Funding: the study was supported by the Foundation for Scientific and Technological Development of Yugra (No. 2023-571-05/2023).

Author contribution: Nuralieva NF — literature review, study concept and design, patient assessment, material collection, laboratory testing, analysis and interpretation of the results, manuscript writing; Yukina MYu — literature review, study concept and design, patient assessment, material collection, laboratory testing, analysis and interpretation of the results, manuscript writing and editing; Bykova SV — patient assessment, material collection, manuscript editing; Savvateeva EN — literature review, study concept and design; laboratory microarray testing; analysis and interpretation of the results; Kulagina EV, Nikankina LV — laboratory testing (ELISA); Shaskolskiy BL — analysis of the autoantibody multiplex testing results; Gryadunov DA — study concept and design; manuscript editing; Troshina EA — manuscript editing.

Compliance with ethical standards: the study was approved by the Ethics Committee of the Endocrinology Research Centre (protocol No. 14 dated 29 July 2022). All the patients and conditionally healthy individuals submitted the informed consent to participation in the study.