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Product Info Summary
| SKU: | EK0511-EQ |
|---|---|
| Size: | 96 wells/kit, with removable strips. |
| Reactive Species: | Equine |
| Application: | ELISA |
| Sample Types: | cell culture supernatants, serum, plasma (heparin, EDTA) and horse equine milk. |
Product info
Product Name
Horse equine TGF Alpha ELISA Kit PicoKine®
SKU/Catalog Number
EK0511-EQ
Size
96 wells/kit, with removable strips.
*Question: How many samples can I assay/run in this kit?
Description
Horse equine TGF Alpha ELISA Kit PicoKine® (96 Tests). Quantitate Horse TGFA in cell culture supernatants, serum, plasma (heparin, EDTA) and horse equine milk. Sensitivity: 1pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.
Storage & Handling
Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)
Cite This Product
Horse equine TGF Alpha ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK0511-EQ)
Clonality of Antibodies
See Datasheet for details
Standard Protein
Expression system for standard: E.coli; Immunogen sequence: V40-A89
Sensitivity
<1 pg/ml
Assay Range
15.6 pg/ml - 1,000 pg/ml
Standard Dilution Instructions
See datasheet of EK0511-EQ for more details
Cross-reactivity
There is cross-reactivity with TGF beta 2, TGF beta 3, TGF beta 5<1%.
Reactive Species
EK0511-EQ is reactive to TGFA in Equine samples
Validated Sample Types
cell culture supernatants, serum, plasma (heparin, EDTA) and horse equine milk.
Application Guarantee
EK0511-EQ is guaranteed for ELISA in Equine by Boster Guarantee
See how Boster Bio validate our ELISA kits: ELISA Validation Information
Background of TGF-alpha
Transforming growth factor alpha (TGF-alpha) is upregulated in some horse equine cancers. It is produced in macrophages, brain cells, and keratinocytes, and induces epithelial development. It is closely related to EGF, and can also bind to the EGF receptor with similar effects. TGFalpha stimulates neural cell proliferation in the adult injured brain. Transforming growth factor alpha gene (TGFA) maps to horse equine chromosome 2 close to the breakpoint of the t (2;8) variant translocation in Burkitt lymphoma. Synthetic TGF-alpha was as active as murine epidermal growth factor in binding to the epidermal growth factor receptor and in stimulation of anchorage-dependent and of anchorage-independent growth of normal indicator cells in culture. Synthetic TGF-alpha stimulated plasminogen activator production in A 431 and HeLa cells; the stimulation was similar to that induced by epidermal growth factor. Furthermore, synthetic horse equine TGF-alpha showed similar immunoreactivity when compared with horse equine TGF-alpha. Thus, the 50-amino acid TGF-alpha is likely to be the bioactive principle produced and secreted by tumor cell lines.
Kit Components
| Catalog Number | Description | Quantity |
|---|---|---|
| EK0511-EQ-CAP | Anti-Equine TGFA Pre-coated 96-well strip microplate | 1 |
| EK0511-EQ-ST | Equine TGFA Standard | 2 vials, 10 ng/tube |
| EK0511-EQ-DA | Equine TGFA Biotinylated antibody (100x) | 100ul |
| AR1103 | Avidin-Biotin-Peroxidase Complex (100x) | 100ul |
| AR1106-1 | Sample Diluent | 30ml |
| AR1106-2 | Antibody Diluent | 12ml |
| AR1106-3 | Avidin-Biotin-Peroxidase Diluent | 12ml |
| AR1104 | Color Developing Reagent (TMB) | 10ml |
| AR1105 | Stop Solution | 10ml |
| AR1106-5 | Wash Buffer (25x) | 20ml |
| PLA-SEA | Adhesive plate sealers | 4 |
*The kit components are not available for individual purchase.
Materials Required But Not Included In Kit
- Microplate Reader capable of reading absorbance at 450nm.
- Incubator.
- Automated plate washer (optional).
- Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
- Multichannel pipettes are recommended for large amount of samples.
- Deionized or distilled water.
- 500ml graduated cylinders.
- Test tubes for dilution.
Data Examples, Quality Control Data
Validation Standard Curve O.D. At 450nm
| Concentration (pg/ml) | 0 | 15.6 | 31.2 | 62.5 | 125 | 250 | 500 | 1000 |
| O.D. | 0.102 | 0.199 | 0.291 | 0.443 | 0.711 | 1.156 | 1.676 | 2.315 |
Data Example Images
Click image to see more details
Horse equine TGF alpha PicoKine ELISA Kit standard curve
Intra Assay Consistency & Inter Assay Consistency
We measured random samples of Horse equine TGF Alpha ELISA Kit PicoKine® within the same batch/lot to ensure the consistency of the kits' performances. ELISA intra assay consistency is measured using wells from the same plate/assay kit. ELISA inter assay consistency is measured using wells from different plates from the same batch production/lot.
| Intra-Assay Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 16 | 16 | 16 | 24 | 24 | 24 |
| Mean (pg/ml) | 118 | 225 | 516 | 126 | 238 | 509 |
| Standard deviation | 5.43 | 12.83 | 16.5 | 8.95 | 14.28 | 27 |
| CV (%) | 4.6 | 5.7 | 3.2 | 7.1 | 6 | 5.3 |
Protein Target Info & Infographic
Gene/Protein Information For TGFA (Source: Uniprot.Org, NCBI)
Gene Name
TGFA
Full Name
Protransforming growth factor alpha
Weight
17006 MW
Alternative Names
Protransforming growth factor alpha;Transforming growth factor alpha;TGF-alpha;EGF-like TGF;ETGF;TGF type 1;TGFA; TGFA TFGA transforming growth factor alpha protransforming growth factor alpha|TGF-alpha
*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 TGFA, check out the TGFA 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 TGFA: database IDs, super-family, 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 us [email protected].
