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CD284/MD-2 Complex Rat anti-Mouse, Brilliant Violet 421, Clone: MTS510, BD Optibuild™

Rat Monoclonal Antibody

Manufacturer:  BD Biosciences 740087

Catalog No. BDB740087

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The MTS510 antibody reacts with the molecular complex of Toll-Like Receptor 4 and MD-2 (TLR4-MD-2) which is expressed on LPS responsive macrophages. TLR4, a member of the Toll-Like Receptor Family, has been renamed CD284 and identified to be the transmembrane signal-transducing portion of the receptor for LPS. TLR4 associates on the cell surface with CD14 and MD-2, a 0.7 kDa molecule which is anchored to the membrane via its physical association with TLR4. The association of MD-2 with TLR4 is required for recognition of LPS and the anti-mitotic compound Taxol, which mimics the action of LPS on mouse cells. MTS510 mAb detects TLR4-MD-2 on the surface of thioglycollate-elicited macrophages from all mouse strains tested (ie, BALB/c, C57BL/6, C3H/HeJ, C3H/HeN, and DBA/1), including the C3H/HeJ strain which expresses an LPS-resistant mutant TLR4. Expression of TLR4-MD-2 is down-regulated on peritoneal macrophages after exposure to LPS, correlating with the occurrence of LPS tolerance. TLR4-MD-2 is not detected on splenocytes or thymocytes.

The antibody was conjugated to BD Horizon™ BV421 which is part of the BD Horizon Brilliant™ Violet family of dyes. With an Ex Max of 407-nm and Em Max at 421-nm, BD Horizon BV421 can be excited by the violet laser and detected in the standard Pacific Blue™ filter set (eg, 450/50-nm filter). BD Horizon BV421 conjugates are very bright, often exhibiting a 10 fold improvement in brightness compared to Pacific Blue conjugates.



CD284/MD-2 Complex
Brilliant Violet 421
Aqueous buffered solution containing ≤0.09% sodium azide.
IgG2a, κ
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Flow Cytometry
TLR4/MD-2 Complex
Affinity Purified
Mouse Pro-B cell line Ba/F3 expressing transfected BALB/c mouse TLR4 and MD-2
The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
Product Certifications


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