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Related Concept Videos

Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

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Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features...
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Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

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Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the...
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Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Hypothalamic-Pituitary Axis01:37

Hypothalamic-Pituitary Axis

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The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
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Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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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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Adrenal Gland Disorders01:27

Adrenal Gland Disorders

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Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
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Related Experiment Video

Updated: Apr 30, 2026

Isolation, Characterization, and Purification of Macrophages from Tissues Affected by Obesity-related Inflammation
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Hypercortisolism in obesity-associated hypertension.

Amy G Varughese1, Oksana Nimkevych, Gabriel I Uwaifo

  • 1Section of Endocrinology, Diabetes and Metabolism, Department of Medicine, Louisiana State University Health Sciences Center (LSUHSC), 1542 Tulane Avenue, New Orleans, LA, 70112, USA, avarug@lsuhsc.edu.

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Obesity-related hypertension, particularly when linked to hypercortisolism, requires specific management. Treatments targeting the renin-angiotensin-aldosterone system and cortisol activity show promise for this distinct hypertension subtype.

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Area of Science:

  • Endocrinology
  • Cardiology
  • Metabolic Disorders

Background:

  • Obesity is a global health issue linked to increased cardiovascular disease risk.
  • Hypertension is the most common comorbidity in obesity, significantly raising cardiovascular risk.
  • Hypercortisolism, including various Cushing's syndromes, is increasingly recognized as a key factor in obesity-induced hypertension.

Purpose of the Study:

  • To provide a comprehensive review of glucocorticoid-mediated obesity hypertension.
  • To explore the epidemiology, etiopathogenesis, and management strategies for this condition.

Main Methods:

  • Literature review synthesizing current data on hypercortisolism and hypertension in obesity.
  • Analysis of diagnostic considerations and therapeutic options.

Main Results:

  • Hypercortisolism is an important consideration in managing obesity hypertension resistant to standard treatments.
  • Antihypertensives targeting the renin-angiotensin-aldosterone system demonstrate efficacy in hypercortisolism-mediated obesity hypertension.
  • Interventions aimed at reducing cortisol production or blocking its action are beneficial.

Conclusions:

  • Glucocorticoid excess plays a significant role in a subtype of obesity hypertension.
  • Effective management involves addressing hypercortisolism alongside conventional hypertension therapies.
  • Further research into specific therapeutic strategies for hypercortisolism-mediated obesity hypertension is warranted.