Mouse Hypoxia-inducible factor 1-alpha (Hif1a) ELISA Kit (MOEB0600)
- SKU:
- MOEB0600
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- Q61221
- Range:
- 78-5000 pg/mL
- ELISA Type:
- Sandwich
- Synonyms:
- Hif1alpha, HIF-1alpha, HIF1A
- Reactivity:
- Mouse
Description
Mouse Hypoxia-inducible factor 1-alpha (Hif1a) ELISA Kit
The Mouse Hypoxia-Inducible Factor 1 Alpha (HIF-1α) ELISA Kit is a powerful tool for measuring HIF-1α levels in mouse samples. This kit is designed with high sensitivity and specificity to provide accurate and reliable results in serum, plasma, and cell culture supernatants. HIF-1α is a key transcription factor that plays a crucial role in cellular response to hypoxia, regulating the expression of genes involved in angiogenesis, energy metabolism, and cell survival.
Dysregulation of HIF-1α has been implicated in various diseases, including cancer, ischemic diseases, and inflammatory disorders, making it an important target for research and drug development. With the Mouse HIF-1α ELISA Kit, researchers can confidently measure HIF-1α levels in mouse samples, allowing for a better understanding of hypoxia-related pathways and the potential for developing novel therapeutic interventions.
| Product Name: | Mouse Hypoxia-inducible factor 1-alpha (Hif1a) ELISA Kit |
| SKU: | MOEB0600 |
| Size: | 96T |
| Target: | Mouse Hypoxia-inducible factor 1-alpha (Hif1a) |
| Synonyms: | ARNT-interacting protein, HIF-1-alpha |
| Assay Type: | Sandwich |
| Detection Method: | ELISA |
| Reactivity: | Mouse |
| Detection Range: | 78-5000pg/mL |
| Sensitivity: | 39.8pg/mL |
| Intra CV: | 7.1% | ||||||||||||||||||||
| Inter CV: | 9.1% | ||||||||||||||||||||
| Linearity: |
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| Recovery: |
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| Function: | Functions as a master transcriptional regulator of the adaptive response to hypoxia. Under hypoxic conditions, activates the transcription of over 40 genes, including erythropoietin, glucose transporters, glycolytic enzymes, vascular endothelial growth factor, HILPDA, and other genes whose protein products increase oxygen delivery or facilitate metabolic adaptation to hypoxia. Plays an essential role in embryonic vascularization, tumor angiogenesis and pathophysiology of ischemic disease. Binds to core DNA sequence 5'-[AG]CGTG-3' within the hypoxia response element (HRE) of target gene promoters. Activation requires recruitment of transcriptional coactivators such as CREBBP and EP300. Activity is enhanced by interaction with both, NCOA1 or NCOA2. Interaction with redox regulatory protein APEX seems to activate CTAD and potentiates activation by NCOA1 and CREBBP. Involved in the axonal distribution and transport of mitochondria in neurons during hypoxia. |
| Uniprot: | Q61221 |
| Sample Type: | Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids |
| Specificity: | Natural and recombinant mouse Hypoxia-inducible factor 1-alpha |
| Sub Unit: | Interacts with HIF3A isoform 2 (PubMed:21546903). Interacts with the HIF1A beta/ARNT subunit; heterodimerization is required for DNA binding. Interacts with Interacts with NCOA1, NCOA2, APEX and HSP90. Interacts (hydroxylated within the ODD domain) with VHLL (via beta domain); the interaction, leads to polyubiquitination and subsequent HIF1A proteasomal degradation. During hypoxia, sumoylated HIF1A also binds VHL; the interaction promotes the ubiquitination of HIF1A. Interacts with SENP1; the interaction desumoylates HIF1A resulting in stabilization and activation of transcription. Interacts (Via the ODD domain) with ARD1A; the interaction appears not to acetylate HIF1A nor have any affect on protein stability, during hypoxia. Interacts with RWDD3; the interaction enhances HIF1A sumoylation. Interacts with RORA (via the DNA binding domain); the interaction enhances HIF1A transcription under hypoxia through increasing protein stability. Interaction with PSMA7 inhibits the transactivation activity of HIF1A under both normoxic and hypoxia-mimicking conditions. Interacts with USP20. Interacts with RACK1; promotes HIF1A ubiquitination and proteasome-mediated degradation. Interacts with EP300 (via TAZ-type 1 domain); the interaction is stimulated in response to hypoxia and inhibited by CITED2. Interacts with CREBBP (via TAZ-type 1 domain). Interacts with SIRT2. Interacts (deacetylated form) with EGLN1 (By similarity). Interacts with TSGA10. Interacts (via N-terminus) with USP19. Interacts with COPS5; the interaction increases the transcriptional activity of HIF1A through increased stability. Interacts with CBFA2T3. Interacts with HSP90AA1 and HSP90AB1. |
