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Pathophysiology of Diabetes

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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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Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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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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The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
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The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
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Related Experiment Video

Updated: Feb 16, 2026

Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles

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[New perspectives on preeclampsia].

Céline Méhats1, Francisco Miralles1, Daniel Vaiman1

  • 1Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014 Paris, France.

Medecine Sciences : M/S
|December 21, 2017
PubMed
Summary

Preeclampsia, a severe pregnancy condition with hypertension and proteinuria, impacts maternal vascular health. This review covers its pathology, genetic basis, and therapeutic options for improved maternal and infant outcomes.

Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Cardiovascular Biology

Background:

  • Preeclampsia is a significant pregnancy complication affecting maternal vascular health.
  • Characterized by hypertension and proteinuria, it poses risks to both mother and child.
  • Understanding its complex pathophysiology is crucial for effective management.

Purpose of the Study:

  • To review recent advancements in preeclampsia pathology.
  • To discuss the long-term effects on maternal vascular health.
  • To explore therapeutic strategies for preeclamptic pregnancies.

Main Methods:

  • Literature review of recent advances in preeclampsia research.
  • Analysis of genetic, epigenetic, and immunological factors.

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  • Examination of cellular and animal models for pathophysiological insights.

    • Main Results:

    • Preeclampsia involves complex genetic, epigenetic, and immunological underpinnings.
    • Oxidative stress in placental and endothelial cells is a key factor.
    • Various models aid in deciphering disease mechanisms.

    Conclusions:

    • Recent research deepens the understanding of preeclampsia's pathology.
    • Long-term maternal vascular health implications require continued attention.
    • Therapeutic options are evolving for better patient and infant outcomes.