Related Experiment Video
Updated: Jun 17, 2026
07:56
A Plate-Based Assay for the Measurement of Endogenous Monoamine Release in Acute Brain Slices
Published on: August 11, 2021
Brain serotonin, psychoactive drugs, and effects on reproduction
1UNAM, México D.F., México. marayalamx@yahoo.com.mx
Central Nervous System Agents in Medicinal Chemistry
|December 22, 2009
Summary
This review examines how drugs affecting serotonin impact reproductive functions. It explores links between serotonergic transmission, neuroendocrine control, and reproductive events in animal models, with implications for human health.
Area of Science:
- Neuroscience
- Endocrinology
- Psychopharmacology
Background:
- Serotonin regulates numerous CNS functions, including mood, behavior, and hormone secretion.
- Dysregulation of serotonin is linked to psychiatric disorders and other conditions.
- Drugs affecting serotonin have therapeutic uses or are drugs of abuse, altering serotonergic neurons.
Purpose of the Study:
- To evaluate the effects of specific drugs (MDMA, pCA, fenfluramine, fluoxetine) on central serotonergic transmission.
- To examine the relationship between these drug-induced serotonergic alterations and neuroendocrine mechanisms controlling reproduction.
- To discuss potential reproductive consequences in humans based on animal model findings.
Main Methods:
- Review of existing literature on drug effects on serotonergic transmission.
- Analysis of animal model studies investigating neuroendocrine and reproductive outcomes.
- Correlation of serotonergic system changes with reproductive events like gonadotropin secretion and sexual behavior.
Main Results:
- Drugs like MDMA and fenfluramine significantly alter serotonergic transmission.
- These alterations are associated with changes in neuroendocrine pathways regulating reproduction in animal models.
- Specific impacts on gonadotropin secretion, ovulation, spermatogenesis, and sexual behavior were observed.
Conclusions:
- Alterations in serotonergic transmission by psychoactive drugs can disrupt reproductive functions.
- Neuroendocrine mechanisms are key mediators of these reproductive consequences.
- Further research is needed to fully understand and address the reproductive implications in humans.
Related Concept Videos
01:23Antidepressant Drugs: MAOIs and Other Agents
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...
01:21Drugs Affecting Neurotransmitter Release or Uptake
Certain drugs can affect how neurotransmitters called catecholamines, are released or taken back up in the adrenergic neuron. They can have different effects on the body's sympathetic transmission. Reserpine, a natural compound found in the Rauwolfia shrub, blocks a transporter called vesicular monoamine transporter (VMAT), which leads to a buildup of catecholamines in the cell and reduces sympathetic transmission. Another drug called guanethidine works in multiple ways, including blocking...
01:28Antidepressant Drugs: Tricyclics, SSRIs, and SNRIs
Tricyclic Antidepressants (TCAs), including Desipramine (Norpramin), Imipramine (Tofranil), Clomipramine (Anafranil), and Amitriptyline (Elavil), inhibit serotonin and norepinephrine reuptake and also block other receptors. They are used for depression, pain conditions, and insomnia. Common adverse effects include anticholinergic effects, sedation, orthostatic hypotension, and weight gain. They have a narrow therapeutic window and so require plasma-level monitoring. Abrupt discontinuation can...
01:23Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists
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...
01:25Antidepressant Drugs: Overview
Antidepressant drugs are a class of medications primarily used for treating various mood disorders, including major depression, anxiety disorders, and other related conditions. These medicines work by modulating the neurotransmitter balance within the brain, alleviating depressive symptoms. Antidepressants can be broadly categorized into several groups according to their mechanism of action and chemical structure: Selective Serotonin Reuptake Inhibitors (SSRIs), Serotonin-Norepinephrine...
01:17Sedatives and Hypnotics Drugs: Miscellaneous Agents
Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...