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2015 ; 2015
(ä): 151626
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English Wikipedia
Anti-Cyclic Citrullinated Peptide Antibodies and Severity of Interstitial Lung
Disease in Women with Rheumatoid Arthritis
#MMPMID26090479
Rocha-Muñoz AD
; Ponce-Guarneros M
; Gamez-Nava JI
; Olivas-Flores EM
; Mejía M
; Juárez-Contreras P
; Martínez-García EA
; Corona-Sánchez EG
; Rodríguez-Hernández TM
; Vázquez-del Mercado M
; Salazar-Páramo M
; Nava-Zavala AH
; Cardona-Muñoz EG
; Celis A
; González-Lopez L
J Immunol Res
2015[]; 2015
(ä): 151626
PMID26090479
show ga
OBJECTIVE: To evaluate whether serum titers of second-generation anticyclic
citrullinated peptide antibodies (anti-CCP2) are associated with the severity and
extent of interstitial lung disease in rheumatoid arthritis (RA-ILD). METHODS: In
across-sectional study, 39 RA-ILD patients confirmed by high-resolution computed
tomography (HRCT) were compared with 42 RA without lung involvement (RA only).
Characteristics related to RA-ILD were assessed in all of the patients and serum
anti-CCP2 titers quantified. RESULTS: Higher anti-CCP2 titers were found in
RA-ILD compared with RA only (medians 77.9 versus 30.2 U/mL, P < 0.001). In the
logistic regression analysis after adjustment for age, disease duration (DD),
smoke exposure, disease activity, functioning, erythrocyte sedimentation rate,
and methotrexate (MTX) treatment duration, the characteristics associated with
RA-ILD were higher anti-CCP2 titers (P = 0.003) and + RF (P = 0.002). In
multivariate linear regression, the variables associated with severity of
ground-glass score were anti-CCP2 titers (P = 0.02) and with fibrosis score DD (P
= 0.01), anti-CCP2 titers (P < 0.001), and MTX treatment duration (P < 0.001).
CONCLUSIONS: Anti-CCP2 antibodies are markers of severity and extent of RA-ILD in
HRCT. Further longitudinal studies are required to identify if higher anti-CCP2
titers are associated with worst prognosis in RA-ILD.