Date published: 2026-4-14

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ACTR-IIB Antibody (ACEX12): sc-73682

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  • ACTR-IIB Antibody (ACEX12) is a mouse monoclonal IgG1 provided at 100 µg/ml
  • raised against the extracellular domain of ACTR-IIB of human origin
  • recommended for detection of ACTR-IIB of human origin by WBIP; may cross-react with ACTR-IIA
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for ACTR-IIB Antibody (ACEX12). This work is in progress.
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    ACTR-IIB Antibody (ACEX12) is a mouse monoclonal IgG1 antibody that detects ACTR-IIB in human samples through applications such as western blotting (WB) and immunoprecipitation (IP). ACTR-IIB, also known as ACVR2B, plays a crucial role in the transforming growth factor beta (TGF-β) signaling pathway, which is essential for regulating various cellular processes, including cell differentiation, proliferation, and apoptosis. ACTR-IIB is primarily located on the cell membrane, where ACTR-IIB interacts with other receptor types to form a signaling complex that transmits extracellular signals into the cell, thereby influencing gene expression and developmental processes. ACTR-IIB′s location in the cell enables precise regulation of signaling pathways vital for maintaining cellular homeostasis and responding to environmental cues. Dysregulation of ACTR-IIB has been implicated in various diseases, including cancer and fibrotic disorders, highlighting ACTR-IIB′s significance as a therapeutic target. Anti-ACTR-IIB antibody (ACEX12) serves as an invaluable tool for researchers studying the complexities of TGF-β signaling and its implications in health and disease.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

    LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

    ACTR-IIB Antibody (ACEX12) References:

    1. Structures of an ActRIIB:activin A complex reveal a novel binding mode for TGF-beta ligand:receptor interactions.  |  Thompson, TB., et al. 2003. EMBO J. 22: 1555-66. PMID: 12660162
    2. Characterization of the ligand binding functionality of the extracellular domain of activin receptor type IIb.  |  Sako, D., et al. 2010. J Biol Chem. 285: 21037-48. PMID: 20385559
    3. Interference with myostatin/ActRIIB signaling as a therapeutic strategy for Duchenne muscular dystrophy.  |  Amthor, H. and Hoogaars, WM. 2012. Curr Gene Ther. 12: 245-59. PMID: 22554312
    4. MiR-195 participates in the placental disorder of preeclampsia via targeting activin receptor type-2B in trophoblastic cells.  |  Wu, H., et al. 2016. J Hypertens. 34: 1371-9. PMID: 27176145
    5. Inhibition of the Activin Receptor Type-2B Pathway Restores Regenerative Capacity in Satellite Cell-Depleted Skeletal Muscle.  |  Formicola, L., et al. 2018. Front Physiol. 9: 515. PMID: 29881353
    6. Effects of Roux-en-Y gastric bypass on circulating follistatin, activin A, and peripheral ActRIIB signaling in humans with obesity and type 2 diabetes.  |  Pham, TCP., et al. 2021. Int J Obes (Lond). 45: 316-325. PMID: 32873911
    7. ActRIIB:ALK4-Fc alleviates muscle dysfunction and comorbidities in murine models of neuromuscular disorders.  |  Li, J., et al. 2021. J Clin Invest. 131: PMID: 33586684
    8. The activin receptor ligand trap ActRIIB:ALK4-Fc ameliorates cardiomyopathy induced by neuromuscular disease and diabetes.  |  Li, J., et al. 2022. FEBS Lett. 596: 3145-3158. PMID: 35920165
    9. Blocking ActRIIB and restoring appetite reverses cachexia and improves survival in mice with lung cancer.  |  Queiroz, AL., et al. 2022. Nat Commun. 13: 4633. PMID: 35941104
    10. Gonadotropin elevation is ootoxic to ovulatory oocytes and inhibits oocyte maturation, and activin decoy receptor ActRIIB:Fc therapeutically restores maturation.  |  Bernstein, LR., et al. 2024. Reprod Biol Endocrinol. 22: 52. PMID: 38711160

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    ACTR-IIB Antibody (ACEX12)

    sc-73682
    100 µg/ml
    $322.00

    How much sample do you recommend loading on the gel for Western blot detection using ACTR-IIB (ACEX12): sc-73682?

    Asked by: jenniferc
    We recommend loading 40–60 µg whole cell lysate, 10–20 µg nuclear extract, 5-10 µg transfected lysate, or 10–20 ng purified protein per lane. A link to our complete Western blotting protocol is provided here for your reference. https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
    Answered by: Technical Support
    Date published: 2017-03-27
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    Rated 5 out of 5 by from Was "wonderful"This product it was "wonderful" Its specificity Accuracy sensitivity is particularly high Also particularly strong anti-jamming capability This is a great product
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    Rated 4 out of 5 by from StrongStrong, crisp bands seen in WB using Hep G2, HeLa, Jurkat, K-562 and Ramos whole cell lysates. -SCBT QC
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    ACTR-IIB Antibody (ACEX12) is rated 4.5 out of 5 by 2.
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