| Research Area: | Cancer |
| Subcellular Location: | Cytoplasm Nucleus Nucleus speckle Colocalizes with HIF3A isoform 2 in the nucleus and speckles (PubMed:21546903). Cytoplasmic in normoxia, nuclear translocation in response to hypoxia (By similarity). |
| Storage: | Please see kit components below for exact storage details |
| Note: | For research use only |
| UniProt Protein Function: | HIF1A: a master transcriptional regulator of the adaptive response to hypoxia. Under hypoxic conditions, activates the transcription of over 40 genes, including erythropoietin, glucose transporters, glycolytic enzymes, vascular endothelial growth factor, HILPDA, and other genes whose protein products increase oxygen delivery or facilitate metabolic adaptation to hypoxia. Plays an essential role in embryonic vascularization, tumor angiogenesis and pathophysiology of ischemic disease. Binds to core DNA sequence 5'-[AG]CGTG-3' within the hypoxia response element (HRE) of target gene promoters. Activation requires recruitment of transcriptional coactivators such as CREBPB and EP300. Activity is enhanced by interaction with both, NCOA1 or NCOA2. Interaction with redox regulatory protein APEX seems to activate CTAD and potentiates activation by NCOA1 and CREBBP. Involved in the axonal distribution and transport of mitochondria in neurons during hypoxia. Interacts with the HIF1A beta/ARNT subunit; heterodimerization is required for DNA binding. Interacts with COPS5; the interaction increases the transcriptional activity of HIF1A through increased stability. Interacts with EP300 (via TAZ-type 1 domains); the interaction is stimulated in response to hypoxia and inhibited by CITED2. Interacts with CREBBP (via TAZ-type 1 domains). Interacts with NCOA1, NCOA2, APEX and HSP90. Interacts (hydroxylated within the ODD domain) with VHLL (via beta domain); the interaction, leads to polyubiquitination and subsequent HIF1A proteasomal degradation. During hypoxia, sumoylated HIF1A also binds VHL; the interaction promotes the ubiquitination of HIF1A. Interacts with SENP1; the interaction desumoylates HIF1A resulting in stabilization and activation of transcription. Interacts (Via the ODD domain) with ARD1A; the interaction appears not to acetylate HIF1A nor have any affect on protein stability, during hypoxia. Interacts with RWDD3; the interaction enhances HIF1A sumoylation. Interacts with TSGA10. Interacts with RORA (via the DNA binding domain); the interaction enhances HIF1A transcription under hypoxia through increasing protein stability. Interaction with PSMA7 inhibits the transactivation activity of HIF1A under both normoxic and hypoxia- mimicking conditions. Interacts with USP20. Interacts with RACK1; promotes HIF1A ubiquitination and proteasome- mediated degradation. Interacts (via N-terminus) with USP19. Under reduced oxygen tension. Induced also by various receptor-mediated factors such as growth factors, cytokines, and circulatory factors such as PDGF, EGF, FGF2, IGF2, TGFB1, HGF, TNF, IL1B, angiotensin-2 and thrombin. However, this induction is less intense than that stimulated by hypoxia. Repressed by HIPK2 and LIMD1. Expressed in most tissues with highest levels in kidney and heart. Overexpressed in the majority of common human cancers and their metastases, due to the presence of intratumoral hypoxia and as a result of mutations in genes encoding oncoproteins and tumor suppressors. 2 isoforms of the human protein are produced by alternative splicing. |
