Diabetes Complications
Diabetes Complications - Related Videos
01:22
Complications of Diabetes Mellitus
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2026
Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
01:15
Diabetes: Symptoms, Diagnosis, and Complications
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2024
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is based on...
08:10
An Ex Vivo Tissue Culture Model for Fibrovascular Complications in Proliferative Diabetic Retinopathy
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Cited by 4 •
2019
Here, we present a protocol to study the pathophysiology of proliferative diabetic retinopathy by using patient-derived, surgically-excised, fibrovascular tissues for three-dimensional native tissue characterization and ex vivo culture. This ex vivo culture model is also amenable for testing or developing new treatments.
10:03
A Zebrafish Model of Diabetes Mellitus and Metabolic Memory
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Cited by 69 •
2013
Metabolic memory is the phenomenon by which diabetic complications persist and progress unimpeded even after euglycemia is achieved pharmaceutically. Here we describe a diabetes mellitus zebrafish model which is unique in that it allows for the examination of the mitotically transmissible epigenetic components of metabolic memory in vivo.
10:43
Transplantation of Pancreatic Islets Into the Kidney Capsule of Diabetic Mice
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Cited by 98 •
2007
Our protocol was developed to cleanly and easily deliver islets or cells under the kidney capsule of mice. Cells are concentrated into pellets in the final tubing used for transplanting the cells under the kidney capsule. The ease of this technique reduces stress to the cells and the mouse.
FAQs
Persistent hyperglycemia creates sustained physiological stress in tissues. Oxidative stress can damage cellular components, while inflammation amplifies injury and advanced glycation end products accumulate, altering normal tissue function. Together, these mechanisms can impair blood vessels and nerves, helping explain why prolonged glucose dysregulation produces progressive complications rather than only short-term changes.
Advanced glycation end products form part of the molecular damage associated with prolonged hyperglycemia. Their accumulation contributes to tissue injury alongside oxidative stress and inflammation, particularly when blood vessels and nerves are affected. Studying this process helps biology researchers connect abnormal glucose regulation with structural damage and identify mechanisms that could be targeted to limit long-term consequences.
Microvascular injury primarily affects small blood vessels and is associated with complications such as retinopathy and nephropathy. Macrovascular injury involves larger vessels and contributes to cardiovascular disease. This distinction helps organize diabetes complications by the scale of vascular damage, while also showing how the same underlying metabolic disturbance can produce different organ-level outcomes.
The consequences depend partly on which tissues sustain vascular or nerve damage. Retinopathy affects the eye, nephropathy affects the kidney, and neuropathy reflects nerve involvement. Cardiovascular disease represents larger-vessel injury, whereas impaired wound healing reflects disrupted tissue repair. Comparing these outcomes helps researchers study how shared mechanisms produce distinct clinical patterns.
Studies commonly focus on risk factors, the degree of glucose dysregulation, evidence of early tissue injury, and changes in affected organs. Early detection is especially important because it can reveal complications before damage becomes extensive. Linking these observations with vascular, nerve, and wound-healing outcomes helps clarify progression and supports more focused biological investigation.
Researchers can assess whether strategies for glucose management are associated with less long-term tissue damage and improved outcomes. Evaluation may consider changes in complications involving blood vessels, nerves, the eye, kidney, cardiovascular system, or wound healing. This approach connects a physiological intervention with specific biological consequences rather than judging success only by glucose control itself.
Impaired wound healing provides a visible and clinically relevant outcome of disrupted tissue physiology. Its study can help researchers examine how diabetes-related vascular and nerve injury affects repair and recovery. Because wound healing reflects tissue function over time, it also offers a way to evaluate whether glucose-management strategies or other treatments reduce damage and improve patient outcomes.