Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Regulation of Food Intake01:30

Regulation of Food Intake

204
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
204
Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists01:28

Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists

410
Histamine H2 receptors, which are intricately located on the basolateral membrane of parietal cells, play a crucial role in modulating gastric acid secretion. When released from enterochromaffin-like cells, histamine engages H2 receptors, initiating the cyclic AMP (cAMP) pathway. In this pathway, adenylyl cyclase converts ATP into cAMP, elevating intracellular cAMP levels. The activation of protein kinase A follows, stimulating the proton pump. This stimulation prompts the secretion of hydrogen...
410
Antidepressant Drugs: MAOIs and Other Agents01:23

Antidepressant Drugs: MAOIs and Other Agents

201
Atypical antidepressants, including bupropion (Wellbutrin), mirtazapine (Remeron), nefazodone (Serzone), trazodone (Desyrel), and vilazodone (Viibryd), offer unique mechanisms of action. Bupropion weakly inhibits dopamine and norepinephrine reuptake, aiding depression treatment and smoking cessation, with a low risk of sexual dysfunction. Mirtazapine enhances serotonin and norepinephrine neurotransmission, leading to sedation, increased appetite, and weight gain. As a result, it helps treat...
201
Hormonal Regulation01:40

Hormonal Regulation

43.2K
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.
43.2K
Desensitization and Tachyphylaxis01:20

Desensitization and Tachyphylaxis

1.6K
Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
1.6K
Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists01:23

Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists

222
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...
222

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Self-sustained heterogeneity drives PDAC.

Science signaling·2026
Same author

An inflammation memento.

Science signaling·2026
Same author

Fungi facilitate gut healing.

Science signaling·2026
Same author

<i>Shigella</i> mixes and matches host proteins.

Science signaling·2025
Same author

Sensory support for stem cells.

Science signaling·2025
Same author

Estrogen-powered kidney protection.

Science signaling·2025

Related Experiment Video

Updated: Jun 12, 2025

A RAPID Method for Blood Processing to Increase the Yield of Plasma Peptide Levels in Human Blood
11:36

A RAPID Method for Blood Processing to Increase the Yield of Plasma Peptide Levels in Human Blood

Published on: April 28, 2016

9.3K

Suppressing appetite with taurine.

Annalisa M VanHook1

  • 1Science Signaling, AAAS, Washington, DC 20005, USA.

Science Signaling
|September 17, 2024
PubMed
Summary

The taurine metabolite N-acetyltaurine, a compound derived from taurine, was found to prevent obesity in mice. This protective effect is achieved by reducing the animals' overall food consumption.

Area of Science:

  • Biochemistry
  • Metabolism
  • Obesity Research

Background:

  • Diet-induced obesity is a significant health concern.
  • Taurine is an amino acid with various physiological roles.
  • Metabolites of taurine are being investigated for therapeutic potential.

Purpose of the Study:

  • To investigate the role of N-acetyltaurine in preventing diet-induced obesity.
  • To determine the mechanism by which N-acetyltaurine affects body weight regulation.

Main Methods:

  • Mice were fed a high-fat diet to induce obesity.
  • Administration of N-acetyltaurine was performed.
  • Food intake and body weight were monitored.

Main Results:

More Related Videos

Fat Preference: A Novel Model of Eating Behavior in Rats
05:57

Fat Preference: A Novel Model of Eating Behavior in Rats

Published on: June 27, 2014

13.1K
Studying Food Reward and Motivation in Humans
12:09

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

23.2K

Related Experiment Videos

Last Updated: Jun 12, 2025

A RAPID Method for Blood Processing to Increase the Yield of Plasma Peptide Levels in Human Blood
11:36

A RAPID Method for Blood Processing to Increase the Yield of Plasma Peptide Levels in Human Blood

Published on: April 28, 2016

9.3K
Fat Preference: A Novel Model of Eating Behavior in Rats
05:57

Fat Preference: A Novel Model of Eating Behavior in Rats

Published on: June 27, 2014

13.1K
Studying Food Reward and Motivation in Humans
12:09

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

23.2K
  • N-acetyltaurine administration significantly protected mice from gaining weight on a high-fat diet.
  • Mice treated with N-acetyltaurine exhibited reduced food intake compared to control groups.
  • No adverse effects were observed.
  • Conclusions:

    • N-acetyltaurine is a promising metabolite for combating diet-induced obesity.
    • Reducing food intake is a key mechanism for N-acetyltaurine's anti-obesity effects.
    • Further research into N-acetyltaurine as a therapeutic agent is warranted.