The British Journal of Rheumatology, Vol 36, 990-995, Copyright © 1997 by British Society for Rheumatology
JG Tebib, C Reynaud, JP Cedoz, MC Letroublon and A Niveleau
The levels of the five methylated nucleosides pseudouridine (psi-Urd),
1-methyladenosine (1-MeAdo), 4 acetylcytidine (4-AcCyd), 1 methylinosine
(1-Melno) and 7 methylguanosine (7-MeGuo) resulting from RNA degradation
were examined in the urine of rheumatoid arthritis (RA) patients. Of these
five, 1-MeAdo and psi-Urd were correlated with the active phase of the
disease, while two others (4-AcCyd and 1-Melno), which require further
evaluation, appeared to be linked to the prognosis of the disease. As RNA
turnover is closely associated with cell proliferation, including that of
lymphocytes in RA, there may be a hitherto unsuspected benefit in measuring
1-MeAdo and psi-Urd as biochemical markers of RA disease activity.
ORIGINAL PAPERS
Relationship between urinary excretion of modified nucleosides and rheumatoid arthritis process
CHLS, Pierre Benite, France.
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