ReviewAntioxidants (Basel, Switzerland)2026
The Use of Curcumin to Target Oxidative Stress and Inflammation in Type 2 Diabetes Mellitus and Its Complications: Molecular Mechanisms and Therapeutic Perspectives.
Review in Antioxidants (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, pancreatic β-cell dysfunction, and dysregulated glucose and lipid metabolism. Sustained hyperglycemia and hyperlipidemia promote excessive reactive oxygen species (ROS) production, antioxidant defense depletion, and chronic low-grade inflammation, thereby aggravating insulin signaling impairment, β-cell injury, and diabetes-related complications. Although current glucose-lowering therapies have improved glycemic control, weight management, and cardiorenal outcomes, oxidative stress and inflammation remain incompletely addressed in many individuals with T2DM. Curcumin, a natural polyphenol derived from Curcuma longa L., exhibits antioxidant, anti-inflammatory, lipid-regulating, insulin-sensitizing, and tissue-protective activities. Evidence suggests that curcumin may alleviate T2DM-associated oxidative stress by suppressing ROS generation, reducing nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity, modulating the advanced glycation end-product/receptor for advanced glycation end-product (AGE/RAGE) axis, activating nuclear factor erythroid 2-related factor 2/antioxidant response element (Nrf2/ARE) signaling, preserving mitochondrial homeostasis, and protecting β-cells. It may also inhibit nuclear factor-κB (NF-κB) and mitogen-activated protein kinase/c-Jun N-terminal kinase (MAPK/JNK) signaling, decrease pro-inflammatory cytokines and C-reactive protein (CRP), improve metabolic tissue inflammation, and attenuate gut-derived inflammation by regulating gut microbiota and intestinal barrier function. However, current clinical evidence mainly supports modest improvements in metabolic, inflammatory, oxidative stress-related, and selected complication-related biomarkers rather than definitive disease-modifying outcomes. Moreover, formulation heterogeneity, low bioavailability, limited pharmacokinetic reporting, and insufficient long-term endpoint data remain major translational barriers. This review summarizes the molecular mechanisms, clinical evidence, formulation-dependent interpretation, safety considerations, and translational limitations of curcumin as a candidate adjunctive intervention for T2DM, rather than as a replacement for evidence-based antidiabetic therapy.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.