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Cell Signaling Mda-5 (D74e4) Rabbit mAb
Cell Signaling Mda-5 (D74e4) Rabbit mAb - CSIG (Additional S&H or Hazmat Fees May Apply)
List Price
$139.00
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$139.00
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NETA PART: | CSIG-5321T |
MFG.PART: | 5321T |
UNSPSC: | 12352203 |
Manufacturer: | Cell Signaling |
Size | 20 µl |
Reactivity | H M |
Sensitivity | Endogenous |
Molecular Weight (kDa) | 135 |
Source/Isotype | Rabbit IgG |
Application/Dilution | {Western Blotting: 1:1000, Immunoprecipitation: 1:100} |
Storage | Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody. |
Specificity/Sensitivity | MDA-5 (D74E4) Rabbit mAb detects endogenous levels of total MDA-5 protein. |
Species Reactivity | Human, Mouse |
Source/Purification | Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Arg470 of human MDA-5. |
Background | Antiviral innate immunity depends on the combination of parallel pathways triggered by virus detecting proteins in the Toll-like receptor (TLR) family and RNA helicases, such as Rig-I (retinoic acid-inducible gene I) and MDA-5 (melanoma differentiation-associated antigen 5), which promote the transcription of type I interferons (IFN) and antiviral enzymes (1-3). TLRs and helicase proteins contain sites that recognize the molecular patterns of different virus types, including DNA, single-stranded RNA (ssRNA), double-stranded RNA (dsRNA), and glycoproteins. These antiviral proteins are found in different cell compartments; TLRs (i.e. TLR3, TLR7, TLR8, and TLR9) are expressed on endosomal membranes and helicases are localized to the cytoplasm. Rig-I expression is induced by retinoic acid, LPS, IFN, and viral infection (4,5). Both Rig-I and MDA-5 share a DExD/H-box helicase domain that detects viral dsRNA and two amino-terminal caspase recruitment domains (CARD) that are required for triggering downstream signaling (4-7). Rig-I binds both dsRNA and viral ssRNA that contains a 5-triphosphate end not seen in host RNA (8,9). Though structurally related, Rig-I and MDA-5 detect a distinct set of viruses (10,11). The CARD domain of the helicases, which is sufficient to generate signaling and IFN production, is recruited to the CARD domain of the MAVS/VISA/Cardif/IPS-1 mitochondrial protein, which triggers activation of NF-κB, TBK1/IKKε, and IRF-3/IRF-7 (12-15).MDA-5 (16,17), also named Ifih1 (interferon induced with helicase C domain 1), RH116 (RNA helicase-DEAD box protein 116) (18), or Helicard (19) is found to be induced by interferon. During apoptosis, MDA-5 is cleaved by caspases, separating the helicase and CARD domains (19). MDA-5 is uniquely activated by picornavirus (20) and measles virus (21). |
SKU | CSIG-5321T |
---|---|
Supplier Part Number | 5321T |
UM | EA |
UNSPSC | 12352203 |
Manufacturer | Cell Signaling |
MSDS URL | https://www.cellsignal.com/contents/technical/safety-data-sheet-(sds)/resources-safety-data-sheets |
Temperature | -20C |
ProductLine | CSIG |
Qty | 1 |
MinOrderQty | 1 |
Weight | 7.00 |
Lead Time | 5 Business Days |
Hazardous | N |