The nucleolus was positive for fluorescent staining, suggesting the presence of anti-nucleolon ribonucleic acid antibodies. SSc or other rheumatism that overlaps with SSc may be positive. Antinuclear antibody (ANA), also known as anti-nucleic acid antigen antibody, is a group of various components of eukaryotic cells, such as deoxyribonucleoprotein (DNP), DNA, extractable nuclear antigen (ENA) and RNA. The general term for autoantibodies of antigens can react with the nucleus of all animals, mainly in serum, but also in pleural fluid, joint synovial fluid and urine.

Basic Information

Specialist classification: growth and development check classification: immunological examination

Applicable gender: whether men and women apply fasting: not fasting

Analysis results:

Below normal:

Normal value:

Above normal:


Scleroderma, Sjogren's syndrome and other rheumatism can be positive.

Tips: The positive rate from 0 to 80 years old can reach 20%. Normal value


Clinical significance

Positive scleroderma, Sjogren's syndrome and other rheumatism may be positive.


Normal people can have a positive rate of 5%, and the difference has an increasing trend with increasing age. The positive rate at 70 to 80 years old can reach 20%, but the titer is low.

Inspection process

Same as fluorescent staining.

Not suitable for the crowd

There are no taboos.

Adverse reactions and risks

There are no related complications and hazards.