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ifih1

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Official Full Name
interferon induced with helicase C domain 1
Background
Interferon-induced helicase C domain-containing protein 1, also know as MDA5 (Melanoma Differentiation-Associated protein 5), is an enzyme that in humans is encoded by the IFIH1 gene. MDA5 is part of the RIG-I-like receptor (RLR) family, which also includes RIG-I and LGP2, and functions as a pattern recognition receptor (recognizing dsRNA) that is a sensor for viruses. DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases. They are implicated in a number of cellular processes involving alteration of RNA secondary structure such as translation initiation, nuclear and mitochondrial splicing, and ribosome and spliceosome assembly. Based on their distribution patterns, some members of this family are believed to be involved in embryogenesis, spermatogenesis, and cellular growth and division. This gene encodes a DEAD box protein that is upregulated in response to treatment with beta-interferon (IFNB) and a protein kinase C-activating compound, mezerein (MEZ). Irreversible reprogramming of melanomas can be achieved by treatment with both these agents; treatment with either agent alone only achieves reversible differentiation.
Synonyms
IFIH1; interferon induced with helicase C domain 1; Hlcd; MDA5; MDA-5; IDDM19; MGC133047; interferon-induced helicase C domain-containing protein 1; helicard; OTTHUMP00000162935; CADM-140 autoantigen; helicase with 2 CARD domains; RNA helicase-DEAD box protein 116; murabutide down-regulated protein; DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide; melanoma differentiation associated protein-5; melanoma differentiation-associated protein 5; interferon-induced with helicase C domain protein 1; clinically amyopathic dermatomyositis autoantigen 140 kDa; MDA 5; Hlcd, MDA5, MDA-5, RLR-2, IDDM19