The document discusses a study on diabetes mellitus-induced atrial fibrillation. It identifies the MAPK10 gene as a critical regulator using time-series RNA sequencing analysis of mice. Various methods are used like real-time PCR, western blot analysis, and tunnel assay to analyze cardiac tissues and identify proteins. Results show MAPK10, TNFα, and tubulin expression increasing over time in db/db mice. The discussion cites previous studies finding hyperglycemia contributes to atrial fibrosis and remodeling, increasing atrial fibrillation susceptibility. Graphics are important for immunological studies and molecular biology advances medical research.