Related Experiment Video
Updated: Jun 11, 2025
07:30
Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
3.0K
Hypothalamic Gliosis is Associated With Multiple Cardiovascular Disease Risk Factors.
Justin Lo1, Susan J Melhorn2, Sarah Kee2
1School of Medicine, University of Washington, Seattle, WA.
Medrxiv : the Preprint Server for Health Sciences
|October 7, 2024
Summary
Hypothalamic gliosis, a brain change, is linked to obesity and cardiovascular disease risk factors like hypertension and metabolic syndrome in humans. These findings suggest brain health is crucial for metabolic well-being.
Area of Science:
- Neuroimaging and Neuroscience
- Cardiovascular Disease Research
- Metabolic Health Studies
Background:
- Hypothalamic gliosis is mechanistically linked to obesity and insulin resistance in rodent models.
- This study investigates the cross-sectional associations between radiologic measures of hypothalamic gliosis in humans and cardiovascular disease (CVD) risk factors.
Purpose of the Study:
- To test associations between radiologic measures of hypothalamic gliosis and clinically relevant CVD risk factors.
- To examine the relationship between hypothalamic gliosis and prevalent coronary heart disease.
Main Methods:
- Brain MRI images from 867 Framingham Heart Study participants were analyzed for T2 signal intensities in the mediobasal hypothalamus (MBH) and reference regions.
- T2 signal ratios (MBH/AMY) were calculated to quantify gliosis, with outcomes including BMI, lipids, and prevalence of hypertension, diabetes, metabolic syndrome, and coronary heart disease.
- Statistical analyses used linear and logistic regression, with dietary factors assessed prospectively.
Main Results:
- Greater MBH/AMY T2 signal ratios were associated with higher BMI, higher fasting triglycerides, lower HDL-C, and increased odds of hypertension, independent of BMI.
- Metabolic syndrome was also significantly associated with MBH/AMY T2 signal ratios.
- No significant association was found with prevalent coronary heart disease, though confidence intervals were wide.
Conclusions:
- Hypothalamic gliosis is linked to multiple cardiovascular disease risk factors in humans, even independent of adiposity.
- These findings underscore the importance of considering neurological mechanisms in understanding and improving cardiometabolic health.
More Related Videos
07:51Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
Published on: September 26, 2018
7.6K
10:11Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies
Published on: October 22, 2014
19.1K
Related Concept Videos
01:27Psychoneuroimmunology: Cardiovascular Disease
26
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
26
01:30Coronary Artery Disease I: Introduction
3
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
3
01:17Ischemic Heart Disease: Overview
1.2K
Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
1.2K
01:29Hypertension II: Pathophysiology
2
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,...
2
01:29Cardiomyopathy III: Hypertrophic Cardiomyopathy
1
Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
1
01:27Atherosclerosis II: Clinical manifestations and prevention
2
Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
2