InVivoPlus human IgG2 isotype control

Catalog #BP0301
Product Citations:
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$781.00 - $5,568.00

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Product Details

The human IgG2 isotype control antibody is purified from human myeloma serum and is of unknown specificity. This antibody is suitable for use as a non-targeting isotype control in various in vitro and in vivo studies. It can also be used as a negative control in various diagnostic applications such as ELISA, Western blot, immunofluorescence, immunohistochemistry, immunoprecipitation, and flow cytometry. For research use only.

Specifications

Isotype Human IgG2, λ
Recommended Dilution Buffer InVivoPure pH 7.0 Dilution Buffer
Conjugation This product is unconjugated. Conjugation is available via our Antibody Conjugation Services.
Formulation PBS, pH 7.0
Contains no stabilizers or preservatives
Endotoxin* <1EU/mg (<0.001EU/μg)
Determined by LAL gel clotting assay
Aggregation* <5%
Determined by DLS
Purity >95%
Determined by SDS-PAGE
Sterility 0.2 µm filtration
Purification Protein A
RRID AB_2715459
Molecular Weight 150 kDa
Murine Pathogen Tests* Ectromelia/Mousepox Virus: Negative
Hantavirus: Negative
K Virus: Negative
Lactate Dehydrogenase-Elevating Virus: Negative
Lymphocytic Choriomeningitis virus: Negative
Mouse Adenovirus: Negative
Mouse Cytomegalovirus: Negative
Mouse Hepatitis Virus: Negative
Mouse Minute Virus: Negative
Mouse Norovirus: Negative
Mouse Parvovirus: Negative
Mouse Rotavirus: Negative
Mycoplasma Pulmonis: Negative
Pneumonia Virus of Mice: Negative
Polyoma Virus: Negative
Reovirus Screen: Negative
Sendai Virus: Negative
Theiler’s Murine Encephalomyelitis: Negative
Human Pathogen Test Results Hepatitis B Surface Antigen: Negative
Human Immunodeficiency Virus 1 antibodies: Negative
Human Immunodeficiency Virus 2 antibodies: Negative
Hepatitis C Virus antibodies: Negative
* These tests cannot guarantee the absence of infective agents
Storage The antibody solution should be stored at the stock concentration at 4°C. Do not freeze.
* Additional quality control measures for our InVivoPlus™ products include advanced binding validation, murine pathogen screening, protein aggregation screening, and ultra-low endotoxin levels. The superior quality of our InVivoPlus™ products will meet and exceed the strict demands and rigorous standards required for in vivo research. Learn more about the InVivoPlus™ difference here.

Additional Formats

    • Biochemistry and Molecular biology
    • ,
    • Cardiovascular biology
    PCSK9 acts as a key regulator of Aβ clearance across the blood-brain barrier.

    In Cellular and Molecular Life Sciences : CMLS on 27 March 2022 by Mazura, A. D., Ohler, A., et al.

    PubMed

    Despite the neurodegenerative disorder Alzheimer's disease (AD) is the most common form of dementia in late adult life, there is currently no therapy available to prevent the onset or slow down the progression of AD. The progressive cognitive decline in AD correlates with a successive accumulation of cerebral amyloid-β (Aβ) due to impaired clearance mechanisms. A significant percentage is removed by low-density lipoprotein receptor-related protein 1 (LRP1)-mediated transport across the blood-brain barrier (BBB) into the periphery. Circulating proprotein convertase subtilisin/kexin type 9 (PCSK9) binds to members of the low-density lipoprotein receptor protein family at the cell surface and targets them for lysosomal degradation, which reduces the number of functional receptors. However, the adverse impact of PCSK9 on LRP1-mediated brain Aβ clearance remains elusive. By using an established BBB model, we identified reduced LRP1-mediated brain-to-blood Aβ clearance due to PCSK9 across different endothelial monolayer in vitro. Consequently, the repetitive application of FDA-approved monoclonal anti-PCSK9 antibodies into 5xFAD mice decreased the cerebral Aβ burden across variants and aggregation state, which was not reproducible in brain endothelial-specific LRP1-/- 5xFAD mice. The peripheral PCSK9 inhibition reduced Aβ pathology in prefrontal cortex and hippocampus-brain areas critically involved in memory processing-and prevented disease-related impairment in hippocampus-dependent memory formation. Our data suggest that peripheral inhibition of PCSK9 by already available therapeutic antibodies may be a novel and easily applicable potential AD treatment. © 2022. The Author(s).

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