Objectives. Despite recent progress in biomarker discovery for RA diagnostics, still over one-
third of RA patients—and even more in early disease—present without RF or ACPA. The aim …

Background Autoimmune atrophic gastritis (AAG) diagnosis is based on specific histological
findings and anti-parietal cell antibodies (PCA) considered the serological hallmark of AAG …

Background Compared with the seropositive rheumatic arthritis (sp-RA), seronegative
rheumatic arthritis (sn-RA) lacks ultrasound (US) research. It is unknown whether sn-RA …

This study aimed to investigate the value of high-frequency ultrasound (HFUS) in
differentiation of the seronegative rheumatoid arthritis (SNRA) and osteoarthritis (OA) and in …

Introduction Periodontitis as a comorbidity in systemic lupus erythematosus (SLE) is still not
well recognized in the dental and rheumatology communities. A meta-analysis and network …

Objectives: To compare healthcare utilization and medical costs between patients with
seronegative (SN) and seropositive (SP) rheumatoid arthritis (RA). Methods: We conducted …

Objectives Programmed cell death protein-1 (PD-1) maintains peripheral immune tolerance
by preventing T cell continuous activation. Aiming to understand the extent of PD-1 …

Objectives Cardiovascular (CV) morbidity and mortality, and perpetuated synovial
angiogenesis have been associated with RA. In our study we evaluated angiogenic factors …

Rheumatoid arthritis (RA) is a chronic immune-mediated inflammatory illness caused by an
accumulation of inflammatory infiltration in the synovial membrane, which leads to the …

Background Immune-mediated arthritis is a group of autoinflammatory diseases, where the
patient's own immune system attacks and destroys synovial joints. Sustained remission is …