TREK-1 related research peptide

Spadin analog research peptide

A short research peptide associated with TREK-1 / spadin pathway work in depression and neurophysiology models.

Evidence:
Preclinical evidence primarily
Status:
Research-stage
Reviewed:
2026-08-03

Also known as: Spadin analog research peptide

What is Spadin analog research peptide?

A short research peptide associated with TREK-1 / spadin pathway work in depression and neurophysiology models.

This profile is educational. It organizes publicly discussed research context for Spadin analog research peptide and related naming aliases — it is not a treatment guide.

Proposed mechanism

Proposed modulation of TREK-1 potassium channel signaling pathways studied in preclinical mood/neuro research.

Mechanism language on PepGuide describes how researchers discuss pathways. Proposed mechanisms can change as evidence evolves.

Current research notes

Human evidence grade: Preclinical evidence primarily

Preclinical evidence grade: Early-stage human research

PE-22-28 is discussed in experimental neuropeptide contexts. Human clinical evidence is minimal.

Key uncertainties

  • Clinical translation

Research areas being studied

  • Neurophysiology
  • Mood research models

Being studied for a topic is not the same as proven benefit in that topic. Prefer primary literature for study design, endpoints, and limitations.

Safety & side-effect notes

Reported or discussed adverse effects

  • Not characterized in humans

Additional risks & considerations

  • Unknown human safety

Regulatory status

Research-stage

Regulatory framing here is educational and can lag policy changes. Check official sources for current status.

Frequently asked questions

What is Spadin analog research peptide?

A short research peptide associated with TREK-1 / spadin pathway work in depression and neurophysiology models.

How does Spadin analog research peptide work (proposed mechanism)?

Proposed modulation of TREK-1 potassium channel signaling pathways studied in preclinical mood/neuro research.

What is Spadin analog research peptide being researched for?

Spadin analog research peptide has been discussed in research contexts including: Neurophysiology, Mood research models.

What does current evidence say about Spadin analog research peptide?

Preclinical evidence primarily. PE-22-28 is discussed in experimental neuropeptide contexts. Human clinical evidence is minimal.

What safety considerations are noted for Spadin analog research peptide?

Reported or discussed considerations include: Not characterized in humans; Unknown human safety. This is educational information, not medical advice.

References & sources

  • Mazella J et al. (2010). Spadin and TREK-1 in depression models — Nat Neurosci. Evidence type: animal.

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Educational and research information only. PepGuide does not sell or prescribe peptides, diagnose conditions, or provide personalized medical advice. Evidence summaries may include early-stage, animal, or limited human research — none of that is a substitute for primary literature or clinician guidance.