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Luspatercept

(Synonyms: ACE-536; luspatercept–aamt)
5 Cited Publications
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Based on 5 publication(s) in Google Scholar

Luspatercept (ACE-536) is a recombinant modified ActRIIB fusion protein that binds with transforming growth factor β superfamily ligands. Luspatercept increases the erythrocyte numbers and promotes maturation of erythroid precursors. Luspatercept binds with GDF11 and inhibits Smad2/3 signaling. Luspatercept can be used for the research of anemia.

For research use only. We do not sell to patients.

  • Purity: 98.92%
  • CAS No.: 1373715-00-4
  • Molecular Weight:75.71 kDa
  • Storage:

    Please store the product under the recommended conditions in the Certificate of Analysis.

  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Experimental Validation Results for Luspatercept
  • Luspatercept Chemical Structure
    Luspatercept Chemical Structure
CAS No.: 1373715-00-4
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
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In Vivo Efficacy StudyBio/Physico-chemical AssayCell Imaging/StainingRT-PCRWBIF
  • Bio/Physico-chemical Assay
  • Cell Imaging/Staining
  • RT-PCR
  • WB
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  • In Vivo Efficacy Study
  • In Vivo Efficacy Study

All TGF-beta/Smad Isoforms

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Assay Types
  • 1/16

    [ACVR2B (activin A receptor type 2B, ActR-IIB, ActRIIB)]2-IGHG1 Fc (Fragment constant)

  • 1/16

    Immobilized HY-P72632 GDF-8 Protein, Human/Mouse/Rat (HEK293) can bind Luspatercept. The EC50 for this effect is 74.63 ng/mL.

  • 1/16

    Immobilized HY-P70222Y GDF-11/BMP-11 Protein, Human (HEK293, solution) can bind Luspatercept. The EC50 for this effect is 99.57 ng/mL.

  • 1/16

    Immobilized Recombinant Anti-ACVR2B Antibody can bind Luspatercept. The EC50 for this effect is 3.08 ng/mL.

  • 1/16

    Loaded Luspatercept on CM5 biosensor, GDF-11/BMP-11 Protein, Human (HEK293, HY-P70222Y) with an affinity constant of 1.80E-08 M as determined in SPR assay.

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Blood Adv. 2025 Nov 5:bloodadvances.2025017340. [Abstract]

    Customer Validation
     Percentages of benzidine-positive K562 cells (blue) treated with 1 μg/mL luspatercept for 0 to 3 days, compared with nontreated control (NTC) cells (n = 3). One-way ANOVA was used for statistical analysis.

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Blood Adv. 2025 Nov 5:bloodadvances.2025017340. [Abstract]

    Customer Validation
     Representative images of benzidine staining of K562 cells treated with 1 μg/mL luspatercept for 0 to 3 days. The red arrows indicate benzidine-positive cells (blue). The images are representative of 3 independent experiments.

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Blood Adv. 2025 Nov 5:bloodadvances.2025017340. [Abstract]

    Customer Validation
     Relative mRNA levels of UBE2O and GATA1 in K562 cells on days 0 to 3 after treatment with 1 μg/mL luspatercept on day 0. One-way ANOVA was used for statistical analysis (n = 3).

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Blood Adv. 2025 Nov 5:bloodadvances.2025017340. [Abstract]

    Customer Validation
     Representative western blot analysis of UBE2O, GATA1, and p-Smad3 in K562 cells treated with 1 μg/mL luspatercept for 0 to 3 days. Vinculin and GAPDH were used as loading controls.

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Blood Adv. 2025 Nov 5:bloodadvances.2025017340. [Abstract]

    Customer Validation
     Representative images of immunofluorescence staining for UBE2O in K562 cells treated with 1 μg/mL luspatercept for 0 to 2 days, compared with NTC cells (n = 5). DAPI staining was used to highlight nuclei.

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Science. 2024 Nov 15;386(6723):eadh9215. [Abstract]

    Customer Validation
     Treatment of β-thalassemic mice with Luspatercept (10 mg/kg twice every week for 8 weeks), an activin receptor IIB ligand trap that promotes late-stage erythropoiesis, led to decreased frequencies of erythroid precursors (ProE and BasoE) and increased levels of RBCs, HCT and Hgb.

  • 1/16

    Luspatercept purchased from MedChemExpress. Usage Cited in: Science. 2024 Nov 15;386(6723):eadh9215. [Abstract]

    Customer Validation
     Luspatercept (10 mg/kg twice every week for 8 weeks) treatment decreased the abundance of glutamate and increased glutamine-to-glutamate ratios in mouse β-thalassemic erythroid cells.

  • Luspatercept Chemical Structure
    1/16
  • Luspatercept
  • Immobilized HY-P72632 GDF-8 Protein, Human/Mouse/Rat (HEK293) can bind Luspatercept. The EC50 for this effect is 74.63 ng/mL.
  • Immobilized HY-P70222Y GDF-11/BMP-11 Protein, Human (HEK293, solution) can bind Luspatercept. The EC50 for this effect is 99.57 ng/mL.
  • Immobilized Recombinant Anti-ACVR2B Antibody can bind Luspatercept. The EC50 for this effect is 3.08 ng/mL.
  • Loaded Luspatercept on CM5 biosensor, GDF-11/BMP-11 Protein, Human (HEK293, HY-P70222Y) with an affinity constant of 1.80E-08 M as determined in SPR assay.