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Astegolimab

Astegolimab (MSTT 1041A; RG 6149) is a human IgG2 monoclonal antibody. Astegolimab blocks IL-33 signaling by targeting the IL-33 receptor ST2. Astegolimab reduces p53 expression, mitigates IL33-upregulated SASP factors such as IL1α, IL6 and MCP1. Astegolimab mitigates IL33-increased p-p65/p65 ratio. Astegolimab blocks CM-induced neutrophil extracellular trap (NET) formation. Astegolimab is used in chronic obstructive pulmonary disease (COPD) and myocardial research[1][2][3].

Product Specifications

CAS Number

2173054-79-8

Product Name Alternative

MSTT 1041A; RG 6149

UNSPSC

12352203

Target

Interleukin Related; MDM-2/p53; NF-κB

Type

Inhibitory Antibodies

Related Pathways

Apoptosis; Immunology/Inflammation; NF-κB

Applications

COVID-19-immunoregulation

Field of Research

Inflammation/Immunology; Cardiovascular Disease

Assay Protocol

https://www.medchemexpress.com/astegolimab.html

Purity

99.00

Solubility

H2O

Smiles

[Astegolimab]

Molecular Weight

(144.98 kDa)

References & Citations

[1]Steven G Kelsen, et al. Astegolimab (anti-ST2) efficacy and safety in adults with severe asthma: A randomized clinical trial. J Allergy Clin Immunol. 2021 Sep;148 (3) :790-798.|[2]Yi N, et al. Lenvatinib-activated NDUFA4L2/IL33/PADI4 pathway induces neutrophil extracellular traps that inhibit cuproptosis in hepatocellular carcinoma. Cell Oncol (Dordr) . 2025 Apr;48 (2) :487-504.|[3]Wu L, et al. Mechanistic role of RND3-regulated IL33/ST2 signaling on cardiomyocyte senescence. Life Sci. 2024 Jul 1;348:122701.

Shipping Conditions

Dry Ice

Storage Conditions

Store at -80°C for 2 years

Scientific Category

Inhibitory Antibodies

Clinical Information

Phase 3

Isoform

IL-33

Available Sizes

Frequently Asked Questions

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