Anti-Annexin A1/ANXA1 Antibody Picoband™

Product Name

Anti-Annexin A1/ANXA1 Antibody Picoband™

View all Annexin A1 Antibodies

SKU/Catalog Number

PB9127

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-Annexin A1/ANXA1 Antibody Picoband™ catalog # PB9127. Tested in IHC, WB applications. This antibody reacts with Human, Monkey, Rat.

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-Annexin A1/ANXA1 Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB9127)

Host

Rabbit

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

E.coli-derived human Annexin A1 recombinant protein (Position: A2-N346). Human Annexin A1 shares 88% and 89% amino acid (aa) sequences identity with mouse and rat Annexin A1, respectively.

*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

PB9127 is reactive to ANXA1 in Human, Monkey, Rat

Applications

PB9127 is guaranteed for IHC, WB Boster Guarantee

Observed Molecular Weight

39 kDa

Calculated molecular weight

38.714kDa

Background of Annexin A1

ANXA1, also known as lipocortin I or Annexin A1, is a protein that in humans is encoded by the ANXA1 gene. It is mapped to 9q21.13. ANXA1 belongs to a family of Ca (2+)-dependent phospholipid binding proteins which have a molecular weight of approximately 35,000 to 40,000 and are preferentially located on the cytosolic face of the plasma membrane. ANXA1 protein has an apparent relative molecular mass of 40 kDa, with phospholipase A2 inhibitory activity. Lower peptide concentrations possibly found in inflammatory situations elicit Ca (2+) transients without fully activating the mitogen-activated protein kinase pathway. This causes a specific inhibition of the transendothelial migration of neutrophils and a desensitization of neutrophils toward a chemoattractant challenge. These findings identified ANXA1 peptides as novel, endogenous FPR ligands and established a mechanistic basis of ANXA1-mediated antiinflammatory effects.

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.

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Reconsitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

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, Human, Monkey, Rat
Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml, Human, Rat, By Heat

Validation Images & Assay Conditions

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Figure 1. Western blot analysis of Annexin A1/ANXA1 using anti-Annexin A1/ANXA1 antibody (PB9127).
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 30ug of sample under reducing conditions.
Lane 1: human Hela whole cell lysates,
Lane 2: human K562 whole cell lysates,
Lane 3: monkey COS-7 whole cell lysates,
Lane 4: human A549 whole cell lysates,
Lane 5: human PC-3 whole cell lysates,
Lane 6: human U20S whole cell lysates,
Lane 7: rat spleen tissue lysates,
Lane 8: rat lung tissue lysates,
Lane 9: rat kidney tissue lysates,
Lane 10: rat C6 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-Annexin A1/ANXA1 antigen affinity purified polyclonal antibody (Catalog # PB9127) at 0.5 μg/mL overnight at 4°C, 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 1:5000 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 Annexin A1/ANXA1 at approximately 39KD. The expected band size for Annexin A1/ANXA1 is at 39KD.

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Figure 2. IHC analysis of Annexin A1 using anti-Annexin A1 antibody (PB9127).
Annexin A1 was detected in a paraffin-embedded section of human tonsil tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1 μg/ml rabbit anti-Annexin A1 Antibody (PB9127) 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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Figure 3. IHC analysis of Annexin A1 using anti-Annexin A1 antibody (PB9127).
Annexin A1 was detected in a paraffin-embedded section of rat lung tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1 μg/ml rabbit anti-Annexin A1 Antibody (PB9127) 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.

Gene/Protein Information For ANXA1 (Source: Uniprot.org, NCBI)

Alternative Names

Annexin A1; annexin I (lipocortin I); Annexin I; Annexin-1; ANX1; ANXA1; Calpactin II; calpactin-2; chromobindin-9; Lipocortin I; LPC1; LPC1annexin-1; p35; Phospholipase A2 inhibitory protein ANXA1 ANX1, LPC1 annexin A1 annexin A1|annexin I (lipocortin I)|annexin-1|calpactin II|calpactin-2|chromobindin-9|epididymis secretory sperm binding protein|phospholipase A2 inhibitory protein

For more info on ANXA1, check out the ANXA1 Infographic

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In this infographic, you will see the following information for ANXA1: 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].

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