{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:33:38Z","timestamp":1760150018128,"version":"build-2065373602"},"reference-count":45,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T00:00:00Z","timestamp":1697155200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"AbbVie \u201cInvestigator Initiated Study\u201d"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Medicina"],"abstract":"<jats:p>Background and Objectives: About 40% of early undifferentiated arthritis (UA) progresses to rheumatoid (RA) or other chronic arthritis. Novel diagnostic tools predicting the risk for this progression are needed to identify the patients who would benefit from early aggressive treatment. Evidence on the role of single-nucleotide polymorphisms (SNPs) in the development of RA has emerged. The aim of our study was to investigate the association between rs2476601, rs833070, and rs6920220 SNPs and UA progression to RA. Materials and Methods: Ninety-two UA patients were observed for 12 months. At study entry, demographic and clinical characteristics were recorded, musculoskeletal ultrasonography was performed, and blood samples were drawn to investigate levels of inflammatory markers, rheumatoid factor (RF), anti-citrullinated protein antibodies (anti-CCP)detect SNPs. After 12 months, UA outcomes were assessed, and patients were divided into two (RA and non-RA) groups. The association between the risk of progression to chronic inflammatory arthritis and analyzed SNPs was measured by computing odds ratios (OR). Results: After a 12-month follow-up, 27 (29.3%) patients developed RA, and 65 (70.7%) patients were assigned to the non-RA group. The arthritis of 21 patients (22.8%) from the non-RA group resolved completely, while the other 44 (47.2%) patients were diagnosed with another rheumatic inflammatory disease. The patients who developed RA had a significantly greater number of tender and swollen joints (p = 0.010 and p = 0.021 respectively) and were more frequently RF or anti-CCP (p &lt; 0.001), and both RF and anti-CCP positive (p &lt; 0.001) at the baseline as compared with the patients in the non-RA group. No significant association between rs2476601 (OR = 0.99, p = 0.98), rs833070 (OR = 1.0, p = 0.97), and rs6920220 (OR = 0.48, p = 0.13) polymorphisms and the risk of developing RA were found. Conclusions: No association between analyzed SNPs and a greater risk to progress from UA to RA was confirmed, although patients with rs6920220 AA + AG genotypes had fewer tender joints at the disease onset.<\/jats:p>","DOI":"10.3390\/medicina59101824","type":"journal-article","created":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T06:07:26Z","timestamp":1697177246000},"page":"1824","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Association between PYTPN22 rs2476601, VEGF rs833070, TNFAIP3 rs6920220 Polymorphisms and Risk for Rheumatoid Arthritis in Early Undifferentiated Arthritis Patients: A Pilot Study"],"prefix":"10.3390","volume":"59","author":[{"given":"Regina","family":"Sakalyte","sequence":"first","affiliation":[{"name":"The Clinic of Rheumatology, Traumatology Orthopaedics and Reconstructive Surgery, Institute of Clinical Medicine of the Faculty of Vilnius University, M. K. \u010ciurlionio Str. 21, 03101 Vilnius, Lithuania"},{"name":"State Research Institute Centre for Innovative Medicine, Santari\u0161ki\u0173 g. 5, 08406 Vilnius, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sigita","family":"Stropuviene","sequence":"additional","affiliation":[{"name":"The Clinic of Rheumatology, Traumatology Orthopaedics and Reconstructive Surgery, Institute of Clinical Medicine of the Faculty of Vilnius University, M. K. \u010ciurlionio Str. 21, 03101 Vilnius, Lithuania"},{"name":"State Research Institute Centre for Innovative Medicine, Santari\u0161ki\u0173 g. 5, 08406 Vilnius, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabija","family":"Jasionyte","sequence":"additional","affiliation":[{"name":"The Clinic of Rheumatology, Traumatology Orthopaedics and Reconstructive Surgery, Institute of Clinical Medicine of the Faculty of Vilnius University, M. K. \u010ciurlionio Str. 21, 03101 Vilnius, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1221-3487","authenticated-orcid":false,"given":"Loreta","family":"Bagdonaite","sequence":"additional","affiliation":[{"name":"Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine, Vilnius University, M. K. \u010ciurlionio Str. 21, 03101 Vilnius, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Algirdas","family":"Venalis","sequence":"additional","affiliation":[{"name":"The Clinic of Rheumatology, Traumatology Orthopaedics and Reconstructive Surgery, Institute of Clinical Medicine of the Faculty of Vilnius University, M. K. \u010ciurlionio Str. 21, 03101 Vilnius, Lithuania"},{"name":"State Research Institute Centre for Innovative Medicine, Santari\u0161ki\u0173 g. 5, 08406 Vilnius, Lithuania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3101","DOI":"10.1093\/rheumatology\/keac127","article-title":"Undifferentiated arthritis, not just another early manifestation of rheumatoid arthritis","volume":"61","author":"Pazmino","year":"2022","journal-title":"Rheumatology"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"396","DOI":"10.1136\/annrheumdis-2012-202967","article-title":"Five-year outcomes of probable rheumatoid arthritis treated with methotrexate or placebo during the first year (the PROMPT study)","volume":"73","author":"Heimans","year":"2014","journal-title":"Ann. Rheum. 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