Normalization of Immune Response via Chondroitin Sulfate and Fucoidan Targeting N-Acetylgalactosaminidase by Jozef Zima Eva Nováková Miroslava Špaglová & Miroslava Šupolíková

Author:Jozef Zima, Eva Nováková, Miroslava Špaglová & Miroslava Šupolíková
Format: pdf
Tags: This review explores the pharmacological potential of chondroitin sulfate and fucoidan as immunomodulatory agents targeting N-acetylgalactosaminidase (nagalase) to normalize immune responses. Nagalase, an enzyme produced by tumor and virus-infected cells, contributes to immune suppression by deactivating macrophage-activating factor. Both chondroitin sulfate and fucoidan, as representatives of glycosaminoglycans and heteropolysaccharides, exhibit significant potential in inhibiting nagalase activity, thereby restoring immune functionality. Chondroitin sulfate, a key component of the extracellular matrix, demonstrates anti-inflammatory and tissue-regenerative properties by modulating nuclear factor (NF)-B pathways and cytokine expression. Fucoidan, a sulfated polysaccharide derived from brown seaweed, enhances immune responses through macrophage and natural killer cell activation, while also exhibiting antiviral and anticancer activities. This dual action positions these compounds as promising agents for therapeutic interventions in chronic inflammatory conditions, cancer, and infectious diseases. The synergistic effects of chondroitin sulfate and fucoidan highlight their potential to address the root causes of immune dysregulation. This review aims to elucidate the underlying mechanisms of action and explore the clinical applications of these compounds within the framework of innovative immunotherapeutic strategies. However, current evidence is limited by the predominance of preclinical studies and variability in experimental models. Well-designed clinical trials are needed to validate their efficacy for therapeutic use., chondroitin sulfate; fucoidan; N-acetylgalactosaminidase; macrophage activating factor; immune normalization


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