Biolegend, 314527, Purified anti-human IgM (Maxpar® Ready) Antibody, 100μg

IgM is the first immunoglobulin made by B cells in the immune response. Surface IgM is expressed on immature and mature B cells, while IgM heavy (μ) chain is expressed intracellularly in pre-B cells.
100μg
Verified Reactivity: Human
Reported Reactivity: African Green, Baboon, Cynomolgus, Rhesus
Antibody Type: Monoclonal
Host Species: Mouse
Immunogen: Human Ig cocktail
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA.
Preparation: The antibody was purified by affinity chromatography.
Concentration: 1.0 mg/ml
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C.
Application: FC - Quality tested CyTOF® - Verified
Recommended Usage: This product is suitable for use with the Maxpar® Metal Labeling Kits. For metal labeling using Maxpar® Ready antibodies, proceed directly to the step to Partially Reduce the Antibody by adding 100 µl of Maxpar® Ready antibody to 100 µl of 4 mM TCEP-R in a 50 kDa filter and continue with the protocol. Always refer to the latest version of Maxpar® User Guide when conjugating Maxpar® Ready antibodies.
Application Notes: MHM-88 antibody reacts with both soluble and membrane human immunoglobulin M (IgM). It does not react with other Ig isotypes. Additional reported applications (for the relevant formats) include: use as a primary or secondary reagent for ELISA analysis. Due to the presence of excess soluble IgM in whole blood, which competes for antibody binding, staining for IgM on cells in whole blood is not recommended.
Additional Product Notes: Maxpar® is a registered trademark of Standard BioTools Inc.
Application References(PubMed link indicates BioLegend citation): Perez-Shiyama C, et al. 2014. J Immunol. 192:5192. PubMed
Product Citations: Stras SF, et al. 2020. Developmental Cell. 51(3):357-373.e5.. PubMed Gruber CN, et al. 2020. Cell. 183:982. PubMed van Montfoort N, et al. 2018. Cell. 175:1744. PubMed Stensland ZC, et al. 2022. iScience. 25:103626. PubMed
RRID: AB_2563776 (BioLegend Cat. No. 314527)
Structure: Ig family
Distribution: B cells
Function: B cell differentiation, humoral immune response; cross-linking surface IgM induces apoptosis
Cell Type: B cells
Biology Area: Immunology
Gene ID: 3507
UniProt: View information about IgM on UniProt.org
Clone: MHM-88
Regulatory Status: RUO
Other Names: Immunoglobulin M
Isotype: Mouse IgG1, κ
Q: Can I obtain CyTOF data related to your Maxpar® Ready antibody clones?
A: We do not test our antibodies by mass cytometry or on a CyTOF machine in-house. The data displayed on our website is provided by Fluidigm®. Please contact Fluidigm® directly for additional data and further details.

http://techsupport.fluidigm.com/
Q: Can I use Maxpar® Ready format clones for flow cytometry staining?
A: We have not tested the Maxpar® Ready antibodies formulated in solution containing EDTA for flow cytometry staining. While it is likely that this will work in majority of the situations, it is best to use the non-EDTA formulated version of the same clone for flow cytometry testing. The presence of EDTA in some situations might negatively affect staining.
Q: I am having difficulty observing a signal after conjugating a metal tag to your Maxpar® antibody. Please help troubleshoot.
A: We only supply the antibody and not test that in house. Please contact Fluidigm® directly for troubleshooting advice: http://techsupport.fluidigm.com/
Q: Is there a difference between buffer formulations related to Maxpar® Ready and purified format antibodies?
A: The Maxpar® Ready format antibody clones are formulated in Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA. The regular purified format clones are formulated in solution that does not contain any EDTA. Both formulations are however without any extra carrier proteins.