Specific Publications For Horse equine TGF Alpha ELISA Kit PicoKine® (EK0511-EQ)
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Customer Q&As
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7 Customer Q&As for Horse equine TGF Alpha ELISA Kit PicoKine®
Question
Q: can you recommend the dilution ratio of serum samples for detection of TGF-alpha in Horse serum? I am trying to measure a few analytes and it requires 100ul of diluted samples for each well. We have limited sample quantitys so we like to dilute as much as possible.
Verified Customer
Verified customer
Asked: 2020-12-19
Answer
A: having little idea about the physiological or pathological context of your samples we cannot recommend a dilution ratio without performing a pilot test with your samples. Here is how you can perform a pilot study on your own: perform a serial dilution of your samples on the TGF-alpha ELISA kit to make sure you have a linear ascending curve followed by a plateau, which signifies the samples saturating the detection limit of the kit. Then you can pick the dilution ratios from samples in the linear part of the curve as your experimental dilution ratio.
If you are interested in using our ELISA service, you can also send us your sample and we will take care of everything for you. You can check our service details here: bosterbio.com/services/assay-services/ELISA-testing-service
Since you mentioned you have limited samples, our cost effective multiplex ELISA service would fit perfectly for your needs, where we can generate dozens of data points using as little as 25ul sample volume. Information on this service is also in the above link.
Boster Scientific Support
Answered: 2020-12-19
Question
Q: how much samples can be assayed in a Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2020-10-29
Answer
A: The Picokine® ELISA Kits will generally run a 7-point standard curve, non-specific binding wells, and 39 samples in duplicate. this may depends upon the kit used so please refer to each datasheet for details.
Boster Scientific Support
Answered: 2020-10-29
Question
Q: What is the optimal O.D. value for TGF-alpha ELISA kit? I used your TGF-alpha ELISA on serum samples. For my positive control, I received an O.D. value of 0.826, while my negative control received a value of 0.136. I obtained both of these controls from the ELISA kit, where your kit's typical data shows O.D. values much higher than my positive control and your background is lower. My samples O.D. values are around 0.225 and the highest is only 0.357. is it safe to say these samples contain TGF-alpha even though the O.D. values are not very high?
C. Zhou
Verified customer
Asked: 2020-07-08
Answer
A: The absolute O.D. values may change according to incubation time. The more you incubate the higher the O.D. values are going to be. an important assessment should be is whether your sample O.D. values are statistically significantly higher than your blank values. in your example, you could extend your development time in the substrate incubation step to obtain higher O.D. values, as long as your negative controls' O.D. values are not increasing faster in relation to your positive controls. typically, a sample with O.D. value 2 standard deviations higher than your negative controls can be considered positive. We calculate the sensitivity of this ELISA kit by converting cutoff O.D. value, calculated as the average of 20 negative controls plus 2 standard deviations of the 20 negative controls, into a concentration. in other words, when we claim this TGF-alpha ELISA kit to have sensitivity of 1pg/ml, that means the minimum amount of TGF-alpha that can be declared/interpreted as positive by the above standard is 1pg/ml.
Boster Scientific Support
Answered: 2020-07-08
Question
Q: can you tell me how to prepare cell lysates prepared for use in Picokine® ELISA kits?
Verified Customer
Verified customer
Asked: 2020-07-06
Answer
A: for those Picokine® ELISAs where cell or tissue lysate is a validated sample type, sample preparation instructions for lysate are included in the product insert. Components in lysate and lysis buffer can affect immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.
Boster Scientific Support
Answered: 2020-07-06
Question
Q: if the enzyme conjugated TGF-alpha antibodies are mixed with the substrate, will that convert the substrate into the enzymatic reaction product? Or the enzyme function is only activated when the antibody is attached with the TGF-alpha antigen?
Verified Customer
Verified customer
Asked: 2019-11-10
Answer
A: The enzyme is always active. Avoid contaminating the substrate with enzyme prior to the incubation otherwise it compromises the assay with false positive signal.
Boster Scientific Support
Answered: 2019-11-10
Question
Q: how long can samples (cell cultures, serum, and plasma) be stored and still be stable for quantification TGF-alpha using the EK0511-EQ Horse TGF-alpha Picokine® ELISA Kit?
Verified Customer
Verified customer
Asked: 2019-08-14
Answer
A: Boster Bio does not assess sample stability. Variations in sample collection, processing, and storage may affect the stabilityof samples. It is recommend to assay sample immediately after collection when possible, or aliquot into single use volumes and store samples frozen. avoid repetitive freeze-thaw cycles with the stored samples in order to prevent protein degradation.
Boster Scientific Support
Answered: 2019-08-14
Question
Q: how can I thaw whole blood sample for TGF-alpha ELISA after freezing?
Verified Customer
Verified customer
Asked: 2017-02-07
Answer
A: we do not recommend freezing and thaw whole blood. erythrocytes are fragile and, if frozen and thawed, will undergo hemolysis rendering the samples useless. To keep your blood samples to test TGF-alpha for a later time, you should let the blood clot in glass tubes and separate the serum to freeze for later analysis.
Boster Scientific Support
Answered: 2017-02-07
