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Related Concept Videos

Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

Opioid Analgesics: Synthetic and Semisynthetic Opioids

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Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
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Opioid Receptors: Overview01:22

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Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2,...
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Opioid Analgesics: Morphine and Other Natural Cogeners01:20

Opioid Analgesics: Morphine and Other Natural Cogeners

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Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
894
Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents01:17

Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents

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Diarrhea, a condition marked by frequent loose or watery bowel movements, can be triggered by multiple factors such as viral or bacterial infections, food intolerances, anxiety, medications, and digestive disorders. Symptoms may include abdominal pain, bloating, nausea, and cramping. Severe or prolonged diarrhea can lead to complications like electrolyte imbalances, malnutrition, and dehydration if left untreated.
Opioids, widely used antidiarrheal agents, mitigate diarrhea by slowing down...
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Related Experiment Video

Updated: Jan 22, 2026

Combining Laser Capture Microdissection and Microfluidic qPCR to Analyze Transcriptional Profiles of Single Cells: A Systems Biology Approach to Opioid Dependence
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Opioids in Canada.

Vera Grywacheski1, Allison Sabad1, Lyubov Kushtova2

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Area of Science:

  • Public Health
  • Epidemiology
  • Addiction Medicine

Background:

  • The opioid crisis presents significant challenges across Canada.
  • Understanding crisis trends is crucial for harm reduction strategies.
  • Pan-Canadian data are essential for effective interventions.

Purpose of the Study:

  • To summarize recent trends in opioid-related harms nationwide.
  • To analyze recent trends in opioid prescribing across Canada.
  • To inform public health initiatives with up-to-date data.

Main Methods:

  • Analysis of pan-Canadian data on opioid-related harms.
  • Examination of opioid prescribing patterns.
  • Reporting data at national, provincial, and community levels.

Main Results:

  • Recent trends in opioid poisonings are detailed.
  • Data on opioid use disorders are presented.
  • Adverse reactions and neonatal withdrawal symptoms are summarized.

Conclusions:

  • Comprehensive data are vital for addressing the opioid crisis.
  • Understanding trends guides targeted harm reduction efforts.
  • The study provides a national overview of opioid-related issues.