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Product Info Summary
| SKU: | A02685-3 |
|---|---|
| Size: | 100 μg/vial |
| Reactive Species: | Mouse, Rat |
| Host: | Rabbit |
| Application: | IHC, WB |
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Product info
Product Name
Anti-HE4/Wfdc2 Antibody Picoband®
SKU/Catalog Number
A02685-3
Size
100 μg/vial
Form
Lyophilized
Description
Boster Bio Anti-HE4/Wfdc2 Antibody Picoband® catalog # A02685-3. Tested in IHC, WB applications. This antibody reacts with Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Storage & Handling
Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.
Cite This Product
Anti-HE4/Wfdc2 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A02685-3)
Host
Rabbit
Contents
Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
E. coli-derived rat HE4 recombinant protein (Position: E31-F168).
*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.
Cross-reactivity
No cross-reactivity with other proteins.
Reactive Species
A02685-3 is reactive to Wfdc2 in Mouse, Rat
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
19 kDa
Calculated molecular weight
33310 MW
Background of HE4/WFDC2
WAP four-disulfide core domain protein 2, also known as Human Epididymis Protein 4 (HE4), is a protein that in humans is encoded by the WFDC2 gene. This gene encodes a protein that is a member of the WFDC domain family. The WFDC domain, or WAP Signature motif, contains eight cysteines forming four disulfide bonds at the core of the protein, and functions as a protease inhibitor in many family members. This gene is expressed in pulmonary epithelial cells, and was also found to be expressed in some ovarian cancers. The encoded protein is a small secretory protein, which may be involved in sperm maturation.
Antibody Validation
Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.
Application & Images
Applications
A02685-3 is guaranteed for IHC, WB Boster Guarantee
Assay Dilutions Recommendation
The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.
Western blot, 0.1-0.5μg/ml
Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml
ELISA (Cap), 1-5μg/ml
Positive Control
WB: rat testis tissue, rat brain tissue, rat thymus tissue, mouse testis tissue, mouse brain tissue, mouse thymus tissue, mouse HEPA1-6 whole cell
IHC: mouse lung tissue, mouse small intestine tissue, rat kidney tissue, rat lung tissue, rat small intestine tissue
Validation Images & Assay Conditions
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Figure 1. Western blot analysis of HE4 using anti-HE4 antibody (A02685-3).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.
Lane 1: rat testis tissue lysates,
Lane 2: rat brain tissue lysates,
Lane 3: rat thymus tissue lysates,
Lane 4: mouse testis tissue lysates,
Lane 5: mouse brain tissue lysates,
Lane 6: mouse thymus tissue lysates,
Lane 7: mouse HEPA1-6 whole cell lysates.
After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-HE4 antigen affinity purified polyclonal antibody (Catalog # A02685-3) at 0.5 ug/mL overnight at 4 then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:10000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for HE4 at approximately 19KD. The expected band size for HE4 is at 13KD.
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Figure 2. IHC analysis of HE4 using anti-HE4 antibody (A02685-3).
HE4 was detected in paraffin-embedded section of mouse lung tissue. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti-HE4 Antibody (A02685-3) overnight at 4 Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
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Figure 3. IHC analysis of HE4 using anti-HE4 antibody (A02685-3).
HE4 was detected in paraffin-embedded section of mouse small intestine tissue. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti-HE4 Antibody (A02685-3) overnight at 4 Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 4. IHC analysis of HE4 using anti-HE4 antibody (A02685-3).
HE4 was detected in paraffin-embedded section of rat kidney tissue. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti-HE4 Antibody (A02685-3) overnight at 4 Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 5. IHC analysis of HE4 using anti-HE4 antibody (A02685-3).
HE4 was detected in paraffin-embedded section of rat lung tissue. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti-HE4 Antibody (A02685-3) overnight at 4 Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 6. IHC analysis of HE4 using anti-HE4 antibody (A02685-3).
HE4 was detected in paraffin-embedded section of rat small intestine tissue. Heat mediated antigen retrieval was performed in citrate buffer (pH6, epitope retrieval solution) for 20 mins. The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1ug/ml rabbit anti-HE4 Antibody (A02685-3) overnight at 4 Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
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Figure 7. Sandwich ELISA - Recombinant rat HE4/Wfdc2 protein standard curve.
Use in combination with reagents from Rat HE4/Wfdc2 ELISA Kit EZ-Set (DIY Antibody Pairs) (EZ1624).
Protein Target Info & Infographic
Gene/Protein Information For Wfdc2 (Source: Uniprot.org, NCBI)
Gene Name
Wfdc2
Full Name
WAP four-disulfide core domain protein 2
Weight
33310 MW
Alternative Names
WAP four-disulfide core domain protein 2; Epididymal secretory protein 4; RE4; Wfdc2; WFDC2 EDDM4, HE4, WAP5, dJ461P17.6 WAP four-disulfide core domain 2 WAP four-disulfide core domain protein 2|WAP domain containing protein HE4-V4|epididymal protein 4|epididymal secretory protein E4|epididymis secretory sperm binding protein|epididymis-specific, whey-acidic protein type, four-disulfide core|human epididymis protein 4|major epididymis-specific protein E4|putative protease inhibitor WAP5
*If product is indicated to react with multiple species, protein info is based on the gene entry specified above in "Species".For more info on Wfdc2, check out the Wfdc2 Infographic
We have 30,000+ of these available, one for each gene! Check them out.
In this infographic, you will see the following information for Wfdc2: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].
Specific Publications For Anti-HE4/Wfdc2 Antibody Picoband® (A02685-3)
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