Association of OSMR gene variants rs2278329 and rs2292016 with dermatomyositis and systemic lupus erythematosus in Bulgarian patients

Authors

  • J. Pozharashka Department of Dermatology and Venereology, Medical University – Sofia, Bulgaria Author https://orcid.org/0000-0003-2481-4984
  • R. Bozhilova Molecular Medicine Center, Medical University – Sofia, Bulgaria Author
  • M. Hristova Clinic of Nephrology, UMHAT "Sv. Ivan Rilski", Department of Internal Medicine, Medical University – Sofia, Bulgaria Author https://orcid.org/0000-0002-4526-147X
  • Z. Kamenarska Molecular Medicine Center, Medical University – Sofia, Bulgaria Author https://orcid.org/0000-0003-0401-4189
  • D. Kalinova Clinic of Rheumatology, UMHAT “Sv. Ivan Rilski”, Medical University – Sofia, Bulgaria Author https://orcid.org/0000-0001-8849-8787
  • A. Vinkov Hôpitaux Drôme Nord, Romans-sur-Isère, France Author
  • R. Kaneva Molecular Medicine Center, Medical University – Sofia, Bulgaria; Department of Medical Chemistry and Biochemistry, Medical University – Sofia, Bulgaria Author https://orcid.org/0000-0002-1437-1393
  • Z. Kolarov Clinic of Rheumatology, UMHAT “Sv. Ivan Rilski”, Medical University – Sofia, Bulgaria Author
  • L. Dourmishev Department of Dermatology and Venereology, Medical University – Sofia, Bulgaria Author https://orcid.org/0000-0001-8458-1241

DOI:

https://doi.org/10.2478/amb-2026-0039

Keywords:

systemic lupus erythematosus, dermatomyositis, OSMR rs2278329, OSMR rs2292016

Abstract

Abstract. Introduction: The precise nature of dermatomyositis (DM) and systemic lupus erythematosus (SLE) is not yet fully understood, although it is recognized that various genetic, hormonal or external factors play a significant role in the onset of autoimmune processes. This study aims to explore the link between two specific genetic variants of the oncostatin M receptor (OSMR) – rs2278329 (Asp553Asn) and rs2292016 (-100G/T) – and the predisposition to DM and SLE in Bulgarian patients. Materials and methods: A total of 126 individuals were included in the study – 62 patients with SLE, 64 with DM, and 95 healthy unrelated controls. Genotyping was performed using TaqMan assays. Results: The analysis revealed that the minor allele frequency was low. None of the genetic variants investigated showed any significant correlation with SLE, DM, or clinical characteristics associated with these conditions. Conclusions: Our findings suggest that none of the OSMR genetic variants investigated pose a significant risk for the development of dermatomyositis or systemic lupus erythematosus in Bulgarian patients.

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Published

11.03.2026

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Section

ORIGINAL ARTICLES

How to Cite

Pozharashka, J., Bozhilova, R., Hristova, M., Kamenarska, Z., Kalinova, D., Vinkov, A., Kaneva, R., Kolarov, Z., & Dourmishev, L. (2026). Association of OSMR gene variants rs2278329 and rs2292016 with dermatomyositis and systemic lupus erythematosus in Bulgarian patients. Acta Medica Bulgarica, 53(1), 23-27. https://doi.org/10.2478/amb-2026-0039