• ANCA Anti-neurotrophic cytoplasmic antibodies

ANCA Anti-neurotrophic cytoplasmic antibodies

    € 77,-

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    Dex Hermans

    I am very satisfied with the company and regularly load my blood tests. The only pity is that you don't get a confirmation when the blood has arrived. That would be an added value...

    Product Description

    ANCA Anti-neurotrophic cytoplasmic antibodies

    In the ANCA test, the antibodies are measured (granuloc. cytoplasm al.
    )- PR3 al. (c-ANCA) (EIA)
    - MPO al. (p-ANCA) (EIA)

    This test is relevant in a suspicion of inflammation of blood vessels including in the kidneys, also called vasculitis and glomerulonephritis. Some well-known examples of diseases in which and ANCA are positive are Wegener's disease, glomerular nephritis and polyarteritis nodosa. Depending on the degree of inflammation and underlying disease, the respiratory tract, ears and/or kidneys may also be affected. In particular, inflammation of the vessels in the kidneys can lead to rapid deterioration of kidney function.

    The test determines the presence of antinuclear antibodies (ANCA) in the blood. It also examines whether there are many or few autoantibodies and what type of autoantibody is involved (PR-3 or MPO)

    Usually, the immune system makes antibodies (also called immunoglobulins) against invading bacteria and viruses. In some people, something goes wrong in the immune system. In them, antibodies are made against some of their own proteins or cells. These antibodies are called autoantibodies because they are directed against their own bodies. Auto means "self. The immune system then damages its own cells, whole tissues or even whole organs because the autoantibodies cause inflammation.

    The ANCA are autoantibodies that affect the small and medium-sized blood vessels, this group of diseases are called vasculitides. The clinical picture seen depends on the type of blood vessel affected (in the respiratory tract, kidneys etc). Different autoantibodies can be distinguished (p-anca, c-anca, atypical) that can accompany a specific form of vasculitis. The pattern is not always specific. Therefore, when evaluating the ANCA result, the clinical manifestation of the disease is always paramount. For example, a p-ANCA is often seen in Wegener's disease, c-ANCA in Churg Strauss disease, and atypical ANCA in intestinal or liver disease.

    With adequate treatment of the disease, the ANCA may disappear.

    Autoimmune diseases can lead to inflammation in various organs such as joints, kidneys and blood vessels. When the doctor suspects that there may be an autoimmune disease based on these types of symptoms, he/she can have the presence of autoantibodies determined in the blood. The absence of ANCA makes the likelihood of an autoimmune disease associated with inflammation of the blood vessels small.

    In healthy individuals, the ANCA result is negative.


    No autoantibodies have been detected and the chance that the symptoms are caused by a vasculitis is small. Even after successful treatment, the ANCA result can become negative. In cases of inflammation of the large vessels (Takayasu disease) the ANCA is negative.


    The result is not negative, but still so low that there is doubt whether it should be considered abnormal. This is also called the gray area.

    Slightly elevated

    Depending on the type of autoantibodies found and the patient's symptoms, a slight elevation may indicate an autoimmune disease.

    Strongly elevated

    With a strong elevation, depending on the type of antibody and the patient's symptoms, the suspicion of an autoimmune disease increases. An elevated result is often followed (by default) by an anti-MPO and/or PR3 test.

    In Wegener's disease, the ANCA is usually of the PR3 type.

    • Proteinase 3 (PR3, c-ANCA)
    • if the result is less than 2.0 the result is good
    • between 2.0 - 3.0 the result is questionable
    • if the result is higher than 3.0, antibodies have been found in the blood

    In Churg Strauss syndrome and glomerulonephritis, the ANCA is usually of the MPO type.

    • Myeloperoxidase (MPO, p-ANCA)
    • a result smaller than 0.2 IU/ml is good
    • between 3.5 - 5.0 is dubious
    • If the result is greater than 5.0, antibodies have been found in the blood.


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      ANCA Anti-neurotrophic cytoplasmic antibodies

      ANCA Anti-neurotrophic cytoplasmic antibodies

      € 77,-

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