Related Experiment Video
Updated: Sep 10, 2025

09:18
A Gut-on-a-Chip Model to Study the Gut Microbiome-Nervous System Axis
Published on: July 28, 2023
2.8K
The Role of the Gut-Brain Axis in Diseases
Jing Chen1, Yijia Xu2, Peng Cao2,3
1Department of Neurosurgery, Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, Beijing, China.
Physiology (Bethesda, Md.)
|August 19, 2025
Summary
The gut-brain axis, a communication pathway between the gut and brain, is vital for health. Its disruption is linked to numerous diseases, highlighting its therapeutic potential.
Area of Science:
- Neuroscience
- Gastroenterology
- Immunology
Background:
- The gut-brain axis involves bidirectional signaling between the gastrointestinal tract and the brain.
- This communication network utilizes neural, immune, and endocrine pathways.
- Its proper function is essential for maintaining physiological homeostasis.
Purpose of the Study:
- To provide a comprehensive overview of the gut-brain axis.
- To detail its role in the pathogenesis of various diseases.
- To explore the therapeutic relevance of modulating gut-brain signaling.
Main Methods:
- Literature review of current research on the gut-brain axis.
- Analysis of molecular mechanisms underlying gut-brain communication.
- Examination of emerging therapeutic strategies targeting the gut-brain axis.
Main Results:
- Dysregulation of the gut-brain axis is associated with neuropsychiatric, neurodegenerative, and neurodevelopmental disorders.
- Imbalances in this axis contribute to emotional, cognitive, and feeding disturbances.
- Complex molecular interactions are key to maintaining gut-brain homeostasis.
Conclusions:
- The gut-brain axis plays a critical role in health and disease.
- Targeting gut-brain signaling presents promising therapeutic avenues.
- Further research into this axis can lead to novel treatment strategies.
More Related Videos
Related Concept Videos
Irritable Bowel Syndrome I: Introduction
375
Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
375
Physiology of Enteric Nervous System and Gut Health
416
The gastrointestinal tract, responsible for the digestion and absorption of nutrients, is safeguarded by the intestinal barrier, which consists of secretory, physical, and immune components. At the forefront is the secretory barrier, composed of essential elements such as mucus, gut microbiota, and defense proteins. They collaborate to break down food particles, facilitate nutrient absorption, and maintain optimal gut health. These secretory components ensure the smooth functioning of the...
416
Neural Regulation
39.9K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
39.9K
Hypothalamic-Pituitary Axis
61.6K
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.
61.6K
Chronic Bowel Disorders: Introduction
540
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
540
Hormonal Regulation
44.3K
Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
44.3K

