Semax vs Pinealon
Semax and Pinealon are both studied in CNS and neuroprotection research, but their mechanisms and primary research contexts differ substantially. Semax is a synthetic heptapeptide analog of ACTH(4-7) that has been studied for its ability to upregulate BDNF and NGF, the key neurotrophic factors involved in neuronal survival and plasticity. Pinealon is a tripeptide derived from the pineal gland, studied primarily for epigenetic regulation of neuronal gene expression and neuroprotection in oxidative stress models. Researchers selecting between them typically focus on whether the study targets acute neurotrophic modulation or longer-term neuronal gene regulation.
Semax
Heptapeptide, ACTH(4-7) analog
Pinealon
Tripeptide (Glu-Asp-Arg), pineal gland origin
At a Glance
Key research profiles for each compound.
Semax
Synthetic ACTH analog studied for BDNF modulation and cognitive research
Class
Heptapeptide, ACTH(4-7) analog
Mechanism
BDNF and NGF upregulation, melanocortin receptor activity
Half-Life
Short, minutes to low hours in preclinical models
Research Area
CNS, neuroprotection, cognitive function
- Investigated for BDNF and NGF upregulation in CNS preclinical models
- Studied for neuroprotective properties in ischemic injury animal models
- Examined for dopaminergic and serotonergic system modulation in brain research
- Documented effects on memory consolidation and cognitive performance in rodents
Pinealon
Pineal gland tripeptide studied for neuronal gene regulation and neuroprotection
Class
Tripeptide (Glu-Asp-Arg), pineal gland origin
Mechanism
Epigenetic gene regulation, neuronal protection, melatonin modulation
Half-Life
Short, rapidly cleared in preclinical models
Research Area
CNS, neurodegeneration, visual system, longevity
- Studied for epigenetic gene regulation in neuronal cell models
- Investigated for neuroprotective properties in oxidative stress models
- Examined for effects on retinal cell survival and visual system research
- Documented influence on melatonin synthesis pathways in pineal gland models
Side-by-Side Comparison
Key research parameters compared directly.
| Feature | Semax | Pinealon |
|---|---|---|
| Peptide Class | Heptapeptide, ACTH analog (7 AA) | Tripeptide (3 AA), pineal origin |
| Primary Mechanism | BDNF/NGF upregulation, melanocortin activity | Epigenetic neuronal gene regulation |
| Research Focus | Cognitive function, CNS neuroprotection | Neurodegeneration, visual system, longevity |
| Molecular Weight | ~887 Da | ~433 Da |
| Natural Origin | Synthetic analog of endogenous ACTH fragment | Isolated from bovine pineal gland tissue |
| Research Timeline | Developed in Soviet/Russian neuroscience from 1980s | Developed by Khavinson lab, 1990s onward |
| Brain Region Focus | Cortex, hippocampus, dopaminergic pathways | Pineal gland, retina, neuronal populations broadly |
| Anti-Aging Relevance | Cognitive decline, neuroprotection in aging models | Neuronal longevity, epigenetic regulation of aging |
Research Deep-Dive
Semax
Semax (Met-Glu-His-Phe-Pro-Gly-Pro) is a synthetic analog of the adrenocorticotropic hormone fragment ACTH(4-7), developed in Russian neuroscience research in the 1980s. Its primary documented mechanism in animal models involves upregulation of brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF), neurotrophins critical for neuronal survival, synaptic plasticity, and learning-related processes. In rodent stroke models, Semax administration has been associated with reduced infarct volume and improved functional outcomes. The compound also interacts with the dopaminergic and serotonergic systems, contributing to its documented effects on attention, memory consolidation, and cognitive performance in preclinical studies.
View Semax →Pinealon
Pinealon (Glu-Asp-Arg) is a synthetic tripeptide analog of a peptide isolated from bovine pineal gland tissue, developed by the Khavinson group at the St. Petersburg Institute of Bioregulation and Gerontology. Its primary research mechanism is epigenetic: Pinealon has been shown in cell models to penetrate nuclear membranes and interact directly with chromatin, influencing the expression of genes involved in neuronal survival, oxidative defense, and aging. Research in retinal models has examined Pinealon for its protective effects on photoreceptor cells under oxidative stress conditions. Its connection to the pineal gland has also directed research toward its influence on melatonin synthesis pathways and circadian gene regulation in aging models.
View Pinealon →Research Context
Researchers studying age-related cognitive decline or neuronal longevity sometimes include both Semax and Pinealon in their compound panel. Semax offers a more acute, neurotrophic mechanism suited to models of ischemia, cognitive enhancement, or short-term CNS protection. Pinealon offers a slower, epigenetic approach more relevant to neurodegeneration and longevity research. Their mechanisms are distinct enough to be complementary in multi-target CNS aging studies.
Frequently Asked Questions
Related Comparisons
Research Use Cases
Research Stacks
Source Both Compounds
Semax and Pinealon are both available from Spartan Peptides at ≥98% HPLC-verified purity. Domestic US supply, same-day dispatch before 2 PM. All products for in-vitro research use only.
All compounds are strictly for in-vitro research use only and not intended for human consumption.