PRECLINICAL DRUG DEVELOPMENT PROCESS OF RHEUMATOID ARTHRITIS MECHANISMS TO STUDY MORPHOLOGICAL CHANGES IN THE CELL AND VASCULAR STRUCTURE OF THE HEART IN EXPERIMENTAL ANIMALS

Purpose of the study: to study the preclinical process of drug development of rheumatoid arthritis mechanisms to study morphological changes in the structure of cells and vessels of the heart in experimental animals Materials and Methods. Complete Freund's adjuvant for rheumatoid arthritis was applied to 100 white randomized rats aged between 18 and 24 months in the inpatient vivarium of the Bukhara State Medical Institute. Results and discussion: While investigating the preclinical drug development process of rheumatoid arthritis mechanisms to study morphological changes in the cell structure and vascular structure of the heart in experimental animals, it is important to note that animals do not naturally develop autoimmune diseases such as RA, which is an inherent limitation of these arthritis models.

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