Catalog #CP229
RecombiMAb anti-mouse MAdCAM-1 (LALA-PG)
Clone
MECA-367-CP229
Reactivities
Mouse
Applications
in vivo MAdCAM-1 neutralization
Immunofluorescence
*Reported for the original Rat IgG2a antibody
Immunofluorescence
*Reported for the original Rat IgG2a antibody
Isotype
Mouse IgG2a (LALA-PG), κ
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Product Description
The MECA-367-CP229 antibody is a recombinant, chimeric version of the original MECA-367 antibody. The variable domain sequences are identical but the constant region sequences have been switched from Rat IgG2a, κ to mouse IgG2a, κ for use in murine models. Additionally, the constant region includes the Fc silencing mutation variant LALA-PG, rendering it unable to bind endogenous murine Fcγ receptors or C1q to induce antibody-dependent cell-mediated cytotoxicity (ADCC) or complement-dependent cytotoxicity (CDC). This is useful for pure target blockade without Fc‑mediated effector functions, so that the biological readout reflects MAdCAM‑1 inhibition rather than immune cell depletion or Fc‑dependent inflammation. The LALA-PG variant has demonstrated significantly reduced effector function, C1q binding and C3 fixation compared to other common silencing mutations while retaining favorable biophysical and manufacturing properties and preserving FcRn-mediated half-life. Species-matched chimeric antibodies demonstrate reduced immunogenicity and formation of anti-drug antibodies (ADAs) compared to xenogenic antibodies in animal models. The highly controlled sequence and lack of genetic drift in recombinant antibodies provide more reliable and reproducible results over hybridoma derived antibodies.
The MECA-367-CP229 monoclonal antibody reacts with mouse MAdCAM-1 (mucosal addressin cell adhesion molecule-1) a 50-60 kDa member of the Ig superfamily. MAdCAM-1 is primarily expressed on high endothelial venules in Peyer’s patches, mesenteric lymph nodes and gut lamina propria. MAdCAM-1 interacts with LPAM-1 and CD62L to facilitate lymphocyte tethering, rolling, and homing. The MECA-367 antibody has been shown to block the interaction of MAdCAM-1 with its receptor in vivo and in vitro.
The MECA-367-CP229 monoclonal antibody reacts with mouse MAdCAM-1 (mucosal addressin cell adhesion molecule-1) a 50-60 kDa member of the Ig superfamily. MAdCAM-1 is primarily expressed on high endothelial venules in Peyer’s patches, mesenteric lymph nodes and gut lamina propria. MAdCAM-1 interacts with LPAM-1 and CD62L to facilitate lymphocyte tethering, rolling, and homing. The MECA-367 antibody has been shown to block the interaction of MAdCAM-1 with its receptor in vivo and in vitro.
Specifications
| Isotype | Mouse IgG2a (LALA-PG), κ |
|---|---|
| Recommended Isotype Control(s) | RecombiMAb mouse IgG2a (LALA-PG) isotype control, anti-hen egg lysozyme |
| Recommended Dilution Buffer | InVivoPure pH 7.0 Dilution Buffer |
| Mutations | LALA-PG |
| Immunogen | Endothelial cells isolated from BALB/c mouse |
| Reported Applications |
in vivo MAdCAM-1 neutralization Immunofluorescence *Reported for the original Rat IgG2a antibody |
| Formulation |
PBS, pH 7.0 Contains no stabilizers or preservatives |
| Endotoxin |
≤0.5EU/mg (≤0.0005EU/μg) Determined by LAL assay |
| Aggregation |
<5% Determined by SEC |
| Purity |
≥95% Determined by SDS-PAGE |
| Sterility | 0.2 µm filtration |
| Production | Purified from mammalian cell supernatant in an animal-free facility |
| Purification | Protein A |
| 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 |
| Storage | The antibody solution should be stored at the stock concentration at 4°C. Do not freeze. |
| Need a Custom Formulation? | See All Antibody Customization Options |