Abstract
Uveitis is a prevalent inflammatory eye disease that primarily affects working-age individuals and can lead to blindness if untreated. Interleukin-10 (IL-10) is a multifunctional cytokine with broad immunosuppressive properties and plays a significant role in various pathological and physiological processes. However, its specific role and underlying mechanisms in uveitis remain incompletely understood. This review aims to shed light on the biological characteristics of IL-10, its involvement in the uveitis pathophysiology, and its potential as a novel therapeutic target. By examining existing literature, the review analyzes IL-10 expression levels and regulatory mechanisms in different types of uveitis, discussing its role in immune regulation. Despite IL-10 being expressed variably across various forms of autoimmune uveitis, studies consistently highlight its protective role, prompting research into ways to enhance its bioavailability in the eye. IL-10 is often upregulated in infectious uveitis, contributing to pathogen immune evasion. Furthermore, primary intraocular lymphoma (PIOL), which shares clinical similarities with uveitis, also shows upregulated IL-10 levels, whereas IL-6 is more commonly elevated in uveitis. This differential expression suggests that IL-6 and IL-10 could be diagnostic markers to distinguish between PIOL and uveitis. Future research should continue to focus on elucidating the molecular mechanisms of IL-10 in uveitis, exploring its potential therapeutic applications, and developing targeted treatments that leverage the immunomodulatory effects of IL-10 to prevent and manage this sight-threatening condition.
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