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Your Position: Home > Antibody > 4-1BB > GMP-M41B35

GMP Monoclonal Anti-Human 4-1BB Antibody

Premium grade version 41B-CH25G1 is now available for seamless transition.

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  • Features
    1. Designed under ISO 9001:2015 and ISO 13485:2016

    2. Manufactured and QC tested under a GMP compliance factory

    3. Animal-Free materials

    4. Beta-lactam materials free

    5. Batch-to-batch consistency

    6. Stringent quality control tests

  • Source
    GMP Monoclonal Anti-Human 4-1BB Antibody (GMP-M41B35) is a chimeric monoclonal antibody recombinantly produced from CHO cells, which combines the variable region of a human monoclonal antibody with mouse IgG1 constant domain.
  • Isotype
    Mouse IgG1 | Mouse Kappa
  • Conjugate

    Unconjugated

  • Specificity
    This product is a specific antibody specifically reacts with 4-1BB.
  • Endotoxin
    Less than 0.002 EU per μg by the LAL method / rFC method.
  • Protein A
    <5 ppm of protein tested by ELISA.
  • Host Cell Protein
    <0.5 ng/μg of protein tested by ELISA.
  • Host Cell DNA
    <0.02 ng/μg of protein tested by qPCR.
  • Purity

    >95% as determined by SDS-PAGE.

  • Sterility
    The sterility testing was performed by membrane filtration method described in USP<71> and Ph. Eur. 2.6.1.
  • Mycoplasma
    Negative
  • Formulation

    Supplied as 0.2 μm filtered solution in PBS, pH7.4 with protectants.

    Contact us for customized product form or formulation.

  • Shipping

    This product is supplied and shipped with dry ice, please inquire the shipping cost.

  • Storage

    For long term storage, the product should be stored at liquid state at -20°C or below.

    This product is stable after storage at:

    1. -20°C or below for 24 months under sterile conditions;
    2. 2-8°C for 24 months after thaw if within expiry date.
SDS-PAGE
4-1BB SDS-PAGE

GMP Monoclonal Anti-Human 4-1BB Antibody on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).

Bioactivity-CELL BASE
 4-1BB CELL

GMP Monoclonal Anti-Human 4-1BB Antibody (Cat. No. GMP-M41B35) stimulates the secretion of IL-8 by HT1080 human CD137 cell line. The typically EC50 for this effect is 45.30 ng/mL (QC tested).

Bioactivity-Stability
 4-1BB STABILITY

The Cell based assay shows that GMP Monoclonal Anti-Human 4-1BB Antibody (Cat. No. GMP-M41B35) is stable at 37℃ for 15 days.

 4-1BB STABILITY

The Cell based assay shows that GMP Monoclonal Anti-Human 4-1BB Antibody (Cat. No. GMP-M41B35 ) is stable after freezing and thawing 3 times.

  • MANUFACTURING SPECIFICATIONS

    ACROBiosystems GMP grade products are produced under a quality management system and in compliance with relevant guidelines: Ph. Eur General Chapter 5.2.12 Raw materials of biological origin for the production of cell-based and gene therapy medicinal products; USP<92>Growth Factors and Cytokines Used in Cell Therapy Manufacturing; USP<1043>Ancillary Materials for Cell, Gene, and Tissue-Engineered Products; ISO/TS 20399-1:2018, Biotechnology - Ancillary Materials Present During the Production of Cellular Therapeutic Products.


    ACROBiosystems Quality Management System Contents:

    1. Designed under ISO 9001:2015 and ISO 13485:2016, Manufactured and QC tested under a GMP compliance factory

    2. Animal-Free materials

    3. Materials purchased from the approved suppliers by QA

    4. ISO 5 clean rooms and automatic filling equipment

    5. Qualified personnel

    6. Quality-related documents review and approve by QA

    7. Fully batch production and control records

    8. Equipment maintenance and calibration

    9. Validation of analytical procedures

    10. Stability studies conducted

    11. Comprehensive regulatory support files

    Request For Regulatory Support Files(RSF)


    ACROBiosystems provide rigorous quality control tests (fully validated equipment, processes and test methods) on our GMP grade products to ensure that they meet stringent standards in terms of purity, safety, activity and inter-batch stability, and each bulk QC lot mainly contains the following specific information:

    1. SDS-PAGE

    2. Protein content

    3. Endotoxin level

    4. Residual Host Cell DNA content

    5. Residual Host Cell Protein content

    6. Biological activity analysis

    7. Microbial testing

    8. Mycoplasma testing

    9. In vitro virus assay

    10. Batch-to-batch consistency

  • Background
    4-1BB, also known as CD137 and TNFRSF9, is an approximately 30 kDa transmembrane glycoprotein in the TNF receptor superfamily. 4-1BB functions in the development and activation of multiple immune cells. Mature human 4-1BB consists of a 163 amino acid (aa) extracellular domain (ECD) with four TNFR cysteine-rich repeats, a 27 aa transmembrane segment, and a 42 aa cytoplasmic domain . Within the ECD, human 4-1BB shares 60% aa sequence identity with mouse and rat 4-1BB. 4-1BB is expressed as a disulfide-linked homodimer on various populations of activated T cell including CD4, CD8, memory CD8, NKT, and regulatory T cells as well as on myeloid and mast cell progenitors, dendritic cells, mast cells, and bacterially infected osteoblasts . It binds with high affinity to the transmembrane 4-1BB Ligand/TNFSF9 which is expressed on antigen presenting cells and myeloid progenitor cells . This interaction costimulates the proliferation, activation, and/or survival of the 4-1BB expressing cell . It can also enhance the activation-induced cell death of repetitively stimulated T cells . Mice lacking 4-1BB show augmented T cell activation, perhaps due to its absence on regulatory T cells . 4-1BB can associate with OX40 on activated T cells, forming a complex that responds to either ligand and inhibits Treg and CD8 T cell proliferation . Reverse signaling through 4-1BB Ligand inhibits the development of dendritic cells, B cells, and osteoclasts but supports mature dendritic cell survival and costimulates the proliferation and activation of mast cells.
    4-1BB activation enhances CD8 T cell and NK cell mediated anti-tumor immunity . It also contributes to the development of inflammation in high fat diet-induced metabolic syndrome . Soluble forms of 4-1BB and 4-1BB Ligand circulate at elevated levels in the serum of rheumatoid arthritis and hematologic cancer patients, respectively .
  • Clinical and Translational Updates

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