoli cell development; Sertoli cell proliferation; stem cell differentiation; steroid hormone mediated signaling; steroid hormone receptor signaling pathway; transcription from RNA polymerase II promoter; transcription, DNA-dependent; uterus development; vagina development

NCBI Summary:acts as a transcriptional activator when bound to estrogen; may play a role in myocardial regulation [RGD, Feb 2006]
UniProt Code:P06211
NCBI GenInfo Identifier:6978815
NCBI Gene ID:24890
NCBI Accession:
UniProt Related Accession:P06211
Molecular Weight:
NCBI Full Name:estrogen receptor
NCBI Synonym Full Names:estrogen receptor 1
NCBI Official Symbol:Esr1  
NCBI Official Synonym Symbols:Esr; ER-alpha; RNESTROR  
NCBI Protein Information:estrogen receptor
UniProt Protein Name:Estrogen receptor
UniProt Synonym Protein Names:ER-alpha; Estradiol receptor; Nuclear receptor subfamily 3 group A member 1
Protein Family:Regulatory protein
UniProt Gene Name:Esr1  
StepProcedure
1. Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells!
2.Aliquot 0.1ml standard solutions into the standard wells.
3. Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well.
4. Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells.
5.Seal the plate with a cover and incubate at 37°C for 90 min.
6. Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2.
7. Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall.
8.Seal the plate with a cover and incubate at 37°C for 60 min.
9. Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash.
10. Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min.
11. Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min.
12. Add 90 µL of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color.
13. Add 50 µL of Stop solution into each well and mix thoroughly. The color changes into yellow immediately.
14. Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution.

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 clotovernight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Removeserum 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 anti-coagulant. 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 & homogenizein 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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