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IFIH1 / MDA5

interferon induced with helicase C domain 1

Innate immune receptor which acts as a cytoplasmic sensor of viral nucleic acids and plays a major role in sensing viral infection and in the activation of a cascade of antiviral responses including the induction of type I interferons and proinflammatory cytokines. Its ligands include mRNA lacking 2'-O-methylation at their 5' cap and long-dsRNA (>1 kb in length). Upon ligand binding it associates with mitochondria antiviral signaling protein (MAVS/IPS1) which activates the IKK-related kinases: TBK1 and IKBKE which phosphorylate interferon regulatory factors: IRF3 and IRF7 which in turn activate transcription of antiviral immunological genes, including interferons (IFNs); IFN-alpha and IFN-beta. Responsible for detecting the Picornaviridae family members such as encephalomyocarditis virus (EMCV) and mengo encephalomyocarditis virus (ENMG). Can also detect other viruses such as dengue virus (DENV), west Nile virus (WNV), and reovirus. Also involved in antiviral signaling in response to viruses containing a dsDNA genome, such as vaccinia virus. Plays an important role in amplifying innate immune signaling through recognition of RNA metabolites that are produced during virus infection by ribonuclease L (RNase L). May play an important role in enhancing natural killer cell function and may be involved in growth inhibition and apoptosis in several tumor cell lines.

Gene Name: interferon induced with helicase C domain 1
Family/Subfamily: DEAD box protein
Synonyms: IFIH1, Helicase with 2 CARD domains, MDA-5, MDA5, Helicard, IDDM19, RLR-2, RH116, CADM-140 autoantigen, Hlcd, RIG-I-like receptor 2
Target Sequences: NM_022168 NP_071451.2 Q9BYX4

Publications (1)

1
RNA helicase encoded by melanoma differentiation-associated gene 5 is a major autoantigen in patients with clinically amyopathic dermatomyositis: Association with rapidly progressive interstitial lung disease. Sato S, Hoshino K, Satoh T, Fujita T, Kawakami Y, Fujita T, Kuwana M. Arthritis and rheumatism. 2009 60:2193-200. [PubMed:19565506] Related Antibodies: LS-C55097.

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IFIH1 / MDA5 (4)
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IFIH1 / MDA5 ELISA Kit
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96-Well Strip Plate
Human
78.125 - 5000 pg/ml
Colorimetric - 450nm (TMB)
Plasma, Serum, Tissue Homogenates
1 Plate/$587
IFIH1 / MDA5 ELISA Kit
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Sandwich
96-Well Strip Plate
Mouse
31.2 - 2000 pg/ml
Colorimetric - 450nm (TMB)
Cell Culture Supernatants, Plasma, Serum, Tissue Homogenates
1 Plate/$669
IFIH1 / MDA5 ELISA Kit
Select
Sandwich
96-Well Strip Plate
Human
78 - 5000 pg/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$669
IFIH1 / MDA5 ELISA Kit
Select
Sandwich
96-Well Strip Plate
Human
0.313 - 20 ng/ml
Colorimetric - 450nm (TMB)
Cell Lysates, Tissue Homogenates
1 Plate/$792
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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).