Clinical significance of anti-mutated citrullinated vimentin antibodies in rheumatoid arthritis patients

Author:

Hagras Amira1,Mohasseb Dia1,Taleb Raghda2,Bastawi Rim3,Elnemr Rehab1

Affiliation:

1. Department Rheumatology, Rehabilitation, and Physical Medicine, Faculty of Medicine Alexandria University, Alexandria, Egypt

2. Department Clinical and Chemical Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt

3. Department Radiodiagnosis and Intervention, Faculty of Medicine, Alexandria University, Alexandria, Egypt

Abstract

BACKGROUND: Anti-mutated citrullinated vimentin (MCV) antibodies have recently been recommended as a better arthritis diagnostic marker. OBJECTIVES: To investigate the association between anti-MCV antibodies and the clinical, functional, and radiographic characteristics of rheumatoid arthritis (RA) patients. METHODS: This case-control study was conducted on 40 RA patients and 40 healthy subjects. All patients were subjected to an assessment of disease using the 28-joint DAS (DAS28) and Clinical Disease Activity Index (CDAI), function by HAQ-DI, physical activity by International Physical Activity Questionnaire (IPAQ), fatigue by Functional Assessment of Chronic Illness Therapy (FACIT), serological tests as well as anti-MCV Abs measurement. A plain X-ray of both hands and wrists was done. RESULTS: The anti-MCV Abs level was significantly higher in RA patients than in healthy controls (P< 0.001). The anti-MCV Abs had a significant positive correlation with DAS, CDAI, HAQ, RF, Anti-CCP, and CRP (P= 0.006, 0.013, 0.005, < 0.001, < 0.001and 0.041 respectively) and a significant negative correlation with FACIT (p= 0.007). Positive anti-MCV RA patients had significantly higher erosions, JSN, and a total sharp score. CONCLUSIONS: Anti-MCV Abs may contribute to poor physical activity and more fatigue in RA patients beyond their established role in disease activity and erosion.

Publisher

IOS Press

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