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  • ENA Blottest

ENA Blottest

    The en ENA blot test can be used to examine whether the body makes antibodies against itself as in Sj en oumlgrensyndrome or SLE

    79,-

    + 21.90 one-time piercing fee per order
    Watch the video for more information

    Explanation

    This test requires a blood draw from a vein. Collection is done through a blood collection center near you. Each order requires only 1 blood draw, even if you order multiple tests.

    The cost of blood collection at the blood collection station including test kit and shipping costs is €21.90.

    Can't figure it out? Then contact ourcustomer service.

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    1853 reviews

    Placeholder8,9/10
    10/10

    Monique

    Very nice agency. I have a full check done annually and am very satisfied. Result of the test comes quickly and customer service is easily accessible.

    10/10

    Denise

    Super fast, received results of extensive blood test after only one week

    Product Description

    ENA Blottest

    ENA Blot Test : (ENAB) serum Extractable Nuclear Antigen antibodies, fluorescent antinuclear antibody test, FAN, antibodies to extractable nuclear antigen,
    comprising:

    - CENP-B (centromeres)
    - ds-DNA
    - histones
    - Jo-1
    - nucleosomes
    - PCNA
    - PM Scl
    - ribosomal P-protein
    - nRNP/Sm €
    - Scl-70
    - Sm
    - SS-A (Ro)
    - SS-A (Ro-52)
    - SS-B (La)


    The test measures antibodies to nuclear antigens. These are antibodies directed against nuclei (nucleus) of the body's own cells. The ENA test can be used to examine whether the body makes antibodies against itself.

    The immune system produces these so-called autoantibodies (auto meaning self) when it fails to distinguish between its own cells and foreign cells. Production of autoantibodies can lead to autoimmune diseases. These diseases are usually accompanied by inflammation and all that goes with it, fever, pain and fatigue.

    Examples of these nuclear antibodies include anti-nRNP, anti-Sm, anti-SSA/Ro, anti SSB/La, Scl-70 Jo-1 and anti-CEN-P.

    The different antibodies can be found in autoimmune diseases such as SLE (systemic lupus erythematosus), Sjögrens syndrome, MCTD (mixed connective-tissue disease), CREST syndrome, polymyositis or dermatomyositis. The occurrence of the different types of antibodies varies by condition.

    A positive result means that autoantibodies have been detected. This may indicate an autoimmune disease, but not necessarily. Especially in older people, autoantibodies may be detected without an autoimmune disease. In healthy elderly people (>65 years), the false positive rate can be as high as almost 40%.
    The use of some medications can also lead to the production of autoantibodies even though there is no autoimmune disease.

    A negative result (no antibodies detected) makes some autoimmune diseases unlikely. But it does occur (about in 5% of cases) that a person has an autoimmune disease but does not produce autoantibodies. Given the variable nature of SLE, for example, there is no harm in repeating the test later if it is suspected.

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