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Mouse Endothelial PAS domain-containing protein 1 (Epas1) ELISA Kit (MOEB1848)

SKU:
MOEB1848
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P97481
Range:
78-5000 pg/mL
ELISA Type:
Sandwich
Synonyms:
HIF2a
Reactivity:
Mouse
€649
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Description

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Mouse Endothelial PAS domain-containing protein 1 (Epas1) ELISA Kit

The Mouse Endothelial PAS Domain-Containing Protein 1 (EPAS1) ELISA Kit is specifically designed to accurately detect EPAS1 levels in mouse serum, plasma, and cell culture supernatants. This kit offers high sensitivity and specificity, ensuring reliable and reproducible results for a variety of research applications.EPAS1 is a transcription factor that plays a critical role in the regulation of genes involved in oxygen sensing and angiogenesis. It is essential for adapting to hypoxic conditions and promoting blood vessel formation.

Dysregulation of EPAS1 has been implicated in various diseases, including cancer and cardiovascular disorders, making it a valuable biomarker for studying these conditions and developing potential treatments.Overall, the Mouse EPAS1 ELISA Kit is a powerful tool for researchers looking to investigate the role of EPAS1 in various biological processes and diseases in mouse models.

Product Name:Mouse Endothelial PAS domain-containing protein 1 (Epas1) ELISA Kit
SKU:MOEB1848
Size:96T
Target:Mouse Endothelial PAS domain-containing protein 1 (Epas1)
Synonyms:HIF-1-alpha-like factor, HIF-related factor, Hypoxia-inducible factor 2-alpha, HLF, HRF, HIF-2-alpha, EPAS-1, Hif2a
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Mouse
Detection Range:78-5000pg/mL
Sensitivity:39.7pg/mL
Intra CV:Provided with the Kit
Inter CV:Provided with the Kit
Linearity:Provided with the Kit
Recovery:Provided with the Kit
Function:Transcription factor involved in the induction of oxygen regulated genes. Binds to core DNA sequence 5'-[AG]CGTG-3' within the hypoxia response element (HRE) of target gene promoters. Regulates the vascular endothelial growth factor (VEGF) expression and seems to be implicated in the development of blood vessels and the tubular system of lung. May also play a role in the formation of the endothelium that gives rise to the blood brain barrier. Potent activator of the Tie-2 tyrosine kinase expression. Activation requires recruitment of transcriptional coactivators such as CREBBP and probably EP300. Interaction with redox regulatory protein APEX seems to activate CTAD.
Uniprot:P97481
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant mouse Endothelial PAS domain-containing protein 1
Sub Unit:Interacts with HIF3A isoform 2 (PubMed:21546903). Efficient DNA binding requires dimerization with another bHLH protein. Heterodimerizes with ARNT. Interacts with CREBBP.
Subcellular Location:Nucleus Nucleus speckle Colocalizes with HIF3A isoform 2 in the nucleus and speckles.
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:HIF2A: Transcription factor involved in the induction of oxygen regulated genes. Binds to core DNA sequence 5'-[AG]CGTG-3' within the hypoxia response element (HRE) of target gene promoters. Regulates the vascular endothelial growth factor (VEGF) expression and seems to be implicated in the development of blood vessels and the tubular system of lung. May also play a role in the formation of the endothelium that gives rise to the blood brain barrier. Potent activator of the Tie-2 tyrosine kinase expression. Activation seems to require recruitment of transcriptional coactivators such as CREBPB and probably EP300. Interaction with redox regulatory protein APEX seems to activate CTAD. Efficient DNA binding requires dimerization with another bHLH protein. Heterodimerizes with ARNT. Interacts with CREBBP. Interacts with EGLN1. Interacts with VHL. Expressed in most tissues, with highest levels in placenta, lung and heart. Selectively expressed in endothelial cells.
UniProt Protein Details:

Protein type:Transcription factor; DNA-binding

Cellular Component: cytoplasm; nuclear speck; nucleus; transcription factor complex

Molecular Function:cobalt ion binding; DNA binding; histone acetyltransferase binding; protein binding; protein heterodimerization activity; sequence-specific DNA binding; transcription factor activity; transcription factor binding

Biological Process: angiogenesis; blood vessel remodeling; cell differentiation; cell maturation; embryonic placenta development; erythrocyte differentiation; hemopoiesis; iron ion homeostasis; lung development; mitochondrion organization and biogenesis; myoblast cell fate commitment; negative regulation of transcription from RNA polymerase II promoter; norepinephrine biosynthetic process; norepinephrine metabolic process; positive regulation of transcription from RNA polymerase II promoter; regulation of heart rate; regulation of transcription from RNA polymerase II promoter in response to oxidative stress; response to hypoxia; response to oxidative stress; surfactant homeostasis; visual perception

UniProt Code:P97481
NCBI GenInfo Identifier:3914285
NCBI Gene ID:13819
NCBI Accession:P97481.2
UniProt Secondary Accession:P97481,O08787, O55046,
UniProt Related Accession:P97481
Molecular Weight:96,712 Da
NCBI Full Name:Endothelial PAS domain-containing protein 1
NCBI Synonym Full Names:endothelial PAS domain protein 1
NCBI Official Symbol:Epas1
NCBI Official Synonym Symbols:HLF; HRF; MOP2; HIF2A; bHLHe73; HIF-2alpha
NCBI Protein Information:endothelial PAS domain-containing protein 1
UniProt Protein Name:Endothelial PAS domain-containing protein 1
UniProt Synonym Protein Names:HIF-1-alpha-like factor; HLF; mHLF; HIF-related factor; HRF; Hypoxia-inducible factor 2-alpha; HIF-2-alpha; HIF2-alpha
Protein Family:Endothelial PAS domain-containing protein
UniProt Gene Name:Epas1
UniProt Entry Name:EPAS1_MOUSE
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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