Related Experiment Video
Updated: Sep 18, 2025
07:49
Intracerebroventricular Delivery of Gut-Derived Microbial Metabolites in Freely Moving Mice
Published on: June 2, 2022
3.4K
Arecoline Triggers Psychostimulant Responses by Modulating the Intestinal Microbiota to Influence Neurotransmitter
Jiaxin Di1, Shiqin Xie2, Junxi Shen2
1School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China.
Pharmaceuticals (Basel, Switzerland)
|June 27, 2025
Summary
Arecoline from Areca catechu enhances mouse activity by altering gut enzymes and neurotransmitters like dopamine and serotonin. This study explores its psychostimulant effects and gut-brain axis interactions.
Area of Science:
- Pharmacology
- Neuroscience
- Microbiology
Background:
- Areca catechu L. (Arecaceae family) is a traditional Chinese medicine.
- Arecoline is its primary active compound, known for central nervous system (CNS) stimulant properties.
Purpose of the Study:
- Investigate arecoline's excitatory effects on mice.
- Explore the interaction between the gut microbiota and nervous system after arecoline exposure.
Main Methods:
- Behavioral analysis in mice.
- Measurement of neurotransmitter levels (5-HT, DA, BDNF, GABA).
- Analysis of intestinal microbiota composition and enzymatic activities.
Main Results:
- Arecoline increased mouse activity time and fecal lactase/amylase activity.
- Observed changes in neurotransmitters: decreased 5-HT, increased DA and BDNF.
- Significant alterations in gut microbiota: enrichment of Escherichia, decrease in Clostridium, with correlations to neurotransmitters.
Conclusions:
- Arecoline administration induces psychostimulant effects by altering gut enzymes and microbial composition.
- Arecoline modulates neurotransmitter balance and gut-brain axis interactions.
- Provides a foundation for arecoline's pharmacological applications.
Related Concept Videos
01:23Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists
413
Serotonin, a crucial neurotransmitter synthesized by enterochromaffin cells, plays a cardinal role in regulating gastrointestinal (GI) motility. With over 90% of the body's total serotonin in the GI tract, its influence on digestive processes is profound. Serotonin is swiftly released upon various stimuli, such as food boluses or certain drugs, triggering intrinsic sensory neurons in the myenteric plexus and extrinsic vagal and spinal sensory neurons. This leads to the activation of the...
413
01:28Drugs Affecting GI Tract Motility: Dopamine Receptor Antagonists
639
Prokinetic agents are specialized medications that stimulate gastrointestinal (GI) motility, promoting food movement through the GI tract. Dopamine, an inhibitory neurotransmitter, plays a significant role in this process, reducing GI motility and indirectly controlling the speed of digestion. Dopamine receptor antagonists, such as metoclopramide and domperidone, offer a unique advantage as prokinetic agents. By blocking the dopamine receptors, these drugs increase GI motility, improving food...
639
01:22Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives
307
Laxatives enhance bowel movements and alleviate constipation. They augment the stool's bulk, stimulate intestinal muscle contractions, draw water into the intestines, or soften the stool. There are five key types of laxatives: bulk laxatives, stimulant laxatives, osmotic laxatives, stool softeners, and lubricant laxatives.
Bulk-forming laxatives, such as psyllium, methylcellulose, and polycarbophil, absorb water in the intestine, increasing stool bulk and promoting bowel movement. This...
Bulk-forming laxatives, such as psyllium, methylcellulose, and polycarbophil, absorb water in the intestine, increasing stool bulk and promoting bowel movement. This...
307
01:20Drugs Affecting GI Tract Motility: Other Laxatives
471
Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
Osmotic or saline laxatives, like magnesium hydroxide or milk of...
Osmotic or saline laxatives, like magnesium hydroxide or milk of...
471
01:17Drugs for Treatment of Diarrhea-Predominant IBS
312
Diarrhea-predominant irritable bowel syndrome (IBS-D) is a subtype of IBS characterized primarily by frequent, loose, or watery stools, abdominal pain, and abdominal discomfort. Therapeutic approaches to managing IBS-D include dietary changes, stress management techniques, and pharmaceutical interventions.
Two specific drugs used in the treatment are alosetron (Lotronex) and eluxadoline (Viberzi). Alosetron, a 5-HT3 antagonist, works by slowing the movement of stools in the gut, reducing bowel...
Two specific drugs used in the treatment are alosetron (Lotronex) and eluxadoline (Viberzi). Alosetron, a 5-HT3 antagonist, works by slowing the movement of stools in the gut, reducing bowel...
312
01:20Drugs Affecting GI Tract Motility: Adsorbents as Antidiarrheal Agents
325
Diarrhea is characterized by the occurrence of frequent, watery bowel movements. Various factors can trigger diarrhea, including viral or bacterial infections, foodborne illnesses, side effects from certain medications, and underlying digestive disorders. If not adequately managed, diarrhea can lead to complications such as dehydration, electrolyte imbalances, and nutrient deficiencies. Severe diarrhea can lead to significant weight loss, malnutrition, and weakened immune function.
Adsorbents...
Adsorbents...
325