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Mouse Frizzled-4 (Fzd4) ELISA Kit (MOEB2397)

SKU:
MOEB2397
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
Q61088
ELISA Type:
Sandwich
Reactivity:
Mouse
€649
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Description

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Mouse Frizzled-4 (Fzd4) ELISA Kit

The Mouse Frizzled 4 (FZD4) ELISA Kit is specifically designed for the accurate measurement of FZD4 levels in mouse serum, plasma, and cell culture supernatants. This kit offers high sensitivity and specificity, guaranteeing reliable and consistent results for a variety of research purposes.Frizzled 4 is a key receptor protein involved in the Wnt signaling pathway, playing a critical role in regulating cell proliferation, differentiation, and tissue development.

Dysregulation of the Wnt pathway, including FZD4, has been linked to various diseases such as cancer, cardiovascular disorders, and developmental abnormalities, making it a valuable biomarker for investigating these conditions and potentially identifying new therapeutic targets.Don't miss out on the opportunity to accurately quantify FZD4 levels in your research samples with the Mouse Frizzled 4 (FZD4) ELISA Kit from Assaygenie.

Product Name:Mouse Frizzled-4 (Fzd4) ELISA Kit
SKU:MOEB2397
Size:96T
Target:Mouse Frizzled-4 (Fzd4)
Synonyms:CD344, Fz-4
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Mouse
Detection Range:1.56-100ng/mL
Sensitivity:0.78ng/mL
Intra CV:6.9%
Inter CV:8.8%
Linearity:
Sample1:21:41:81:16
Serum(N=5)88-100%103-115%88-88%83-94%
EDTA Plasma(N=5)88-97%118-118%102-111%99-111%
Heparin Plasma(N=5)110-119%109-119%110-120%97-109%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum9993-105
Plasma10195-107
Function:Receptor for Wnt proteins. Most of frizzled receptors are coupled to the beta-catenin (CTNNB1) canonical signaling pathway, which leads to the activation of disheveled proteins, inhibition of GSK-3 kinase, nuclear accumulation of beta-catenin (CTNNB1) and activation of Wnt target genes. Plays a critical role in retinal vascularization by acting as a receptor for Wnt proteins and norrin (NDP). In retina, it can be both activated by Wnt protein-binding, but also by a Wnt-independent signaling via binding of norrin (NDP), promoting in both cases beta-catenin (CTNNB1) accumulation and stimulation of LEF/TCF-mediated transcriptional programs. A second signaling pathway involving PKC and calcium fluxes has been seen for some family members, but it is not yet clear if it represents a distinct pathway or if it can be integrated in the canonical pathway, as PKC seems to be required for Wnt-mediated inactivation of GSK-3 kinase. Both pathways seem to involve interactions with G-proteins. May be involved in transduction and intercellular transmission of polarity information during tissue morphogenesis and/or in differentiated tissues. Activation by Wnt5A stimulates PKC activity via a G-protein-dependent mechanism.
Uniprot:Q61088
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant mouse Frizzled-4
Sub Unit:Interacts with MAGI3 and NDP. Component of a complex, at least composed of TSPAN12, FZD4 and norrin (NDP).
Research Area:Cancer
Subcellular Location:Membrane Multi-pass membrane protein Cell membrane Multi-pass membrane protein
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:FZD4: Receptor for Wnt proteins. Most of frizzled receptors are coupled to the beta-catenin (CTNNB1) canonical signaling pathway, which leads to the activation of disheveled proteins, inhibition of GSK-3 kinase, nuclear accumulation of beta-catenin (CTNNB1) and activation of Wnt target genes. Plays a critical role in retinal vascularization by acting as a receptor for Wnt proteins and norrin (NDP). In retina, it can be both activated by Wnt protein-binding, but also by a Wnt-independent signaling via binding of norrin (NDP), promoting in both cases beta-catenin (CTNNB1) accumulation and stimulation of LEF/TCF-mediated transcriptional programs. A second signaling pathway involving PKC and calcium fluxes has been seen for some family members, but it is not yet clear if it represents a distinct pathway or if it can be integrated in the canonical pathway, as PKC seems to be required for Wnt-mediated inactivation of GSK-3 kinase. Both pathways seem to involve interactions with G-proteins. May be involved in transduction and intercellular transmission of polarity information during tissue morphogenesis and/or in differentiated tissues. Defects in FZD4 are the cause of vitreoretinopathy exudative type 1 (EVR1); also known as autosomal dominant familial exudative vitreoretinopathy (FEVR) or Criswick- Schepens syndrome. EVR1 is a disorder of the retinal vasculature characterized by an abrupt cessation of growth of peripheral capillaries, leading to an avascular peripheral retina. This may lead to compensatory retinal neovascularization, which is thought to be induced by hypoxia from the initial avascular insult. New vessels are prone to leakage and rupture causing exudates and bleeding, followed by scarring, retinal detachment and blindness. Clinical features can be highly variable, even within the same family. Patients with mild forms of the disease are asymptomatic, and their only disease-related abnormality is an arc of avascular retina in the extreme temporal periphery. Belongs to the G-protein coupled receptor Fz/Smo family.Protein type: GPCR, Fz/Smo family; Membrane protein, integral; Receptor, GPCR; Membrane protein, multi-passCellular Component: cell surface; integral to membrane; intercellular junction; membrane; plasma membraneMolecular Function: cytokine binding; G-protein coupled receptor activity; PDZ domain binding; protein binding; protein heterodimerization activity; protein homodimerization activity; signal transducer activity; transmembrane receptor activity; ubiquitin protein ligase binding; Wnt receptor activity; Wnt-protein bindingBiological Process: blood vessel development; cell surface receptor linked signal transduction; G-protein coupled receptor protein signaling pathway; locomotion during locomotory behavior; luteinization; multicellular organismal development; positive regulation of JNK activity; positive regulation of transcription factor activity; positive regulation of transcription, DNA-dependent; progesterone secretion; regulation of vascular endothelial growth factor receptor signaling pathway; sensory perception of sound; signal transduction; vasculogenesis; Wnt receptor signaling pathway; Wnt receptor signaling pathway through beta-catenin; Wnt receptor signaling pathway, calcium modulating pathway
UniProt Protein Details:
NCBI Summary:
UniProt Code:Q61088
NCBI GenInfo Identifier:188035913
NCBI Gene ID:14366
NCBI Accession:NP_032081.3
UniProt Secondary Accession:Q61088
UniProt Related Accession:Q61088
Molecular Weight:60,143 Da
NCBI Full Name:frizzled-4
NCBI Synonym Full Names:frizzled class receptor 4
NCBI Official Symbol:Fzd4
NCBI Official Synonym Symbols:Fz4
NCBI Protein Information:frizzled-4
UniProt Protein Name:Frizzled-4
UniProt Synonym Protein Names:CD_antigen: CD344
Protein Family:Frizzled
UniProt Gene Name:Fzd4
UniProt Entry Name:FZD4_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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