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- Table of Contents
Icos antibody (A00291-2) performs well in ELISA, IHC, WB and shows reactivity with Human, Mouse, Rat.
- Validated for inter-lot consistency, specificity, and reproducibility
- Committed to quality since 1993
- Over 1 Publication
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IHC analysis of ICOS using anti-ICOS antibody (A00291-2).
ICOS was detected in paraffin-embedded section of mouse spleen 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 1μg/ml rabbit anti-ICOS Antibody (A00291-2) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
ICOS was detected in paraffin-embedded section of mouse spleen 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 1μg/ml rabbit anti-ICOS Antibody (A00291-2) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC)(Catalog # SA1022) with DAB as the chromogen.
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Anti-ICOS Antibody Picoband®
Icos antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Mouse, Rat | Rabbit | ELISA, IHC, WB |
Tested Applications
Icos antibody was positively detected by WB in:
mouse stomach tissue, mouse spleen tissue, mouse thymus tissue, mouse small intestine tissue, rat thymus tissue, human placenta tissue
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
Icos antibody was positively detected by IHC in:
mouse spleen tissue, mouse thymus tissue, rat spleen tissue
Use TE buffer pH 9.0 for antigen retrieval; (*) citrate buffer pH 6.0 is an alternative.
Recommend Dilution
Application
Dilution
Species
Western blot
0.1-0.5μg/ml
Immunohistochemistry (Paraffin-embedded Section)
0.5-1μg/ml
ELISA
0.1-0.5μg/ml
* It is recommended to optimize the amount of this reagent in each experimental system to achieve the best results.
Reactive Data
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WB
IHC
IF
ELISA
Mouse
Tested
Tested
Recommend
Recommend
Rat
Tested
Tested
Recommend
Recommend
Human
Tested
Recommend
Product Information
Product Name
Anti-ICOS Antibody Picoband®
View all ICOS Antibodies
View all ICOS Antibodies
Form
Lyophilized
Uniprot
Gene ID
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.
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 mouse ICOS recombinant protein (Position: E21-S200).
Cross-Reactivity
No cross-reactivity with other proteins.
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
20 kDa
Calculated Molecular Weight
22.7 kDa
Background of Icos
Inducible T-cell costimulator is an immune checkpoint protein that in humans is encoded by the ICOS gene. The protein encoded by this gene belongs to the CD28 and CTLA-4 cell-surface receptor family. It forms homodimers and plays an important role in cell-cell signaling, immune responses, and regulation of cell proliferation.
Cite This Product
Anti-ICOS Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00291-2)
Antibody Homology Across Species
The results generated by this homology analysis tool for commonly used animal species are shown below. For unlisted species, please refer to the homology analysis between the immunogen sequence and the corresponding species.
A homology of ≥90% is recommended. Generally, higher homology indicates a greater potential for cross-species reactivity. However, protein expression levels may vary among different species, tissues, and cell types. Therefore, the homology analysis results are for reference only and do not guarantee antibody cross-reactivity or experimental performance.
Mouse
100%
High Homology
Rat
85%
Moderate Homology
Human
72%
Moderate Homology
Monkey
71%
Moderate Homology
Rabbit
69%
Low homology
Sheep
67%
Low homology
Cow
66%
Low homology
Dog
65%
Low homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for Icos antibody
Immunohistochemistry (IHC) protocol for Icos antibody
Publications
Application:
Species:
Identification of m6A methyltransferase-related WTAP and ZC3H13 predicts immune infiltrates in glioblastoma
Published: 2025-02-05
Journal: Scientific Reports
Application: WB
Impact Factor: 3.90
Species: Human
PMID: 39910141
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In stock
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A00291-2
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00
Troubleshooting
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We promise all of our products perform as described in datasheets.
This product is for Research Use Only. Not for use in diagnostic procedures.
Update date:
Sep 28, 2026