Abcam, ab79055, Anti-MDA5 antibody

Size: 50µg
Rabbit Polyclonal MDA5 antibody. Suitable for WB, IHC-P, ICC/IF and reacts with Human, Mouse samples. Cited in 13 publications. Immunogen corresponding to Synthetic Peptide within Human IFIH1.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Mouse, Human,
Applications:WB, ICC/IF, IHC-PSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human IFIH1. The exact immunogen used to generate this antibody is proprietary information.Q9BYX4

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Storage buffer-pH: 7.4Preservative: 0.02% Sodium azideConstituents: PBS, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
MDA5 also known as melanoma differentiation-associated protein 5 or IFIH1 is a cytosolic sensor involved in the detection of viral RNA. It is a member of the RIG-I-like receptor family and possesses a molecular weight of approximately 116 kilodaltons. MDA5 protein is expressed across various tissues but shows higher expression in the immune system's cells including macrophages and dendritic cells. MDA5 recognizes long double-stranded RNA a common viral replication byproduct triggering immune responses.
Biological function summary
In cellular defense mechanisms MDA5 plays an important role in initiating antiviral responses. It operates as part of a signaling complex that includes MAVS (mitochondrial antiviral-signaling protein) leading to the production of type I interferons and pro-inflammatory cytokines. These responses promote an antiviral state in host cells aiding in the containment and clearance of viral infections. MDA5 antibodies can be useful tools for studying these immune processes.
Pathways
MDA5 interacts with antiviral signaling pathways such as the IFN signaling pathway and the RIG-I-like receptor signaling pathway. Upon recognizing viral RNA MDA-5 cooperates with proteins like RIG-I and MAVS to activate downstream signaling cascades that mediate immune responses. This collaboration enables efficient viral recognition and response limiting viral replication and spread.
MDA5 has associations with autoimmune diseases like systemic lupus erythematosus and certain types of dermatomyositis. These conditions often involve autoantibodies against MDA5 indicating a possible role in pathogenesis. In these diseases altered function or regulation of related proteins including IFN-induced proteins may contribute to chronic inflammation and autoimmunity. Understanding MDA5's involvement in these contexts is essential for developing therapeutic strategies.