Overview
Citrullination is a post-translational modification process in which the amino acid arginine is converted to citrulline. This process is mediated by a group of enzymes called peptidylarginine deiminases (PADs). Recent research has highlighted the significance of citrullination in various health aspects, particularly in autoimmune diseases such as rheumatoid arthritis (RA). Citrullination plays a crucial role in the generation of autoantigens, triggering an immune response and contributing to the pathogenesis of RA. Moreover, citrullination has been implicated in other conditions including Alzheimer's disease, multiple sclerosis, and certain cancers. The identification of citrullinated proteins as potential biomarkers has opened new avenues for early disease detection and monitoring. Understanding the mechanisms and implications of citrullination offers promising prospects for targeted therapies and precision medicine approaches. Furthermore, emerging evidence suggests that dietary factors and environmental influences may modulate citrullination processes, thereby influencing disease susceptibility and progression. Investigating the interplay between citrullination, microbiota, and immune responses presents an intriguing area for future research. In conclusion, unraveling the intricate roles of citrullination in health and disease holds great promise for advancing diagnostic strategies, therapeutic interventions, and personalized medicine. Continued exploration of this field is essential for harnessing the full potential of citrullination-related pathways in improving human health.