review · Medicine
Red blood cells serve critical functions beyond oxygen transport by acting as biomarkers and active mediators in diabetes mellitus. Chronic exposure to high blood glucose levels generates oxidative stress, which alters the structure, function, membrane integrity, and lifespan of these cells. A well-known consequence is the glycation of haemoglobin, commonly known as HbA1c, which enables the long-term monitoring of glycaemic control. Beyond serving as diagnostic indicators, red blood cells directly drive diabetic complications such as microangiopathy. They contribute to vascular dysfunction, altered blood flow properties, and inflammatory responses. Targeting these erythrocyte abnormalities presents opportunities to develop treatments that alleviate complications. A deeper understanding of these cellular mechanisms can improve diagnostic precision and support therapeutic approaches designed to improve clinical outcomes for individuals living with diabetes.
Diabetes affects millions globally and leads to severe secondary complications. Recognising red blood cells as active drivers of vascular and inflammatory damage, rather than simple oxygen carriers or passive markers of blood sugar, allows medical science to explore new diagnostic measures and targeted treatments. This focus may ultimately help prevent or reduce the debilitating complications associated with long-term diabetes.
The underlying research indicates potential applications in diagnostic tool development and targeted therapeutics for pharmaceutical and medical technology developers. By targeting red blood cell abnormalities, innovators could design interventions to manage microangiopathy and vascular dysfunction. However, because this work is a review synthesising current scientific understanding, the concepts remain at an early, exploratory stage of research and require extensive laboratory and clinical testing before reaching real-world deployment.
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Red blood cells (RBCs), traditionally recognized for their oxygen transport role, have garnered increasing attention for their significance as crucial contributors to the pathophysiology of diabetes mellitus. In this comprehensive review, we elucidate the multifaceted roles of RBCs as both biomarkers and mediators in diabetes mellitus. Amidst the intricate interplay of altered metabolic pathways and the diabetic milieu, RBCs manifest distinct alterations in their structure, function, and lifespan. The chronic exposure to hyperglycemia induces oxidative stress, leading to modifications in RBC physiology and membrane integrity. These modifications, including glycation of hemoglobin (HbA1c), establish RBCs as invaluable biomarkers for assessing glycemic control over extended periods. Moreover, RBCs serve as mediators in the progression of diabetic complications. Their involvement in vascular dysfunction, hemorheological changes, and inflammatory pathways contributes significantly to diabetic microangiopathy and associated complications. Exploring the therapeutic implications, this review addresses potential interventions targeting RBC abnormalities to ameliorate diabetic complications. In conclusion, comprehending the nuanced roles of RBCs as biomarkers and mediators in diabetes mellitus offers promising avenues for enhanced diagnostic precision, therapeutic interventions, and improved patient outcomes. This review consolidates the current understanding and emphasizes the imperative need for further research to harness the full potential of RBC-related insights in the realm of diabetes mellitus.
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DOI: 10.1097/md.0000000000037265
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