Peptides Studied in Neuropeptide and Cognitive Research
Neuropeptides are signaling molecules in the brain and nervous system being investigated for their roles in cognitive function, mood regulation, and neurological processes. This overview examines several neuropeptides under research scrutiny.
Neuropeptides in Research
The central nervous system relies on complex neuropeptide systems to regulate cognition, emotion, sleep, and stress response. Researchers study specific neuropeptides to understand these pathways and explore potential applications in neurological research models.
Semax
Semax (10mg) is an ACTH(4-10) analogue studied for:
- Brain-derived neurotrophic factor (BDNF) upregulation in research models
- Neuroprotection mechanisms
- Cognitive enhancement in preclinical studies
- Stress resilience and mood research
Learn more in our Semax research guide.
Selank
Selank (10mg) is a tuftsin analogue investigated for:
- Anxiolytic properties in animal models
- Cognitive function and memory research
- Mood and stress response modulation
- Immune-brain axis interactions
See our Selank research guide.
VIP
VIP (10mg), vasoactive intestinal peptide, is studied for:
- Neuroprotection and anti-inflammatory mechanisms
- Neuroinflammation and microglia modulation
- Vascular and metabolic effects in brain tissue
- Neurodegenerative disease research models
Read our VIP research guide.
DSIP
DSIP (5mg), delta sleep-inducing peptide, is investigated for:
- Sleep regulation and sleep quality in research models
- Circadian rhythm modulation
- Stress and recovery physiology
- Neuroendocrine function
Explore our DSIP research guide.
Research Considerations
Neuropeptides represent emerging tools in cognitive and neurological research. Most human evidence remains preliminary, and these compounds are not approved as treatments for cognitive or neurological conditions. Researchers should work within institutional review frameworks and follow proper protocols for research compound use.
Visit our cognitive research focus page, research hub, or shop.
For research purposes only. Not intended for human use. This content is educational and does not constitute medical advice.
Key Neuropeptides in Research
Neuropeptides are a class of signalling molecules produced by neurons and neuroendocrine cells. Unlike traditional neurotransmitters, neuropeptides typically operate over longer timescales, modulating broad circuits rather than single synapses. The research peptides below have established profiles in neuropeptide biology.
VIP (Vasoactive Intestinal Peptide)
28-amino-acid neuropeptide with broad expression in CNS and peripheral nervous system. Studied in neuroinflammation models, circadian rhythm entrainment via SCN interactions, immunoneuromodulation, and autonomic pathway research.
VIP 10mg →DSIP (Delta Sleep-Inducing Peptide)
Nonapeptide neuropeptide studied in sleep architecture, HPA axis modulation, circadian biology, and stress resilience models. Named for its observation-induced delta wave promotion in early rabbit studies — though its mechanisms are still under investigation.
DSIP 5mg →Semax
Synthetic ACTH(4–7) analoguё with an additional Pro-Gly-Pro sequence. Studied for BDNF upregulation, neuroprotection in stroke models, and cognitive-related endpoints in rodent behavioural assays. Strong Russian literature base.
Semax 10mg →Selank
Synthetic tuftsin analogue studied in anxiolytic research, GABAergic pathway modulation, and memory-related behavioural models. Has some clinical literature from Russian pharmacological programmes examining stress and anxiety endpoints.
Selank 10mg →Neuropeptide Research Methodologies
Neuropeptide research commonly uses in vitro PC12 cell models (rat pheochromocytoma, a standard neuronal differentiation model), primary hippocampal or cortical neuron cultures, and rodent behavioural assays (Morris water maze, elevated plus-maze, novel object recognition) to characterise cognitive and anxiolytic endpoints. Receptor binding assays using radiolabelled ligands identify receptor affinity and selectivity. Neuroprotection studies typically use oxygen-glucose deprivation (OGD) cell models or MCAO (middle cerebral artery occlusion) rodent stroke models.
See also: Cognitive Research Peptides Reference Guide → | All Cognitive Research Peptides →
All compounds referenced are supplied for qualified in vitro laboratory research only. Not for human administration.