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nucleolar organizing region
Regions where the nucleus reforms after mitosis. Clusters of ribosomal RNA genes may be found. Antigens recognized by autoantibodies in scleroderma may be found within this region including Scl-70, fibrillarin, RNA polymerase I & NOR-90.
Related
nucleolar transcription factor 1; autoantigen NOR-90; upstream-binding factor 1; UBF-1 (UBTF, UBF, UBF1)
nucleolus
scleroderma (diffuse cutaneous systemic sclerosis)
General
organelle
Properties
References
Clinical Diagnosis & Management by Laboratory Methods,
19th edition, J.B. Henry (ed), W.B. Saunders Co.,
Philadelphia, PA. 1996, pg 1019
Component-of
cell nucleus