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1.
China Modern Doctor ; (36): 37-40, 2023.
Artículo en Chino | WPRIM | ID: wpr-1038031

RESUMEN

Objective To investigate the clinical diagnostic value of anti-cyclic citrullinated peptide(CCP)antibody,anti-mutated citrullinated vimentin(MCV)antibody and 25-hydroxyvitamin D[25-(OH)D]in rheumatoid arthritis(RA)patients.Methods A total of 466 patients with RA who were admitted the Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University from August 2016 to November 2021 were included in RA group,100 patients with other autoimmune diseases and metabolic diseases without RA were included in non-RA group,100 healthy subjects were included in control group.Serum anti-CCP antibody,anti-MCV antibody and 25(OH)D were detected in three groups.Receiver operating characteristic curve was drawn to analyze the diagnostic efficacy of anti-CCP antibody,anti-MCV antibody and 25(OH)D in RA.The correlation between anti-MCV antibody and clinical indexes in RA patients was analyzed.Results Serum anti-MCV antibody and anti-CCP antibody in RA group were significantly higher than those in non-RA group and control group(P<0.05).The serum 25(OH)D level in RA group was significantly lower than that in control group(P<0.05).The area under the curve(AUC)of anti-CCP antibody,anti-MCV antibody and 25(OH)D for the diagnosis of RA were 0.74,0.81 and 0.75,respectively.The AUC for the combined diagnosis of RA was 0.90,the sensitivity was 83.70%,and the specificity was 82.40%.Anti-MCV antibody was positively correlated with erythrocyte sedimentation rate and C-reactive proten(r=0.66,0.64,P<0.05),and negatively correlated with complement C3 and C4(r=-0.69,-0.62,P<0.05).Conclusion Anti-CCP antibody,anti-MCV antibody and 25(OH)D have good sensitivity and specificity for the diagnosis of RA,and anti-MCV antibody was helpful for the diagnosis of the disease activity.

2.
Chinese Journal of Immunology ; (12): 1546-1548, 2014.
Artículo en Chino | WPRIM | ID: wpr-460048

RESUMEN

Objective: Combined detection of anti-mutated citrullinated vimentin ( anti-MCV ) antibodies, anti-cyclic citrullinated peptide ( anti-CCP) antibodies and rheumatoid factor ( RF-IgM) levels to investigate the diagnostic value of anti-mutated citrullinated vimentin (anti-MCV) antibodies for rheumatoid arthritis(RA).Methods: A total of 359 patients with RA,128 patients with other rheumatic diseases and 90 healthy controls were involved.Enzyme linked immunosorbent assay ( ELISA) was used to detect anti-MCV and anti-CCP, and dynamic immune nephelometry was applied to detect RF-IgM .The sensitivity and specificity were obtained from the experimental data.Results:The sensitivities of anti-MCV,anti-CCP and RF-IgM were 85.1%,76.7% and 82.7%in RA respectively.The specificities were 93.2%,95.1%and 80.1%respectively.Combined detection of anti-MCV and anti-CCP,the sensitivity decreased to 70.2%; but the specificity increased to 98.7%.The sensitivity reached to 89.5% with specificity 97.6%when the union of anti-MCV and anti-CCP positivity was used as criterion.Conclusion:Anti-MCV and anti-CCP are novel makers for RA diagnosis with high sensitivity and high specificity.Combination of anti-MCV and anti-CCP is more helpful for RA diagnosis.

3.
Artículo en Coreano | WPRIM | ID: wpr-196280

RESUMEN

OBJECTIVE: Serologic support is important for the diagnosis of rheumatoid arthritis (RA). Anti-cyclic citrullinated peptide (anti-CCP) has relatively low sensitivity despite of high specificity for the diagnosis of RA. Anti-mutated citrullinated vimentin (anti-MCV) is an indirect solid phase enzyme immunoassay for the quantitative measeurement of IgG class autoantibodies against MCV, a novel serologic marker for an aid in the diagnosis of RA. We investigated a diagnostic value of anti-MCV in comparison with those of anti-CCP, and rheumatoid factors (IgM, IgG, and IgA RFs) in RA patients. METHODS: Cohorts of 48 patients with RA and 50 patients with osteoarthritis (OA) were enrolled. All patients underwent standard examinations, including anti-MCV, anti-CCP, IgM RF, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP). We measured IgG RF and IgA RF titers in 21 RA and 50 OA patients. The sensitivities and specificities of anti-MCV, anti-CCP, RFs were determined. Correlations with these markers, ESR and CRP were analyzed. RESULTS: The sensitivity of anti-MCV, anti-CCP, and IgM RF were 89.6%, 89.6%, and 77.1%, respectively. The specificities of them were 96.0%, 96.0%, and 88%, respectively. Combination of two tests such as anti-MCV or anti-CCP positivity increased the sensitivity up to 93.8%. None of these markers showed significant correlation with ESR and CRP. Anti-MCV correlated with anti-CCP (r=0.596, p<0.01) and IgM RF (r=0.301, p=0.038). CONCLUSION: Anti-MCV and anti-CCP showed high sensitivity and specificity for the diagnosis of RA. Combination of these markers increased the sensitivity without significant decrease in the specificity, suggesting they may be promising serologic markers for RA.


Asunto(s)
Humanos , Artritis Reumatoide , Autoanticuerpos , Sedimentación Sanguínea , Proteína C-Reactiva , Estudios de Cohortes , Diagnóstico , Técnicas para Inmunoenzimas , Inmunoglobulina A , Inmunoglobulina G , Inmunoglobulina M , Osteoartritis , Factor Reumatoide , Sensibilidad y Especificidad , Vimentina
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