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Isolation, Characterization, and Purification of Macrophages from Tissues Affected by Obesity-related Inflammation
Published on: April 3, 2017
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Obesity-induced inflammation: connecting the periphery to the brain
Ophélia Le Thuc1,2, Cristina García-Cáceres3,4,5
1Institute for Diabetes and Obesity, Helmholtz Diabetes Center at Helmholtz Zentrum München, Neuherberg, Germany.
Nature Metabolism
|July 12, 2024
Summary
Obesity causes chronic inflammation, disrupting brain-body communication crucial for homeostasis. This impacts cognitive function and increases risks for Alzheimer's disease and dementia.
Area of Science:
- Neuroscience
- Immunology
- Metabolic Disorders
Background:
- Obesity is linked to chronic, low-grade inflammation throughout the body.
- This inflammation disrupts crucial brain-periphery communication pathways.
- Key communication interfaces like the blood-brain barrier are affected.
Purpose of the Study:
- To explore the complex communication between the brain and periphery.
- To highlight how obesity-induced inflammation affects brain function.
- To understand the link between obesity, inflammation, and cognitive decline.
Main Methods:
- Review of existing scientific literature.
- Analysis of inflammatory pathways in obesity.
- Examination of neuro-immune signaling disruptions.
Main Results:
- Obesity-induced inflammation impairs communication interfaces (blood-brain barrier, glymphatic system, meninges).
- Brain regions involved in homeostasis and cognition (hypothalamus) are susceptible to damage.
- Dysregulation of energy homeostasis and increased risk of cognitive impairments are observed.
Conclusions:
- Obesity-induced inflammation significantly disrupts brain-body communication.
- This disruption elevates the risk of cognitive impairments, including Alzheimer's disease and dementia.
- Understanding these pathways is vital for developing therapeutic strategies.
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