Intended Purpose

The AKLIDES® pANCA is an immunofluorescence assay (IFA) for the qualitative determination of IgG antibodies in human serum against neutrophil cytoplasmatic antigens (ANCA) on formalin fixed human granulocytes. The AKLIDES® pANCA is intended as an aid in the diagnosis of systemic vasculitis (SV) in conjunction with other clinical and laboratory findings. The immunoassay is designed for manual processing and automated imaging using the AKLIDES® or akiron® system. The immunoassay is designed for professional in vitro diagnostic use.

Diagnostic Relevance

Systemic vasculitis (SV) pathogenesis is majorly identified by the inflammation of different blood vessel walls, and the resulting morphological changes. Arteries and veins can both be affected simultaneously. The clinical manifestation is mainly indicated by general symptoms like exhaustion, fever and weight loss. Depending on which kind of vessels are affected, future disease course varies.

Anti-neutrophil cytoplasmic antibodies (ANCA) play an essential role in the serological diagnosis of SV. These antibodies are usually determined by indirect immunofluorescence using ethanol fixed human neutrophils. Cytoplasmic ANCA (cANCA) and perinuclear ANCA (pANCA) are distinguished based on the immunofluorescence pattern. Cell fixation using ethanol destroys granular membranes in neutrophil cytoplasm, thus allowing positively charged proteins move to the negatively charged nucleus – the basis for ANCA screening substrate. cANCA antibodies are identified by a cytoplasmic fluorescence pattern, whereas pANCA antibodies must be differentiated from antibodies to nuclear antigens (ANA) which also show a (peri) nuclear pattern.

Product Specifications

Product code 4072
Indication Systemic vasculitis
Description Indirect immunofluorescence assay for the determination of IgG antibodies in human serum against neutrophil cytoplasmic antigens (ANCA)
Format Slides coated with formalin fixed human granulocytes
Incubation time 60 min.
Sample volume 10 µL serum
No. of determinations 60 (10 x 6)

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Current version of the instructions for use. The respective valid version for processing the test can be found in the product packaging.