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Dermorphin

Heptapeptide μ-Opioid Receptor AgonistResearch use only

Half-life

Short and context-dependent; rapid plasma degradation typical of peptides (minutes to low hours in preclinical models). Central effects may outlast plasma exposure.

Delivery

Primarily central routes in animal research (e.g., intrathecal, intracerebroventricular). Peripheral or intranasal routes have limited CNS penetration due to peptide nature; carrier systems or analogs are often explored in preclinical work.

Dosage

Research Use Only

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Description

Dermorphin is a natural heptapeptide (H-Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2) originally isolated from Phyllomedusa frog skin secretions. It is a highly potent and μ-opioid–selective agonist, used in research to probe nociception, analgesia, and opioid receptor signaling bias.

Usage

Employed in pain and neuropharmacology research to study μ-receptor activation, G-protein/β-arrestin signaling, antinociception, tolerance development, and receptor selectivity versus δ/κ pathways.

Mechanism of Action

Binds μ-opioid receptors (MOR) with high affinity; activates Gi/o proteins to inhibit adenylyl cyclase, reduce cAMP, open GIRK channels, and inhibit voltage-gated Ca2+ channels—dampening neurotransmitter release in pain pathways.

Benefits(3)

  • Robust antinociceptive effects in animal models
  • High μ-receptor selectivity versus other opioid receptors
  • Tool compound for biased-agonism and tolerance studies

Side Effects(6)

  • Respiratory depression
  • Sedation, dizziness, nausea
  • Pruritus and constipation
  • Bradycardia or hypotension (dose/context-dependent)
  • Tolerance, dependence, and withdrawal with repeated exposure
  • Risk of misuse/abuse; clinical use is generally not approved

Dermorphin — frequently asked questions

  • What is Dermorphin?

    Dermorphin is a natural heptapeptide (H-Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2) originally isolated from Phyllomedusa frog skin secretions. It is a highly potent and μ-opioid–selective agonist, used in research to probe nociception, analgesia, and opioid receptor signaling bias.

  • What is the half-life of Dermorphin?

    Dermorphin has an approximate half-life of Short and context-dependent; rapid plasma degradation typical of peptides (minutes to low hours in preclinical models). Central effects may outlast plasma exposure.. The half-life determines how often you need to inject to maintain steady blood levels — use the Peptides Calculator half-life calculator to plot your specific dosing schedule and see the decay curve.

  • How is Dermorphin administered?

    Dermorphin is typically delivered via primarily central routes in animal research (e.g., intrathecal, intracerebroventricular). peripheral or intranasal routes have limited cns penetration due to peptide nature; carrier systems or analogs are often explored in preclinical work.. The Peptides Calculator app helps you reconstitute the vial with bacteriostatic water, calculate your exact dose in syringe units, and track each injection.

  • How does Dermorphin work?

    Binds μ-opioid receptors (MOR) with high affinity; activates Gi/o proteins to inhibit adenylyl cyclase, reduce cAMP, open GIRK channels, and inhibit voltage-gated Ca2+ channels—dampening neurotransmitter release in pain pathways.

  • What are the researched benefits of Dermorphin?

    Studied benefits of Dermorphin include: Robust antinociceptive effects in animal models, High μ-receptor selectivity versus other opioid receptors, Tool compound for biased-agonism and tolerance studies. These are research findings only — Peptides Calculator does not provide medical advice; consult a qualified healthcare professional before starting any peptide protocol.

  • What are the side effects of Dermorphin?

    Reported side effects of Dermorphin include: Respiratory depression, Sedation, dizziness, nausea, Pruritus and constipation, Bradycardia or hypotension (dose/context-dependent), Tolerance, dependence, and withdrawal with repeated exposure, Risk of misuse/abuse; clinical use is generally not approved. Always discuss potential side effects with a licensed healthcare provider before using any research peptide.

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