• Product name

  • Description

    Goat polyclonal to MDA5
  • Host species

  • Tested applications

    Suitable for: IHC-Pmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Synthetic peptide corresponding to Human MDA5 aa 2-14 (N terminal).


    (Peptide available as ab23050)

  • Positive control

    • IHC-P: Human pancreas tissue.


Associated products


Our Abpromise guarantee covers the use of ab4544 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
IHC-P Use a concentration of 10 µg/ml. Perform heat mediated antigen retrieval via the microwave method before commencing with IHC staining protocol.


  • Function

    RNA helicase that, through its ATP-dependent unwinding of RNA, may function to promote message degradation by specific RNases. Seems to have growth suppressive properties. Involved in innate immune defense against viruses. Upon interaction with intracellular dsRNA produced during viral replication, triggers a transduction cascade involving MAVS/IPS1, which results in the activation of NF-kappa-B, IRF3 and IRF7 and the induction of the expression of antiviral cytokines such as IFN-beta and RANTES (CCL5). ATPase activity is specifically induced by dsRNA. Essential for the production of interferons in response to picornaviruses.
  • Tissue specificity

    Widely expressed, at a low level. Expression is detected at slightly highest levels in placenta, pancreas and spleen and at barely levels in detectable brain, testis and lung.
  • Involvement in disease

    Genetic variation in IFIH1 is associated with diabetes mellitus insulin-dependent type 19 (IDDM19) [MIM:610155]. A multifactorial disorder of glucose homeostasis that is characterized by susceptibility to ketoacidosis in the absence of insulin therapy. Clinical fetaures are polydipsia, polyphagia and polyuria which result from hyperglycemia-induced osmotic diuresis and secondary thirst. These derangements result in long-term complications that affect the eyes, kidneys, nerves, and blood vessels.
    Note=IFIH1 is the CADM-140 autoantigen, involved in clinically amyopathic dermatomyositis (CADM). This is a chronic inflammatory disorder that shows typical skin manifestations of dermatomyositis but has no or little evidence of clinical myositis. Anti-CADM-140 antibodies appear to be specific to dermatomyositis, especially CADM. Patients with anti-CADM-140 antibodies frequently develop life-threatening acute progressive interstitial lung disease (ILD).
  • Sequence similarities

    Belongs to the helicase family.
    Contains 2 CARD domains.
    Contains 1 helicase ATP-binding domain.
    Contains 1 helicase C-terminal domain.
  • Post-translational

    During apoptosis, processed into 3 cleavage products. The helicase-containing fragment, once liberated from the CARD domains, translocate from the cytoplasm to the nucleus. The processed protein significantly sensitizes cells to DNA degradation.
  • Cellular localization

    Cytoplasm. Nucleus. May be found in the nucleus, during apoptosis.
  • Information by UniProt
  • Database links

  • Alternative names

    • CADM-140 autoantigen antibody
    • Clinically amyopathic dermatomyositis autoantigen 140 kDa antibody
    • DEAD/H (Asp Glu Ala Asp/His) box polypeptide antibody
    • DEAD/H box polypeptide antibody
    • Helicard antibody
    • Helicase with 2 CARD domains antibody
    • Hlcd antibody
    • IDDM 19 antibody
    • IDDM19 antibody
    • IFIH 1 antibody
    • Ifih1 antibody
    • IFIH1_HUMAN antibody
    • Interferon induced helicase C domain containing protein 1 antibody
    • interferon induced with helicase C domain 1 antibody
    • Interferon induced with helicase C domain protein 1 antibody
    • Interferon-induced helicase C domain-containing protein 1 antibody
    • Interferon-induced with helicase C domain protein 1 antibody
    • MDA 5 antibody
    • MDA-5 antibody
    • Melanoma differentiation associated protein 5 antibody
    • Melanoma differentiation-associated gene 5 antibody
    • Melanoma differentiation-associated protein 5 antibody
    • MGC133047 antibody
    • Murabutide down regulated protein antibody
    • Murabutide down-regulated protein antibody
    • RH 116 antibody
    • RH116 antibody
    • RIG I like receptor 2 antibody
    • RLR 2 antibody
    • RNA helicase DEAD box protein 116 antibody
    • RNA helicase-DEAD box protein 116 antibody
    see all


  • ab4544 (10ug/ml) staining human MDA5 in human pancreas by immunohistochemistry using paraffin embedded tissue. Microwaved antigen retrieval with Tris/EDTA buffer pH9, HRP-staining.

    ab4544 shows strong cytoplasmic staining of some cells in the islets of Langerhans.


This product has been referenced in:

  • Sato S  et al. 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. Arthritis Rheum 60:2193-200 (2009). WB . Read more (PubMed: 19565506) »
See 1 Publication for this product

Customer reviews and Q&As

There are currently no Customer reviews or Questions for ab4544.
Please use the links above to contact us or submit feedback about this product.

For licensing inquiries, please contact partnerships@abcam.com

Sign up