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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated...
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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,...
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DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
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Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration...
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Prothrombotic changes in diabetes mellitus.

Olivier Morel1, Laurence Jesel, Malak Abbas

  • 1Unité de recherche EA 7293 Stress vasculaire et tissulaire en Transplantation, Faculté de Médecine, Université de Strasbourg, Strasbourg, France.

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Summary
This summary is machine-generated.

Type 2 diabetes mellitus (T2DM) increases blood clot risk through complex vascular cell interactions and microparticle pathways. Targeting these pathways may reduce cardiovascular complications in T2DM patients.

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Area of Science:

  • Cardiovascular Medicine
  • Endocrinology
  • Pathology

Background:

  • Type 2 diabetes mellitus (T2DM) is associated with increased thrombotic propensity and atherothrombotic burden.
  • The precise cellular and molecular mechanisms driving this heightened risk are not fully understood.
  • Vascular cell interactions with atheromatous plaques are critical in T2DM complications.

Purpose of the Study:

  • To elucidate the cellular and molecular mechanisms of enhanced thrombotic propensity in T2DM.
  • To investigate the role of microparticles and tissue factor in diabetic thrombophilia.
  • To identify potential therapeutic targets for reducing atherosclerotic complications in T2DM.

Main Methods:

  • Review of current literature on vascular pathology in T2DM.
  • Analysis of cellular interactions (platelets, leukocytes, endothelial cells) with atherosclerotic plaques.
  • Examination of the tissue factor-microparticle pathway's role.

Main Results:

  • Endothelial damage, senescence, impaired repair, plaque neovascularization, inflammation, and matrix metalloproteinase activity contribute to plaque instability.
  • The tissue factor-microparticle pathway is central to diabetic thrombophilia and cardiovascular complications.
  • Microparticles serve as key markers of global vascular damage in T2DM.

Conclusions:

  • Targeting the tissue factor-microparticle pathway presents a promising strategy for mitigating atherosclerotic complications in T2DM.
  • Understanding these pathways is crucial for developing effective treatments for diabetic cardiovascular disease.