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VivoGenie Anti-Human CD276 (B7-H3) (Mirzotamab) - Fc Reduced Biosimilar (IVMB0522)

SKU:
IVMB0522
Antibody Type:
In Vivo Biosimilar
Endotoxin Level:
Low Endotoxin
Applications:
In Vivo
Disease Area:
Cancer Immunotherapy
Disease Area:
Tumor Microenvironment
€909

Description

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Product Name:Anti-Human CD276 (B7-H3) (Mirzotamab)
SKU:IVMB0522
Size:500 µg
Antibody Type:Biosimilar Recombinant Human Monoclonal Antibody
Clone:ABBV-155
Target:CD276
Isotype:Human IgG1κ
Host Species:Human
Reactivity:Human
Applications:ELISA
Expression Host:HEK-293 Cells
FC Effector Activity:Muted
Synonyms:ABBV-155, anti-CD276, B7-H3, B7H3
Product Concentration:≥ 5.0 mg/ml
Purity:≥95% by SDS Page
Immunogen:Human CD276/B7-H3
Endotoxin Level:< 1.0 EU/mg as determined by the LAL method
Antigen Distribution:CD276 is weakly expressed on activated lymphocytes, macrophages, dendritic cells, nasal and airway epithelial cells, and osteoblasts. A soluble form is secreted by monocytes, dendritic cells, and activated T cells. CD276 can be abundant in tumor cells.
Formulation:This biosimilar antibody is aseptically packaged and formulated in 0.01 M phosphate buffered saline (150 mM NaCl) PBS pH 7.2 - 7.4 with no carrier protein, potassium, calcium or preservatives added. Due to inherent biochemical properties of antibodies, certain products may be prone to precipitation over time. Precipitation may be removed by aseptic centrifugation and/or filtration.
Specificity:This non-therapeutic biosimilar antibody uses the same variable region sequence as the therapeutic antibody Mirzotamab. This product is for research use only. Mirzotamab activity is directed against Human CD276 (B7-H3).
Additional Applications Reported In Literature:FC FA ELISA WB IP

CD276, also known as B7 homolog 3 protein (B7-H3), is a member of the B7 superfamily and acts as an immune checkpoint molecule and a costimulatory/coinhibitory immunoregulatory protein1. CD276 influences innate and adaptive immunity, regulates the aggressiveness of cancer cells, and is thought to play an important role in tumor development and cancer immunity. CD276 has been studied in many cancers, including breast, lung, ovarian, brain, gastric, and squamous cell carcinoma.

Human CD276 exists as either a soluble isoform or as a ~45–66 kDa type I transmembrane protein that is composed of an extracellular domain, a transmembrane domain, and a short intracellular domain1. Soluble CD276 is produced by cleavage from the cell surface or via alternative intron splicing and has been found in the secretomes of exosomes and other extracellular vesicles.

In normal human tissues, CD276 mRNA is widely and abundantly expressed but protein abundance is low1. miR-124 is thought to cause translational repression of CD276 by targeting its 3’-UTR, while other miRNAs are known to affect CD276 expression. In tumor cells, CD276 mRNA and protein are abundant, and its presence is correlated with worsened prognosis, poor survival, recurrence rate, and enhanced invasive and migratory properties1, 2. CD276 is known to act as a T cell inhibitor that promotes tumor proliferation and invasion and is an immune checkpoint molecule in the epithelial mesenchymal transition pathway2.

Blocking CD276 with monoclonal antibodies reduces tumor growth and prolongs survival in mouse models of various cancers 1, 2. Additionally, a first-in-human study shows that monotherapy with mirzotamab clezutoclax, a first-in class antibody drug conjugate composed of mirzotamab conjugated via a solubilizing linker to a B cell lymphoma – extra long (BCL-XL) inhibitor, has potential anti-tumor activity3, 4.

Ligand/Receptor:CD276/B7-H3
State of Matter:Liquid
Regulatory Status:Research Use Only (RUO). Non-Therapeutic.
Product Preparation:Recombinant biosimilar antibodies are manufactured in an animal free facility using onlyin vitroprotein free cell culture techniques and are purified by a multi-step process including the use of protein A or G to assure extremely low levels of endotoxins, leachable protein A or aggregates.
Pathogen Testing:To protect mouse colonies from infection by pathogens and to assure that experimental preclinical data is not affected by such pathogens, all of Leinco’s recombinant biosimilar antibodies are tested and guaranteed to be negative for all pathogens in the IDEXX IMPACT I Mouse Profile.
Storage and Handling:Functional grade biosimilar antibodies may be stored sterile as received at 2-8°C for up to one month. For longer term storage, aseptically aliquot in working volumes without diluting and store at -80°C. Avoid Repeated Freeze Thaw Cycles.
UniProt:Q5ZPR3
Research Area:Biosimilars

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