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PE-22-28
PE-22-28 10mg (Spadin-TREK-1)
PE-22-28
PE-22-28 10mg
PE-22-28 10mg
PE-22-28 10mg
PE-22-28 10mg
PE-22-28 10mg
PE-22-28 10mg
Compare 14 prices for PE-22-28. Cheapest: £29.90. Average: £50.90.
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| £38.00 | £3.80/mg | In Stock | Free over £100 |
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| £42.99 | £4.30/mg | In Stock | Free |
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| £29.90 | £2.99/mg | In Stock | Free |
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| £40.00 | £4.00/mg | In Stock | Free |
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| £179.20 | £17.92/mg | In Stock | Free over £100 |
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| £48.00 | £4.80/mg | In Stock | Free |
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| £29.99 | £3.00/mg | In Stock | Free |
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| £38.12 | £3.81/mg | In Stock | Free |
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| £39.00 | £3.90/mg | In Stock | Free over £200 |
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| £39.99 | £4.00/mg | In Stock | Free |
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| £39.99 | £4.00/mg | In Stock | Free |
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| £52.50 | £5.25/mg | In Stock | Free |
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| £59.99 | £6.00/mg | In Stock | Free |
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TREK-1 Channel Blocker | Shortened Spadin Analog
Synthetic heptapeptide derived from Spadin positions 22-28, functioning as potent TREK-1 antagonist with enhanced selectivity and duration versus parent compound. Primary research focus on rapid antidepressant effects.
Selectively blocks TREK-1 potassium channels (IC50: 0.12 nM). Enhances serotonin neurotransmission in dorsal raphe nucleus, triggering CREB activation and hippocampal neurogenesis.
GVSWGL?
Glycine
Position 1
Valine
Position 2
Serine
Position 3
Tryptophan
Position 4
Glycine
Position 5
Leucine
Position 6
Arg (GVSWGLR)
Position 7
Primary research focus with rapid effects in behavioral models within 4 days.
Anxiolytic properties demonstrated in preclinical anxiety models.
Nearly doubles BrdU-positive cells after 4-day treatment.
Promotes new synapse formation through CREB activation.
Hippocampal and prefrontal cortex TREK-1 expression supports memory.
Potential ischemic protection and neuronal survival support.
Subcutaneous injection to abdominal fat or thigh with site rotation.
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| Antidepressant Effect | 50-200mcg | Once daily | SubQ |
| Neurogenesis Support | 100-200mcg | Once daily | SubQ |
Limited data from animal studies only; higher doses required than injection.
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| General Use | Higher than injectable (specific dose TBD) | Daily | Oral |
Theoretical route; unstudied for PE-22-28 specifically.
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| General Use | 100-300mcg (estimated) | Daily | Intranasal |
Both enhance serotonergic pathways; monitor for excessive activity.
Complementary neurogenesis and cognitive support.
Different mechanisms for anxiety and mood support.
Complementary neuroplasticity pathways.
Different mechanisms, no contraindications.
Serotonin syndrome risk.
Measurable antidepressant effects in preclinical models
Neurogenesis and synaptogenesis processes established
Potential mood and cognitive improvements emerge
Sustained treatment allows full neurogenic effects
PE-22-28 IC50 0.12 nM vs 40-60 nM for Spadin; ~23 hour duration. Frontiers in Pharmacology.
Original discovery of TREK-1 blockade as antidepressant mechanism. PLOS Biology.
TREK-1 knockout mice show depression-resistant behavior in 5 tests. Nature Neuroscience.
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