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PCOL 11-2 Cannabinoids
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PCOL 11-2 Cannabinoids

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Questions and Answers

Which compounds are examples of phytocannabinoids?

  • HU-210, 2-AG, cannatonic
  • THC, CBD, CBG (correct)
  • 2-AG, anandamide, nabilone
  • Terpenoids, flavonoids, THC
  • What is the typical cannabinoid profile of street cannabis?

  • More THC and less CBD (correct)
  • Equal amounts of THC and CBD
  • No THC or CBD
  • More CBD and less THC
  • What is the primary function of endocannabinoids?

  • Increase anxiety
  • Induce sleep
  • Enhance pain perception
  • Maintain homeostasis (correct)
  • Which therapeutic use of cannabis has the highest percentage among the listed options?

    <p>Pain</p> Signup and view all the answers

    What is the typical cannabinoid profile of strains like cannatonic?

    <p>Nearly 1:1 ratio of THC and CBD</p> Signup and view all the answers

    Which part of the brain has low expression of CB receptors, thus not affecting the cardiovascular or respiratory system?

    <p>Brainstem</p> Signup and view all the answers

    What is the function of endocannabinoids traveling from post-synaptic to pre-synaptic neurons?

    <p>Downmodulate excessive signaling</p> Signup and view all the answers

    Which enzyme is inhibited by THC and CBD, but not hFAAH?

    <p>hFABP</p> Signup and view all the answers

    Which of the following is a potential effect of CB1 activation on pain pathways?

    <p>Inhibition of ascending nociceptive transmission</p> Signup and view all the answers

    What is the impact of paracetamol and other NSAIDs on endocannabinoid levels?

    <p>They inhibit FAAH and boost endocannabinoid levels</p> Signup and view all the answers

    What is the consequence of a patient with FAAH mutation (causing loss of function) having increased blood anandamide concentrations?

    <p>The patient appears to feel no pain</p> Signup and view all the answers

    What is the impact of increased AEA concentration detected after exercise and singing?

    <p>Termination of HPA response</p> Signup and view all the answers

    In PTSD, what is the association of 2-AG and AEA with response?

    <p>Lower 2-AG concentrations associated with rapid response</p> Signup and view all the answers

    Which of the following is a future drug for social anxiety in phase II trials?

    <p>FAAH inhibitors</p> Signup and view all the answers

    What is the most effective combination for increasing seizure threshold?

    <p>CBD and clobazam</p> Signup and view all the answers

    What evidence suggests possible synergy in anticonvulsant effects?

    <p>Combination of THC and THCA</p> Signup and view all the answers

    What is the relevance of minor cannabinoids in anticonvulsant effects?

    <p>Even minor cannabinoids are relevant, as when removed, anticonvulsant effects disappeared</p> Signup and view all the answers

    Study Notes

    Phytocannabinoids

    • Examples include THC (tetrahydrocannabinol) and CBD (cannabidiol).
    • Phytocannabinoids are compounds derived from cannabis plants that interact with the body's endocannabinoid system.

    Cannabinoid Profiles

    • Street cannabis typically has high levels of THC and lower levels of CBD.
    • Strains like Cannatonic generally have a balanced cannabinoid profile with a higher CBD content for therapeutic effects.

    Endocannabinoids

    • Primary function is to regulate homeostasis and modulate neurotransmitter release.
    • Endocannabinoids travel from post-synaptic to pre-synaptic neurons, enhancing signaling in the neural circuit.

    CB Receptor Expression

    • The brain region with low expression of CB receptors is the medulla oblongata, minimizing effects on cardiovascular and respiratory functions.

    Cannabis Therapeutic Uses

    • Pain management shows the highest percentage among therapeutic uses of cannabis, indicating its effectiveness in treating chronic pain.

    Enzymatic Inhibition

    • THC and CBD inhibit the enzyme DAGL (diacylglycerol lipase), influencing the production of endocannabinoids but do not affect hFAAH (fatty acid amide hydrolase).

    Effects of CB1 Activation

    • Activation of CB1 receptors can decrease pain sensation by modulating pain pathways in the central nervous system.

    Impact of NSAIDs on Endocannabinoids

    • Paracetamol and other NSAIDs can increase endocannabinoid levels, potentially enhancing their analgesic effects.

    FAAH Mutation Consequences

    • Patients with FAAH mutation and increased blood anandamide levels may experience heightened sensitivity to pain and mood disorders due to disrupted endocannabinoid signaling.

    Effects of Exercise and Singing

    • Increased AEA (anandamide) concentration after exercise and singing may contribute to "runner's high" or enhanced mood states.

    PTSD and Cannabinoids

    • In PTSD, 2-AG (2-arachidonoylglycerol) and AEA levels are associated with varying responses to treatment, influencing symptom severity and emotional regulation.

    Future Drug Trials

    • A compound in phase II trials for social anxiety disorder is known to modulate the endocannabinoid system, showing promise for therapeutic use.

    Anticonvulsant Effects

    • The combination of CBD and THC has demonstrated effectiveness in increasing seizure threshold, suggesting potential for epilepsy treatment.

    Evidence for Synergy

    • Suggestions of synergy in anticonvulsant effects exist when combining minor cannabinoids like CBG (cannabigerol) with CBD.

    Minor Cannabinoids Relevance

    • Minor cannabinoids are relevant in anticonvulsant effects due to their unique mechanisms that complement the actions of major cannabinoids like THC and CBD.

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    Test your knowledge of cannabinoids and their various forms in this quiz! Explore the world of phytocannabinoids, synthetic cannabinoids, endocannabinoids, and the therapeutic compounds found in the cannabis plant.

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