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Related Concept Videos

Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

Sedatives 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...
Management of Insomnia01:19

Management of Insomnia

The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
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Sedatives and Hypnotics: Overview

Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
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Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists01:28

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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...
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Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists

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Related Experiment Video

Updated: Jul 14, 2026

Human Primary Trophoblast Cell Culture Model to Study the Protective Effects of Melatonin Against Hypoxia/reoxygenation-induced Disruption
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Human Primary Trophoblast Cell Culture Model to Study the Protective Effects of Melatonin Against Hypoxia/reoxygenation-induced Disruption

Published on: July 30, 2016

[Antihelicobacter effects of melatonin].

N K Malinovskaia, S I Rapoport, N I Zhernakova

    Klinicheskaia Meditsina
    |May 26, 2007
    PubMed
    Summary

    Melatonin shows promise for eradicating Helicobacter pylori (HP) in patients with chronic gastritis and peptic ulcers. This study suggests melatonin as an effective alternative to antibiotics for HP eradication.

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    Human Primary Trophoblast Cell Culture Model to Study the Protective Effects of Melatonin Against Hypoxia/reoxygenation-induced Disruption
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    Published on: October 20, 2023

    Area of Science:

    • Gastroenterology
    • Microbiology
    • Pharmacology

    Background:

    • Helicobacter pylori (HP) infection is a major cause of chronic gastritis and peptic ulcer disease.
    • Current eradication therapies often involve antibiotics, raising concerns about resistance and side effects.

    Purpose of the Study:

    • To investigate the efficacy of melatonin as a novel, antibiotic-free approach for HP eradication.
    • To evaluate melatonin's potential in managing conditions associated with HP infection.

    Main Methods:

    • The study explored the use of melatonin's properties for HP eradication.
    • Patient cohorts with chronic gastritis and peptic ulcers were considered.

    Main Results:

    • Melatonin demonstrated a clear and positive effect in eradicating HP.
    • The findings indicate melatonin's potential as an effective therapeutic agent.

    Conclusions:

    • Melatonin presents a viable, antibiotic-free strategy for Helicobacter pylori eradication.
    • Further research into melatonin's therapeutic applications in gastrointestinal health is warranted.