| UniProt Protein Details: | Protein type:Autophagy; Transcription factor; DNA-binding Cellular Component: cytoplasm; cytosol; nuclear speck; nucleus; transcription factor complex Molecular Function:DNA binding; enzyme binding; histone acetyltransferase binding; histone deacetylase binding; Hsp90 protein binding; nuclear hormone receptor binding; protein binding; protein complex binding; protein dimerization activity; protein heterodimerization activity; protein kinase binding; RNA polymerase II transcription factor activity, enhancer binding; sequence-specific DNA binding; transcription factor activity; transcription factor binding; ubiquitin protein ligase binding Biological Process: angiogenesis; axon transport of mitochondrion; B-1 B cell homeostasis; blood vessel development; blood vessel morphogenesis; camera-type eye morphogenesis; cartilage development; cell differentiation; cellular iron ion homeostasis; cerebral cortex development; collagen metabolic process; connective tissue replacement during inflammatory response; digestive tract morphogenesis; elastin metabolic process; embryonic hemopoiesis; embryonic placenta development; epithelial to mesenchymal transition; glucose homeostasis; heart looping; hemoglobin biosynthetic process; lactate metabolic process; lactation; muscle maintenance; negative regulation of apoptosis; negative regulation of bone mineralization; negative regulation of growth; negative regulation of neuron apoptosis; negative regulation of ossification; negative regulation of TOR signaling pathway; negative regulation of transcription from RNA polymerase II promoter; negative regulation of vasoconstriction; neural crest cell migration; neural fold elevation formation; oxygen homeostasis; positive regulation of apoptosis; positive regulation of autophagy; positive regulation of cell proliferation; positive regulation of erythrocyte differentiation; positive regulation of gluconeogenesis; positive regulation of hormone biosynthetic process; positive regulation of macroautophagy; positive regulation of neuroblast proliferation; positive regulation of smooth muscle cell proliferation; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription, DNA-dependent; positive regulation of vascular endothelial growth factor receptor signaling pathway; regulation of catalytic activity; regulation of cell proliferation; regulation of gene expression; regulation of glycolysis; regulation of transcription from RNA polymerase II promoter in response to oxidative stress; regulation of transcription, DNA-dependent; regulation of transforming growth factor-beta2 production; response to hypoxia; response to muscle activity; signal transduction; transcription, DNA-dependent; vasculature development; visual learning |
| NCBI Summary: | This gene encodes the alpha subunit which, along with the beta subunit, forms a heterodimeric transcription factor that regulates the cellular and developmental response to reduced oxygen tension. The transcription factor has been shown to regulate genes involved in several biological processes, including erythropoiesis and angiogenesis which aid in increased delivery of oxygen to hypoxic regions. The transcription factor also plays a role in the induction of genes involved in cell proliferation and survival, energy metabolism, apoptosis, and glucose and iron metabolism. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Sep 2015] |
| UniProt Code: | Q61221 |
| NCBI GenInfo Identifier: | 32470615 |
| NCBI Gene ID: | 15251 |
| NCBI Accession: | Q61221.3 |
| UniProt Secondary Accession: | Q61221,O08741, O08993, Q61664, Q61665, Q8C681, Q8CC19 Q8CCB6, Q8R385, Q9CYA8, |
| UniProt Related Accession: | Q61221 |
| Molecular Weight: | 91,874 Da |
| NCBI Full Name: | Hypoxia-inducible factor 1-alpha |
| NCBI Synonym Full Names: | hypoxia inducible factor 1, alpha subunit |
| NCBI Official Symbol: | Hif1a |
| NCBI Official Synonym Symbols: | MOP1; bHLHe78; AA959795; HIF1alpha; HIF1-alpha; HIF-1-alpha |
| NCBI Protein Information: | hypoxia-inducible factor 1-alpha |
| UniProt Protein Name: | Hypoxia-inducible factor 1-alpha |
| UniProt Synonym Protein Names: | ARNT-interacting protein |
| Protein Family: | Hypoxia-inducible factor |
| UniProt Gene Name: | Hif1a |
| UniProt Entry Name: | HIF1A_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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