Applicable Methods
Dermorphin is currently limited to preclinical studies and has no approved human dosing regimen. Dosing methods vary significantly depending on the research objective and model; the following information is for reference only:
Common routes of administration in animal studies:
Intrathecal injection: Acts directly on nociceptive neurons in the dorsal horn of the spinal cord, producing dose-dependent inhibition of C-fiber-induced responses.
Intranasal administration: Demonstrates feasibility of non-invasive administration in animal models.
Intraperitoneal injection: A systemic administration route; analgesic effects exceeding 50% have been observed in certain analogues.
Intraventricular injection: Used for studies of mechanisms of action in the central nervous system.
Important warning regarding "Applicable Methods":
Peptide drugs generally suffer from low oral bioavailability; the primary routes of administration are injection or local administration.
Dermorphin exhibits a biphasic dose-dependent pharmacological effect: low doses (e.g., 10-100 pmol/kg, intraventricular) produce respiratory and motor stimuli; high doses lead to stiffness and respiratory depression. This characteristic places extremely high demands on dosage design.
Application Scenarios
Based on existing research, the exploration of Dermorphin mainly focuses on the following areas:
Pain Research:
Neuropathic Pain: Dermorphin and its analogues are used to study intervention strategies for neuropathic pain (e.g., diabetic neuropathy, chemotherapy-induced pain). Its activation of peripheral μ-opioid receptors can produce a biased inhibitory effect.
Postoperative Pain: Used as a highly effective analgesic tool for research on the inhibition of nociceptive afferent at the spinal cord level.
Opioid Receptor Pharmacology Research: Due to its high selectivity for μ receptors, Dermorphin is widely used as a tool molecule to study the differential functions of μ1 and μ2 receptor subtypes (e.g., low-dose excitatory effect vs. high-dose inhibitory effect).
Neuroendocrine Regulation: In animal models, Dermorphin has been observed to stimulate prolactin secretion through central action, and is used to study the regulation of the hypothalamic-pituitary axis by the opioid system.
Important Limitations and Risks:
Severe Lack of Human Evidence: This peptide is currently in the preclinical research stage, and extensive human trial data are lacking.
Potential Side Effects: Despite its high selectivity, as a μ-receptor agonist, long-term use still requires attention to the risks of tolerability, dependence, and respiratory depression.
Storage Conditions:
As a polypeptide, Dermorphin is sensitive to environmental factors and must be stored strictly according to the following cold chain guidelines to ensure its bioactivity: Unreconstituted (lyophilized powder): Store at -20°C or lower in a light-protected, sealed container. Under these conditions, it can generally be stably stored for 1 to 3 years.
Reconstituted (solution): Reconstituted peptides are highly susceptible to degradation. They must be immediately aliquoted into small volumes and stored at -20°C or -80°C. If refrigerated at 4°C, it can only be stored for a short period of several days, and repeated freeze-thaw cycles must be strictly avoided.
Transportation Requirements: Dry ice or blue ice is usually required to maintain a cold chain during transportation to avoid prolonged exposure to room temperature.
FAQ
Q: What is the minimum order quantity?
A: The minimum order quantity is 10 bottles/set.
Q: How long does it take to ship?
A: In-stock orders will be shipped within 24 hours.
Q: What purity can you provide?
A: Standard purity 99%.
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